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1. i The Ethernet interfaces of the terminal devices must also support the Flow Control A3118 X300 M100 2 7618 Technical Description 2 6 3 3 2 6 3 4 2 6 4 Information ULAF V4 2 Channel Bundling In this function the Ethernet packets are packed in HDLC and divided over the available number of transfer channels Inverse Multiplexing The following features are realized with the help of the proprietary patented multi channel synchronization algorithm MCS e Efficient inverse multiplexing with less than 4 overhead with 4 x 2 Mbit s e Bundling of 1 4 TDM channels e Resilience With the failure of one or more channels the transfer continues to be made via the functioning channels If the downed channel is available again the data rate is in creased again accordingly Resilience functions independently in the transmission and reception directions e Resilience functions independently in the transmission and reception directions e Different latency times of the transfer channels of up to 125 ms can be compensated e The additional latency time caused by the MCS function is minimal 100 us e Wire pair and path exchange is corrected automatically e End to End monitoring and alarming using MCS alarms and error counters via the network G 703 interfaces The GTU4 has four G 703 interfaces that can be operated with 120 Q or 75 Q The in terfaces can be configured for transparent operation or partially filled G 7
2. The BSTU can be expanded with additional data interface modules An overview of the equipment fitting variants will be found in Tab 2 2 Further details of the interface mod ules will be found in chapter 2 9 A3118 X300 M100 2 7618 2 9 Technical Description 2 3 4 2 3 5 2 3 5 1 LED Loopback COT RT switches Slot for Data interface modules 10 100BT G 703A G 703B SHDSL 2 10 Information ULAF V4 2 Service functions Loopback circuits and CRC checksums can be used for fault localization Loopback curcuits are activated either by software command via the LCT for example or by means of switches See chapter 1 14 1 for further information about loopback circuits Using the BSTU as a plug in unit Mechanical construction The plug in unit is produced to double eurocard format The BSTU is equipped with a front panel for insertion into the subrack The BSTU plug in unit can be supplied with var ious equipment variants see Tab 2 2 AS Interface backplane circuit board Fig 2 8 BSTU plug in unit A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 3 5 2 Display and operating elements Status display As a plug in unit the BSTU has 3 separate LEDs on its front panel Integrated into each of the connectors for the Ethernet G 703 and SHDSL interfaces are 2 LEDs P1 18001 0L 12345678 LOS v 029 12345678 AIS LOS 12345678 g 029 AIS 123
3. The GTU4 is delivered configured by default as master In BSTU4 QSTU connections you must always use the QSTU on the LT side You can i find more information about the FW ID in Tab 2 5 2 40 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 6 2 5 Application examples for the GTU4 You will find three application examples for the GTU4 in the following stu H T F H 10Base Ti 10Base T 100Base TX 1 4x SHDSL 1 4x E1 100Base TX M Network Fig 2 44 Application GTU4 BSTUA GTU4 Router UT A i Ai Wi Router 10Base T 10Base T 100Base TX 100Base TX M Network Fig 2 45 Application GTU4 GTUA A3118 X300 M100 2 7618 2 41 Technical Description 2 6 3 2 6 3 1 Information ULAF V4 2 GTU4 function The GTU4 is equipped with four Ethernet 10 100Base Tx and four G 703 interfaces Fig 2 46 shows you the GTU4 s functional circuit diagram The individual blocks 1 4 are described in the following chapters Fig 2 46 Functional circuit diagram of the GTU4 Q Ethernet interfaces see chapter 2 6 3 1 o9 Layer 2 Switch see chapter 2 6 3 2 Channel Bundling see chapter 2 6 3 3 O G 703 interfaces siehe Kapitel 2 6 3 4 Ethernet interfaces The Ethernet interfaces of the GTU4 have the following features 10 100 Base Tx in accordance with IEEE 802 3u Full Duplex Half Duplex With Half Duplex as opposed to Full Duplex simultaneous sending and receiving is not
4. 180 Vpc e Redundancy feeding please find more information in the ULAF Installation Manual 1 QSTU termination unit Overview The QSTU is an SHDSL transmission module with four SHDSL interfaces and depend ing on the operating mode up to four G 703 subscriber interfaces which are indepen dent of each other As a result up to 64 systems can be operated in one ULAF subrack In the configuration 2 wire pair SHDSL the same module can be used for long sub scriber lines In the 4 wire pair SHDSL mode the maximum range can even be doubled by comparison with the 1 wire pair SHDSL mode Consequently it is possible to forego the use of regenerators for many applications The QSTU hardware can be operated with four different types of firmware FW IDs In combination with other ULAF SHDSL modules the QSTU must always be used on the LT side Tab 2 5 shows an overview of the application possibilities of the QSTU and the re quired FW ID Application possibilities Siemens Part No Max Reg steps QSTU with STU STU2 3118 K333 333 SRU 2 31 18 Q333 QSTU with STU4 GTU4 S3118 K333 1 349 SRU 2 S3118 Q333 1 QSTU with BSTU QSTU S3118 J633 633 BSRU 4 S3118 H633 QSTU with BSTUA GTUA S3118 J633 649 BSRU S3118 J633 1 1 Fw stored in the passive Bank Tab 2 5 Modes of operation of the QSTU The QSTU is available as a plug in module with or without RPS or as a desktop unit The desktop unit can in additi
5. Signal level frame synchronization loss at T LOS Res Ream eonan a Local maintenance function activated Tab 2 20 Visual indications on the plug in unit Power supply When the GTU is used as a plug in unit power is supplied via the backplane circuit board of the subrack The plug in unit is equipped with a DC DC converter and the input voltage is 48 Vpc 60 Voc Using the GTU in the desktop unit When the GTU is used in the desktop unit it is installed in a plastic casing The casing can also be wall mounted The overall dimensions are 175 mm x 47 mm x 272 mm The desktop unit features the same functionality as the plug in unit and can be extended using the same submodules A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 8 5 1 Mechanical construction The indicators and operating elements and the V 24 connection for the local LCT are located on the front panel Fig 2 64 Front panel of the desktop unit The subscriber interface the transmission interface the clock and alarm interface and the power supply connection are located on the rear panel 00000000 pia 9 00000 O 000000000 O Fig 2 65 Rear panel of the desktop unit 2 8 5 2 Indicators and operating elements Nine LEDs are located on the front panel The meaning of these LEDs is explained in Tab 2 21 a aa LOA Rx No fixed position at O or 1 Fixed position at O or 1 no data present LOA Tx TX Yellow
6. e Monitoring of quality data e Execution of long term measurements of quality data 3 4 A3118 X300 M100 2 7618 Information ULAF V4 2 4 Technical Data 4 14 Subracks S3105 B128 C211 Operating voltage nominal Input voltage Clock input Impedance Mechanical design Dimensions W x H x D Environmental conditions Storage Transport In Operation Ambient temperature DC voltage EMC A3118 X300 M100 2 7618 Technical Description 48 Vpc 60 Voc 36 Voc to 72 Voc 2048 kHz ITU T G 703 750 1200 482 x 314 x 242 mm Suitable for installation in a 19 or ETSI rack ETS 300 019 1 1 Class 1 2 ETS 300 019 1 2 Class 2 3 ETS 300 019 1 3 Class 3 1 3 2 5 55 degrees Celsius 5 to 95 relative air humidity ETS 300 132 2 ETS 300 386 1 Technical Description 4 2 Information ULAF V4 2 OMI SNMP Operating and Maintenance Module Input voltage Max power consumption Alarm outputs Contact loading RS232 LCT access 10Base T AccessIntegrator access OMI bus Dimensions Plug in unit Operating temperature 48 Voc 60 Voc 3W 3 60 Voc or 42 4 Vac 0 2A isolated from ground RJ45 connector 9600 baud 8 data bits 1 start bit 1 stop bit RJ45 connector V 11 level bidirectional 38 4 kbit s Double eurocard format 5 455 C 5 to 95 relative air humidity A3118 X300 M100 2 7618 Information ULAF V4 2 4 3 BSTU termination unit Input voltage Plug in unit D
7. Fig 2 69 Example of configuration remote power supply of the BSRU antthe NT 2 68 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 e Combination of remote power supply and local power supply of the BSRUs Feeding from COT ON ON OFF OFF OFF OFF Feeding from RT OFF OFF OFF OFF ON ON Power Through ON OFF OFF OFF OFF ON Power X2 no function no function no function ON no function no function LT NT BSTU with RPS BSTU with RPS 40 120 Voc via local power connector 40 120 Vpc via l Remote feeding from COT side Remote feeding from RT side Fig 2 70 Example of configuration Combination of remote power supply and lo cal power supply of the BSRUs 2 10 5 Monitoring and signalling The functioning of the SHDSL regenerator is monitored from the exchange side trans mission module Alarms are displayed on the LCT AccessIntegrator Loopbacks and CRC6 check sums can be used for error location Loopbacks are activated on the regenerator by the LCT or AccessIntegrator A3118 X300 M100 2 7618 2 69 Technical Description Information ULAF V4 2 2 70 A3118 X300 M100 2 7618 Information ULAF V4 2 Technical Description Operation and monitoring The ULAF is operated and monitored via the LCT or the NMS interface on the OMI SNMP Operating and Maintenance module The Linelntegrator network management system is used for centralized operation and maintenance of the ULAF
8. Full Du plex Auto negotiation Auto Cross over Self learning 1024 MAC adress es G 703 192 kbit s to 2048 kbit s each wire pairs Double eurocard format 272 X 47 5 x 175 mm 5 455 C at 5 95 rel humidity A3118 X300 M100 2 7618 Information ULAF V4 2 4 7 BOTU QOTU termination unit Input voltage Plug in unit Desktop unit Power consumption Ethernet switch Transmission technology Payload Bitrate Dimensions Plug in unit Desktop unit W x H x D Temperature in operation A3118 X300 M100 2 7618 Technical Description 48 Vpc 60 Voc 48 Vpc 60 Voc 95 Vpc 260 Vac lt 6W 4x 10 100Base Tx Half Full Du plex Auto negotiation Auto Cross Over Optical transmission Slot for SFP modules 155 Mbit s 100 Mbit s Ethernet 4x 2 Mbit s G 703 or 4698 kbit s 2 Mbit s G 703 Double eurocard format 272 x 47 5 x 175 mm 5 55 C at 5 95 rel humidity Technical Description 4 8 GTU4 termination unit Input voltage Plug in unit Desktop unit remote power Power consumption max Ethernet switch Transmission technology Payload Bitrate Dimensions Plug in unit Desktop unit B x H x T Temperature in operation Information ULAF V4 2 48 Voc 60 Vpc 48 Voc 60 Voc 110 Vac 230 Vac max 120 Voc lt 6W 4x 10 100Base Tx Half Full Du plex Auto negotiation Auto Cross over Self learning 1024 MAC adress es G 70
9. No fixed No fixed position at O or 1 at O or 1 Fixed Fixed position at O or 1 no data present at O or 1 no data present LN T Eli alarm Lights Loss of ici E NNNM at the T interface Flashes Loss of Frame Alignment at the T interface LENT rte tas i Pamo se te Ven Flashes Loss of Frame Alignment at the V interface Tab 2 21 Visual indications on the desktop unit A3118 X300 M100 2 7618 2 63 Technical Description 2 8 5 3 2 9 Information ULAF V4 2 The electrical 2 Mbit s signal to the V interfaces is routed via an RJ45 connector The interface impedance can be adjusted by means of a jumper The operating modes of the GTU are set with the aid of DIP switches or LCT The oper ating mode setting is indicated by a green LED For further information about the operating elements refer to the ULAF Installation Manual 1 The reason why any of the alarm signalling diodes red and yellow LEDs illuminates may not always be primarily due to a fault Under certain circumstances it can also be a follow on response Bit error evaluation and LFA are only indicated in NT1 mode An AIS is only displayed if suppression has not been set Power supply The following alternative types of power supply are available for the desktop unit e Local power supply with 230 Vac via a permanently connected mains cable e Local power supply with 48 Vpc 60 Vpc via a permanently connected battery cable A default volta
10. P1 the Ethernet P2 P3 interfaces 12345678 12345678 12345678 12345678 ellow reen y Fig 2 35 Visual signalling of the Ethernet interfaces LED Mode 10 100Base Tx off Half Duplex on Full Duplex blinking Collision with Half Duplex off No connection no traffic on Link Up blinking Traffic Tab 2 11 Visual signalling of the Ethernet interfaces A3118 X300 M100 2 7618 2 35 Technical Description External operating el ements 2 5 5 3 2 5 5 4 Information ULAF V4 2 Using front mounted DIP Switches you can e set the BSTU4 s operating mode and Tab 2 12 and e insert the loopback fol Lc D MCS loopback inserted 1 Default setting desktop unit 2 Default setting plug in unit Tab 2 12 Front side DIP switches of the BSTU4 Power supply Power is supplied to the BSTU4 via the backplane circuit board of the subrack The plug in unit is equipped with a DC DC converter and the input voltage is 48 Vpc 60 Vpc BSTU4 remote power supply With the integrated remote power feeding circuit of the BSTU4 plug in unit you can re mote feeding desktop units The supply voltage is 120 V the adjustable current is either 50 mA or 60 mA each wire pair Monitoring A monitoring circuit controls the voltage and the current control The settings are done the ULAF LCT For details of the settings refer to the ULAF User Manual 2 The BSTUA detects the following states with the remote feed
11. are eliminated With this operating mode the SHDSL payload bitrate of the system is automatically calculated by reference to the subscriber interface configurations so that the link is activated with the required SHDSL payload bitrate As an alternative to this it is also possible for the user to prescribe the SHDSL payload bitrate by configuration 2 3 2 Operating modes of the BSTU When the BSTU is used in 1 wire pair operation system configuration is not required BSTUs with 2 SHDSL interfaces can be used as e 1 system modules with SHDSL transmission over 2 wire pairs so as to increase the range oras e 2 system modules with 1 wire pair per system The systems can be activated or deactivated via the LCT or Acl see ULAF User Man ual 2 G 703A Ethernet Data Ethernet Data Fig 2 4 BSTU LT BSTU NT 1x 1 wire pair mode Ethernet Ethernet im 7 Fig 2 5 BSTU LT BSTU NT 2x 1 wire pair mode A3118 X300 M100 2 7618 2 7 Technical Description Ethernet Data 2 3 3 2 3 3 1 2 3 3 2 Ethernet Information ULAF V4 2 G 703A Ethernet Data Fig 2 6 BSTU LT BSTU NT 1x 2 wire pair mode For BSTUs in the 2x 1 wire pair mode the standard assignment is e the data interface to System A and e the Ethernet interface to System B Using the LCT see ULAF User Manual 2 the Ethernet interface can be assigned to System A In this case System A can no lo
12. qta e Priority NT Fig 1 24 Clock concept of the BOTU and QOTU Synchronous Transmission Clock transmission of the BOTU QOTU The BOTU QOTU is suitable for transferring a high quality clock signal e g for synchro nizing UMTS base stations The device fulfills the requirements for PDH synchronization interfaces as per G 823 11 chapter 6 2 4 The clock is always transferred from LT to NT and is available on the clock output of a desktop unit or on the G 703 interface If the external clock or the top prioritized clock of a V interface is present on the LT side the clock signal is output on the NT side Otherwise the clock signal is suppressed squelched Structuring of the payload signal Framings of the BSTU QSTU FW ID 633 In this mode of operation the signal injected at the G 703 interface is transmitted via an SHDSL interface The bitrate for the G 703 signal is 2048 kbit s The data at the sub scriber interface is transmitted transparently i e the data stream is not checked for the presence of a frame signal As an option AIS Detection can be enabled 6 703 gt LT NT G 703 SHDSL 1 22 Fig 1 25 Transparent 2 Mbit s G 703 A3118 X300 M100 2 7618 Information ULAF V4 2 Structured 2 Mbit s G 704 ISDN PRA Mapped Mode Technical Description G 703 LT 0 31 SHDSL 0 31 G 703 NT 0 31 L G 703 Subscriber Bitrate Fig 1 26 SHDSL Mapping Transparent 2 Mbit s G 703 Subscribe
13. 2 1 7 3 Information ULAF V4 2 Optical line equipment BOTU QOTU The data is transferred optically full duplex with a nominal bit rate of 155 Mbit s De pending on the SFP module used in the device transfer is either over one optical fiber with two different optical frequencies or over two optical fibers In addition the maximum transfer range and the connection technology are also defined by the SPF module used The transfer can be protected against failure by using a second optical transfer path and 1 1 line protection SFP Modules The optical transfer device has two four SFP slots whereby 155 Mbit s SFP modules must be used These are available in different variants from several manufacturers and differ in the following points e Range 15 125 km e Output power and receive sensitivity e Wavelengths 1310 nm or 1550 nm e Transmission over one optical fiber with two optical wavelengths or over two optical fibers e Monomode or multimode fiber e Different optical connections Frame structure The user data is transferred in a frame structure The frame is scrambled for the transfer and protected via a CRC32 checksum The frame transfer takes 125 microseconds The following information is transferred in a frame e Synchronization information e 100 Mbit s for Ethernet transmission e 4x 2Mbit s for E1 transmission e 4 6 Mbit s for data modules X 21 V 35 V 36 ABAR e EOC for management information e Ch
14. 2 7 2 Modes of operation of BOTU QOTU In BOTU BOTU connections the following modes of operation are possible G 703A G 703B G 703C G 703D Ethernet BOTU 4x G 703 Ethernet LT BOTU 4x G 703 Ethernet NT BOTU 4x G 703 Ethernet LT BOTU 1x G 703 data module slot NT BOTU 1x G 703 data module slot LT BOTU 1x G 703 data module slot NT LT NT UG 703A O G 703B B OTU m BOTU i 703C A o AEE G 703D optional Protection Line Ethernet Fig 2 52 Mode of operation BOTU Ax G 703 Ethernet LT BOTU 4x G 703 Ethernet NT optional Protection Line Fig 2 53 Mode of operation BOTU 4x G 703 Ethernet LT BOTU 1x G 703 data module slot NT A3118 X300 M100 2 7618 Information ULAF V4 2 Technical Description optional Protection Line G 703A G 703B G 703C G 703D 2 7 3 2 7 3 1 2 7 3 2 A3118 X300 M100 2 7618 Fig 2 54 Mode of operation BOTU 1x G 703 data module slot LT BOTU 1x G 703 data module slot NT In QOTU BOTU connections the following modes of operation are possible QOTU 4x G 703 LT BOTU 1x G 703 Datenmodul Slot NT LT amp NT BOTU G 703 Daten e a BOTU G 703 Daten QOTU n BOTU G 703 Daten y sil BOTU G 703 Daten Fig 2 55 Mode of operation QOTU LT 4x BOTU 1x G 703 data module slot NT In QOTU BOTU connections you must always use the QSTU on the LT side BOTU QOTU function Opt
15. Disabled SHDSL Payload Bitrate 1344 kbit s 704 kbit s 11TS 512 kbit s 8TS 64 kbit s STS 64 kbit s 1TS Subscriber Bitrate at G 703 1216 kbit s G 703 STS Position Unchanged Transmit TSO Disabled SHDSL Payload Bitrate 1216 kbit s 1216 kbit s 19TS Supported Framings of the application QSTU with BSTU4 GTU4 In conjunction with an BSTU4 or GTU4 the QSTU supports Transparent Transmission Structured Transmission and Structured Transmission Fractional E1 GTEISDEISEISISIBISISIBISISIS MCS Payload 1 28 Fig 1 38 Transparent transmission A3118 X300 M100 2 7618 Information ULAF V4 2 Technical Description Olt a se he 6 e ow ne a oe e oe a 90 MCS Payload Fig 1 39 Structured mode with or without CRC4 De e fe e te ae 6 a a MOS Payload tae e te ite te iare 1 13 3 Transparent 2 Mbit s G 703 Structured mode 2 Mbit s G 704 ISDN PRA Mapped Mode Data nx64 kbit s Fig 1 40 Structured mode Fractional E1 for example Framings of the BOTU QOTU In this operating mode the signal fed in at the G 703 interface is transferred in the optical frame The bit rate of the G 703 signal is 2048 Kbits s The data on the subscriber inter face is transferred transparently i e the data stream is not checked for the presence of a frame signal AIS detection can be enabled optionally In t
16. EE 5 Tab 2 9 Example for VLAN support of BSTU4 Q in Q IEEE 802 1ad Q in Q is known by various names such as Double VLAN tagging Double Tagging 802 1ad and Provider Bridge but the functionality is always the same The IEEE 802 1ad provider bridge mode allows service providers to use a layer 2 tunnel Customers are able to route freely definable Ethernet traffic through this tunnel e g na tive frames VLAN etc The advantage of this standard is that the configuration of the network components need not be changed even if the network topology is modified The reason is that in contrast to the P VLAN frame format the 802 1Q frame format has re mained unchanged and backward compatibility to existing 802 1Q networks is therefore guaranteed A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 With Double Tagging a distinction is made between Customer Ports and Provider Ports Specific Ethertype values can be defined for Provider Ports The values serve to differentiate between Provider Tagged Frames and normal Tagged Frames Provider Ports send Double Tagged Frames if Single Tagged Frames arrive at the Customer Port However if untagged frames arrive at the Customer Port the Provid er Port sends single tagged frames but uses the configurable Ethertype An example of an 802 1ad frame format with Tagged Frames and an example of a
17. G 703 interface e Remove STS If the remove STS option is enabled the signaling timeslot is not transferred This is meaningful if the systems connected to LT and NT occupy for example TS1 to T815 and TS17 to TS31 but no signaling signal is present in TS16 In this operating mode a V 35 V 36 or X 21 data interface or an Ethernet interface ABAR is enabled on the LT NT side The maximum bit rate is 4608 Kbits s A3118 X300 M100 2 7618 1 29 Technical Description G 703 LT Data NT 1 30 Ethernet Ethernet 1 14 1 Information ULAF V4 2 In this operating mode the G 703 interface is active on the LT side and the data inter face is active on the NT side The data stream is mapped on the NT in a G 704 frame In this operating mode Ethernet frames fed into the Ethernet interfaces are transferred as part of the optical frame The data transfer rate is 100 Mbit s The built in switch al lows the Ethernet frames to be prioritized and their bandwidth to be limited In addition VLAN tags may be added to the frame or removed from it Loopback concept The path can be checked for possible transmission errors by inserting loopbacks Once the loopbacks have been activated the data should be returned without error Loopback can be generated either by means of the software LCT or TMN or by means of the DIP switches on the modules The different loopbacks are shown in Fig 1 41 to Fig 1 57 Loop 2b can b
