Home

D4E1, D8E1 - RADProductsOnline

1. gt L BERT Subsystem 5 BERT Subsystem 8 Routing T Memory Control Address Data Management Subsystem Figure 1 8 D4E1 D8E1 Functional Block Diagram Functional Description Port 1 External Port 4 uus I A External Port 5 External Port 8 LIU 8 Er D4E1 D8E1 Ver 10 1 Installation and Operation Manual Chapter 1 Introduction The D4E1 and D8E1 modules include the following main subsystems e Bus interface subsystem e Line interface subsystem e Clock and timing subsystem e BERT subsystem e Management subsystem Bus Interface Subsystem The function of the bus interface subsystem is to route the desired timeslots between the DXC bus the bus that carries the traffic of the other modules installed in the DXC unit and the appropriate E1 ports of the DAEI D8E1 module In case of alarm conditions the bus interface inserts appropriate user specified out of service OOS codes provided by the module management subsystem The DXC bus includes two data buses e Data from I O bus carries the data from I O modules and D4E1 D8E1 to the DCL module e Data to I O bus carries data to I O modules and D4E1 D8E1 from the DCL module The bus interface operates as a non blocking routing matrix that can map timeslots from the DXC bus to any of the timeslots of the D4E1 D8E1 E1 ports The routin
2. traffic carried through this port RIP 1I Management traffic is also routed using the RIP2 protocol Change the displayed parameters as necessary using the procedure explained above When done press Enter to display the next page Third Page of External Port Parameters If you have selected the static timeslot allocation mode under the DEF SYS command you will see the following typical page which includes a single parameter MAX TS 05 The MAX TS parameter is used to select the maximum number of timeslots that may be connected on the selected port without causing any disruption to the traffic carried by other modules D4E1 D8E1 Ver 10 1 Configuration Instructions 3 7 Chapter 3 Configuration Installation and Operation Manual Note if you modify the MAX TS parameter the following warning appears WARNING 118 CHANGE OF USED TS MAY CAUSE DATA ERROR BURST This means that when you perform the UPD DB command data error burst is possible The allowed range is 1 through 31 If the FRAME parameter is UNFRAMED the MAX TS parameter is automatically set to 32 and cannot be changed Change the parameter if necessary using the procedure explained above When done press Enter to display the next page Port Timeslot Connection Data Form You will see the next page of the external port parameters data form This page is used to select the timeslot mapping mode and to define the type of timeslots and the mapping paramete
3. D8E1 Ver 10 1 Installation and Operation Manual Chapter 1 Introduction Fractional E1 Links DXC 8R B O Coo fy A p C Oona eC Joss T H cA F p Dari T1 Links Modules Module Figure 1 2 High Density TI E1 Conversion and Cross Connect Application for DXC 8R E1 or Fractional E1 Links o e 15 16 D8E1 DE3 E3 Link Figure 1 3 shows a 1U high DXC 10A chassis used as an E3 multiplexer for this purpose the DXC 10A chassis is equipped with one DE3 and two D8E1 modules The two additional slots of the DXC 10A chassis can then be used to provide other services DXC 10A eo CoC oO Da b dt b Hd jp of a pola a cr OO Modules Module Figure 1 3 E3 Multiplexer Application for DXC 10A Signaling Monitoring The high port density of the D4E1 D8E1 modules allows another important DXC application signaling monitoring The DXC collects signaling timeslots from many leased lines and grooms them over a full link to the protocol analyzer at a central site The analyzer reads the signals that identify each user checks the user profile and activates the appropriate response The solution is based on a probe passive T sampler or patch panel that duplicates the traffic on each voice channel and sends it to the DXC The DXC extracts the
4. 4 option specified in ITU T Rec G 704 independently for each port In addition to other applications the high port density of the D4E1 D8E1 modules permits to use the DXC for signal monitoring the DXC collects signaling timeslots from many leased lines and grooms them over a full E1 link to the protocol analyzer at a central site Note The D4E1 D8E1 modules are supported by the DXC version 10 0 or higher If support is required for earlier DXC versions contact RAD technical Support In this manual the generic term DCL is used when the information Is applicable for both common logic versions The complete designation Is used only for Information applicable to a specific version of common logic Product Options The D4E1 D8E1 family includes two basic module types e D4E1 4 port E1 interface module e D8EI 8 port El interface module D4E1 D8E1 Ver 10 1 Overview 1 1 Chapter 1 Introduction Installation and Operation Manual D4E1 and D8E1 modules support both balanced and unbalanced E1 interfaces through the use of special interface cables All the module versions occupy a single I O slot in the DXC chassis Note In this manual the generic term DAEI D8EI is used when the information is applicable to all the module versions and the term DXC is used when the Information is applicable to all the multiservice access nodes versions The complete designation is used only for information applicable to a specific version Applicat