18. GTU4 Further information on the GTU4 can be found in chapter 2 6 LT CS G 703B G 703B 10Base T 100Base Tx G 703D d G 703D I Bild 2 20 QSTU LT GTU4 CS 1 2 3 4 Adernpaarbetrieb Interfaces The basic unit of the QSTU is assembled with four G 703 T V interfaces The desktop model can additionally equipped with a clock and alarm interface see chapter 2 9 Service functions Loopback circuits and CRC checksums can be used for fault localization Loopback curcuits are activated either by software command via the LCT for example or by means of switches With ISDN PRA the command to activate the loopback circuit can be transmitted via Sa6 bits in the service word of the 2 Mbit s frame by the ISDN exchange See Chapter 1 14 2 for further information about loopback circuits A3118 X300 M100 2 7618 Information ULAF V4 2 2 4 4 2 4 4 1 front of the basic unit rear of desktop unit LED card module Loopback switch card module SHDSL interface Technical Description Using the plug in unit QSTU Mechanical construction The plug in unit is produced to double eurocard format The QSTU is equipped with a front panel for insertion into the subrack The front of the plug in unit incorporates e the display and operating elements e the subscriber interfaces and e the transmission interface rear of the basic unit front of desktop unit Interface backplane circuit
19. ISDN ITU LAG LAN LCT LED LFA LFP LOA LOSW Advanced Bridge and Router Module Alarm Indication Signal Bit Error Rate Bit Error Rate Tester Optical Termination Unit BOTU Broadband Remote Access Server Base Station Center SHDSL Regenerator Unit BSRU Network Termination Unit BSTU NetworkTermination Unit BSTU4 Base Transceiver Station Configuration Master Class of Service Central Office Terminal Cyclic Redundancy Check Configuration Slave Data Carrier Equipment Data Communication Network Digital Subscriber Line Access Multiplexer Data Terminal Equipment Errored Seconds European Telecommunications Standards Institute Far End Cross Talk Firmware Global System for Mobile Communications G 703 Termination Unit Ethernet over TDM Inverse Multiplexer GTU4 Internet Protocol Integrated Service Digital Network International Telecommunication Union Link Aggregation Local Area Network Local Craft Terminal Light Emitting Diode Loss of Frame Alignment Link Failure Propagation Loss of Activity Loss of Synchronisation Word A3118 X300 M100 2 7618 Technical Description AP 3 Technical Description LT MAC MCS MIR MPLS MSC NEXT NMS NT OC OMI PBO PBRS POTS PQ PRA PSD PWLAN QSTU RPS RT SDH SHDSL SNMP STS TC PAM TDM TMN TS UC ULAF UNBAL VDSL VLAN WAN WFQ AP 4 Line Termination Media Access Control Multi Channel Synchronisation Maximum Information Rate Multi Prot
20. L2 Switch Test Mode packets that the Ethernet test device has generated can consequently be split lot transferred by the switch on the BSTUA LT to the test device again Before inserting the loopback or the L2 Switch Test Mode you should separate the LAN from the BSTUA as otherwise the data traffic on the LAN is disturbed Loopbacks of the GTU4 The available loopbacks for the GTU4 depend on whether you use the unit together with a QSTU as LT or with another GTUA Loopbacks on a QSTU GTUA link The 2b loopback on a QSTU and GTU4 can be inserted individually for each channel The quality of an individual line can consequently be checked with a telecom BERT Bit Error Rate Tester on the G 703 interface 1 35 Technical Description Information ULAF V4 2 QSTU LT GTU4 CS Fw Id 649 U1 3a1 2b1 U2 P1 P2 P3 U3 P4 U4 Fig 1 50 Loopbacks on a QSTU GTUA link The 2b loopback on a GTUA is only activated when there is no valid MCS signal on the i corresponding interface alarm LOM must be activated This attribute ensures that a GTU CS is visible again in the management as soon as the test is over Loopbacks on a GTU4 GTUA link The MCS loopbacks on the GTU4 can be inserted together for all activated channels The test with an external Ethernet test device can be made after the L2 Switch Test Mode has been activated with the GTUA that the external test device is connected to see ULAF User
21. Packets of up to 1518 bytes are supported by default or 1522 bytes incl VLAN Oversized Frames Option For Ethernet frames that do not comply with standards you can optionally increase the maximum packet size to 1916 bytes This setting is the same for all ports Packet counters for all Ethernet interfaces are available for error limitation Adaptive Flow Control With Adaptive Flow Control the packet loss with overload can be prevented over load happens when the Ethernet data rate exceeds the WAN data rate With acti vation the Flow Control between the switch and the Ethernet to WAN Bridge is activated Flow Control Flow Control depends on the bandwidth limitation on the individual Ethernet interfaces see Bandwidth Limiting in chapter 2 6 3 1 and the outflow speed of the data on the WAN interface see Adaptive Flow Control in chapter 2 6 3 2 In the case of operation without Adaptive Flow Control the Flow Control mecha nism is only controlled by the Bandwidth Limiting function individual for each inter face In the case of operation with Adaptive Flow Control the Flow Control mechanisms of all Ethernet interfaces are controlled together depending on the WAN data rate The input data rate per Ethernet interface can also be limited in this configuration The Flow Control of each individual port is then controlled by both criteria Adaptive Flow Control also ensures an optimum delay function
22. Service Voice Service Metro Network SDH Carrier Grade Ethernet WW Eu T IP or MPLS d dre allie PI JH bn iaia JH pii Ura Jii h ite a iss WE M ae Branch Office o Optical Fiber Copper Wire Pair MEL EN Ca Dai Municipality o 2 Copper Wire Pairs Office Bullding 4 Copper Pair Bonding up to 16 Wire Pairs with Link Aggregation Fig 1 1 Application scenarios for business class access services A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 1 3 2 Backhauling ULAF is also suitable for mobile backhauling applications BSC MSC Metro Network SDH Carrier Grade Ethernet UM iS Nodeg IP Or MPLS Ese epa TT be eS SA Ha t i BRAS gt gt Mm DE PWLAN or WiMAX Application SS Optical Fiber Server Copper Wire Pair IN 2 Copper Wire Pairs Mini DSLAM 4 Copper Pair Bonding A up to 16 Wire Pairs with Link Aggregation Fig 1 2 Application scenarios for mobile backhauling 1 3 3 Campus Application ULAF can be used to connect two sites BSTUA BSTUA i umzu BSTU BSTU BOTU BOTU 9 Optical Fibre Copper Wire Pair 4 Copper Pair Bonding Fig 1 3 Campus Application A3118 X300 M100 2 7618 1 3 Technical Description 1 4 1 5 Information ULAF V4 2 System components of ULAF In detail the system consists of the following components e the subrack e the Operating
23. V4 2 2 4 5 2 4 5 1 2 4 5 2 2 4 5 3 2 5 2 5 1 2 5 2 2 5 2 1 2 5 3 2 5 3 1 2 5 3 2 2 9 3 3 2 5 3 4 2 5 4 2 5 5 2 5 5 1 2 5 5 2 2 5 5 3 2 5 5 4 2 5 6 2 5 6 1 2 5 6 2 2 5 6 3 2 5 6 4 2 6 2 6 1 2 6 2 2 6 2 1 2 6 2 2 2 6 2 3 2 6 2 4 2 6 2 5 2 6 3 2 6 3 1 2 6 3 2 2 6 3 3 2 6 3 4 2 6 4 2 6 5 2 6 5 1 2 6 5 2 2 6 5 3 2 6 6 2 6 6 1 2 6 6 2 2 6 6 3 A3118 X300 M100 2 7618 Technical Description Using the QSTU desktop unit llle 2 22 Mechanical CONSTUCUON v oeer de eh ene pos D he dr ds 2 22 Display and operating elements 0000 eee eee eee 2 23 FOWOFSUDDIV acacia tai e n o donde doce naan 2 24 BSTUA termination unit 0 0 0 0 ee 2 24 eal dr 2 24 Modes of operation of BSTU4 nananana ee 2 25 Application examples for the BSTU4 0 00 000 2 26 Bo U4 TUDOHO so dietam ca Sees SiGe BERGA news VERRE E 2 27 Ethernet interfaces 0 cc eee eee 2 27 Layer 2 OWICN ansia a ies m quod ird oe an doa du es Pee 2 28 Channel Bundling 2 40h 0 eb ts he eee tant eee aeees 2 32 SHDSL interfaces venias SOEUR EAR ee hehe wae ears 2 32 Service 1UNCUONS ceden 22 02 Hedge aaa id 2 33 BoOTUA pIUJgsIl UNM o uos aru posee C RR Dek LM ed ace le Bd od oa 2 33 Mechanical construction a na aa aaa aaaea 2 33 Display and operating elements 0 00 eee eee eee 2 34 FOWCESUDDIV 2d pd apt add eo eee a e da iva 2 36 BSTU4 remote power supply 0 000 cee
24. also in a desktop unit The information is transmitted by means of two twin copper wires in accordance with ITU T G 703 Due the modular con cept of the ULAF allows the GTU to be adapted to the individual user requirements by means of submodules The GTU can also be remotely managed in a special mode Front of the basic unit Rear of the basic unit Rear of the desktop unit Front of the desktop unit LED plug in unit lt Power supply 10000 Interface ee Backplane circuit board Loopback switches plug in unit plug in unit nx64 kbit s data interface or Ethernet 10 100Base Tx Loopback switches Desktop ES Clock and alarm module CET i MITO LED Desktop 1 4 Desktop 2 Mbit s interface G 703 T LCT Desktop G 703 V interface Fig 2 62 G 703 termination unit GTU 2 60 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 The following operating modes are supported by the GTU e NT1 function according to ITU T 1 431 12 or ETSI ETS 300 011 13 ETSI ETS 300 233 14 e Interface converter from nx64 kbit s interfaces V 36 V 35 and X 21 or Ethernet 10Base T to G 703 7 G 704 8 e Add Drop mixed mode nx64 kbit s Ethernet 2 Mbit s Chap 2 8 4 describes the use of the GTU as a plug in unit Chap 2 8 5 describes its use as a desktop unit 2 8 2 Interfaces The motherboard of the GTU is equipped with a G 703 V interface In addition the board can acce
25. automatic adjustment of the transmission and recep tion line of a port i e on the connected Ethernet cable crossed or not crossed and the configuration of the opposite terminal e Flow Control Pause frames are sent as per IEEE 802 3x in full duplex operation The backpressure method is used in half duplex operation e Bandwidth limiting The maximum ingress data rate of the Ethernet interface can be limited in steps of 32 Kbits s policing e Link status information is available for the Ethernet interface link up 10 100 BASE Tx full duplex half duplex e Link Failure Propagation Link failure propagation LFP disables the ports on the switch if the synchronization is lost on the U interface This allows devices connected to the BSTU such as a switch with spanning tree or link aggregation to react faster to a connection inter rupt A connection interrupt is indicated via LFP alarm for all connected Ethernet interfaces 2 3 3 4 LCT interface The desktop variant is fitted with an RJ45 connector on the front panel for connecting the LCT 2 3 3 5 Clock and alarm module interface The fully equipped variants of the desktop unit with and without RPS can be equipped in addition with a clock and alarm module An overview of the equipment fitting variants will be found in Tab 2 2 Further details of the clock and alarm module will be found in chapter 2 9 3 2 3 3 6 Slot for Data interface modules
26. e Remote feeding current too deep line interruption e Output voltage too deep short circuit Out of this signals the BSTUA generates the following alarms Dem me em UC1 2 3 4 Remote feeding current too deep line interruption wire pairs 1 2 3 4 OC 1 2 3 4 Output voltage too deep short circuit wire pairs 1 2 3 4 Tab 2 13 BSTU4 remote feed alarm signalling A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 5 6 BSTU4 desktop unit When the BSTU4 is used in the desktop unit it is installed in a plastic casing The casing can also be wall mounted The overall dimensions are 175 mm x 272 mm x 47 mm The desktop unit can be used in the exchange as well as on the subscriber s premises The possible operating modes are identical with those for the plug in unit see Chapter 2 5 2 2 5 6 1 Mechanical construction The indicators and operating elements and the RS232 connection for the local LCT are located on the front panel Fig 2 36 Front panel of the desktop unit The four Ethernet ports SHDSL interface clock input output and power connector are arranged at the rear The clock interface is defined as clock input on the LT and as clock output on the NT The desktop unit with integrated remote power supply comes without a power cable LII 10 100baseT CLOCK SHDSL U Fig 2 37 Rear panel of the desktop unit without remote power supply At the rear of the desktop device with remote p
27. ee eee 2 36 BSTU4 desktop unit sgean ee ee eee 2 37 Mechanical coristEUcllON doo y deua x d uU 0435568254 2 37 Display and operating elements 0 00 eee eee eee 2 38 Power supply of the desktop unit without remote power supply 2 38 Power supply of the desktop unit with remote power supply 2 38 Ethernet over TDM Inverse Multiplexer GTU4 2 39 OVEIWIC Wiest onc eea ny aur der qo pedro oc cons wate ut ael estu ii 2 39 Modes of operation of GTU4 anaana naa aaa 2 39 GTUA configured local Master 0 0 0 00 cee eee 2 39 GTUA remotely configured Master Slave o o ooooooo 2 40 GTU4 with QSTU locally configured Master 2 40 GTU4 with QSTU remotely configured Slave 2 40 Application examples for the GTU4 0 0 0 ccc eee 2 41 TTA UNCION du te Ses echt Sea aede Gates i See Dataset tw Ete ato d 2 42 Ethernet interfaces 0 eee eee 2 42 AV GR 2 SWOR s deb oot Drs d cid ee ae yd d nal Dated ei Dia a epee 2 43 Channel Bunding se mresa nanka ee eee kes ad Ee SRS REE 2 44 G 7OSiIMEN ACES 25 xx em e Ego REESE e 2 44 SENICE TUNGUONS ceda rr air 2 44 GTU4 PIAR UNIE ars a dia EROR o e ide 2 45 Mechanical construction aaa aaaea eee eee 2 45 Display and operating elements 0000 cece eee eee 2 46 FOWCPGUDDIV ucc tasa ewe dest oer ao d pui dud 2 47 GTU4 desktop Units sts eee a De acto pee eC Sod
28. emitted on two floating alarm contacts on the clock and alarm interface module Access is via a 9 pin Mini Sub D connector The clock in put clock output is operated at 75 Q The settings for the direction of the clock signal is adjusted by means of jumpers see the ULAF Installation Manual 1 Fig 2 66 Clock and alarm interface The module for the clock and alarm interface can only be used in desktop units SHDSL regenerator BSRU Overview The 2 wire pair regenerator BSRU can be used to bridge long distances that exceed the range of the SHDSL The regenerator can be used in 1 wire pair operation or in 2 wire pair operation The following table shows the maximum usable regenerator stages when using the dif ferent modules Application possibilities FW ID Max Reg of the QSTU steps QSTU with BSTU4 GTU4 BSTU with BSTU 95 8 Tab 2 23 Maximum usable BSRUs A3118 X300 M100 2 7618 Information ULAF V4 2 2 10 2 2 10 3 2 10 4 Technical Description Mechanical construction The module is accommodated in a plastic housing The outside of the housing has guide grooves for plugging it into the regenerator box Application examples for the regenera tor can be found in chapter 2 3 2 A E C Jr Fig 2 67 SHDSL regenerator BSRU The mechanical features and pin usage of the BSRU are compatible with an HDB3 ZWR regenerator conforming to the Deutsche Telekom norm Interfaces The regenerator has fou
29. for the plug in unit The meaning of the LED is described in Tab 2 14 Power supply The following alternative types of power supply are available for the desktop unit e Local power supply with 110 Vac or 230 Vac permitted range 95 260 Vac e Local power supply with 48 Vpc or 60 Vpc permitted range 40 72 Vpc A3118 X300 M100 2 7618 Information ULAF V4 2 2 7 2 7 1 Technical Description Optical termination unit BOTU QOTU Overview The BOTU and QOTU termination units are universal modules for optical connections and allow provision of carrier grade services with high transfer bandwidths Several services can be transferred simultaneously depending on the population vari ant e 1 4x 2 Mbit s e 100 Mbit s Ethernet e Data interfaces nx64 kbit s up to 4608 kbit s e Clock Using standard SFP modules for the optical transfer provides maximum flexibility of range and the optical wavelengths used The BOTU can secure your services with 1 1 line protection against failures There are a large number of different subscriber interfaces available for selection G 703 and Ethernet interfaces are thereby available onboard A slot for ULAF data modules allows X 21 V 35 and V 36 data modules to be used The BOTU QOTU is available in the following population variants onboard Data module Y Pe i O ou I 0 c i eb pur LU Description interfaces H612 F 111 BOTU desktop 1 1 SFP s
30. jx aad e ed AC a e d he v a hs esi 2 9 LOT IMGT ACE 4 x ax a Cac a Coe OR me ga n doo E cac e cd 2 9 Clock and alarm module interface 0 0 0 cece ees 2 9 Slot for Data interface modules 0 0 00 cee 2 9 Service UNCION S IEA aa 2 10 Using the BSTU as a plug in unit llle 2 10 Mechanical construction a aaa aa aaaea 2 10 Display and operating elements n annann aaa 2 11 POWErSUDDI YV rs ya uu Rod a et e Dr R oe Saeed da SD dio ae 2 12 BSTU remote power supply 2 0 0 0 00 eee 2 12 Using the BSTU as desktop unit illl 2 13 Mechanical construction 0 000 cee eens 2 13 Display and operating elements 0 000 e eee eee 2 14 Power SUDDIV everest Suse Cote eee eas vob ES de te Sew as 2 14 QSTU termination unit 0 o o cee ee 2 14 ONES Wes ouai ase dc pte dettes tr ugs i di Aton aa aad sens ara diae cue Mate ates 2 14 OS TU With RW AD Og secus e rtu aan atero dator aa 2 15 OSTU with EW ID 649 5 eo xeu ue Snes Sekt ERES 2 17 Interla685 cada ca A ec dC UE Rd 2 18 Service TUNCIUIONS oai ra Rr ERR CCo od e ode detto DI Metro 2 18 Using the plug in unit QSTU 1 ns 2 19 Mechanical construction a aaan aaaea 2 19 Display and operating elements 000 eee 2 20 l OWGESUDDIV uL sei Sat soa eed eke aoe POPE dH ORE oa tes ERI RS dd 2 21 QSTU remote power supply o n a noona naona ea ee es 2 21 A3118 X300 M100 2 7618 Information ULAF
31. n es 2 48 Mechanical construction aaa 2 48 Display and operating elements 0000 cee eee 2 48 l OWGE SUDDIV mesia po a de oie DEREN UE pia are rit de dete ed cad dede 2 48 AD 7 Technical Description AD 8 2 7 2 1 2 2 2 7 3 2 7 3 1 2 1 3 2 2 7 3 3 2 7 3 4 2 7 3 5 2 7 3 6 2 7 3 7 2 7 4 24 9 2 7 9 1 2 7 5 2 2 7 5 3 2 7 6 2 7 6 1 2 7 6 2 2 7 6 3 2 8 2 8 1 2 8 2 2 8 3 2 8 4 2 8 4 1 2 8 4 2 2 8 4 3 2 8 5 2 8 5 1 2 8 5 2 2 8 5 3 2 9 2 9 1 2 9 2 2 9 3 2 10 2 10 1 2 10 2 2 10 3 2 10 4 2 10 5 3 1 3 2 Information ULAF V4 2 Optical termination unit BOTU QOTU 2 49 OVNIS Wir iid ok hate osa d aid 2 49 Modes of operation of BOTU QOTU nananana 2 50 BOTU OOTU TUI GOTT artist detras tie C ed 2 51 Optical IDnterfacB s zx oue Yet Rma XE PSU xS 2 51 Data te MacOS aci echa ele eee ee Be Sone be he ere eS 2 51 3 709 InterfaG6S xa cece e are gets oe dx ledio oe Pte BS Sr ed 2 52 Ethernet interfaceS 0 0 0 00 cc tenes 2 52 EG TCM ACO RT ERIT EE T il LT wee ees ete 2 53 E MOM ACE A A 2 53 Layer 2 OWEN tail o aaa a ds 2 53 Service IUNCUONS sa save ie domi ie bd Ai e 2 56 BOTU QOTU plug in unit llli hh 2 57 Mechanical Constr ctlon 2 3d D pr IPXw a UR Senso GE RE 2 57 Display and operating elements 000 e eee eee 2 57 Power SUDDIV cesta es shallot Gece ditate 28 diac eae iad a hae tw i 2 58 BOTU desktop U
32. not provide facilities for connecting a ULAF device directly to the Man agement DCN you can use the GTU to help transfer the management data over one or several free timeslots of a 2 Mbit s transmission link Fig 1 8 shows a typical application of the GTU as Inband Management for AccessIntegrator SNMP NMS Fractional E1 payload 10 100Base T connection 53 OMI SNMP GTU Fractional E1 payload en ae I 10 100Base T gt d T T z f ta Management GTU 2 Mbit s SDH or 2 Mbit s leased line GTU BSTUA BSTUA BOTU BSTUA BOTU GTU Payload GTU with 10 100Base T Submodul Fig 1 8 Inband manager for AccessIntegrator application A3118 X300 M100 2 7618 1 11 Technical Description 1 9 1 9 1 Standard mode 2 Mbit s Transparent 2 Mbit s Structured 2 Mbit s G 704 ISDN PRA 2 Mbit s 1 9 2 nx64 kbit s Ethernet Bridging nx64 kbit s 2 Mbit s G 704 1 12 Information ULAF V4 2 Standard modes of operation of ULAF The possible modes of operation are listed below 2 Mbit s mode SHDSL Optik Fig 1 9 Standard mode 2 Mbit s In this operating mode the signal injected at the G 703 interface is transmitted using SHDSL or optical transmission The payload bitrate is 2 Mbit s The subscriber interface data is transmitted transparently i e the data stream is not checked for the presence of a frame signal In this operating mode a check is made for the pre
33. of the AccessIntegrator refer to the relevant manuals see Chapter 5 References dez A3118 X300 M100 2 7618 Information ULAF V4 2 3 2 LCT platform Graphical user inter face Technical Description Operation via LCT For local control an LCT can be connected to the OMI SNMP either e via a RS232 interface or e via TCP IP The LCT can also be connected to a desktop unit via the RS232 interface Th ales O ULAF ULAF Fig 3 3 Operation maintenance via an LCT The ULAF LCT runs on a PC or laptop on e Windows 98 e Windows 2000 e Windows XP In the Line view the graphical user interface shows the installed network elements LT NT and optional connected regenerators If the LCT is connected to the NT only the unit is displayed but not the path A3118 X300 M100 2 7618 3 3 Technical Description Information ULAF V4 2 BJULAF LCT Administrator QASTU LT Slot 6 y a x File System Fault Configuration Performance View Help cD 9 Ready Last Trap Access Pend Requests Token 4 Alarm Maint O E Fig 3 4 ULAF LCT main window The system provides the following functionality e Functional presentation of the path e Path oriented administration of the line e Reading and writing of the configuration of individual network elements e Event driven recording of the alarms e Optical and or acoustic alarm signalling in the event of malfunctions e Masking of alarm messages