5. ERE RR 2E OR 1 11 Bluse EE 1 11 1 4 Technical SpecIfICatlOris 2 2 inea ir tere xo aata aa a a ar ERA Na 1 12 Chapter 2 Installation and Setup QZ IMMPOGUGH OM REM Asl 2 2 Installing the Module in the DXC Enclosure eeeeeeeeeeemeem 2 1 2 3 Connecting the Module Ports essssesssssssssssssseeeneeene aon a anaa r daana Nias 2 2 Module COMMGCIONS ER 2 2 Connecting Cables to the Module Ports ssssssssseseemmennnn 223 Chapter 3 Configuration 3 1 Outline of Configuration Procedure sssssssssssessneeeeee e eene nnne nnns nnns 3 1 3 2 Configuration MS rUCHONS ad ec eui ra oed da co annak ka anina ala a e da e ESLa KYSS 3 2 Starting a Configuration Session isisisi isrannu anni No E i ania Naia 3 2 Inclusion of D4E1 D8E1 Module in Database sssssssssssssseeeeeee 3 2 Configuration of External Port Parameters sssssssssssssseeeenee eene 3 3 Configuration of Internal Port Parameters ccccceeeeeeeeeeeeeeeaeeeeeeeaeeeeeeeaaeeeeeesaaees 3 11 Displaying D4E1 D8E1 Specific Information sess 3 12 Chapter 4 Troubleshooting and Diagnostics 4 Alarm MesSdges ictor RR e a tau ERE R ER eR NR thawed ive ciaweed ROTER TRa ANASETO 4 1 4 2 DIASMOSUCS 22s E 4 2 Test and Loopback Functions ccceeeeeeeeeeeee eee eee eee e eaten ee aa nennen nennen nnne nnne 4 2 4 3 Recommended Test S
6. Parameter Range of Values Parameter Range of Values FRAME CRC 4 SYNC LINK MODE RX GAIN LIMIT G732N YES CCITT TRANS SHORT HAUL G7328 NO 62411 REGULAR LONG HAUL UNFRAMED FAST MONITOR 12 MONITOR 30 SA4 SA5 SA6 SA7 SA8 MGMT MGMT MGMT MGMT MGMT TRANS TRANS TRANS TRANS TRANS ZERO ZERO ZERO ZERO ZERO ONE ONE ONE ONE ONE D4E1 D8E1 Ver 10 1 Configuration Procedure Quick Start Guide Second Page of External Port Parameters Parameter Range of Values Parameter Range of Values CGA IDLE TS CODE OOS SIGNALING NONE 00 to FF SPACE TRANS MARK FULL SP_MK MK SP INB MNG ROUTE PROT NONE NONE TS0 F PROPRIET DEDIC RIP II D PPP D FR Installation and Operation Manual VOICE OOS DATA OOS 00 to FF 00 to FF Third Page of External Port Parameters Static Timeslot Allocation Only Parameter Range of Values MAX TS O to 32 Fourth Page of External Port Parameters Parameter Range of Values MAP MODE START TS NUM OF TS SEQ O1 to 31 USER 01 to 31 DEST PORT Slot 1to 15 Port 1to 30 Last Page of External Port Parameters TYPE DEST START TS DATA 01 to 31 forE1 port VOICE 01 to 24 for T1 port VC MP NC If the MAP MODE is USER you will see the port timeslot routing map Select the timeslot connections Nc or destination and timeslot types in accordance with your requirements The timeslot types are Configuration Procedure MGMT DATA VOICE VC MP D4E1
7. another E1 port located on any module with E1 ports including internal El ports of an E3 module it also enables the transmission of a full T1 data stream received from another I O module with T1 ports including the F bit through an E1 link in accordance with ITU T Rec G 802 e Transparent Routing in this mode the routing subsystem transparently transfers the whole frame structure including timeslot O and timeslot 16 toward another E1 port including an internal El port of a DE3 module The other port must also use the transparent mode The regular routing mode is suitable for data traffic for which it is not necessary to support end to end transmission of channel associated signaling In addition when transmitting inband management traffic through the E1 link in a dedicated timeslot the E1 port that carries the management timeslot must always be configured for regular routing The transparent mode enables the transmission of an E1 data stream carrying voice traffic because it preserves the original E1 multiframe structure 1 10 Functional Description D4E1 D8EI Ver 10 1 Installation and Operation Manual Chapter 1 Introduction Handling of National Bits The D4E1 D8E1 modules enable the user to control the handling of the national bits S through S in timeslot O For each port the user can select the utilization and state of each bit in accordance with the following options e Transfer of management traffic when the