34. of the transfer channels of up to 125 ms can be compensated e The additional latency time caused by the MCS function is minimal 100 us e Wire pair and path exchange is corrected automatically e End to End monitoring and alarming using MCS alarms and error counters via the network SHDSL interfaces The BSTU4 has four SHDSL interfaces All interfaces can be operated with separately configurable bit rates 1 4 interfaces can be enabled depending on the applications The interfaces support the extended SHDSL standards ETSI Annex E and ITU Annex G see chapter 1 6 so that in the case of BSTU4 BSTU4 application bit rates of up to 5696 kbit s per wire pair can be reached A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 5 4 Service functions Loopback circuits and CRC checksums can be used for fault localization Loopback curcuits are activated either by software command via the LCT for example or by means of switches See Chapter 1 14 3 for further information about loopback circuits 2 5 5 BSTUA plug in unit 2 5 5 1 Mechanical construction The plug in unit is produced to double eurocard format The BSTU4 is equipped with a front panel for insertion into the subrack The front of the plug in unit incorporates e the display and operating elements e the subscriber interfaces and e the transmission interfaces Front of the basic unit LEDs Interface backplane circuit board Dip switch
35. the 2 2 OMI SNMP 10Base T 2 4 Ethernet interface 2 4 Operating mode ISDN PRA 2 Mbit s 1 12 nx64 kbit s Data 1 12 nx64 kbit s Ethernet Bridging 1 12 Standard mode 2 Mbit s 1 12 Structured 2 Mbit s G 704 1 12 Transparent 2 Mbit s 1 12 P Payload bitrate SHDSL 1 6 Platform LCT 3 3 Q QSTU DIP switches 2 21 external operating elements 2 21 Status display 2 20 S SHDSL Cable parameters 1 5 Noise level and type 1 6 Payload bitrate 1 6 Transmission level 1 6 Transmission range 1 5 Standard mode 2 Mbit s 1 12 otatus display BSTU 2 11 AP 6 Information ULAF V4 2 Structured mode BSTU 1 23 T Timing 2 Mbit s plesiochronous operation 1 17 Timing pulse injection 2 2 Transmission range SHDSL 1 5 Transparent mode BSTU 1 22 V Visual signalling GTUA 2 46 Visual signalling of the Ethernet interface 2 47 Visual signalling of the Ethernet interfaces 2 35 A3118 X300 M100 2 7618
36. up to 4 links The BSTU supports up to 8 SHDSL regenerator stages with the BSRU The following operating modes are supported by the BSTU e Bit transparent transmission with 2 Mbit s interfaces conforming to ITU T G 703 7 e Frame structured transmission with 2 Mbit s interfaces conforming to ITU T G 704 8 e ISDN Primary Rate access conforming ITU T 1 431 14 ETSI ETS 300 011 20 ETSI ETS 300 233 21 e Connection of data equipment X 21 V 35 V 36 granularity nx64 kbit s 10 100Base Tx Ethernet e 2 Mbit s Add Drop Mixed mode Fractional E1 and Data Add Top If sufficient transmission bandwidth is available it is possible in addition to the G 703 in terfaces transparent structured ISDN PRA to realize a data connection in the same system 1 or 2 wire pair operation via Ethernet X 21 V 35 or V 36 Add Top mode With this application the optimal SHDSL bitrate is calculated automatically Further de tails about the Add Top mode will be found in chapter 1 9 4 2 6 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 Mapped Mode _ For the purpose of matching to the terminal devices used and for optimizing the SHDSL bandwidths range the mapping of the CAS and the control lines together with the transmission of time slot O TSO can be flexibly configured in the Mapped Mode As a result the restrictions of a fixed allocation for CAS TS16 and the 2 Mbit s limit TS32
37. used the bit error rate of all possible connections G 703 data and Ethernet connections can each be set separately The remaining con nections are not affected by this measurement The test data generator and bit error counter are on the NT The test data generated by the generator can be looped back to the bit error counter at various points along the transfer path Fig 1 65 The loopback must be set up manually using the TMN BOTU NT BOTU NT QOTU BOTU LT QOTU BOTU LT O O Generator Analyzer 1 loopback is inserted automatically by a test signal Fig 1 65 Mode of operation of the BER test of a BOTU BOTU link The bit error rate measurement cannot be started if the V T interface on the NT belong i ing to the measurement is supplying the clock as the top prioritized clock source A3118 X300 M100 2 7618 1 43 Technical Description Information ULAF V4 2 1 44 A3118 X300 M100 2 7618 Information ULAF V4 2 2 1 2 1 1 Technical Description Function of the system components This Chapter describes the function of the system components ULAF subrack Chapter 2 1 Operating and Maintenance Interface OMI SNMP Chapter 2 2 BSTU termination unit Chapter 2 3 QSTU termination unit Chapter 2 4 BSTUA termination unit Chapter 2 5 Ethernet over TDM Inverse Multiplexer GTU4 Chapter 2 6 Optical termination unit BOTU QOTU Chapter 2 7 G 703 termination unit GTU Chapter 2 8 Interface
38. with an LCT Local Craft Terminal being used for local op erating and maintenance tasks Accessintegrator BH I Proxy Agent ZN ZN LCT LCT ULAF ULAF Fig 3 1 NMS concept A3118 X300 M100 2 7618 3 1 Technical Description Information ULAF V4 2 3 1 Accessintegrator Network Manage _Accessintegrator Acl is the Siemens AG network management solution for controlling ment and monitoring access network products An own Element Manager is available in the Accessintegrator family for ULAF The ULAF Element Manager uses the universal management protocol SNMP for communication with the ULAF system The Accesslntegrator also supports the CORBA North Bound Interface which enables connection of an Acl Cross Domain Manager CDM or an umbrella management sys tem Platform Accesslintegrator runs under Windows 2000 and Windows 2003 Server The Acl Client also runs under Windows XP Element Manager Ulaf Client connected to NBICP File View Configuration Fault Measurement Security Utilities Options Window Help SNMP DCN 1 1 Insert SNMP network element Network element SNMP Settings sNMP PORT a1 SAMP network element 192 168 10 10 lower shelf Type us e IP Address 19 168 10 10 Mame midtown shelf B Community Julatplus Aa Community Julatplus ISNMP PORT 1 Created ST e AT T40525 32 25 10 2002 4 Fig 3 2 Element Manager ULAF main window For further details
39. 03 1216 kbit s G 703 STS Position Unchanged Transmit TSO Disabled SHDSL Payload Bitrate 1216 kbit s 1216 kbit s 19TS A3118 X300 M100 2 7618 Information ULAF V4 2 Technical Description Example 2 SHDSL Mapping with Mapped Mode G 03 LT G 03 NT SCR 000101 011011 11111 1 1 11 B iso srs G 703 Subscriber Bitrate Fig 1 29 Example 2 SHDSL Mapping with Mapped Mode Subscriber Bitrate at G 703 704 kbit s G 703 STS Position TS16 Remove STS Disabled Transmit TSO Enabled SHDSL Payload Bitrate 832 kbit s 704 kbit s 11TS 64 kbit s TSO 64 kbit s STS Example 3 SHDSL Mapping with Mapped Mode G 03 LT G 03 NT 1 18 B iso LI G 703 Subscriber Bitrate Fig 1 30 Example 3 SHDSL Mapping with Mapped Mode Subscriber Bitrate at G 703 1152 kbit s G 703 STS Position TS16 Remove STS Enabled Transmit TSO Disabled SHDSL Payload Bitrate 1152 kbit s 1152 kbit s 18TS A3118 X300 M100 2 7618 1 25 Technical Description Data nx64 kbit s Information ULAF V4 2 In this operating mode a V 35 V 36 X 21 data interface or an Ethernet interface is en abled on the LT NT side The Bitrate amounts e 64 kbit s to 4608 kbit s with V 35 V36 and X 21 interfaces e 64 kbit s to 5696 kbit s with Ethernet on 1 wire pair systems e 64 kbit s to 11392 kbit s with Ethernet on 2 wire pair systems LT NT SHDSL V 35 V 36
40. 04 This makes an individually configurable payload bit rate possible Service functions Loopback circuits and CRC checksums can be used for fault localization Loopback curcuits are activated either by software command via the LCT for example or by means of switches See chapter 1 14 4 for further information about loopback circuits A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 6 5 GTU4 plug in unit 2 6 5 1 Mechanical construction The plug in unit is produced to double eurocard format The GTU4 is equipped with a front panel for insertion into the subrack The front of the plug in unit incorporates e the display and operating elements e the subscriber interfaces and e the transmission interface LED Interface backplane circuit board DIP switches C XC C E 3 Ethernet Y interfaces gt O ce O cea o ce O cea O ce O cea O ce O G 703 Fig 2 47 GTU4 termination unit A3118 X300 M100 2 7618 2 45 Technical Description 2 6 5 2 Status display Information ULAF V4 2 Display and operating elements The operating state and alarm signalling of the GTU4 are indicated by 11 LEDs on the front of the plug in unit Fig 2 48 Fig 2 48 Visual signalling of the GTU4 plug in unit State Color LOA Tx 00 Tx No WAN No WAN activity in transmission direction in transmission direction TX yellow No alarm E capacity in the send direction
41. 11600 10300 with ETSI noise E Een Bea FERE ae 9300 7850 7250 5550 icd Typ B level 0 dB with ETSI noise gt 1550012 14400 12900 11400 10000 7700 6200 5700 4100 3400 Typ B level 6 dB 1 Noise FSAN BC 384 kbit s 2 Max length of the line simulator Tab 1 1 SHDSL transmission range for QSTU FW ID 633 649 BSTU BSTU4 BSRU with TC PAM16 ETSI Annex E 22 and ITU T Annex G links Wire di Payload Bitrate of each wire pair TC PAM 32 ameter Capacity 768 kbit s 1024 kbit s 1536 kbit s 2048 kbit s 2304 kbit s 3072 kbit s 3804 kbit s 4096 kbit s 5120 kbit s 5696 kbit s 0 4 mm 5600 5500 5100 5000 4800 4300 3900 3900 3500 3200 with ETSI noise 3800 3500 2900 2500 2300 1800 1600 1450 1200 1100 Typ B level 0 dB with ETSI noise 3200 2800 2300 1800 1700 1350 1200 1000 800 Typ B level 6 dB 0 8 mm 155002 155002 155002 14800 14000 12000 10800 10200 8900 6900 with ETSI noise 11500 10900 9000 7500 6800 5400 4200 4100 3200 2900 Typ B level 0 dB with ETSI noise 10000 8900 7100 5700 5000 3700 2900 2700 1900 1700 Typ B level 6 dB 2 Max length of the line simulator Tab 1 2 SHDSL transmission range for QSTU FW ID 633 649 BSTU BSTU4 BSRU with TC PAM32 ETSI Annex E 22 and ITU T Annex G links A3118 X300 M100 2 7618 1 7 Technical Description 1 7 1 7 1 1 7
42. 118 X300 M100 2 7618 Information Technical Description ULAF V4 2 BER Test of a BSTU Fig 1 59 shows you the functionality of the BER test of a BSTU BSTU link BSTU link BSTU LT BSTU NT Generator Analyzer TMN Fig 1 59 Mode of operation of the BER test of a BSTU BSTU link BER Test of a QSTU q Fig 1 60 shows you the functionality of the BER test of a BSTU BSTU link resp a BSTU link QSTU BSTU link BSTU NT QSTU BSTU LT QSTU BSTU LT BSTU NT Generator Analyzer TMN G 703 G 703 Fig 1 60 Mode of operation of the BER test of a BSTU BSTU resp QSTU BSTU link 1 15 2 Bit Error Rate Measurement with QSTU FW ID 649 BSTU4 GTU4 The BER test of the BSTU4 or GTU4 checks all activated MCS channels Multi Channel Synchronization together The MCS payload is replaced here by a bit pattern PRBS Pseudo Random Bit Sequence If the Allow automatic BERT Loop function is not switched on or you do not want to use the MCS loopback on the remote BSTUA you can also use the 2b only on the QSTU or 3a loopbacks for the BER test In this case you must activate the loopbacks for all channels used configured The MCS loopback is automatically inserted on the remote BSTU4 by the MCS signal You can deactivate this function using LCT see ULAF User Manual 2 BER test ofa Fig 1 61 shows you the basic functionality of the BER test of a QSTU BSTUA link QSTU BSTUA link A3118 X300 M100 2 7618 1 41 Te
43. 15 2 1 15 3 2 1 2 1 1 2 1 2 2 2 2 2 1 2 2 2 2 2 3 2 2 4 2 3 2 3 1 2 3 2 2 3 3 2 3 3 1 2 3 3 2 2 3 3 3 2 3 3 4 2 3 3 5 2 3 3 6 2 3 4 2 3 5 2 3 5 1 2 3 5 2 2 3 5 3 2 3 5 4 2 3 6 2 3 6 1 2 3 6 2 2 3 6 3 2 4 2 4 1 2 4 1 1 2 4 1 2 2 4 2 2 4 3 2 4 4 2 4 4 1 2 4 4 2 2 4 4 3 2 4 4 4 Information ULAF V4 2 Bit Error Rate Measurement BER 1 40 Bit Error Rate Measurement with QSTU FW ID 633 BSTU 1 40 Bit Error Rate Measurement with QSTU FW ID 649 BSTUA GTU4 1 41 Bit Error Rate Measurement with BOTU QOTU 1 43 Function of the system components 2 1 ULAF subrack uod Oc t e ce de eite ER as 2 1 OVGEIVICW besane a o dne oh eae uolet ar Shae at ee eed Lr 2 1 Interfaces i o o cac doe pete do E dece o Fe odi Ro Oca diode 2 2 Operating and Maintenance Interface OMI SNMP 2 3 OVGCIMICW 4 scraps den oia ia ea ido pM ds 2 3 Indicators and operating elements lille 2 4 Intel do OS acceso n dpa wk oes Boe eh adbuc ia 2 4 POWER SUDDIV c dex crane one em aoe Bong duret EX Dr dabis ODE SE 2 5 BSTU termination unit 0 0 0 cee eee 2 5 eI M Cm 2 5 Operating modes of the BSTU 0 cc ee 2 7 Interraces or The BOT s reaa babe Aa E te d hee eRe SS 2 8 SHDSL riterface S ec esce vet x on qus ues sexies aos d a cae 2 8 G7 OSIM ACES m scs aris debant ate dox a eee ede ee Rs dde 2 8 Ethernet INTEMACE
44. 2 6 Data nx64 kbit s 1 26 G 703 LT Add Drop NT 1 27 G 703 LT Data NT 1 26 ISDN PRA 1 23 Mapped 1 23 Mapped Mode 2 7 Status display 2 11 Structured mode 1 23 Transparent mode 1 22 BSTU4 External operating elements 2 36 Status display 2 34 Visual signalling of the Ethernet interfaces 2 38 C Cable parameters SHDSL 1 5 Cascading via the OMI bus 2 2 A3118 X300 M100 2 7618 Technical Description Clock Operation with data interfaces 1 17 Clock interface desktop unit 1 18 subrack 1 18 Collective alarms 2 4 Configuration GTUA 2 47 D Data nx64 kbit s BSTU 1 26 E Ethernet 1 30 G G 703 LT Add Drop NT BSTU 1 27 G 703 LT Data NT BSTU 1 26 Graphical user interface LCT 3 3 GTU inband management for Linelntegrator 1 11 indicators and operating elements 2 62 interface converter 1 9 interfaces 2 61 NT1 function 1 10 GTUA BERT 1 43 External operating elements 2 47 LED 2 46 Status display 2 46 Visual signalling 2 46 GUT4 Configuration via DIP switch 2 47 Interface converter G 703 transmission unit GTU 1 9 ISDN PRA BSTU 1 23 L LCT graphical user interface 3 3 platform 3 3 M Mapped AP 5 Technical Description BSTU 1 23 Mapped Mode 2 7 N Network Management 3 2 Noise level and type SHDSL 1 6 O OMI acknowledgement button 2 4 alarm outputs 2 5 cascading the subracks 2 2 OM bus 2 5 RS232 interface 2 4 subrack version 2 5 supply 2 5 supply failure 2 5 OMI bus cascading via
45. 3 192 kbit s to 2048 kbit s each wire pairs Double eurocard format 272 X 47 5 x 175 mm 5 455 C at 5 95 rel humidity A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 4 9 2wire pairs SHDSL Regenerator BSRU Feed voltage local 40 120 Vpc Max feed current local 55 mA Feed voltage remote feeding max 180 Vpc Power consumption 3 4 W Line code TC PAM16 TC PAM32 Dimensions W x H x D 110x 35 x 225 mm Ambient temperature during operation 5 455 C at 5 to 95 96 relative humidity A3118 X300 M100 2 7618 4 9 Technical Description Information ULAF V4 2 4 10 A3118 X300 M100 2 7618 Information ULAF V4 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Technical Description References ULAF Installation Manual IMN SIEMENS Switzerland Ltd A3118 X300 M100 76D1 ULAF User Manual LCT UMN SIEMENS Switzerland Ltd A3118 X300 M100 7619 User Manual Advanced Bridge amp Router Module User Manual Advanced Bridge Module SIEMENS Switzerland Ltd A3118 X359 D091 7618 AccessIntegrator Installation Manual IMN SIEMENS Switzerland Ltd A50010 T3 U100 76D1 AccessIntegrator Administration Manual ADMN SIEMENS Switzerland Ltd A50010 T3 U100 7671 Accesslntegrator Operation Manual OMN SIEMENS Switzerland Ltd A50010 T3 U100 7619 ITU T Recommendation G 703 Physical Electrical char
46. 3 5 dBm for gt 768 kbit s 2688 kbit s payload bitrates 14 5 dBm for gt 2688 kbit s 5696 kbit s payload bitrates The values correspond with the nominal transmission level with the configuration PBO 0 dB For long cables this default value should be maintained For shorter ca bles the transmission level can be reduced through the PBO according to the applica tion requirements in order to diminish the crosstalk noise on the other copper pairs In accordance with the standards G 991 2 13 and ETSI 101 524 24 the transmission level must be reduced at line loss lt 6 dB or x 10 dB at TC PAM 16 and lt 8 dB at TC PAM 32 with ETSI Annex E ITU T Annex G This setting is automatically made in the Default PBO setting in the LCT The user must ensure this by manual configuration A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 Wire di Payload Bitrate of each wire pair TC PAM 16 ameter Capacity o o o o o o o z z z Q Q re Q x x x x Ps FR N N co 0 4 mm 7800 6900 6500 6200 5700 5600 5200 5100 4500 4000 with ETSI noise BN 5200 4800 4200 3700 3100 2700 2500 2000 1900 Typ B level 0 dB 2304 kbit s 3072 kbit s 3840 kbit s with ETSI noise 6000 4600 4100 3400 3100 2500 2200 2000 1550 1450 Typ B level 6 dB 0 8 mm Without noise 155009 gt 15500 215500 155009 155009 15500 14800 14800
47. 45678 ISGHS Fig 2 9 Visual signalling of the BSTU plug in unit yellow No maintenance func on Loopback active traps deactivated tion BERT activated layer 2 switch test mode ac tivated flashing Firmware on LT and NT are not compatible or configuration is not supported by NT 10 100BT yellow Half Duplex on Full Duplex P1 flashing Collision with Half Duplex 10 100BT green no connection on Link Up P1 no Traffic flashing Traffic LFA LOS T V red No alarm on LOS G 703 A flashing LFA AIS yellow No alarm AIS G 703 A Tab 2 3 X Visual signalling of the BSTU plug in unit A3118 X300 M100 2 7618 2 11 Technical Description 2 12 2 3 9 3 2 3 5 4 Information ULAF V4 2 MEM LFA LOS T V No alarm on LOS G 703 B flashing LFA yellow No alarm P 703 B 1 No alarm on LOS SHDSL Schnittstelle 1 flashing LFA LOSW Training n 2 No alarm on LOS SHDSL Schnittstelle 2 flashing LFA LOSW Training D 1 Visual signalling according Fig 2 10 2 Priority of the alarm messages urgent non urgent ist made with the LCT Tab 2 3 Visual signalling of the BSTU plug in unit LOS U On LOS T V Off 200 mS E o LI LI LILI LI LI LI LFA T V Off 200 mS 1 Sec On LOSW Off Training eae Fig 2 10 Visual signalling of the BSTU Power supply Power is supplied to the BSTU via the backplane circuit board of the subrack The plug in unit is equipped with a DC
48. 8 e Configuring bit transparent transmission with 2 Mbit s interfaces conforming to ITU T G 703 7 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 1 6 SHDSL line equipment Transmission is via 1 4 copper wire pair as defined in ETS 101 524 24 and ITU T G 991 2 13 The SHDSL transmission units supports symmetrical PSD Masks Power Spectrum Density with TC PAM 16 and TC PAM 32 Modulation Trellis Coded Pulse Amplitude Modulation The extension of the standard ETSI TS 101 524 Annex E enables significantly higher transmission rates on the SHDSL interface e TC PAM 16 192 kbit s 3840 kbit s or e C PAM 32 768 kbit s 5696 kbit s TC PAM16 192 kbit s 3840 kbit s 768 kbit s 5696 kbit s TC PAM32 Fig 1 4 Bitrate range TC PAM 16 TC PAM 32 Transmission range Itis not possible to specify a generally valid value for the usable range of SHDSL sys tems because various cable characteristics the environmental conditions and the mod ulation type TC PAM 16 TC PAM 32 have a critical influence on the transmission range To enable comparable results to be obtained the SHDSL transmission modules have been measured by means of a line simulator on standardized lines with standard ized noise interference However the usable ranges which are possible in practice can differ greatly from the values determined in this way The maximum reachable distances are affected by e the cable
49. DC converter and the input voltage is 48 Vpc 60 Voc BSTU remote power supply One equipment variant of the BSTU which can be supplied has a remote power feed This enables the remote feeding of a desktop unit or SHDSL regenerators The ground free supply voltage is either 120 Vpc or 180 Vpc the adjustable current is either 50 mA or 60 mA The remote power feeding voltage e 120 V meets the requirements for TNV supply circuits in accordance to EN60950 e 180 V also fulfils the requirements defined in ITU T K 50 18 and ITU T K 51 19 for an RFT Circuit The settings are made via LCT and via DIP Switches You will find more information about DIP Switches in the ULAF Installation Manual 1 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 Monitoring A monitoring circuit controls the voltage and the current control The output voltage is monitored for earth leakage at 180 V and is switched off in case of fault In case of a disturbance the BSTU tries to reestablish the remote feed The BSTU detects the following states with the remote feed e Remote feeding current too deep line interruption e Output voltage too deep short circuit e Earth leakage Out of this signals the BSTU generates the following alarms for each wire pair DCI ICI Remote feeding current too deep line interruption UNBAL Earth leakage Earth leakage Unbalanced Output voltage too deep short circuit Tab 2 4 BSTU remote fe
50. GTU4 BSTUA LT BSTU4 NT application SHDSL clock mode 3a is always configured for BSTU4 LT BSTU4 NT connections On the LT side you can configure the SHDSL symbol clock on the clock input If the LT clock is set to external and an external clock is present a clock is output on the NT A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 QSTU COT BSTU4 RT application The QSTU FW ID 649 and BSTU4 together support all three SHDSL clock modes This allows a QSTU BSTUA link to be used as the transfer medium for a high quality clock In SHDSL clock modes 1 und 2 the data path can operated either synchronously or ple siochronously GTU4 GTU4 application With the GTU4 there is no difference in the clock setting between the Configuration Master CM and the Configuration Slave CS The outgoing signal can be synchro nized to the incoming G 703 signal the clock input or the internal oscillator 1 12 3 Clock concept of the BOTU and QOTU The optical module can derive the required clock information for each 2 Mbit s interface as well as for the optical interface from another clock source This allows all interfaces to be operated plesiochronously to each other To prevent bit losses caused by different clock sources bit stuffing must be used on the 2 Mbit s signal for transfer over the optical interface It is also possible to operate the G 703 interfaces synchronously to the optical interfac