8. inband management traffic is carried in timeslot O the user can select the S bits that will carry the traffic e Transparent transfer of the desired bits e Setting of any bit to the desired fixed value 0 or 1 Handling of Alarm Conditions Diagnostics The E1 ports support two types of indications in the individual timeslots idle timeslots and out of service OOS indications e Idle Timeslot Indication A special code can be transmitted in empty timeslots timeslots which do not carry payload e OOS Indications The OOS code is inserted in individual timeslots to signal the equipment routed to one of the E1 ports of the module that the link connected to the external port is out of service e g because of the reception of AIS loss of signal loss of frame synchronization All the ports use the same OOS code For a complete description of alarm handling in the DXC system refer to Section 3 5 in the DXC Installation and Operation Manual To reduce downtime to a minimum the D4E1 D8E1 module includes self test upon power up and additional testing and diagnostic functions that can be controlled by means of the management functions supported by the DXC system supervision terminal SNMP or Telnet Test and Loopback Functions The testing capabilities include the following types of loopbacks e Local loopback the output signal of the E1 port is looped back to the input and is returned toward the local DXC e Remote l
9. module circuits associated with the selected port including the port interface and the operation of the routing circuits that handle the port signals within the D4E1 D8E1 module As a result this loopback also checks the operation of the local DXC and the connections to the equipment that provides the signal or the individual timeslots as applicable reaching the tested port through the DCL module Figure 4 1 shows the signal paths of a typical local loopback activated on external port 1 Digital Other Port Bus Processing K Y Interface Unit DCL Interface Figure 4 1 Typical Local Loopback Signal Path When the local loopback is activated on a selected port the port interface returns the port transmit signal to the input of the receive path within the LIU see Functional Block Diagram in Chapter 1 The test signal is provided by the equipment whose data stream or timeslots are routed by the DCL module to that port this equipment must receive its own transmission While the local loopback is activated the local D4E1 D8E1 port sends an unframed all ones signal to the link D4E1 D8E1 Ver 10 1 Diagnostics 4 3 Chapter 4 Troubleshooting and Diagnostics Installation and Operation Manual Remote Loopback The remote loopback activated by the command LP R A B is used to test the interface circuits of a given D4E1 D8E1 port This test also checks the transmission plant connecting the remote equipment to the correspo
10. port e Remote loopback activation by inband FT1 code RFC 2495 substitutes RFC 1406 Local signal loss for each module port Remote signal loss for each module port Occupies a single DXC module slot 5 5W 1 1A 7 25W 1 45A e Sequential e User defined any timeslot to any timeslot mapping Programmable via DXC management Technical Specifications 1 13 Chapter 1 Introduction Installation and Operation Manual 1 14 Technical Specifications D4E1 D8E1 Ver 10 1 Chapter 2 Installation and Setup 2 1 Introduction This chapter provides installation and operation instructions for the D4E1 and D8E1 modules The information presented in this chapter supplements the general installation and operation instructions contained in the DXC nstallation and Operation Manual first disconnect all the cables from the module and then remove the module from the DXC enclosure Warning No internal settings adjustment maintenance and repairs should be performed by either the operator or the user such activities should be performed only by a skilled technician who is aware of the hazards involved Always observe standard safety precautions during installation operation and maintenance of this product Before performing any internal settings adjustment maintenance or repairs Caution The D4E1 and D8E1 modules contain components sensitive to electrostatic discharge ESD To prevent ESD damage always hold a module by its sid