51. MI SNMP can control up to 64 termination plug in units which are distributed in a maximum of 4 subracks and linked via the OMI bus In this case the subrack in which the OMI SNMP is inserted is the master and as such itis connected to the management system LCT or Accessintegrator You cannot cascade subracks equipped with QSTU QOTU plug in units The reason for this is that the QSTU QOTU occupies up to four slot addresses The subracks are addressed by means of DIP switches on the backplane circuit board For further information refer to the ULAF Installation Manual 1 Interfaces The following interfaces are located on the frontpanel of the subrack e the 48 Vpc 60 Vpc operating voltage interface Power 1 and Power 2 e the clock supply interface BNC female connector 75 2 e the clock supply interface RJ45 female connector 120 Q e the collective alarm message one RJ45 female connector e thecascader interface for cascading subracks with the aid of the OMI bus two RJ45 female connectors All those interfaces which need to be accessed after assembly of the subrack are locat ed on the termination plug in unit and are accessible from the front For further details of these interfaces see Chapter 2 2 and the following text A3118 X300 M100 2 7618 Information ULAF V4 2 2 2 2 2 1 Technical Description Operating and Maintenance Interface OMI SNMP Overview The Operating and Maintenance interface unit
52. Manual 2 P1 P1 P2 P2 P3 P3 P4 P4 Fig 1 51 Loopbacks on a GTU4 GTUA link 1 36 A3118 X300 M100 2 7618 Information ULAF V4 2 1 14 5 BOTU LT G 703 Ethernet Daten Technical Description L2 Test Switch Mode With the L2 Test Switch Mode function learning addresses is switched off and all in coming packets are forwarded to all available Ethernet ports In the L2 Switch Test Mode packets that the Ethernet test device has generated can consequently be split lot transferred by the switch on the GTU4 CM to the test device again The 2b loopback on a GTUA is only activated when there is no valid MCS signal on the corresponding interface alarm LOM must be activated This attribute ensures that a GTU CS is visible again in the management as soon as the test is over Before inserting the loopback or the L2 Switch Test Mode you should separate the LAN from the GTUA as otherwise the data traffic on the LAN is disturbed Loopback on the BOTU QOTU BOTU NT G 703 e Ethernet P din eee ee AL 2 e e a optional Protection Line Daten 2bDa 3cDa Fig 1 52 Loopbacks on a BOTU BOTU link A3118 X300 M100 2 7618 1 37 Technical Description QOTU LT G 703A G 703B G 703C G 703D 35 V 36 V BOTU NT 1 38 Loopbacks on a QOTU BOTU link nos far i e e e e e o X o A AAA ee Loopbacks 2bDa far via TMN Information ULAF V4 2 B
53. N Ui ars anon ap pp aah el ara ee ee a do a 2 58 Mechanical construction 0000 cee ees 2 59 Display and operating elements 0 00 c eee eee eee 2 59 FOWOFSUDDIVSst 3 85d nS aa alia ERAS OES a ndo e wa ened PRT Os 2 59 G 703 termination unit GTU 0 0 0 0 0 0c eee 2 60 COVEN VI CW asa ria abn ed A we Soe ae wie tas 2 60 WIEN ACCS a b T Lc 2 61 Service UNCION S ues sete eo doom iid OSS See aS Snowe Ste 2 61 Using the GTU as a plug in unit llli 2 61 Mechanical construction isa 2604 uei RE yy eq GA Rowe dee ew i 2 61 Indicators and operating elements llle 2 62 l OWGLSUDDI csi uw p aote oia HOS ceri ttes e ase ar 2 62 Using the GTU in the desktop unit 0 000 0 eee eee 2 62 Mechanical construction 0 000 ce eens 2 63 Indicators and operating elements llle 2 63 L OWOFSUDDIV zeiten cm AR AA 2 64 Interface modules to the plug in units and desktop models 2 64 Modules for the 2 Mbit s interface G 703B o ooooooooo 2 65 Modules for the Data interface SlOt oooooooomoo 2 65 Module for the clock and alarm interface llis 2 66 SHDSL regenerator BSRU 0 0 es 2 66 OVEIVIEW us siria AAA ani soa ftnt 2 66 Mechanical construction llle 2 67 IG aO casto a m ditat Potrai aote ota e Ted a atop dta qos A 2 67 Powering of the BSR s ssa ave sees E od DOR AA 2 67 Monitoring a
54. OMI SNMP is the link between the ter mination plug in units and the LCT or Accesslntegrator One OMI SNMP can control up to 64 termination plug in units in 4 subracks Since the functionality of the OMI and the OMI SNMP are largely identical only the term OMI is used hereafter in this manual Where there are specific differences between the two modules these will be pointed out Green Power On Off Red UA Urgent Alarm Red NU Non Urgent Alarm Yellow ACK Acknowledged alarm Alarm acknowledgment button LCT connection LCT NMS 10bT NMS 10 100Base Tx Fig 2 2 Front panel of the OMI SNMP In the subrack the OMI SNMP is linked with the termination plug in units via the back plane circuit board The termination plug in units in the other subracks are connected via the OMI bus For further details about cascading the subracks see ULAF Installa tion Manual IMN 1 A3118 X300 M100 2 7618 2 3 Technical Description Information ULAF V4 2 2 2 2 Indicators and operating elements Four LEDs for status indication are located on the front panel of the module see Fig 2 2 Collective alarms The OMI SNMP collects the alarms from all the associated modules and indicates any faults by means of the corresponding LEDs on the front panel Alarm acknowledg Itis possible to acknowledge an alarm urgent non urgent with the alarm acknowledg ment ment button ACK on the front panel of the OMI SNMP An alarm acknowledged in
55. OTU NT 5 n G 703 5 n 3cDaf Data ns b n G 703 b n 3cDaf Data SN BOTU NT 141 oO os V 35 V 36 Loopback via control line 140 141 V 35 V 36 For BOTU BOTU links the loopbacks 2bDa far can be inserted via the control lines 140 141 and the loopbacks 3c local can be inserted locally Additionally the loopback 2bDa far can be inserted via TMN BOTU LT BOTU NT 2bDa v A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 In addition to the loopbacks indicated above it is also possible to enable the Switch Test Mode on the BOTU This makes the Ethernet switch transparent and thus makes loop backs on the Ethernet interface possible The loopbacks which are available for a BOTU BOTU link depend on the hardware fit ted and the operating mode All loopbacks can be configured to be transparent or non transparent 1 14 6 Loopback on the GTU T V GTU in NT1 mode Fig 1 56 Loopback on the GTU in NT1 mode GTU in the data mode Fig 1 57 Loopback on the GTU in data mode GTU remote Fig 1 58 Loopback on the GTU in GTU remote mode A3118 X300 M100 2 7618 1 39 Technical Description 1 15 1 15 1 EA 1 40 Information ULAF V4 2 Bit Error Rate Measurement BER You can use Bit Error Measurement to perform true error rate measurement during in stallation A bit pattern PRBS Pseudo Random Bit Sequence instead of useful data is transmitt
56. P VLAN Provider VLAN Fig 2 58 Example of a 802 1ad Provider VLAN topology A3118 X300 M100 2 7618 2 55 Technical Description 2 7 4 Information ULAF V4 2 Class of Service Network service providers accommodate quality of service to their customers through a service contract which is called service level agreement SLA Classes of Service CoS describe the set of features and other characteristics associated with a specific service level Thus it must be possible to distinguish between traffic classes and ensure that traffic belonging to a certain class is treated according to the features of this class The BOTU has four queues per interface to enable network providers to deliver and gu arantee these Classes of Services The following prioritization algorithms are available WFQ Weighted fair queueing The queues of the separate ports are processed accordingly in the ratio 8 4 2 1 where the queue with the lowest priority can use 1 15 of the available bandwidth PQ Strict The queues with lower priority are only processed after the queues with higher priority have been fully processed Traffic Policing at the Ethernet interface The data flow of the individual inbound interfaces can be restricted with the following granularity e in 64 kbit s steps from 64 kbit s to 1 Mbit s e in 1 Mbit s steps upwards of 2 Mbit s The captured bytes correspond to the standard layer 2Bytes Ethernet frame of the des t
57. SIEMENS Information ULAF V4 2 Technical Description A3118 X300 M100 2 7618 Technical Description Information ULAF V4 2 f Important Notice on Product Safety Elevated voltages are inevitably present at specific points in this electrical equipment Some of the parts can also have elevated operating temperatures Non observance of these conditions and the safety instructions can result in personal injury or in prop erty damage Therefore only trained and qualified personnel may install and maintain the system The system complies with the standard EN 60950 All equipment connected has to comply with the applicable safety standards Copyright C Siemens Switzerland Ltd 2008 Issued by Engineering and Innovative Products Albisriederstrasse 245 CH 8047 Z rich Technical modifications possible Technical specifications and features are binding only insofar as they are specifically and expressly agreed upon in a written contract AD 2 A3118 X300 M100 2 7618 Information ULAF V4 2 Technical Description Issues Change indications N new G modified 0 deleted Title Issue Page s Administration Section AD 2 AD 1 AD Chapter 1 2 dT neues 1 Chapter 2 2 gw wes 2 Chapter 3 2 d anaes 3 Chapter 4 2 4 1 4 Appendix AP 2 AP 1 AP This document consists of a total of 144 pages A3118 X300 M100 2 7618 10 70 10 6 C 0 0 0 0 AD 3 Technical Description Informa
58. X 21 V 35 V 36 X 21 Ethernet l l Ethernet G 703 LT Data NT Fig 1 31 Data nx64 kbit s In this operating mode the G 703 interface is active on the LT side and the data interface is active on the NT side On the NT the data stream is mapped into a G 704 frame 6 703 gt LT NT SHDSL V 35 V 36 X 21 Ethernet 1 26 Fig 1 32 G 703 LT Data NT Two examples of the G 703 LT Data NT operating mode will be found below Example 1 SHDSL Mapping with G 703 LT Data NT mode G 703 LT IN TSO A End to End Signalling CAS Data interface Payload Bitrate Fig 1 33 Example 1 SHDSL Mapping withG 703 LT Data NT mode Bitrate at Data interface 1280 kbit s End to End Signalling CAS G 703 STS Position TS16 Remove STS Disabled Transmit TSO Disabled SHDSL Payload Bitrate 1344 kbit s 1280 kbit s 20TS 64 kbit s CAS A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 Example 2 SHDSL Mapping with G 703 LT Data NT mode G 03 LT B TSO End to End Signalling Fast Data interface Payload Bitrate Fig 1 34 Example 2 SHDSL Mapping with G 703 LT Data NT mode Bitrate at Data interface 1920 kbit s End to End Signalling Fast G 703 STS Position Unchanged Transmit TSO Disabled SHDSL Payload Bitrate 1984 kbit s 1920 kbit s SOTS 64 kbit s Fast G 703 LT On the NT side a data stream from the data interface is mapp
59. acteristics of hierarchical digital interfaces ITU T Recommendation G 704 Synchronous frame structures uses at 1544 6312 2048 8488 and 44 736 kbitu s hierarchical levels ITU T Recommendation G 706 Frame alignment and cyclic redundancy check CRC procedures relating to basic frame structures defined in recommendation G 704 ITU T Recommendation G 821 Error performance of an international digital connection operating at a bit rate below the primary rate and forming part of an integrated services digital network ITU T Recommendation G 823 The control of jitter and wander within digital networks which are based on the 2048 kbit s hierarchy ITU T Recommendation G 826 Error performance parameters and objectives for inter national constant bit rate digital paths at or above the primary rate ITU T Recommendation G 991 2 Single Pair High Speed Digital Subscriber Line SHDSL Transceivers ITU T Recommendation 1 431 Primary Rate User Network Interface Layer 1 Specifi cation ITU T Recommendation K 17 Protection against Interference Tests on power fed repeaters using solid state devices in order to check the arragements for protection from external interference A3118 X300 M100 2 7618 AP 1 Technical Description AP 2 16 17 18 19 20 21 22 23 24 Information ULAF V4 2 ITU T Recommendation K 20 Protection against Interference Resistibility of telecom munication e
60. ailable loopbacks for the BSTU4 depend on whether you use the unit together with a QSTU as LT or with another BSTU4 Loopbacks of a QSTU BSTU4 link With a telecom BERT Bit Error Rate Tester on the G 703 interface you can insert the 2b loopback individually for each channel QSTU LT BSTUA NT Fw ld 649 BSRU 1 BSRU 4 BSRU 1 _ BSRU 4 Fig 1 48 Loopbacks of a QSTU BSRU BSTUA link The 2b loopback is only activated on an BSTU4 when there is no valid MCS signal on the corresponding interface i e the alarm LOM must be activated Loopbacks of a BSTU4 BSTUA link The MCS loopbacks on the BSTU4 can be inserted together for all activated channels The test with an external Ethernet test device can be made after the L2 Switch Test Mode has been activated with the BSTU4 that the external test device is connected to see ULAF User Manual 2 A3118 X300 M100 2 7618 Information ULAF V4 2 A3118 X300 M100 2 7618 P1 P2 P3 P4 Rack 1 14 4 Technical Description BSTU4 LT BSTU4 NT BSRU 1 BSRU 4 ral la ii 1a 12 m P1 P2 MCS 3a gt P3 1 P4 Rack 1a RE 1a l EG BSRU 1 BSRU 4 Fig 1 49 Loopbacks of the BSTU4 BSRU BSTUA link L2 Test Switch Mode With the L2 Test Switch Mode function learning addresses is switched off and all in coming packets are forwarded to all available Ethernet ports In the
61. amp Maintenance Interface unit OMI SNMP e the SHDSL transmission units BSTU QSTU BSTU4 e the Ethernet over TDM Inverse Multiplexer GTU4 e the BOTU and QOTU transmission units for optical transmission e the G 703 GTU transmission unit interface converter e the SHDSL regenerators BSRU e aseries of plug in modules subscriber interfaces for example for individual config uration of the system For local operation and maintenance of ULAF the system can be controlled from a Lo cal Craft Terminal LCT which is connected to the OMI SNMP or to the desktop units The Accesslntegrator management software is used for centralized operation and main tenance and this is also connected to the OMI SNMP or to the desktop units Access configurations The following options are available to the user e Ethernet connections up to 22 8 Mbit s via SHDSL e Ethernet connections up to 100 Mbit s via optical transmission e Ethernet Inverse Multiplexing over E1 connections e Add Top 2 Mbit s and Data e Add Drop mixed mode nx64 kbit s or Ethernet with 2 Mbit s e nx64 kbit s data connections e Connecting data equipment X 21 V 35 V 36 e Access to local ISDN exchanges via the subscriber access network for subscribers with ISDN Primary Rate Access lines conforming to ITU T G 704 8 ITU T 1 431 14 and ETSI ETS 300 233 21 e Configuring frame structured transmission with 2 Mbit s interfaces conforming to ITU T G 703 7 and ITU T G 704
62. anual 1 2 9 2 Modules for the Data interface slot Depending on requirements the data interface can be equipped with different connec tors The following modules are available e Advanced Bridge Module The module is equipped as Ethernet Bridge with a 10 100 Base Tx Ethernet inter face Auto Negotiation Transparent VLAN and Spanning Tree are supported The configuration is performed via the console interface RS232 either using Telnet or Web You will find information on the configuration in the Advanced Bridge Module user manual 3 e Advanced Bridge amp Router Modul The Advanced Bridge amp Router Module also has the IP routing functions static HIP1 2 and NAT DHCP and DNS Client Relay With Frame Relay and PPP you can set up connections to external devices via V 36 V 35 X 21 E1 You will find infor mation on the configuration in the Advanced Bridge Module user manual 3 e X 21 DCE Sub D 15 pin e V 35 DCE M34 connector for the desktop unit e V 35 DCE Sub D 25 pin e V 36 DCE Sub D 37 pin In addition to the mechanical fittings and connectors the necessary interface transceiv er is also installed on these modules For details of the PIN assignment of the connec tors refer to the ULAF Installation Manual 1 A3118 X300 M100 2 7618 2 65 Technical Description 2 9 3 2 10 2 10 1 Information ULAF V4 2 Module for the clock and alarm interface The urgent non urgent alarms are
63. ation ULAF V4 2 The following DSL Mapping options are possible e G 703 STS Position Here any arbitrary position can be selected for the signalling timeslot STS at the G 703 interface of the LT and the NT With lt STS Mapping disabled all the time slots apart from time slot O TSO are handled the same If a time slot is selected this selection specifies the position of the STS Normally this will be time slot 16 TS16 If the option lt Remove STS gt is disabled the STS will always be transmitted The Signalling Timeslot is not part of the subscriber bitrate for the G 703 interface e Remove STS If the option Remove STS gt is enabled there will be no transmission of the Signal ling Timeslot This is logical if the systems connected to the LT and the NT use for example TS1 to T9815 and TS17 to TS31 but no Signalling signal is present in TS16 e Transmit TSO This setting is used to specify whether the time slot O TSO is transmitted on the SHDSL link Time slot 0 TSO is required among other things for transmitting the Sa bits If Transmit TSO is disabled time slot O TSO is regenerated for the G 703 interface in the LT and the NT Three examples of the Mapped operating mode will be found below Example 1 SHDSL Mapping with Mapped Mode G 03 LT G 03 NT AA 1 1 19 B so G 703 Subscriber Bitrate Fig 1 28 Example 1 SHDSL Mapping with Mapped Mode Subscriber Bitrate at G 7
64. availability of the timing sources is configured via the LCT The highest priority timing source available is always used as the system clock If a timing source fails the system automatically switches over to the timing source with the next lower pri ority During AIS ES signalling if a transmission direction fails the timing pulse for all the devices is derived from the internal oscillator Incoming AIS ES signalling is relayed us ing the signal clock U2 V3 T N V3 N i T3an I T4ab V3 C T C Fig 1 21 Clock concept 2 Mbit s mode Plesiochronous In this mode the signals from the V3 C interface of the LT are used for the downstream operation timing pulse and the signals from the T N interface of the NT are used for the upstream timing pulse Fig 1 21 Operation with data interfaces Operation with data If the data is transferred with nx64 Kbits s Ethernet it must be ensured that the clock interfaces on the LT is derived from the same source as the clock on the NT The NT should derive the clock from the transfer interface for this With the LT either V3 C T3an or the inter nal oscillator can be used A3118 X300 M100 2 7618 1 17 Technical Description Information ULAF V4 2 Clock interface on the subrack Clock interface on the The timing pulse to the individual modules is routed via the backplane circuit board The subrack impedance of the clock input is 75 Q BNC connector or 120 Q RJ45 conne
65. board plug in unit Clock and alarm module Loopback switch desktop unit desktop unit LED desktop unit LCT Desktop unit Fig 2 21 QSTU termination unit A3118 X300 M100 2 7618 2 19 Technical Description 2 4 4 2 Status display Information ULAF V4 2 Display and operating elements When the QSTU is inserted into subrack the operating state and alarm signalling are indicated by 11 LEDs on the front of the plug in unit Fig 2 22 Indicators and operating elements on the plug in unit E Rea Rose ECC LOS LFA U 1 LOS LFA U 21 LOS LFA U 3 Loss of signal frame Training Loss of signal frame Training Loss of signal frame Training Tab 2 6 Visual indications on the plug in unit LOS LFA T V D Red Noaam Loss of signal frame at G 703 D A3118 X300 M100 2 7618 Information Technical Description im fom wf me LOS LFA U 41 Red Noalam Loss of signal frame Training ULAF V4 2 Yellow No maintenance function on Loopback active traps deactivated BERT activated layer 2 switch test mode activated blinking 1 Firmware on LT and NT are not compatible or configuration is not supported by NT 1 Visual signalling according Fig 2 22 2 Alarm message depends of the configuration made with the LCT 3 The continuous flashing shows the non successful training Tab 2 6 Visual indications on the plug in unit DIP switches on the The configuratio
66. chnical Description Information ULAF V4 2 BSTU4 NT QSTU LT BSTU4 NT QSTU LT Generator 1 loopback is inserted automatically by a test signal Analyzer Fig 1 61 Mode of operation of the BER test of a QSTU BSTU4 link BERtestofa Fig 1 62 shows you the basic functionality of the BER test of a QSTU GTUA link QSTU GTUA link GTU4 CM oder CS QSTU LT BSTU4 NT 1 loopback is inserted automatically by a test signal Generator Analyzer Fig 1 62 Mode of operation of the BER test of a GTU4 as CM or CS BERT test ofa Fig 1 63 shows you the basic functionality of the BER test of a BSTU4 BSTUA link The BSTUA BSTU4 link generator is also on the NT with this application BSTUA LT BSTUA NT 1 loopback is inserted automatically by a test signal Generator Analyzer TMN Fig 1 68 Mode of operation of the BER test of a BSTU4 BSTUA link 1 42 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 BERT testofa With a purely GTU4 GTU4 connection the generator is always on the GTU4 configured GTU4 GTU4 link as master CM With a connection with two CM the local generator is always activated Fig 1 64 GTU4 CM oder CS GTU4 CM 1 loopback is inserted automatically by a test signal Generator Analyzer TMN Fig 1 64 Mode of operation of the BER test of a GTUA GTUA link 1 15 3 Bit Error Rate Measurement with BOTU QOTU If the BOTU and the QOTU are
67. connected battery cable e Local power supply with 230 Vac with redundancy feed via the U interface In this case for local power supply with 230 Vac you must use an external power brick NTU e Remote power supply via the U interface see Chapter 2 4 4 4 QSTU remote power supply A default voltage of 230 Vac is supplied to the desktop unit via a mains cable which is permanently connected to the unit As an alternative a voltage of 48 Vpc 60 Vpc can be supplied via a permanently connected battery cable The battery cable is also per manently screwed to the module for further information refer to the ULAF Installation Manual 1 BSTUA termination unit Overview The BSTUA can be used to deploy carrier grade Ethernet services with high bandwidth The BSTU4 is a 4 wire pair SHDSL termination unit with integrated 4 port 10 100BaseTx Ethernet Switch Channel bundling enables bit rates of up to 8 Mbit s via TDM networks 1 2 3 4 x 2Mbit s multi channel system with resiliency in BSTU4 BSTUA applications Fig 2 27 bit rates of up to 22 8 Mbit s are possible via 4 wire pairs using Link Aggre gation bit rates of up to 91 2 Mbit s are possible via 16 wire pairs The bit rate of each SHDSL path can be configured individually thereby optimizing it to the physical condi tions of the line The BSTUA is available as e Plug in unit with or without RPS e Desktop unit with or without RPS The BSTU4 can be operated either with another BSTU4