11. the number of the first timeslot of the destination Installation and Operation Manual Values Default shown in bold The allowed range of timeslots is 1 through 24 for routing to a T1 port or 1 through 31 for routing to an E1 port frame to which the bundle of timeslots being transferred is to be mapped When selecting this number it is necessary to consider the number of mapped timeslots the mapping method sequential and the total number of timeslots available on the destination port e g when the destination port is a T1 port the maximum number of timeslots is 24 or 25 when the F bit is also transmitted Change the displayed parameters as necessary using the procedure explained above When done press Enter e f the MAP MODE is SEQ after pressing Enter command entry is ended e f the MAP MODE is USER after pressing Enter you will see the first page of the timeslot map SEQ Mapping Example For example suppose that the DXC system is configured for operation in the bidirectional mode and the initial timeslot allocation from port 1 1 to port 3 1 is as follows e Start timeslot 1 e Number of timeslots 20 e Type data e Destination timeslot 1 In this case the timeslots 1 1 1 through 1 1 20 would be connected as data timeslots to timeslots 3 1 1 through 3 1 20 Now suppose that system requirements change and the following timeslot allocation is made e Start timeslot 1 e Number of tim
12. the incoming signal Clock and Timing Subsystem This subsystem provides the clock and timing signals required by the D4E1 D8E1 module and enables the user to select the recovered clock signal of one of the module EI ports as the timing reference for the DXC master nodal clock 1 8 Functional Description D4E1 D8EI Ver 10 1 Installation and Operation Manual Chapter 1 Introduction D4E1 D8E1 timing is derived as follows e The timing of the transmit paths of all the E1 ports is always locked to the DXC master clock received through the control bus part of the DXC bus e The timing of the receive paths of the E1 ports is always derived from the clock signal recovered from the incoming line signal The D4E1 D8E1 module includes a clock generator that generates two clock signals Each of the two clock signals can be locked to the DXC master clock The two signals provided by the clock generator which are connected to the control bus can be selected as main and fallback timing references for the DXC master clock thereby locking the DXC master clock to the timing of the corresponding E1 port BERT Subsystem Each E1 port has its own BERT subsystem which can be used to test the operation of each E1 port and data transmission through the line connected to that port When the BER test is enabled on one of the D4E1 D8E1 ports the bus interface disconnects that port from the DXC bus During the test the transmit signal is provid
13. 1 NO 15 NO 16 NO 17 NO 18 NO 19 NO 20 NO 21 TYPE NC NC NC NC DATA NC NC DEST 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 NO 22 NO 23 NO 24 NO 25 NO 26 NO 27 NO 28 TYPE NC NC NC NC NC NC NC DEST 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 NO 29 NO 30 NO 31 TYPE NC NC NC DEST 01 01 01 01 01 01 01 01 01 Note The second line of the data form PORT TS UTILIZATION PERCENT appears only if static timeslot allocation mode has been selected Display of Timeslot Utilization To display the timeslot utilization for all the ports of all the dynamic Type 2 1 0 modules installed in the chassis type DSP TS UTILIZATION Enter If the static timeslot allocation mode has been selected under DEF SYS a typical display is shown below SLOT PORT NUM OF CONNECTED TS MAX TS UTILIZATION 1 1 2 5 40 000 1 2 0 0 0 000 1 3 0 0 0 000 1 4 0 0 0 000 3 14 Configuration Instructions D4E1 D8E1 Ver 10 1 Installation and Ope ration Manual Chapter 3 Configuration If the dynamic timeslot allocation mode has been selected the following error message appears ERROR 532 ILLEGAL COMMAND FOR TS ALLOCATION MODE Display of Timeslot Allocation To display the number of timeslots free for use type DSP TS ALLOC Enter DXC displays the timeslot allocation for each port of the first dynamic type module with connected timeslots followed by the number of free timeslots in the modu
14. A4 Controls the handling of the MGMT The S bit is used to carry inband management national bit S by the corresponding traffic this option is required when the port INB MNG parameter is TSO F This field is displayed only when TRANS The S bit is transferred transparently to the the LINK MODE is REGULAR S bit of an adjacent port of the D4E1 D8E1 module e g ports 1 2 3 4 5 6 or 7 8 ZERO The S bit is set to O before it is transferred to the S bit of the external E1 interface ONE Same as above except the S bit is set to 1 SA5 Controls the handling of the Same options as for SA4 national bit S_ by the corresponding port SA6 Controls the handling of the Same options as for SA4 national bit S by the corresponding port SA7 Controls the handling of the Same options as for SA4 national bit S by the corresponding port SA8 Controls the handling of the Same options as for SA4 national bit S by the corresponding port To change the displayed parameters bring the cursor to the beginning of the field to be changed by pressing the spacebar and then press F or B to scroll among the available selections When the desired selection is displayed press the spacebar to move to the next field When done press Enter to display the next page Second Page of External Port Parameters You will see the second page of the external port parameters data form A typical page is shown below CGA IDLE TS CODE OOS SIG VOICE OOS DATA OOS INB MNG ROUT