68. ctor If the transmission module obtains an external timing pulse via the backplane circuit board the signal T3an is monitored An alarm is emitted if the signal fails A clock priority can be assigned for clock synchronization If the current timing source fails the system switches over to the clock with the next lower priority Clock interface on the Desktop Clock interface on the The clock signal will be output or injected via the appropriate optional interface module Desktop The 75 120 Q impedance is configured with the aid of jumpers The activity of the exter nal clock is monitored by the software An alarm is emitted if the clock fails 1 12 1 Clock concept of the SHDSL termination units In addition to the clock configurations described above application there is an optional possibility with the SHDSL modules to derive the SHDSL Symbol Clock from the Local Oscillator from the T3an interface reference clock or from the application clock This choice for the SHDSL clock pulse is not available to the same extent for all ULAF modules Details of this will be found in Tab 1 3 SHDSL LT symbol clock source NT symbol clock source Supported by Mode No Local Oscillator Receive symbol clock Plesiochron QSTU FW ID 633 649 BSTU BSTUA NT BSRU Network Reference Receive symbol clock Plesiochron with Reference QSTU FW ID 633 649 BSTU clock Embedded Clock BSTU4 NT BSRU Transmit data clock Receive symbol clock Sy
69. e without bit stuffing The optical clock is used as the clock source for the 2Mbit s signal in this case Transfer to the Ethernet and the data interface is synchronous with the op tical symbol clock The following clock sources are available for optical transmission e External clock input e Subscriber interface VA VB VC VD the first available interface is used in synchro nous operation without bit stuffing e Internal oscillator The following clock sources are available for the G 703 interface e External clock input only LT e Subscriber interface VA VB VC VD separate for each interface e Clock of the U interface e Internal oscillator Plesiochronous Transmission 7 3an V3 Up T i E1 Clock Domain I Optical Clock Domain l Optical Clock Domain I E1 Clock Domain i I i I i I i Bit Stuffer Optical Framer i Bit Stuffer i I I I I I ae I I I Optical Optical i l Clk Line TC I m I I I I I 4 l TN I I I I I I V3 N I i I I I I I I I I I I I I I I I I I I I I I I I I 0 I I Local Oscillator l l I I I I I mb I I I I I Fig 1 23 Clock concept of the BOTU and QOTU Plesiochronous Transmission A3118 X300 M100 2 7618 1 21 Technical Description 1 12 3 1 1 13 1 13 1 Transparent 2 Mbit s G 703 Information ULAF V4 2 Synchronous Transmission 0 NT Bit Stuffer Optical Framer Optical Framer Bit Stuffer U I I I I I I I I I I Optical LIne
70. e inserted by means of the DIP switch either locally at the NT or remotely at the LT Loop 2bR Note e The Regenerator Loopback can only be inserted at the LT e Inthe PRA mode the 1 3a loopback is transparent e With the exception of the loopback 1 3a all the loopbacks can be configured to be transparent or non transparent Loopbacks for the BSTU BSTU LT BSTU NT BSRU BSRU Ethernet 2bE 1 3a BSRU 1 BSRU 8 Fig 1 41 Loopbacks for a BSTU BSTU link A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 O le e e LO LO e e eL BSTU BSTU Fig 1 42 Loopback via control line 140 141 V 35 V 36 For BSTU BSTU links the loopbacks 2bD far and 3c local can be inserted via the control lines 140 141 The loopback 2bDfar is inserted using TMN and is transparent BSTU NT BSTU LT BSTU LT BSTU NT wotg In addition to the loopbacks indicated above it is also possible to enable the Switch Test Mode on the BSTU This makes the Ethernet switch transparent and thus makes loop backs on the Ethernet interface possible Fig 1 43 Loopback 2bD far via control line The loopbacks which are available for a BSTU BSTU link depend on the hardware fit i ted and the operating mode With the exception of loop 3a all the loopbacks can be con figured to be transparent or non transparent 1 14 2 Loopbacks for the QSTU Loopback 1 3a applies simul
71. ecksums 1 1 Line Protection The optical transmission can optionally be protected via 1 1 line protection To do this the data is transferred simultaneously over two optical transfer interfaces and the receiv er uses the receive quality to decide which of the two receive lines the data is taken from If an LOS LFA or BER alarm is pending on the optical transfer line that is currently be ing used the system switches immediately to the other optical line but only if this line is free of alarms If the receive quality is the same on both optical transmission lines one of them can be given priority The prioritized optical transfer line is used as soon as it has been error free LOS LFA or BER3 for 30 seconds A3118 X300 M100 2 7618 Information ULAF V4 2 1 8 1 8 1 Technical Description G 703 transmission Unit GTU The G 703 transmission unit GTU is used for the following applications e Interface converter Chapter 1 8 1 e NT1 Z function for transparent 2 Mbit s links Chapter 1 8 2 e Inband management for AccessIntegrator Chapter 1 8 4 Interface converter The GTU is used to connect terminals operating at nx64 kbit s or Ethernet interfaces to transmission equipment with G 703 interfaces In this application the data is packed by the GTU into a G 704 frame It is also possible to operate the unit in Add Drop mode In this situation equipment with fractional E1 and nx64 kbit s or Ethernet interfaces can be con
72. ed alarm signalling 2 3 6 Using the BSTU as desktop unit 2 3 6 1 Mechanical construction When the BSTU is used in the desktop unit it is installed in a plastic casing The casing can also be wall mounted The overall dimensions are 175 mm x 272 mm x 47 mm The desktop unit can be used in the exchange as well as on the subscriber s premises The possible operating modes are identical with those for the plug in unit see Chapter 2 3 2 The indicators and operating elements and the RS232 connection for the local LCT are located on the front panel Fig 2 11 Front panel of the desktop unit On the rear are the various interfaces depending on the equipment variant Fig 2 12 Rear panel of the desktop unit possible equipment variant A3118 X300 M100 2 7618 2 13 Technical Description 2 14 2 3 6 2 2 3 6 3 2 4 2 4 1 Information ULAF V4 2 Display and operating elements The visual signalling of the desktop unit is the same as for the plug in unit In addition the LEDs for the G 703 and SHDSL interfaces are visible from the front side of the desk top unit The meanings of the LEDs are explained in Tab 2 3 Power supply The following alternative types of power supply are available for the desktop unit e Local power supply with 110 Vac or 230 Vac permitted range 95 260 Vac e Local power supply with 48 Vpc or 60 Vpc permitted range 40 72 Vpc e Remote power supply via the SHDSL interface
73. ed for the data transmission A channel can have the bandwidth in the range 1 32x64 kbit s The Inverse Multiplexer IMUX merges the data of the channels and forwards it to the 4 port Ethernet Switch 4 Port Ethernet 4 Port Ethernet Fig 1 18 TDM Ethernet mode in conjunction with a GTU4 Fig 1 19 TDM Ethernet mode with QSTU BSTU4 Ethernet Ethernet mode This mode of operation is used to connect two Ethernet networks with one another The bitrate of the individual MCS channels is limited by the transmission medium Up to 22 8 Mbit s 5 7 Mbit s per channel are possible with SHDSL An inverse multiplexer that distributes the data to the individual channels is available on both devices 1 4x SHDSL BSTUA BSTUA Fig 1 20 Ethernet Ethernet mode with BSTU4 BSTUA A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 1 12 Clock concept The ULAF timing pulse concept uses two different operating modes 2 Mbit s mode and data interface mode In 2 Mbit s mode the transmission module can be operated syn chronously as well as plesiochronously while in nx64 kbit s Ethernet mode it can only be operated synchronously As a general rule ULAF modules derive the necessary timing information from the fol lowing interfaces see Fig 1 21 e from the subscriber interface e from the external clock input e from the internal oscillator or e from the U interface The priority and
74. ed from the built in pattern generator In contrast to the CRC4 CRC6 values when block errors from precisely defined line sections are produced CRC6 HDSL link CRC4 G 704 link Bit Error Rate Measure ment produces a bit error rate The length of the test pattern used is 215 1 The test times that can be set are 1 minute 10 minutes 60 minutes 24 hours only SHDSL termination units The following information can be read out Bit Error Rate Error Free Seconds Number of Errors Number of seconds with Pattern Sync Loss Bit Error Rate Measurement with QSTU FW ID 633 BSTU When the QSTU FW ID 633 and the BSTU are being used the modes e G 703 IF with a G 703 interface and e Data IF with a data or Ethernet interface is available Bit Error Rate Measurement can be used e independently of the interface G 703 data or Ethernet interface e with any bitrate 64 kbit s to 11392 kbit s e with any operating mode and e with all clock settings except that V T Interface may not be configured on the NT as priority 1 Alarm One generator per system may be used The loopbacks are inserted manually for all in terfaces In the Add Drop and Add Top mode the entire data stream is available on the untested interface In the illustrations below all the loopbacks concerned are drawn in For a BER test it is sufficient to delimit the appropriate sublink by inserting the loopback A3
75. ed into the G 704 frame Add Drop NT On the LT side both partial data streams are output jointly via the G 703 interface By this means two different data streams can be transmitted over one network connection G 703 gt LT NT G 703 SHDSL V 35 V 36 X 21 Ethernet Fig 1 35 G 703 LT Add Drop NT Two examples of the Add Drop operating mode will be found below Example 1 SHDSL Mapping with G 703 LT Add Drop NT mode G 03 LT G 03 NT E TSO End to End Signalling G 703 Subscriber Bitrate a Datenschnittstelle Payload Fig 1 36 Example 1 SHDSL Mapping with G 703 LT Add Drop NT mode A3118 X300 M100 2 7618 1 27 Technical Description 1 13 2 Information ULAF V4 2 Subscriber Bitrate at G 703 1216 kbit s Bitrate at Data interface 704 kbit s End to End Signalling Fast G 703 STS Position Unchanged Transmit TSO Disabled SHDSL Payload Bitrate 1984 kbit s 1216 kbit s 19TS 704 kbit s 11TS 64 kbit s 1TS Example 2 SHDSL Mapping with G 703 LT Add Drop NT mode G 03 LT m TSO End to End Signalling BR G 703 Subscriber Bitrate STS Fig 1 37 Example 2 SHDSL Mapping with G 703 LT Add Drop NT mode a Datenschnittstelle Payload Subscriber Bitrate at G 703 704 kbit s Bitrate at Data interface 512 kbit s End to End Signalling Fast G 703 STS Position TS16 Remove STS Disabled Transmit TSO
76. ee chapter 2 5 3 3 O SHDSL interfaces see chapter 2 5 3 4 2 5 3 1 Ethernet interfaces The Ethernet interfaces of the BSTU4 have the following features A3118 X300 M100 2 7618 10 100 Base Tx in accordance with IEEE 802 3u Full Duplex Half Duplex With Half Duplex as opposed to Full Duplex simultaneous sending and receiving is not possible Auto negotiating in accordance with IEEE 802 3u for Full Half Duplex mode 10 100 Base Tx Flow Control Automatic MDI MDI X Auto MDI MDI X enables the automatic adjustment of the transmission and recep tion line of a port i e on the connected Ethernet cable crossed or not crossed and the configuration of the opposite terminal Flow Control Pause frames are sent as per IEEE 802 3x in full duplex operation The backpressure method is used in half duplex operation Technical Description Information ULAF V4 2 Bandwidth limiting The maximum ingress data rate of each LAN port can be limited policing Up to 1 Mbit s the ingress data rate can be set in 64 Kbits s steps Above this speed in steps of 1 Mbit s In addition the egress data rate of all LAN and the WAN ports can be limited be tween 1 Mbit s and 100 Mbit s The following egress data rates can be selected where x is a value between 2 and 200 200 000 kbit s X Link status information is available for each Ethernet interface link up 10 100Base Tx full duplex half duplex PHY P
77. er Manu al LCT for this 2 Variants with Fw ld 633 for operation with the QSTU BSTU Variants with Fw ld 649 for operation with the BSTU4 GTU4 1 Default setting A3118 X300 M100 2 7618 2 25 Technical Description Information ULAF V4 2 2 5 2 1 Application examples for the BSTU4 You will find two application examples for the BSTU4 in the following Provider Bridge IEEE 802 1ad Q in Q C VLAN Customer VLAN P VLAN Provider VLAN Quality of Service Fig 2 27 Ethernet via Packet Backbone Carrier Network up to 22 8 Mbit s up to 91 2 Mbit s by using Link Aggregation Patented MCS Multi Channel Synch ronization algorithm with automatic detection and correction of wire pair or channel interchange 10 100base T SDH K A x64 kbps e ye t a c 10 100base Q 100base T Up to 4xE1 per subscriber Up to 4 SHDSL Pairs 8 Mbps Fig 2 28 QSTU BSTU4 over TDM Network 1 4x E1 2 26 A3118 X300 M100 2 7618 Information ULAF V4 2 Technical Description 2 5 3 BSTUA function The BSTUA is equipped with four Ethernet 10 100Base Tx and four SHDSL interfaces Fig 2 29 shows you the BSTU4 s functional circuit diagram The individual blocks 1 4 are described in the following chapters Fig 2 29 Functional circuit diagram of the BSTUA O Ethernet interfaces see chapter 2 5 3 1 o9 Layer 2 Switch see chapter 2 5 3 2 Channel Bundling s
78. es Ethernet interfaces O O O O O O O O O O SHDSL U SHDSL interfaces Fig 2 33 BSTUA termination unit A3118 X300 M100 2 7618 2 33 Technical Description Information ULAF V4 2 2 5 5 2 Display and operating elements Status display The operating state and alarm signalling of the BSTU4 are indicated by 11 LEDs on the front of the plug in unit Fig 2 34 Indicators and operating elements on the plug in unit BSTU4 o EN Tx yellow No alarm WAN capacity in the send direction gt 70 uti lization No alarm on all paths downed blinking 1 on or more paths downed SHDSL LOS U1 red No alarm on LOS blinking LOSW Training SHDSL LOS U2 red No alarm on LOS blinking LOSW Training SHDSL LOS U3 red No alarm on LOS blinking LOSW Training Tab 2 10 Indicators and operating elements on the plug in unit BSTU4 2 34 A3118 X300 M100 2 7618 Information Technical Description Lx hwh o kh SHDSL LOS U4 red No alarm on LOS blinking LOSW Training ULAF V4 2 No maintenance func on Loopback active traps deactivated BERT tion activated layer 2 switch test mode activated blinking 1 Firmware on LT and NT are not compatible or configuration is not supported by NT 1 Alarm message depends of the configuration Tab 2 10 Indicators and operating elements on the plug in unit BSTU4 Visual signalling of A green and a yellow LED are integrated in the sockets of the Ethernet interfaces
79. esktop unit remote power Power consumption max with remote power supply 180V 60mA With remote power supply Output voltage at 120 Vpc Output voltage at 180 Vpc SHDSL interface Transmission technology Line code Payload Bitrate Ethernet interface Dimensions Plug in unit Desktop unit B x H x T Temperature in operation A3118 X300 M100 2 7618 Technical Description 48 Vpc 60 Vpc 48 Vpc 60 Vpc 110 Vac 230 Vac max 180 Vpc 5W lt 2b W 113V 2V 173V 2V SHDSL ETSI TS 101 524 24 ITU T G 991 2 13 TC PAM 16 TC PAM 32 192 kbit s to 5696 kbit s per wire pairs 1x 10 100Base Tx Half Full Du plex Auto Negotiation Auto Crossover Double eurocard format 272 x 47 5 x 175 mm 5 55 C at 5 95 rel humidity Technical Description 4 4 QSTU termination unit Input voltage Plug in unit Desktop unit remote power Power consumption max with remote power supply 120V 50mA with remote power supply 120V 60mA With remote power supply Output voltage at 120 Vpc SHDSL interface Transmission technology Line code Payload Bitrate Dimensions Plug in unit Desktop unit B x H x T Temperature in operation Information ULAF V4 2 48 Vpc 60 Vpc 48 Vpc 60 Vpc 110 Vac 230 Vac max 120 Vpc 6W lt 37 W lt 42 W 1138 Vt2V SHDSL ETSI TS 101 524 24 ITU T G 991 2 13 TC PAM16 4x 192 kbit s to 2048 kbit s or 2x 384 kbit s
80. ge of 230 Vac is supplied to the desktop unit via a mains cable which is permanently connected to the unit As an alternative a voltage of 48 Vpc 60 Vpc can be supplied via a permanently connected battery cable The battery cable is also per manently screwed to the module for further information refer to the ULAF Installation Manual 1 Interface modules to the plug in units and desktop models CIS Ll EE IS E E E IE CS E E E E E EE oras pep Desktop unit Desktop unit Desktop unit Desktop unit Desktop unit Desktop unit meme es Yes ra re re Advanced Bridge amp Router Yes pasos sed Yes Yes Yes em wm e Pa pe ye vaw Yes perpe mw ree free Pr re i perpe pep pe pe 1 1 D 1 For specified variants only Tab 2 22 Use interface and submodules A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 9 1 Modules for the 2 Mbit s interface G 703 This slot can be equipped with the following interface submodules e HJ45 connector interface impedance 120 Q e Sub D connector interface impedance 120 Q e BNC connector interface impedance 75 Q e 1 5 5 6 connector interface impedance 75 Q These modules consist of a circuit board with two connectors and the mechanical fittings for attachment to the transmission module For details of the PIN assignment of the con nectors refer to the ULAF Installation M
81. gt 70 utili zation No alarm on all paths downed blinking 1 on or more paths downed LOS LFA V A red No alarm on Loss of signal at V blinking Loss of frame alignment at V LOS LFA V B red No alarm on Loss of signal at V blinking Loss of frame alignment at V LOS LFA V C red No alarm on Loss of signal at V blinking Loss of frame alignment at V LOS LFA V D red No alarm on Loss of signal at V blinking Loss of frame alignment at V Tab 2 14 Indicators and operating elements on the plug in unit GTUA A3118 X300 M100 2 7618 Information ULAF V4 2 Visual signalling of the Ethernet interface External operating el ements 2 6 5 3 Technical Description MAINT yellow No maintenance func on Loopback active traps deactivated BERT tion activated layer 2 switch test mode activated Alarm message depends of the configuration Tab 2 14 Indicators and operating elements on the plug in unit GTU4 A green and a yellow LED are integrated in the sockets of the four Ethernet interfaces 12345678 12345678 12345678 12345678 yellow green Fig 2 49 Visual signalling of the Ethernet interface Off Half Duplex On Full Duplex Blinking Collision with Half Duplex Off No connection no Traffic On Link Up Blinking Traffic Tab 2 15 Visual signalling of the Ethernet interface Using front mounted DIP switches you can e set the GTU4 s operating mode Tab 2 16 and e insert the loopback ene mem Configurat
82. he AccessIntegrator for other users It describes the tasks which must be performed in order to guarantee trouble free and reliable management of the network elements using the Accesslntegrator e User Manual UMN Intended for use by anyone who uses Accesslntegrators to monitor and maintain network elements A3118 X300 M100 2 7618 1 1 Technical Description 1 2 1 3 1 3 1 Headquarter Information ULAF V4 2 Target group and structure of this document The Technical Description is intended for use by technicians installation engineers and network specialists who are interested in gaining an overview of the benefits system re quirements and possible applications for the ULAF The topics covered in the Chapters following this Introduction include e Introduction and System components of ULAF Chapter 1 e Function of the system components Chapter 2 e Operation and monitoring Chapter 3 e Technical Data Chapter 4 e References Chapter 5 e Abbreviations Chapter 6 e Index Chapter 7 Application Scenarios High Speed Business Class Access Services ULAF is a modular system to provide Business Class Ethernet 2 Mbps and nx64 kbps services in the access network The transmission between central office equipment and subscriber modem is based on ETSI and ITU compliant SHDSL technology Supporting SHDSL bis standard transmission rates up to 5 696 kbps per copper wire pair are pos sible Internet Access Data
83. he up and down stream i e the system is synchronous The data and clock outputs on the NT are thus directly linked to the LT s transmitting clock By this means the wander at the data and clock outputs of the NT is significantly reduced The configuration is suitable for all applications which require a very high clock quality In addition the system latency time is shortened because in the synchronous mode the buffer sizes can be reduced Clock mode 3a can be used for all applications where it is possible to forego plesiochro nicity The following points must be noted when operating in the synchronous mode e Configuration requires an automatic restart of all the module s SHDSL links be cause the basis for the clock is reset e Inthe case of multi system modules T4ab is output on the NT as soon as the first of the SHDSL links for the module is in error free operation In each case the avail able wire pair with the lowest ordinal number is automatically selected e fno SHDSL link has synchronized up then no T4ab will be available Clock concept of the BSTU4 and GTUA The clock concept of the BSTU4 and the GTU4 is different to the rest of the devices of the ULAF family The BSTU4 and the GTU4 can be operated plesiochronously i e the clock master must not be identical in the transmission and receive directions In the following you will find various setting options for the clock in conjunction with the QSTU BSTU4 and