15. Alarm Messages 4 1 Chapter 4 Troubleshooting and Diagnostics Installation and Operation Manual Alarm Alarm Syntax Meaning Type Class 30 EXCESSIVE BPV IO A B The rate of bipolar violation errors on specified State Major El port is too high 31 AIS OCCURRED IO A B AIS is being detected on specified E1 port State Major 33 AIS SYNC LOSS IO A B AIS and loss of frame alignment on specified El State Major port 35 LOCAL SYNC LOSS IO A B Local loss of frame alignment on specified E1 State Major port 36 LOCAL MF ALARM IO A B Local loss of multiframe alignment on E1 port State Major 37 REMOTE MF ALARM IO A B The remote unit connected to the other end of State Major the link connected to the specified E1 port reports loss of multiframe alignment 39 REMOTE SYNC LOSS IO A B The remote unit connected to the other end of State Major the link connected to the specified E1 port reports loss of frame alignment 40 FRAME SLIP IO A B A frame slip occurred on the specified E1 port Event Major 41 BPV ERROR IO A B A bipolar violation error has been detected on Event Minor the specified E1 port 42 EXCESSIVE ERR RATIO IO A B Excessive bit error rate higher than 10 on the State Major specified El port 43 CRC 4 ERROR IO A B Bit errors have been detected by CRC 4 checking Event Minor on the specified E1 port 46 MANAGEMENT PORT IS A loopback has been activated on the State Major LOOPED IO A B management port 47 MANAGEMENT PORT IS DOWN
16. Balanced RJ 45 to RJ 45 4 DB 44 to 8 x RJ 45 one cable assembly cables RAD part number CBL G703 8 RJ 45 Unbalanced RJ 45 to BNC 4 cables DB 44 to 8 x BNC one cable assembly RAD part number CBL G703 8 COAX Using the site installation plan identify the cable intended for connection to the D4E1 D8E1 connector and connect the cable to the module connector as explained below D4E1 D8E1 Ver 10 1 Connecting the Module Ports 2 3 Chapter 2 Installation and Setup 2 4 Installation and Operation Manual To connect the cable to the balanced E1 interface T 2 For D4E1 connect the RJ 45 connector to the D4E1 front panel port For D8EI connect the 44 pin connector of cable CBL G703 8 RJ45 to the D8E1 front panel connector Connect the RJ 45 plug of each port interface D8E1 plugs are marked CH 1 to CH 8 to the prescribed user s equipment or patch panel connector Insulate unused connectors to prevent accidental short circuiting of their exposed contacts to metallic surfaces Toconnect the cable to the unbalanced E1 interfaces l 2 For D4E1 connect the RJ 45 connector to the D4E1 front panel port Connect the 44 pin male connector of the cable CBL G703 8 COAX to the D8E1 front panel connector Connect the BNC plugs of each port interface the plugs are marked with the number of the port to the prescribed user s equipment or patch panel connectors Pay attention to correct connection TX connecto
17. D8E1 Ver 10 1 Installation and Operation Manual Quick Start Guide Internal Port Parameters To configure the internal port enter the command DEF PORT A il Enter The internal port parameters and their range of values are as follows Parameter DEDICATE TS AGGR SPEED Range of Values NC 64K D4E1 D8E1 Ver 10 1 Configuration Procedure 3 Quick Start Guide Installation and Operation Manual 4 Configuration Procedure D4E1 D8E1 Ver 10 1 Contents Chapter 1 Introduction IDEO UI Lcd Iel Purpose and Main FeatureS ssessssssssssssrresssrreresrtrtosrrrersnnricerrtrrentriocrnneresnneecrnnt 1 1 Product OpPtiOnS uceiies Wii a eciriedten Hos ides a aaa a bn en M le Applications eie tx t ER Ete uer ue Deus ed ie QUE ONPEUE 1 2 1 2 Physical Descriptio N es uoi iter ea ERE ER AE KE ENEN 1 5 DAEL ers 1 5 pian 1 3 1 3 F nctional DescriptlOn 2 ri conte EE ER e coc Pep E oo ec vb le BU q DRE Ha E DER 1 6 Functional Block Diagram anii ceni Seco tea adnata en uen De Da exe Roa erae Dice 1 6 El Port Interface Characteristics cccceceeceeceeee eee eeeeeeeeaeeeeeeeaaaeeeeeaaaeeeesaaaaeeesaaaaees 1 9 Port Routing MOC ec eeec cece eect e ee ete rere titt t trist eae essen eres sadness enar nnns nna rh nennen 1 10 Handling of National Bits 2 cites tte ree tap tee deze nutre se e tette Een eeu a RA EEA 1 11 Handling of Alarm Conditioris cs 2 one In ree Lan Ea te ce metn ca Wie Fe RA RR
18. DXC cannot communicate with the network State Major IO A B management station through the specified E1 port because of a failure or wrong setup 54 LOOP INBAND ON IO A B The inband code activated loopback has been State Minor activated 55 CRC MULTIFRAME ALIGNMENT Loss of CRC 4 multiframe alignment on the State Major LOSS IO A B specified El port 4 2 Diagnostics Test and Loopback Functions This section describes the tests and loopbacks supported on the external D4E1 D8E1 ports The D4E1 D8E1 module supports three types of user controlled loopbacks which can be independently activated for each port 4 2 Diagnostics D4E1 D8E1 Ver 10 1 Installation and Operation Manual Chapter 4 Troubleshooting and Diagnostics e Local loopback e Remote loopback e Inband code activated loopback on all timeslots or on specific timeslots e Remote timeslot loopback e BER testing In addition each D4E1 D8E1 module port can perform a bit rate test BER on the link connected to that port The loopback signal paths illustrated below include the DCL module which is actually involved only when routing individual timeslots from other ports to the D4E1 or D8E1 ports see Port Routing Mode in Chapter 1 Local Loopback The local loopback activated by the command LP L A B is used to test the path of the signals intended for transmission through a selected D4E1 D8E1 port this path starts with the other DXC port s and continues up to the D4E1 D8E1
19. E PROT TRANS 7E SPACE 00 00 NONE NONE The parameters included on the second page are explained in 7ab e 3 2 Table 3 2 Second Page of External Port Parameters Parameter Function Values Default shown in bold CGA Selects the method used to NONE When a link is in the out of service state the signal the carrier group alarm timeslots carry the appropriate OOS code data or CGA state link voice OOS code in accordance with the type out of service to the other selected for each timeslot In addition for links end of the selected link with G 732S framing the signaling bits A B also assume the OOS state and signaling bits C and D assume the state O and 1 respectively D4E1 D8E1 Ver 10 1 Configuration Instructions 3 5 Chapter 3 Configuration Installation and Operation Manual Parameter Function Values Default shown in bold TRANS Same as for NONE but the signaling bits are not forced to the OOS state Used for voice applications with common channel signaling proprietary signaling and for channelized data applications FULL The state of the timeslots and state of the signaling bits is not changed This mode is the fully transparent mode and is often used when the link carries channelized or unchannelized data IDLE TS Selects the code transmitted The available selections are OO to FF hexa CODE to fill idle unused timeslots Default 3F in the frames transmitted through the selected external port
20. O U m gt O Z gt Z gt r QNV NOILVTIVLSNI D4E1 D8E1 data communications The Access Company D4E1 D8E1 4 and 8 Port E1 Interface Modules Version 10 1 Installation and Operation Manual Notice This manual contains information that is proprietary to RAD Data Communications Ltd RAD No part of this publication may be reproduced in any form whatsoever without prior written approval by RAD Data Communications Right title and interest all information copyrights patents know how trade secrets and other intellectual property or other proprietary rights relating to this manual and to the D4E1 D8E1 and any software components contained therein are proprietary products of RAD protected under international copyright law and shall be and remain solely with RAD D4E1 D8E1 is a registered trademark of RAD No right license or interest to such trademark is granted hereunder and you agree that no such right license or interest shall be asserted by you with respect to such trademark You shall not copy reverse compile or reverse assemble all or any portion of the Manual or the D4E1 D8E1 You are prohibited from and shall not directly or indirectly develop market distribute license or sell any product that supports substantially similar functionality as the D4E1 D8E1 based on or derived in any way from the D4E1 D8E1 Your undertaking in this paragraph shall survive the termination of this Agr