84. hernet Fw ld 633 IT be Ethernet Daten Ethernet Daten G 703C G 703D i 7 Ethernet Daten Ethernet Daten Fig 2 13 QSTU LT 4x BSTU NT 4x 1 wire pair mode A3118 X300 M100 2 7618 2 15 Technical Description Information ULAF V4 2 Fw ld 633 LT Ethernet Daten G 703A G 703B Ethernet Daten Fig 2 14 QSTU LT 2x BSTU NT 2x 2 wire pairs mode Fw ld 633 LT Fig 2 15 QSTU LT 2x BSTU NT 4x 1 wire pair mode Fw Id 633 Fw Id 633 QSTU Fig 2 16 QSTU LT QSTU NT 4x 1 wire pair mode 2 16 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 Fw Id 633 Fw Id 633 Fig 2 17 QSTU LT QSTU NT 2x 2 wire pairs mode Fw Id 633 Fw Id 633 Fig 2 18 QSTU LT QSTU NT 1x 4 wire pairs mode 2 4 1 2 QSTU with FW ID 649 The QSTU requires the FW ID 649 in combination with the BSTUA GTUA i In connection with a BSTU4 GTU4 you must always use the QSTU FW ID 649 on the LT side The QSTU FW ID 649 supports up to four regenerator stages BSRU per SHDSL wire pair LT Fw Id 649 i 10Base T Q ST U E 100Base Tx BSRU BSRU BSRU BSRU Bild 2 19 QSTU LT BSTUA NT 1 2 3 4 Adernpaar Betrieb A3118 X300 M100 2 7618 2 17 Technical Description 2 18 SHDSL SHDSL SHDSL 2 4 2 2 4 3 QSTU ec GTUA Information ULAF V4 2 The QSTU can also be operated as the configuration master together with the
85. his operating mode the signal is checked for the presence of a frame as per G 704 If the CRC4 option is enabled the signal quality is checked via CRC4 multiframe in bit 1 of the G 704 frame The bit rate including the G 704 frame is 2048 kbits s If the ter mination option is enabled the incoming G 704 frame is terminated and a new frame is generated The CRC4 values are thereby also recalculated In this operating mode the Sa bit signalling the maintenance functions and the alarm codes are checked and used as per ETS 300 233 The bit rate including the G 704 frame is 2048 kbits s This operating mode is used for flexible positioning of the Signalling Timeslot STS or if less than all the G 703 interface time slots are to be used The G 704 framing option must be configured to termination for the Mapped oper ating mode to be used since the content of the data stream is modified The following TS mapping options are possible e G 703 STS Position The position of the signalling timeslot STS at the G 703 interface of the LT and the NT can be selected as required here With STS mapping disabled all timeslots are handled identically apart from timeslot O TSO If a timeslot is selected this selection defines the position of the STS This is normally timeslot 16 TS16 If the remove STS gt option is disabled the STS is always transferred The signaling timeslot is not part of the subscriber bit rate of the
86. ical interface The optical transfer device has two four SFP slots whereby 155 Mbit s SFP modules must be used These are available in different variants from several manufacturers Data interfaces The BOTU can be equipped with additional data interface modules An overview of the population variants of the BOTU can be found in table Tab 2 17 Further information on the interface modules can be found in chapter 2 9 Technical Description 2 7 3 3 2 7 3 4 Information ULAF V4 2 G 703 interfaces The module has four independent G 703 subscriber interfaces The interfaces are built up identically The G 703 interface can be operated with 120 Q or 75 Q Impedance switchover is via LCT ACI and is separately configurable for each interface Connection with 75 Q is via a separately available adapter cable Ethernet interfaces The Ethernet interfaces of the BOTU have the following features e 10 100 Base Tx in accordance with IEEE 802 3u e Full Duplex Half Duplex e Auto negotiating in accordance with IEEE 802 3u for Full Half Duplex mode 10 100 Base Tx Flow Control e Automatic MDI MDI X Auto Cross Over Auto MDI MDI X enables the automatic adjustment of the transmission and recep tion line of a port i e on the connected Ethernet cable crossed or not crossed e The flow control mechanism controls the data rate between the terminal device and the ULAF modem by allowing the sender to only send as much data as
87. ination address for CRC Service functions Loopback circuits and CRC checksums can be used for fault localization Loopback curcuits are activated either by software command via the LCT for example or by means of switches With ISDN PRA the control command for activating the loop switching can be transferred from the ISDN exchange via Sa6 bits in the message word of the 2 Mbit s frame See chapter 1 14 5 for further information about loopback circuits A3118 X300 M100 2 7618 Information ULAF V4 2 2 7 5 2 7 5 1 2 7 5 2 otatus display Technical Description BOTU QOTU plug in unit Mechanical construction The plug in unit is implemented in double euro format The BOTU is equipped with a front panel for use in the subrack The BOTU QOTU is deliverable in various population variants see Tab 2 17 The front of the plug in unit incorporates e the display and operating elements e the subscriber interfaces and e the transmission interface SFP Slot Display and operating elements As a plug in unit the BOTU QOTU has 3 separate LEDs on the front 2 LEDs are inte grated into each of the connectors for the Ethernet and G 703 interface as well as the SFP slot Fig 2 59 Indicators and operating elements on the plug in unit Status On Blinking yellow No maintenance func on Loopback active traps deactivated BERT ac tivated layer 2 switch test mode activated blinking 1 Firmware on LT and NT are n
88. interfaces see Bandwidth Limiting in chapter 2 7 3 4 and the outflow speed of the data on the WAN interface E The Ethernet interfaces of the terminal devices must also support the Flow Control function VLAN Support IEEE 802 1Q The BOTU supports VLANs according IEEE 802 1Q 16 different VLANs can be identi fied and handled simultaneously based on the 12 bit VLAN identifier A3118 X300 M100 2 7618 2 53 Technical Description t D Q E 3 t m gt gt 1 1 un un un uid un tagged ewes 1 3 100 un tagged tagged oP lees DD AO A OEA ENE AAA ee ee CIE VLAN ID 400 Port 1 Member Port 2 Member Information ULAF V4 2 VLAN ID 100 VLAN ID 100 tj ME SS t ra S b Port 1 Fig 2 56 Example for VLAN support Corresponding VLAN filter table Port 3 Member Port 4 Member AN Member Port 1 Member Port 2 Member Port 4 Member WAN Member O 2 E 5 lt i gt 1 Tab 2 18 Example for VLAN support Q in Q IEEE 802 1ad Q in Q is known by various names such as Double VLAN tagging Double Tagging 802 1ad and Provider Bridge The IEEE 802 1ad provider bridge mode allows service providers to use a layer 2 tunnel Customers are able to route freely definable Ethernet traffic through this tunnel e g na tive frames VLAN etc The advantage of this standard is that the configuration of the network components need not be cha
89. ion Master Configuration Slave MCS loobpack inserted 1 Default setting Tab 2 16 Front mounted DIP switches of the GTUA Power supply Power is supplied to the QSTU via the backplane circuit board of the subrack The plug in unit is equipped with a DC DC converter and the input voltage is 48 Vpc 60 Vpc A3118 X300 M100 2 7618 2 47 Technical Description 2 6 6 2 6 6 1 2 6 6 2 2 6 6 3 Information ULAF V4 2 GTU4 desktop unit When the GTU4 is used in the desktop unit it is installed in a plastic casing The casing can also be wall mounted The overall dimensions are 175 mm x 272 mm x 47 mm The desktop unit can be used in the exchange as well as on the subscribers premises The possible operating modes are identical with those for the plug in unit see chapter 2 6 2 Mechanical construction The indicators and operating elements and the RS232 connection for the local LCT are located on the front panel Fig 2 50 Front panel of the desktop unit The four Ethernet interfaces the G 703 interfaces and the power supply connection are located on the rear panel An alarm and clock module for transferring a high quality clock signal and outputting alarms can optionally be installed f P P P M T LL Al Ju JE Al AL A Power 10 100 base T 6 703 E LA T Lo as Fig 2 51 Rear panel of the desktop unit Display and operating elements The visual signalling of the desktop unit is the same as
90. izing A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 e Link Aggregation Link aggregation LAG enables you to interconnect switch to switch applications used in parallel and therefore to increase the maximum data rate BSTU4 lets you bundle up to four BSTU4 BSTUA links so that you can transmit at up to 91 2 Mbit s over 16 wire pairs Fig 2 30 illustrates the application principle of Link Aggregation The ports con nected in parallel form a Port Channel The port that bundles the traffic of this chan nel is known as a Bond Port The Bond Port of the BSTU4 can be connected either to port P1 Bonded to Port 1 or to the rack port Bonded to Rack All other avail able switch ports including the WAN port are automatically assigned to this chan nel F N 91 2 Mbit s BSTU4 Y BSTUA Switch 1 22 8 Mbit s Ege 1 1 Eg A I I 1 BSTU4 pot 22 8 Mbit s a a l l l l BSTUA i l BSTU4 228Mbit s a S o P CCULLENN 1 1 I BSTU4 228 Mbit s BSTU4 Y Backbone COT N RT Fig 2 30 Example scheme of Link Aggregation Flow Control The flow control mechanism controls the data rate between the terminal device and the ULAF modem by allowing the sender to only send as much data as the transfer path can transport If this transport capacity is exceeded packets are discarded The following flow control mechanism are supported Back Pressu
91. lot 4 x G 703 Ethernet H612 B210 BOTU desktop 1 1 SFP slot 1 x G 703 Data J612 F111 BOTU plug in 1 1 SFP slot 4 x G 703 Ethernet J613 F110 QOTU plug in 4 SFP slot 4 x G 703 Tab 2 17 Population variants of the BOTU QOTU 8 6 X Oc O 1 1 1 1 1 1 4 4 1 4 4 The BOTU and the QOTU form a system family The QOTU is always used as the LT and can only be operated together with a BOTU with a slot for data modules You can operate the BOTU with a built in Ethernet switch together with a BOTU with Ethernet switch or a BOTU with a slot for data modules A3118 X300 M100 2 7618 2 49 Technical Description Information ULAF V4 2 The following operating modes are supported by the system family Bit transparent transmission with 2 Mbit s interfaces according to ITU T G 703 7 Frame structured transmission with 2 Mbit s interfaces according to ITU T G 704 8 ISDN Primary Rate access conforming ITU T 1 431 14 ETSI ETS 300 011 20 ETSI ETS 300 233 21 Connection of data equipment X 21 V 35 V 36 granularity nx64 kbit s 10 100Base Tx Advanced Bridge Advanced Bridge and Router Modul Mapped Mode The mapping of CAS and control lines as well as the transfer of timeslot O TSO can be flexibly configured in mapped mode to allow matching to the terminal device used G 703 LT data NT For transferring data services over 2Mbits s networks Ethernet for transferring Ethernet packets at 100Mbits s
92. mation ULAF V4 2 2 7 6 1 2 7 6 2 2 7 6 3 Technical Description Mechanical construction The BOTU desktop unit has a plastic housing The casing can also be wall mounted The overall dimensions are 175 mm x 272 mm x 47 mm The desktop unit can be used in the exchange as well as on the subscriber s premises The possible operating modes are identical with those for the plug in unit see chapter 2 7 2 SIEMENS y 10 100baseT SFP1 SFP2 Fig 2 61 Front and rear panel of the BOTU desktop unit Display and operating elements The visual signalling of the desktop unit is the same as for the plug in unit The LEDs of the G 703 and SHDSL interfaces are additionally fed to the front of the desktop unit The meaning of the LED is described in Tab 2 19 Power supply The following alternative types of power supply are available for the desktop unit e Local power supply with 230 Vac via a hard wired power supply cable e Local power supply with 48 Voc 60 Vpc via a battery connection cable The desktop unit is supplied as standard with 230 Vac via a power supply cable that is hard wired into the unit The unit can optionally be supplied with 48 Vpc 60 Vpc via a battery connection cable A3118 X300 M100 2 7618 2 59 Technical Description Information ULAF V4 2 2 8 G 703 termination unit GTU 2 8 1 Overview The termination unit GTU is a 2 Mbit s G 703 termination module which can be used in both the ULAF subrack and
93. modules to the plug in units and desktop models Chapter 2 9 Module for the clock and alarm interface Chapter 2 9 3 and SHDSL regenerator BSRU Chapter 2 10 ULAF subrack Overview The subrack accepts plug in units in double eurocard format Slot O is reserved for the OMI SNMP in each case The remaining 16 slots can be equipped with either BSTU QSTU BSTU4 GTU4 BOTU QOTU or GTU transmission units POWER 1 SYNC E RBUS 1200 OUT E ea 48V 20A A E 60V 15A EA Cea F2 A3118 X300 M100 2 7618 POWER 2 SYNC 750 Owaint O O Rx Omant c TN AC 7 pe 9 ad 19 B B 10 1O B 4 D O Ovanr Omant Onmanr gs ege CS EN siv SOT SIV SO1 SIV SOT SIV SOI SHDSL U SHDSL U SHDSL U SHDSL U E EX OI yard EA Em jj EJ SIEMENS SIEMENS SIEMENS SIEMENS Technical Description The backplane circuit board Timing pulse injection Cascading via the OMI bus A Addressing Information ULAF V4 2 The ULAF subrack can be used at the exchange as well as at the subscriber side The backplane circuit board e supplies the timing pulse e delivers the 48 Vpc 60 Vpc supply voltage to the termination plug in unit e links the termination plug in units with the OMI SNMP The timing pulse is injected via a BNC female connector with an input impedance of 75 Q or via a RJ45 connector with an input impedance of 120 Q For further details of the ULAF timing concept see Chapter 1 12 One O
94. n 802 1d provider bridge topology are given below When the Customer Frame arrives at the provider bridge it can have one or more VLAN tags In the example below the frame has one VLAN tag C VLAN A further tag is added at the port input of the provider Configuration of the provider VLAN ID and the provider Ethertype is performed by the BSTU4 0x8100 0x9100 0x9200 Fig 2 31 Frame format of 802 1ad Provider Tagged Frames 3 Ai BSTUA NT ARA ign l ER sth JP E BSTU4 LT Metro P VLAN Provider VLAN pp Fig 2 32 Example of a 802 1ad Provider VLAN topology Class of Service Network service providers accommodate quality of service to their customers through a service contract which is called service level agreement SLA Classes of Service CoS describe the set of features and other characteristics associated with a specific service level Thus it must be possible to distinguish between traffic classes and ensure that traffic belonging to a certain class is treated according to the features of this class A3118 X300 M100 2 7618 2 31 Technical Description 2 5 3 3 2 5 3 4 Information ULAF V4 2 The BSTU4 has four queues per interface to enable network providers to deliver and gu arantee these Classes of Services The following prioritization algorithms are available WFQ Weighted fair queueing The queues of the se
95. n Technical Description ULAF V4 2 2 4 5 2 Display and operating elements Eleven LEDs for operation and monitoring are located on the front panel see Fig 2 23 lw inl 1 OSLER TWAT Red wm EN OSLER TVET mer Roser ECN E A EEN E A EEN E mer E EEN E mer EEN E mer EN E fres iom EEN MAINT Yellow No maintenance function on Loopback active traps deactivated BERT activated layer 2 switch test mode activated blinking 1 Firmware on LT and NT are not compatible or configuration is not supported by NT 1 Visual signalling according Fig 2 22 2 Alarm message depends of the configuration made with the LCT 3 The continuous flashing shows the non successful training Tab 2 8 X Visual indications on the desktop unit The internal operating elements are the same as those on the plug in unit see Chapter 2 4 4 2 DIP switches located on the front panel can be used to make the following adjustments on the desktop unit e Insertion of Loopback 1 3a e Insertion of Loopback 2b 2bR NT LT For details of the DIP switch settings refer to the ULAF Installation Manual 1 A3118 X300 M100 2 7618 2 23 Technical Description 2 4 5 3 2 9 2 5 1 Information ULAF V4 2 Power supply The following alternative types of power supply are available for the desktop unit e Local power supply with 110 Vac 230 Vac via a permanently connected mains cable e Local power supply with 48 Vpc 60 Vpc via a permanently
96. n possibilities using DIP switches depend on the QSTU s FW ID Below QSTU are the settings for all systems e QSTU with FW ID 633 Use as LT or as NT Current limitation 50 mA 60 mA for the RPS Switch over from normal operation to PSD test mode SHDSL No Retraining e QSTU with FW ID 649 Current limitation 50 mA 60 mA for the RPS Switch over from normal operation to PSD test mode SHDSL No Retraining External operating el From the front side accessible DIP switch on the QSTU can be used to insert either ements e one Loopback 1 3a or alternatively e one Loopback 2bR The loopbacks are each set up for the complete system For details of the settings using the internal and external operating elements refer to the ULAF Installation Manual 1 2 4 4 3 Power supply Power is supplied to the QSTU via the backplane circuit board of the subrack The plug in unit is equipped with a DC DC converter and the input voltage is 48 Vpc 60 Vpc 2 4 4 4 QSTU remote power supply The QSTU plug in unit can be used with an integrated remote power feeding circuit This enables the remote feeding of a desktop unit or regenerators The supply voltage is 120 V the adjustable current is either 50 mA or 60 mA each wire pair Settings are made via DIP switch on the QSTU Detailed information on the DIP switch es can be found in the ULAF Installation Manual 1 Monitoring A monitoring circuit controls the voltage and the c
97. nchron Up and Down QSTU FW ID 633 649 BSTU stream BSTU4 BSRU Tab 1 3 SHDSL clock concept 1 18 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 Application Function _ COT SHDSL SHDSL Core Function Core Function Receive Symbol Clock V3 N b Transmit Symbol Clock Embedded Po Embedded Clock Mode Clock Mode T3an Local Oscillator 4 T4ab Network Reference Clock SHDSL Fig 1 22 ULAF SHDSL clock concept Fig 1 22 shows the clock concept for the ULAF SHDSL modules The diagram shows the two functional blocks Application Function and SHDSL Core Function For all the transmission modules the clock source can be set with the configuration Clock Priority It must be noted here that this is a setting in the Application Function i e the clock data and data items are adjusted to the SHDSL frame by means of a stop method exception SHDSL Clock Mode 3a The SHDSL clock settings are used to select the clock configuration for the SHDSL Core Function in Fig 1 4 In doing this the following clock masters are available de pending on the module see Tab 1 3 SHDSL Clock Mode 1 Plesiochronous The clock for the SHDSL link is derived from a Local Oscillator and is thus independent of the application clock The data items are introduced into the SHDSL frame in the up and down stream direc
98. nd signalling llle 2 69 Operation and monitoring 3 1 AGCeSSIDIegraltor o a o ORE 3 2 Operation via LCT 0 0 0 0 eee 3 3 A3118 X300 M100 2 7618 Information ULAF V4 2 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 A3118 X300 M100 2 7618 Technical Description Technical Data 4 1 Subracks 83105 B128 C211 L elles 4 1 OMI SNMP Operating and Maintenance Module 4 2 BSTU termination unit e II 4 3 QSTU termination unit e 4 4 BSTUA termination unit e hh 4 5 GTUA termination unit seee ee eee 4 6 BOTU QOTU termination unit seen 4 7 GTUA termination unit seee ee ee eee 4 8 2 wire pairs SHDSL Regenerator BSRU 4 9 References AP 1 AbbreviatiOnsS ccc a AP 3 NAEH uos scie ERI O Mo a ac a dc oa a AP 5 AD 9 Technical Description Information ULAF V4 2 AD 10 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 1 Introduction This Chapter provides an overview of the ULAF system and the available customer documentation with explanations of the structure and use of this documentation 1 1 Documentation overview The ULAF customer documentation comprises the following manuals e Technical Desc
99. nected at the same time to the terminal side The data of the nx64 kbit s interface is inserted into the unoccupied time slots of the fractional E1 signal in such cases Fig 1 5 shows a typical application of the GTU as an interface converter GTU Fig 1 5 Interface converter application A3118 X300 M100 2 7618 1 9 Technical Description Information ULAF V4 2 1 8 2 NT1 Z function for transparent 2 Mbit s links The GTU can also be used as an ISDN PRA termination ETSI ETS 300 233 21 for transparent 2 Mbit s links It completely replaces the function of the NT1 Z module Fig 1 6 shows a typical application of the GTU as an interface converter di Y T i gt 2 Mbit s link q POP GTU a b or ISDN BA m j HH Bg Fig 1 6 Application NT1 Z function 1 8 3 GTU remote The GTU can be configured as master slave In GTU remote mode the GTU reports triggered alarms via the free Sabits Sa7 and Sa8 To use a GTU in remote mode the plug in must be configured with appropriate DIP switches see the ULAF Installation Manual for this 1 Fig 1 7 shows a possible case of using a GTU remote 1 I I 9 wow S AT DS Router GTU master Of SDH TDM or 2 Mbit s Leased Line Network Fig 1 7 Application GTU remote 1 10 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 1 8 4 Inband management for AccessIntegrator If a site does
100. nged even if the network topology is modified The reason is that in contrast to the P VLAN frame format the 802 1Q frame format has re mained unchanged and backward compatibility to existing 802 1Q networks is therefore guaranteed With Double Tagging a distinction is made between Customer Ports and Provider Ports Specific Ethertype values can be defined for Provider Ports The values serve to differentiate between Provider Tagged Frames and normal Tagged Frames A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 Provider Ports send Double Tagged Frames if Single Tagged Frames arrive at the Customer Port However if untagged frames arrive at the Customer Port the Provid er Port sends single tagged frames but uses the configurable Ethertype An example of an 802 1ad frame format with Tagged Frames and an example of an 802 1d provider bridge topology are given below When the Customer Frame arrives at the provider bridge it can have one or more VLAN tags In the example below the frame has one VLAN tag C VLAN A further tag is added at the port input of the provider Configuration of the provider VLAN ID and the provider Ethertype is performed by the BOTU 0x8100 0x9100 FCS 0x9200 Fig 2 57 Frame format of 802 1ad Provider Tagged Frames BOTU NT ea aie A dis i E plis E BOTU LT 1 BOTU LT
101. nger use the data interface BSTU BSTU System A System A Ethernet 8 gt System B System B Fig 2 7 Ethernet interface assigned to System A The operating modes of the BSTU in conjunction with the QSTU are described in chap ter 2 4 1 1 Interfaces of the BSTU SHDSL interface s Depending on the equipment variant the BSTU is fitted with one or two SHDSL inter faces The interfaces support the extended SHDSL standards ETSI Annex E and ITU Annex G so that in a BSTU BSTU application bitrates of up to 5696 kbit s per wire pair can be achieved G 703 interfaces The BSTU has two independent G 703 subscriber interfaces These interfaces are of identical design The G 703 interface can be operated at 120 Q or 75 Q The impedance switchover is effected by LCT Acl and is individually configurable for each interface In the 75 case connection is made via an adapter cable which can be purchased separately A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 3 3 3 Ethernet interface The Ethernet interface of the BSTU has the following features e 10 100 Base Tx in accordance with IEEE 802 3u e Full Duplex Half Duplex With Half Duplex as opposed to Full Duplex simultaneous sending and receiving is not possible e Auto negotiating in accordance with IEEE 802 3u for Full Half Duplex mode 10 100 Base Tx Flow Control e Automatic MDI MDI X Auto MDI MDI X enables the
102. nning tree or link aggregation to react faster to a connection inter rupt A connection interrupt is indicated via LFP alarm for all connected Ethernet interfaces 2 7 3 5 LCT interface The desktop unit variant is equipped with an RJ45 connector RS232 on the front for connecting the LCT 2 7 3 6 Clock interface The desktop units are equipped with a BNC 75 Q clock interface This interface is con figured on the LT as a clock input and on the NT as a clock output 2 7 3 7 Layer 2 Switch The Ethernet switch of the BOTU has the following features e Store and forward switch The Ethernet packets are checked completely before they are forwarded to the des tination address e Non blocking All Ethernet interfaces can be processed with full line speed e Wire speed address learning MAC addresses can be learnt with full line speed e Upto 1024 MAC addresses can be administered e The Aging time of the MAC table is 300 seconds e Broadcast storm protection The forwarding of Broadcast packets is limited to max 5 of the data rate e Ethernet Frame Size Packets of up to 1518 bytes are supported by default or 1522 bytes incl VLAN e Oversized Frames Option For Ethernet frames that do not comply with standards you can optionally increase the maximum packet size to 2048 bytes This setting is the same for all ports Flow Control Flow Control depends on the bandwidth limitation on the individual Ethernet
103. nt circuit the maximum load is 60 V 0 2 A If the alarm current circuit incorporates a ground connection the maximum load is 100 V 0 2 A The alarm contacts are isolated from the remainder of the circuit by means of operational insulation The alarm outputs are routed to an RJ45 connector on the backplane circuit board Subrack version The OMI SNMP is automatically notified via the Subrack version input of the version and address of the subrack OMI bus The OMI bus links the management plug in unit with the termination plug in unit in the other subracks cascading The signal level conforms to Standard V 11 The bit rate is 38 4 kbit s The precise contact PIN assignment for the interfaces is described in the ULAF Instal lation Manual 1 2 2 4 Power supply Supply Power is supplied to the OMI SNMP via the backplane circuit board of the subrack The supply consists of a non grounded voltage on 48 Vpc 60 Voc Supply failure If the voltage at one of the supply inputs is less than 40 V the OMI SNMP emits a non urgent alarm In the event of a total failure of the supply it emits an urgent alarm 2 3 BSTU termination unit 2 3 1 Overview The BSTU termination unit is an universal SHDSL module for 1 or 2 wire pair connec tions The latest SHDSL transmission technology permits high bandwidths and the max imum range in the access network The BSTU supports SHDSL bitrates of 192 kbit s 5696 kbit s per wire pair Variant
104. ocol Label Switching Mobile Switching Center Near End Cross Talk Network Management System Network Termination Unit Over Current Operating and Maintenance Interface unit Power Back Off Pseudo Random Bit Sequence Plain Old Telephone System Priority Queuing Primary Rate Access Power Spectrum Density Public Wireless Local Area Network Network Termination Unit QSTU Hemote Power Supply Remote Terminal Synchronous Digital Hierarchy Single pair High Speed Digital Subscriber Simple Network Management Protocol Signalling Time Slot Trellis Coded Pulse Amplitude Modulation Time Division Multiplex Telecommunications Management Network Time Slot Under Current Universal Line Equipment Access Family Unbalanced Very High Speed Digital Subscriber Line Virtual Local Area Network Wide Area Network Weighted Fairness Queuing Information ULAF V4 2 A3118 X300 M100 2 7618 Information ULAF V4 2 7 Index Numerics 10Base T Ethernet interface 2 4 OMI SNMP 2 4 A Accessintegrator Network Management 3 2 Platform 3 2 Add Drop mode 1 13 Add Top 2 6 Addressing 2 2 B Backplane circuit board 2 2 BERT BSTUA BSTUA 1 42 BSTU BSTU 1 41 GTUA 1 42 GTUA GTU4 Strecke 1 43 QSTU BSTU 1 41 QSTU BSTUA 1 41 BOTU Data nx64 kbit s 1 29 G 703 LT Data NT 1 30 ISDN PRA 1 29 Mapped Mode 1 29 Servicefunktionen 2 56 Status display 2 57 Structured mode 2 Mbit s G 704 1 29 Transparent 2 Mbit s G 703 1 29 BSTU Add Top
105. ode i Add Drop cannot be used in ISDN Primary Rate Access mode 1 9 4 Add Top mode Add Top is an additional function for the following modes of operation e Transparent 2 Mbit s G 703 e Structured 2 Mbit s G 703 e SDN PRA e Mapped The Add Top function replaces the Add Drop mode with use of the BSTU With Add Top additional data of the V 35 V 36 X 21 or Ethernet interfaces is transmit ted in addition of the G 703 interface Add Top is automatically switched as soon as the data interface of the LT and the NT is activated in one of the four modes mentioned above A3118 X300 M100 2 7618 1 13 Technical Description Information ULAF V4 2 The maximum data rate is 5696 kbit s for a 1 wire pair system and 11392 kbit s for a 2 wire pair system whereby the data rate for the V 35 V 36 or X 21 interface is restricted to 4608 kbit s G 703 6 703 4 V 35 V 36 X 21 Ethernet V 35 V 36 X 21 Ethernet Fig 1 14 Add Top Example 1 SHDSL Mapping Add Top mode with Transparent 2 Mbit s G 703 Subscriber Bitrate _ Data Interface Payload Bitrate Fig 1 15 Example 1 SHDSL Mapping Add Top mode with Transparent 2 Mbit s Subscriber Bitrate at G 703 2048 kbit s Bitrate at Data interface 1024 kbit s SHDSL Payload Bitrate 3072 kbit s 2048 kbit s 32TS 1024 kbit s 16TS 1 14 A3118 X300 M100 2 7618 Information Technical Descri
106. on be equipped with an alarm and clock module which are available separately A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 Chapter 2 4 4 describes the use of the QSTU as plug in unit chapter 2 4 5 describes the use as desktop unit 2 4 1 1 QSTU with FW ID 633 The QSTU with the FW ID 633 QSTU QSTU QSTU BSTU can be operated in three different system configurations Settings are made via LCT a Four 1 wire pair SHDSL systems which are independent of each other The payload bitrate is configurable in the range 192 kbit s 2048 kbit s b Two 2 wire pair SHDSL systems which are independent of each other The payload bitrate is configurable in the range 384 kbit s 2048 kbit s c One4 wire pair SHDSL system QSTU QSTU only The payload bitrate is configurable in the range 768 kbit s 2048 kbit s The QSTU FW ID 633 supports up to four regenerator stages SRU per SHDSL wire pair E In combination with the BSTU the QSTU FW ID 633 must always be used on the LT side The following operating modes are supported by the QSTU e Bit transparent transmission with 2 Mbit s interfaces conforming to ITU T G 703 7 e Frame structured transmission with 2 Mbit s interfaces conforming to ITU T G 704 8 e ISDN Primary Rate access conforming to ITU T 1 431 14 ETSI ETS 300 011 20 ETSI ETS 300 233 21 e Connection of data equipment X 21 V 35 V 36 granularity nx64 kbit s 10 100Base Tx Et
107. op unit with remote power supply e Local power supply with 48 Vpc or 60 Voc permitted range 40 72 Vpc e Local power supply with the external power brick SNP A08T S permitted range 40 72 Vpc e Redundancy feeding local power supply via external power brick SNP A08T S and in case of breakdown via battery cable C107 A214 C734 Monitoring and alarming of the desktop unit with remote feed corresponds to that of the plug in module see chapter 2 5 5 4 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 6 Ethernet over TDM Inverse Multiplexer GTU4 2 6 1 Overview The Ethernet via TDM Inverse Multiplexer GTU4 enables the transfer of up to 8 Mbit s via four E1 channels The GTU4 has a 4 port self learning VLAN transparent layer 2 switch With the use of the GTU4 you can extend existing SDH networks with Ethernet interfaces or connect LANs with one another The GTU4 is available as e plug in unit or as e desktop unit You can use the GTU4 either together with another GTU4 or via an SDH network on a QSTU BSTU4 line The following modes of operation are possible with use of the GTUA e Ethernet Ethernet connection GTUA TDM GTU4 e TDM Ethernet connection QSTU TDM GTU4 The GTU4 supports the following networks e Bit transparent transmission with 1 4x 2 Mbit s conforming to ITU T G 703 7 e Frame structured transmission with 1 4x 2 Mbit s conforming to ITU T G 704 8 e Frame structu
108. or with a QSTU LT see chap ter 2 5 2 The following modes of operation are possible with use of the BSTU4 e Ethernet Ethernet connection BSTU4 BSTUA e TDM Ethernet connection QSTU BSTU4 Together with the QSTU the BSTU4 supports the following networks e Bit transparent transmission with 1 4x 2 Mbit s conforming to ITU T G 703 7 e Frame structured transmission with 1 4x 2 Mbit s conforming to ITU T G 704 8 e Frame structured transmission with 1 4x 64 kbit s 1984 kbit s Fractional E1 The configuration incl Ethernet interfaces is made either via LCT or via TMN Further information on the configuration can be found in the corresponding user manuals A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 2 5 2 Modes of operation of BSTU4 This chapter describes the BSTUA s modes of operation The following types of use are possible e BSTU4 LT BSTU4 NT e QSTU LT BSTU4 NT BSRU BSRU BSRU BSRU 10Base T 100Base Tx 10Base T 100Base Tx BSRU BSRU BSRU BSRU Fig 2 225 BSTU4 LT BSTU4 NT 1 2 3 4 wire pairs 10Base T 100Base Tx BSRU BSRU BSRU BSRU Fig 2 26 QSTU LT BSTU4 NT 1 2 3 4 wire pairs In QSTU BSTU4 GTU4 connections you must always use the QSTU on the LT side i Each QSTU is delivered with two different firmware variants Depending on the use you must activate the corresponding firmware using Bank Switch see ULAF Us
109. ot com patible or configuration is not supported by NT G 703 A D No alarm on LOS LOS blinking LFA 1 1 Visual signalling according Fig 2 60 2 The priority of the alarm message urgent not urgent can be configured in the LCT Tab 2 19 Visual signalling of the plug in unit BOTU QOTU A3118 X300 M100 2 7618 2 57 Technical Description 2 7 5 3 2 7 6 Information ULAF V4 2 Status LED Color On Blinking G 703 A D yellow No alarm AIS AIS 10 100BT green No connection on Link Up P1 3 Aux No traffic blinking Traffic yellow Half Duplex on Full Duplex blinking Collision bei Half Duplex mE red No alarm on LOS blinking LFA SFP1 4 yellow No alarm on No SFP ALARM blinking Invalid SFP 7 blinking Tx Fault Visual signalling according Fig 2 60 5 The priority of the alarm message urgent not urgent can be configured in the LCT Tab 2 19 Visual signalling of the plug in unit BOTU QOTU No SFP On Off 200 mS Invalid SFP On LFA Off 200 mS 1 Sec On Tx Fault Off 1 Sec Fig 2 60 Visual signalling of the BOTU QOTU Power supply Power is supplied to the BOTU QOUT via the backplane circuit board of the subrack The plug in unit is equipped with a DC DC converter and the input voltage is 48 Vpc 60 Voc BOTU desktop unit The indicators and operating elements and the RS232 connection for the local LCT are located on the front panel A3118 X300 M100 2 7618 Infor
110. ower saving mode The Ethernet interfaces can be switched on or off separately to reduce the power consumption Link Failure Propagation Link Failure Propagation LFP disables the ports on the switch if the synchroniza tion is lost on the U interface This allows devices connected to the BSTU4 such as a switch with spanning tree or link aggregation to react faster to a connection in terrupt A connection interrupt is indicated via LFP alarm for all connected Ethernet interfaces 2 5 3 2 Layer 2 Switch The Ethernet switch of the BSTUA has the following features Store and forward switch The Ethernet packets are checked completely before they are forwarded to the des tination address Non blocking All Ethernet interfaces can be processed with full line speed Wire speed address learning MAC addresses can be learnt with full line speed Up to 1024 MAC addresses can be administered The Aging time is 300 seconds Broadcast storm protection The forwarding of Broadcast packets is limited to max 5 of the data rate Ethernet Frame Size Packets of up to 1518 bytes are supported by default or 1522 bytes incl VLAN Oversized Frames Option For Ethernet frames that do not comply with standards you can optionally increase the maximum packet size to 2048 bytes This setting is the same for all ports Packet counters are available for all Ethernet interfaces to facilitate error local
111. ower supply there is also a socket for con necting the battery cable C107 A214 C734 or adapter SNP AO8T S A POWER 48 60VDC P1 P2 P3 P4 aL IL JL Jb E dl C CLOCK SHDSL U I MT 10 100baseT Fig 2 38 Hear panel of the desktop unit with remote power supply A3118 X300 M100 2 7618 2 37 Technical Description 2 5 6 2 Visual signalling of the Ethernet interfaces 2 5 6 3 2 5 6 4 Information ULAF V4 2 Display and operating elements One green and one yellow LED is integrated in each of the four Ethernet port interfaces P1 P2 P3 P4 on the rear of the desktop device 12345678 12345678 12345678 12345678 yellow green Fig 2 39 Visual signalling of the Ethernet interfaces The visual signalling of the desktop unit is the same as for the plug in unit The meaning of the LED is described in Tab 2 10 Power supply of the desktop unit without remote power supply The following alternative types of power supply are available for the desktop unit without remote power supply e Local power supply with 110 Vac or 230 Vac permitted range 95 260 Vac e Local power supply with 48 Vpc or 60 Vpc permitted range 40 72 Vpc e Remote power supply via the SHDSL interface 120 Vac e Redundancy feeding local power supply and in case of breakdown remotely fed Power supply of the desktop unit with remote power supply The following alternative types of power supply are available for the deskt
112. parameters R C L G e the payload bitrate of each wire pair e type and level of the surrounding noise e the level of the transmitted signal adjustable by the PBO Power Back Off e type of modulation TC PAM 16 TC PAM 32 Cable parameters The cable parameters are defined in a first approach by the diameter of the copper wire and the insulation material used in the cable Also the space between the conductors and the wire twisting have a strong impact on the cable characteristics The parameters H C L G are dependent on the frequency and temperature Considering the param eters one can estimate the attenuation as a function of the frequency The cable parameters for the standardized cables as simulated in the cable simulator are defined in ITU T G 991 2 13 and ETSI ETS 101 524 24 In practice those values can be investigated on the real cable with the use of special cable tester A3118 X300 M100 2 7618 Do Technical Description Payload bitrate Noise level and type Transmission level Information ULAF V4 2 The payload bitrate per wire pair depends on the termination unit used The payload bi trate of each wire pair can be adjusted from 192 kbit s to 5696 kbit s in 64 kbit s steps according to the application requirements As a course value for orientation one can assume that the maximum transmission dis tance varies inversely with the square root of the payload bitrate variation Example Lowe
113. parate ports are processed accordingly in the ratio 8 4 2 1 where the queue with the lowest priority can use 1 15 of the available bandwidth PQ Strict The queues with lower priority are only processed after the queues with higher priority have been fully processed Traffic policing at the Ethernet interface The data flow of the individual inbound interfaces can be restricted with the following granularity e in 64 kbit s steps from 64 kbit s to 1 Mbit s e in 1 Mbit s steps upwards of 2 Mbit s The captured bytes correspond to the standard layer 2Bytes Ethernet frame of the des tination address for CRC Channel Bundling In this function the Ethernet packets are packed in HDLC and divided over the available number of transfer channels Inverse Multiplexing The following features are realized with the help of the proprietary patented multi channel synchronization algorithm MCS e Efficient inverse multiplexing with less than 3 overhead with 4x 2 Mbit s e Bundling of 1 4 TDM channels e Bundling of 1 4 SHDSL channels up to 4x 5696 kbit s e Individually configurable bit rates for each transfer channel e Resilience With the failure of one or more channels the transfer continues to be made via the functioning channels If the downed channel is available again the data rate is in creased again accordingly e Resilience functions independently in the transmission and reception directions e Different latency times
114. possible Auto negotiating in accordance with IEEE 802 3u for Full Half Duplex mode 10 100 Base Tx Flow Control Automatic MDI MDI X Auto MDI MDI X enables the automatic adjustment of the transmission and recep tion line of a port i e on the connected Ethernet cable crossed or not crossed and the configuration of the opposite terminal Flow Control n Full Duplex operation Pause Frames are sent in accordance with IEEE 802 3x n Half Duplex operation the back pressure procedure is applied Bandwidth limiting The maximum input data rate of each Ethernet interface can be limited in steps of 32 kbit s policing Link status information Link up 10 100 Base Tx Full Duplex Half Duplex is avail able for each Ethernet interface A3118 X300 M100 2 7618 Information ULAF V4 2 Technical Description 2 6 3 2 Layer 2 Switch The Ethernet switch of the GTU4 has the following features Store and forward switch The Ethernet packets are checked completely before they are forwarded to the des tination address Non blocking All Ethernet interfaces can be processed with full line speed Wire speed address learning MAC addresses can be learnt with full line speed Up to 1024 MAC addresses can be administered The Aging time is 300 seconds Broadcast storm protection The forwarding of Broadcast packets is limited to max 1 of the data rate Ethernet Frame Size
115. pt the following interface modules e G 703 interface e Data or Ethernet interface 10 100Base Tx e Clock and alarm interface for desktop units only You will find the interface modules in Chap 2 9 2 8 8 Service functions For fault tracing various loopback circuits can be used Loopback circuits are triggered by a software command e g via the LCT or using switches The control command to activate the loopback circuit can be transferred from the ISDN exchange in NT1 mode using Sa6 bits in the service word of the 2 Mbit s frame See Chapter 1 14 6 for further information about loopback circuits 2 8 4 Using the GTU as a plug in unit 2 8 41 Mechanical construction The plug in unit is produced to double eurocard format The GTU is equipped with a front panel for insertion into the subrack The front of the plug in unit incorporates e the display and operating elements e the subscriber interface and e transmission interface A3118 X300 M100 2 7618 2 61 Technical Description 2 8 4 2 2 8 4 3 2 8 5 Information ULAF V4 2 Indicators and operating elements When the GTU is inserted into subrack the operating state and the alarm signalling are indicated by one green two red and three yellow LEDs LED Green LED Red LED Red LED Yellow LED Yellow LED Yellow Loopback switch Fig 2 63 Indicators and operating elements on the plug in unit No power supply Power supply OK LOS LFA T Red Noalarm
116. ption ULAF V4 2 Example 2 SHDSL Mapping Add Top mode with Structured 2 Mbit s G 704 G 703 LT 5 A E eee 31 1 SHDSL 1 31 G 703 NT P nee RETE ET E EI ER E eee 1 31 iso G 703 Subscriber Bitrate Data Interface Payload Bitrate Fig 1 16 Example 2 SHDSL Mapping Add Top mode with Structured 2 Mbit s G 704 Subscriber Bitrate at G 703 1984 kbit s Transmit TSO Enabled Bitrate at Data interface 2048 kbit s SHDSL Payload Bitrate 4096 kbit s 1984 kbit s 81TS 64 kbit s TSO 2048 kbit s 32TS Example 3 SHDSL Mapping Add Top mode with Mapped Mode G 703 LT B TSO End to End Signalling L G 703 Subscriber Bitrate STS Data Interface Payload Bitrate Fig 1 17 Example 3 SHDSL Mapping Add Top mode with Mapped Mode Subscriber Bitrate an G 703 704 kbit s G 703 STS Position TS16 Remove STS Disabled End to End Signalling Fast Transmit TSO Enabled Bitrate at Data interface 2048 kbit s SHDSL Payload Bitrate 2880 kbit s 704 kbit s 11TS 64 kbit s STS 2048 kbit s 32TS 64 kbit s 1TS A3118 X300 M100 2 7618 1 15 Technical Description 1 10 4 Port Ethernet 1 16 Information ULAF V4 2 TDM Ethernet mode This mode of operation is always used when you want to transmit data rates gt 2 Mbit s via a TDM network The Multi Channel Synchronization MCS procedure enables up to four E1 to be us
117. quipment installed in a telecommunications centre to overvoltages and overcurrents ITU T Recommendation K 21 Protection against Interference Resistibility of subscribers terminals to overvoltages and overcurrents ITU T Recommendation K 50 Safe limits of operating voltages and currents for tele communication systems powered over the network ITU T Recommendation K 51 Safety criteria for telecommunication equipment ETSI ETS 300 011 Integrated Services Digital Network ISDN Primary Rate User Network Interface UNI Part 1 Layer 1 specification ETSI ETS 300 233 Integrated Services Digital Network ISDN Access digital section for ISDN primary rate ETSI ETS 300 386 Equipment Engineering EE Public telecommunication network equipment Electro Magnetic Compatibility EMC requirements Part 1 Product family overview compliance criteria and test levels ETSI ETS 135 Transmission and Multiplexing TM High bit rate digital Subscriber Line HDSL transmission system on metallic local lines HDSL core specification and applications for combined ISDN BA and 2048 kbit s transmission ETSI TS 101 524 Symmetric single pair high bit rate digital subscriber line SDSL transmission system on metallic local lines A3118 X300 M100 2 7618 Information ULAF V4 2 6 Abbreviations ABAR AIS BER BERT BOTU BRAS BSC BSRU BSTU BSTU4 BTS CM CoS COT CRC CS DCE DCN DSLAM DTE ES ETSI FEXT FW GSM GTU GTU4 IP
118. r Bitrate at G 703 2048 kbit s SHDSL Payload Bitrate 2048 kbit s 2048 kbit s 32 TS In this operating mode the signal is checked for the presence of a frame in accordance with G 704 If the option CRC4 is enabled the signal quality is checked by means of CRCA multiframe in bit 1 of the G 704 frame The bitrate including the G 704 frame is 2048 kbit s If the Termination option is enabled the incoming G 704 frame is terminated and a new frame generated In doing this the CRC4 values are also recalculated B so El G 703 Subscriber Bitrate Fig 1 27 SHDSL Mapping Structured 2 Mbit s G 704 and ISDN PRA Mode Subscriber Bitrate at G 703 1984 kbit s 31 TS SHDSL Payload Bitrate 2048 kbit s 32 TS In this operating mode the Sa bit signalling the maintenance functions and the alarm codes are checked and set in accordance with ETS 300 233 The bitrate including the G 704 frame is 2048 kbit s This operating mode is used if it is not required to transmit the full 2048 kbit s bitrate of the G 703 interface over the SHDSL interface To increase the transmission range the SHDSL links are started up at the minimum possible bitrate 2 192 kbit s Trading Speed for Distance For the Mapped operating mode to function the option G 704 Framing must be con figured as Termination because the content of the data stream is altered A3118 X300 M100 2 7618 1 23 Technical Description 1 24 Inform
119. r SHDSL interfaces and regenerates the attenuated and distort ed incoming signals The interfaces support the extended SHDSL standards ETSI An nex E and ITU Annex G so that in the case of a BSTU BSTU application bitrates of up to 5696 kbit s per wire pair can be achieved Powering of the BSRU The following possibilities are available for supplying power to a BSRU e remote supply from the LT or NT side e through transmission of a remote supply e local remote supply via a separate wire pair see ULAF Installation Manual 1 e Locally via separate cable terminals The maximum remote supply voltage is 180 Vpc the maximum for local supply is 120 Voc The range of a local power supply voltage is 40 Vpc 120 Voc The power supply is configured via an externally accessible DIP switch A3118 X300 M100 2 7618 2 67 Technical Description Information ULAF V4 2 Three examples of applications of the BSRU are listed below e Remote power supply of the BSRUs from the LT Feeding from COT ON ON Feeding from RT OFF OFF Power Through ON OFF LT BSTU with RPS BSTU Remote feeding from COT side or from RT side 3 Fig 2 68 Example of configuration remote power supply of the BSRUs from the LT e Remote power supply of the BSRU and the NT Feeding from COT ON Feeding from RT OFF Power Through ON LT BSTU with RPS E O O O C 1LLAALLAALLALLLALALLLLLAALLALLZAZIXEAS emote feeding from COT side
120. re Flow Control in half duplex mode Creating Pause Frames in full duplex Mode Flow control must be enabled on both the terminal device and ULAF to allow the flow i control to function VLAN Support IEEE 802 1Q The BSTU4 supports VLANs according IEEE 802 1Q 16 different VLANs can be iden tified and handled simultaneously based on the 12 bit VLAN identifier Each Ethernet port can be assigned to one ore more VLAN All ports are assigned to VLAN 1 per default A3118 X300 M100 2 7618 2 29 Technical Description Information ULAF V4 2 The BSTU4 switch can handle tagged and untagged frames at each of its ingress ports Configuring a port to untagged means that all Ethernet packets arriving at this ingress port don t have VLAN Headers according IEEE 802 1Q Therefore a Native VLAN ID has to be assigned to such a port The switch will than add this VLAN ID to the packets VLAN ID 100 Q VLAN ID 100 y AD ET untagged SS lt t E Port 1 es e N Port4 NT WAN LT tagged E E wee eee eee eee eee I ge VLAN ID 400 VLAN Number gt 1 1 un un un tagged tagged tagged 2 400 un tagged o fe 3 100 un tagged tagged e 01 I eS Se NEN AS Corresponding VLAN filter table EE VLAN ID Port 1 Member Port 5 Member BA O O Co Q c Q 2 p o S EN Port 2 Member Port 3 Member E 2 zZ z lt ER o O REE
121. red transmission with 1 4x 64 kbit s 1984 kbit s Fractional E1 The configuration is made either via LCT or via Accesslntegrator Further information on the configuration can be found in the corresponding user manuals 2 6 2 Modes of operation of GTU4 This chapter describes the GTU4 s modes of operation The following types of use are possible e GTUA LT TDM GTUA NT e SIUA BSTUA QSTU LT TDM GTU4 CS 2 6 2 1 GTU4 configured local Master 10Base T 100Base Tx 10Base T 100Base Tx Master Master Fig 2 40 Example of a configuration of a GTUA The GTUA is delivered configured by default as master A3118 X300 M100 2 7618 2 39 Technical Description Information ULAF V4 2 2 6 2 2 GTU4 remotely configured Master Slave 10Base T 100Base Tx GTUA Master Slave Fig 2 41 Example of a configuration of a GTU4 The GTUA is delivered configured by default as master 2 6 2 3 GTU4 with QSTU locally configured Master Fw ID 649 T 10Base T 100Base Tx 10Base T 100Base Tx o BSTU4 Slave Master Master Fig 2 42 Example of a configuration of a GTU4 in connection with a QSTU The GTU4 is delivered configured by default as master 2 6 2 4 GTU4 with QSTU remotely configured Slave 10Base T 100Base Tx 10Base T 100Base Tx BSTU4 SHDSL Slave Master Slave Fig 2 43 Example of a configuration of a GTU4 in connection with a QSTU
122. ring the payload bitrate from 2048 kbit s to 512 kbit s 4 1 will approxi mately double the transmission distance square root of 4 The interference signals that have an influence on the SHDSL signal come from many different sources Alongside with far and near end cross talk FEXT NEXT originated by other signals in the same cable e g POTS ISDN HDSL ADSL ADSL2 VDSL VDSL2 etc or further SHDSL systems impulsive noise is frequently present In order to produce under laboratory conditions values comparable to those ones in real con ditions various noise models have been defined in G 991 2 13 and ETSI ETS 101 524 24 these models reproduce the situations that are possible in practice For the mea surements in table 1 1 the noise Type B as defined G 991 2 13 and ETSI ETS 101 524 24 have been used Type B noises correspond with a mean value of various interference effects e g sev eral wire pairs in a standard cable in order to receive the most practical test results The measurements were carried out with O dB Type B noise and with another noise which was increased by 6 dB in comparison with the Type B reference noise and this represents heavily disturbed surroundings The maximum transmission level is defined in G 991 2 and ETSI 101 524 24 and amounts with TC PAM 16 13 5 dBm for lt 2048 kbit s payload bitrates 14 5 dBm for gt 2048 kbit s 3848 kbit s payload bitrates with TC PAM 32 1
123. ription TED The Technical Description for ULAF provides an overview of the composition and function of the system together with all its components The descriptions of the sub systems contain detailed information about the individual submodules and the com plete product overview together with comprehensive technical data relating to the system e Installation Manual IMN The Installation Manual contains the assembly instructions for the individual system components or submodules The IMN contains tables and illustrations with the con tact PIN assignments for the connectors the settings for the address switches and operating elements together with the module specific alarm tables e User Manual UMN The User Manual describes all the procedures for the LCT which are required for op eration and administration of a fully functioning system If malfunctions occur the Manual contains instructions showing how to restore the system to its normal oper ating condition The ULAF documentation is supplemented by the manuals for the AccessIntegrator management system NMS e Installation Manual IMN The Installation Manual is intended for anyone involved in the installation and con figuration of the Accesslntegrator It describes the procedures for installation of a new version of the AccesslIntegrator software e Installation and System Administration Manual ADMN The Administration Manual is intended to be used by anyone who configures t
124. s Eme apretas rea res ae 1 12 1 9 3 JAdd DEoD MOJO x oca n e ah ww Kon o d kw Sih d E ae eK ts daran 1 13 1 9 4 Add TOD Tod aa dus 62 via d e ere af uoi vnde B dog ORA e od d AES ose 1 13 1 10 TDM Ethernet mode 0 0 0 0 1 16 1 11 Ethernet Ethernet mode 0 0 0 0 cee eee eee 1 16 1 12 Glock CONCEDE 2234 Sh wes oon ORE ES 2 Ge ho E ae eS ee 1 17 1 12 1 Clock concept of the SHDSL termination units 1 18 1 12 2 Clock concept of the BSTU4 and GTU4 1 20 1 12 3 Clock concept of the BOTU and QOTU 0008 1 21 1 12 3 1 Clock transmission of the BOTU QOTU 0 0 00 eee 1 22 1 13 Structuring of the payload signal 1 22 1 13 1 Framings of the BSTU QSTU FW ID 633 1 22 1 13 2 Supported Framings of the application QSTU with BSTU4 GTU4 1 28 1 13 3 Framings of the BOTU QOTU 0 es 1 29 1 14 Loopback concept civic 50 bee toe eed de VARs Oe ERR I ep 1 30 1 14 1 Loopbacks for the BSTU 0 0 ee 1 30 1 14 2 Loopbacks for the QSTU 0 0 0 cc es 1 31 1 14 3 Loopbacks of the BSTUA 0 0 0 eee 1 34 1 14 4 Loopbacks of the GTU4 0 0 0 eee 1 35 1 14 5 Loopback on the BOTU QOTU 0 0 0 cc es 1 37 1 14 6 Loopback on the GTU 0 0 cc eee 1 39 A3118 X300 M100 2 7618 AD 5 Technical Description AD 6 1 15 1 15 1 1
125. s with 1 or 2 SHDSL interfaces and with or without remote power feed RPS onboard of fer an optimal configuration for every application situation A large selection of different subscriber interfaces are available to the user Thus G 703 X 21 and Ethernet interfaces are available on board and a slot for ULAF data mod ules permits the use of X 21 V 35 V 36 Advanced Bridge and Advanced Bridge and Router modules A3118 X300 M100 2 7618 gu Technical Description Information ULAF V4 2 BSTU variants can be supplied with the following equipment fitted Siemens Part No Variants SHDSL In G 703 RJ45 Slot for Ethernet RPS onboard Slot for terface s onboard Data module Interface Alarm and Clock module S3118 H631 B210 18 H631 B210 Desktop unit unit Ea 18 H631 E310 A unit X 21 onboard EE E A soo enr ICI IC ICI CI IC II ne omg 2 e e gt gt gt EE emer c 2 Y 3 sseemom emu 2 2 ve 9 smwmwom wem 2 Y 3 por smwsxem meme 2 3 smwxxon meme 2 v smemmem meme 2 vw smwswom menm 2 Y 3 Tab 2 2 Mounting variants of the BSTU Together with the BSRU Regenerator and the QSTU with FW ID 633 the BSTU makes up a system family When operated with the BSTU the QSTU must always be used as an LT and on the exchange side serves the purpose of concentrating
126. sence of a frame as per G 704 8 In this operating mode Sa bit signalling maintenance functions and alarm codes are checked in accordance with 21 Data mode SHDSL Optik X 21 V 35 V 36 10 100Base T X 21 V 35 V 36 10 100Base T Fig 1 10 Data mode In this operating mode the data signal nx64 kbit s is adapted to the transmission bit rate Payload Bitrate For this operating mode use LT and NT side data terminals SHDSL Optik X 21 V 35 V 36 10 100Base T Fig 1 11 nx64 kbit s 2 Mbit s G 704 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 You use this configuration for connection to a higher ranking network Fig 1 12 Router Router or or DTE DTE Fig 1 12 Integration into higher ranking network 1 9 3 Add Drop mode Add Drop mode In Add Drop mode unused timeslots of the G 704 frame can be used for the transmis sion of data via the Data interface In this case the maximum data rate of the Data in terface is 960 kbit s For Add Drop mode the G 704 frame must be terminated both the LT and the NT This causes a CRC4 checksum to be calculated and entered in Timeslot O In this way the G 704 frame is recalculated in the transmit and receive direction 2 Mbit s SHDSL Optik 2 Mbit s nx64 bit s nx64 bit s 2 Mbit s 2 Mbit s nx64 bit s Fig 1 13 Add Drop m
127. taneously for all SHDSL transfer interfaces assigned to the G 703 system Loopback 1a is set up common for all regenerators in the separate sec tions In conjunction with the QSTU FW ID 633 and the BSTU the loopbacks except for loop back 1 3a can be inserted as transparent or non transparent A3118 X300 M100 2 7618 1 31 Technical Description Information ULAF V4 2 QSTU LT BSTU NT Fw Id 633 BSRU BSRU 4 Fig 1 44 Loopback of a QSTU BSTU link e g 2x 2 wire pair mode QSTU LT BSRU 1 BSRU 4 BSTU NT Fw Id 633 Y 1 3a SS E S 5 Fig 1 45 Loopback of a QSTU BSTU link 4x 1 wire pair mode BSRU 1 1 32 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 QSTU LT QSTU NT Fw Id 633 Fw Id 633 1 3a G 703 2b G 703 G 703 122 G 703 ee E G 703 ta L G 703 I l I l I l G 703 1aMk G 703 BSRU 1 BSRU 4 Fig 1 46 Loopbacks for a QSTU QSTU link 4 x 1 wire pair mode QSTU LT QSTU NT Fw Id 633 BSRU 1 Fw Id 633 puse G 703 2b 122 2b G 703 1a s ILL G 703 122 G 703 Fig 1 47 Loopbacks for a QSTU QSTU link 2 x 2 wire pair m ode The loopback are enabled simultaneously for both SHDSL interfaces in the BSRU A3118 X300 M100 2 7618 1 33 Technical Description 1 34 1 14 3 VA VB Vc Information ULAF V4 2 Loopbacks of the BSTU4 The av
128. the transfer path can transport If this transport capacity is exceeded packets are discarded Pause frames are sent as per IEEE 802 3x in full duplex operation The backpressure method is used in half duplex operation The following flow control mechanisms are supported Back Pressure Flow Control im Half Duplex Mode Erzeugen von Pause Frames im Full Duplex Mode Flow control must be enabled on both the terminal device and ULAF to allow the flow control to function e Bandwidth limiting The maximum ingress data rate of each LAN port can be limited policing Up to 1 Mbit s the ingress data rate can be set in 64 Kbits s steps Above this speed in steps of 1 Mbit s In addition the egress data rate of all LAN and the WAN ports can be limited be tween 1 Mbit s and 100 Mbit s The following egress data rates can be selected where x is a value between 2 and 200 200 000 kbit s X e Link status information is available for each Ethernet interface link up 10 100Base Tx full duplex half duplex e PHY Power saving mode The Ethernet interfaces can be switched on or off separately to reduce the power consumption A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 e Link Failure Propagation Link failure propagation LFP disables the ports on the switch if the synchronization is lost on the U interface This allows devices connected to the BSTU4 such as a switch with spa
129. this way is indicated by a yellow LED on the OMI SNMP The LED of the urgent or non ur gent alarm is canceled and the alarm output of the corresponding plug in unit blocked If a new alarm occurs after you have clicked on the alarm acknowledgment button the urgent alarm UA or non urgent alarm ND LED is reactivated After the acknowl edged alarms have disappeared the yellow LED goes out Acknowledged alarm Tab 2 1 Visual indications on the OMI SNMP 2 2 3 Interfaces The OMI SNMP is connected to the LCT via the LCT interface RS232 and the NMS AccessIntegrator via the 10Base T interface Fig 2 3 o E amp Feed a Feed monitoring E E Alarm outputs q Subrack version x O t LCT RS232 8 o E NMS 10Base T E A E OMI bus cascading D AQ x 5 CT 3 Operating elements Fig 2 3 Interfaces of the OMI SNMP RS232 interface The interface is in the form of an RJ45 female connector The baud rate is 9600 baud Ethernet interface The Ethernet interface 10Base T is implemented using an RJ45 female connector 2 4 A3118 X300 M100 2 7618 Information Technical Description ULAF V4 2 Alarm outputs The OMI SNMP is equipped with three mutually independent non grounded alarm con tacts The urgent alarm is designed as a normally closed contact in order to be able to emit an alarm in the event of a power failure In a non grounded type of alarm curre
130. tion ULAF V4 2 AD 4 A3118 X300 M100 2 7618 Information ULAF V4 2 Technical Description Contents 1 INTFOGUCTION ie drei edet detracto etta d eed he Hte 1 1 1 1 Documentation overvieW naaa aaaea tenes 1 1 1 2 Target group and structure of this document 1 2 1 3 Application Scenarios 0 0 0 eee 1 2 1 3 1 High Speed Business Class Access Services 0000 ee eee 1 2 1 3 2 BaACKMAUNING rrr 1 3 1 3 3 Campus Applicaton s uuu ue Reise Gee wel Nub t Rows EARS a 1 3 1 4 System components of ULAF 00 00 cc eee 1 4 1 5 Access configurations 0 0 00 cee 1 4 1 6 SHDSL line equipment 0 000 cc ee 1 5 1 7 Optical line equipment BOTU JQOTU o o ooooooo 1 8 1 7 1 SEPIMOSGUISS rnern dur Sed Qn naa eer dete EDAD E OL AE eibi oe 1 8 1 7 2 Frame SWUCIUIC lt 2 seu s e sex eo AES te RR RR AS 1 8 1 7 3 lee ING Protec o teu AUS A a BORA er OE MC af eg das 1 8 1 8 G 703 transmission Unit GTU o ooooooooo 1 9 1 8 1 Interface converter aca aedi a d RR EIE bx pattiuna eee eet ee DA Pet x 1 9 1 8 2 NT1 Z function for transparent 2 Mbit s links 1 10 1 8 3 GLU c arden poa aa pa ac dao 1 10 1 8 4 Inband management for Accessintegrator o o o ooooooo 1 11 1 9 Standard modes of operation of ULAF 1 12 1 9 1 2 MDIUS MOde epica a a a ona en 1 12 1 9 2 Data MOGs u
131. tions by stop methods and are thus transmitted plesiochronous ly The clock at the data and clock output from the NT corresponds to the payload s clock A3118 X300 M100 2 7618 1 19 Technical Description 1 20 1 12 2 Information ULAF V4 2 SHDSL Clock Mode 2 Embedded Reference In this SHDSL clock configuration the SHDSL symbol clock is derived from a reference clock Hence it is possible in addition to the data transmission to transmit a high quality clock and output it at the NT clock output T4ab The data clock is not affected by this setting As for clock mode 1 the data items are transmitted plesiochronously in the up and down stream directions by stop methods The following points should be noted when operating in the Embedded Clock Mode e Configuration requires an automatic restart of all the module s SHDSL links be cause the basis for the clock is reset e 4abis output on the NT as soon as the first of the SHDSL links for the module is in error free operation In each case the available wire pair with the lowest ordinal number is automatically selected e fno SHDSL link has synchronized up then no T4ab will be available T3an T4ab can be an independent clock not synchronous with the data clock SHDSL Clock Mode 3a Synchronous In the synchronous SHDSL clock mode the SHDSL clock is derived directly from the application s transmitting clock In this case a stop method is no longer applied in t
132. to 2048 kbit s or 1x 786 kbit s to 2048 kbit s Double eurocard format 272 X 47 5 x 175 mm 5 455 C at 5 95 rel humidity A3118 X300 M100 2 7618 Information ULAF V4 2 4 5 BSTU4 termination unit Input voltage Plug in unit Desktop unit Power consumption max with remote power supply 4x 120V 50mA with remote power supply 4x 120V 60mA Ethernet switch Transmission technology Line code Payload Bitrate Dimensions Plug in unit Desktop unit B x H x T Temperature in operation A3118 X300 M100 2 7618 Technical Description 48 Vpc 60 Voc 48 Vpc 60 Voc 110 Vac 230 Vac lt 12 7 W lt 38 W gt 45 W 4x 10 100Base Tx Half Full Du plex Auto negotiation Auto Cross over Self learning 1024 MAC adress es SHDSL ETSI TS 101 524 24 ITU T G 991 2 13 TC PAM16 TC PAM 32 192 kbit s to 5696 kbit s each wire pairs 1 to 4 wire pairs max 22 8 Mbit s with 4 wire pairs Double eurocard format 272 x 47 5 x 175 mm 5 55 Cat 5 95 rel humidity Technical Description 4 6 GTU4 termination unit Input voltage Plug in unit Desktop unit remote power Power consumption max Ethernet switch Transmission technology Payload Bitrate Dimensions Plug in unit Desktop unit B x H x T Temperature in operation Information ULAF V4 2 48 Voc 60 Vpc 48 Voc 60 Voc 110 Vac 230 Vac max 120 Voc lt 6W 4x 10 100Base Tx Half
133. urrent control The settings are done using DIP switches The QSTU detects the following states e Remote feeding current too deep line interruption A3118 X300 M100 2 7618 2 21 Technical Description 2 4 5 2 4 5 1 Information ULAF V4 2 e Output voltage too deep short circuit Out of this signals the QSTU generates the following alarms E CIN NN UC1 2 3 4 Remote feeding current too deep under current OC1 2 3 4 Output voltage too deep over current Tab 2 7 QSTU remote feed alarm signalling Using the QSTU desktop unit When the QSTU is used in the desktop unit it is installed in a plastic casing The casing can also be wall mounted The overall dimensions are 175 mm x 272 mm x 47 mm The desktop unit can be used in the exchange as well as on the subscriber s premises The desktop unit features the same functionality as the plug in unit and can be extended with an additional alarm and clock module The possible operating modes are identical with those for the plug in unit see Chapter 2 4 1 1 Mechanical construction The indicators and operating elements and the RS232 connection for the local LCT are located on the front panel Fig 2 23 Front panel of the desktop unit The four transmission and the four G 703 interfaces the clock and alarm interface and the power supply connection are located on the rear panel Fig 2 24 Rear panel of the desktop unit A3118 X300 M100 2 7618 Informatio

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