21. ODE DATE FORMAT INT NONE NO 2 048MHz BIDIRECT DD MM YYYY 3 Assuming that the only necessary change is the inclusion of a new D4E1 or D8E1 module in the system database press Enter For the DXC with DCL 3 common logic versions 7 1 and higher the second line of the system parameters data form is displayed The second line controls the DXC timeslot allocation method static static 1 1 or dynamic see description in Appendix F of the DXC Installation and Operation Manual DEF SYS command and the station clock interface type A typical form is shown below TS ALLOC MODE STATION CLOCK IF STATIC G703 4 After the desired parameter values are selected press Enter The next line of the system parameters data form is displayed A typical data form for a DXC 30 is shown below IO NO 1 NO 2 NO 3 NO 4 NO 5 TYPE D4E1 D8E1 DT1 DSU D4E1 DE1 LTU 5 Change the module type for each desired slot To change the module installed in a specific slot bring the cursor to the beginning of the field slot to be changed by pressing the spacebar and then press lt F gt or lt B gt to scroll among the available selections When the desired selection is displayed press the spacebar to move to the next field 6 After the desired module types are defined press lt Enter gt The fourth line of the DXC 30 system parameters data form which covers the I O slots 6 through 10 is displayed 3 2 Configuration Instructions D4E1 D8E1 Ver 10 1 In
22. OOS When NONE is selected for SPACE The A and B signaling bits are forced to 1 during SIGNALING the CGA parameter this out of service periods parameter determines the MARK The Aand B signaling bits are forced to O during state of the signaling bits out of service periods Surrgiout oi Senes periods SP MK The A and B signaling bits are forced to 1 for 2 5 sec then switch to the 0 state until the out of service condition disappears MK SP The A and B signaling bits are forced to O for 2 5 sec then switch to the 1 state until the out of service condition disappears VOICE OOS When NONE or TRANS has The available selections are 00 to FF hexa been selected for CGA selects Default 00 the code transmitted during out of service periods on the timeslots defined as voice timeslots DATA OOS When NONE or TRANS has The available selections are 00 to FF hexa been selected for CGA selects Default 3E the code transmitted during out of service periods on the timeslots defined as data timeslots 3 6 Configuration Instructions D4E1 D8E1 Ver 10 1 Installation and Operation Manual Chapter 3 Configuration Parameter Function Values Default shown in bold INB MNG Controls the transfer of NONE Transfer of management traffic is disabled Always inband management traffic select this option when the selected port is through the selected external configured for the TRANS transparent link mode port because this mode requires one to one
23. ate the Default 01 number of the first timeslot in the bundle of timeslots taken from the frames transferred through this port that is to be routed to the destination port NUM OF TS This parameter is applicable only when the SEQ The allowed range of timeslots is 1 through 31 mode is selected Its function is to indicate the ore If the value of NUM OF TS you have number of the timeslots to be routed between 3 8 Configuration Instructions D4E1 D8E1 Ver 10 1 Installation and Operation Manual Parameter DEST PORT Function the source and the destination ports When selecting the number of timeslots it is necessary to consider the starting timeslot and the total number of timeslots available on the destination port e g when the destination port is a T1 port the maximum number of timeslots is 24 This parameter is applicable only when the SEQ mode is selected Its function is to indicate the destination port Chapter 3 Configuration Values Default shown in bold specified exceeds the value of MAX TS parameter the following warning appears ERROR 116 CONFLICT IN NUM OF ALLOCATED TS AND MAX TS The destination port is entered in the format A B where A is the destination slot number 1 through 15 for the DXC 30 1 through 5 for the DXC 10A and 1 through 4 for the DXC 8R B is the destination port number 1 to 30 Note Only El and T1 ports can be selected as destinations if you wish to map timesl
24. ation Manual Chapter 4 Troubleshooting and Diagnostics After the remote equipment connects the loopback the test sequence evaluator of the D4E1 D8E1 port starts detecting its own activation sequence and the transmission of the loopback activation sequence stops The loopback activation process typically requires two to four seconds The loopback is deactivated by transmitting the inband loopback deactivation sequence Remote Timeslot Loopback The remote timeslot loopback is activated by means of the command LOOP TS REM This loopback is similar to the remote loopback described above except that it is activated only on the timeslots defined by the user by means of the DEF BERT command The signal received by a module port is regenerated and processed by the E1 framer The loopback is performed at the output of the framer by connecting the specified timeslots back to the input of transmit path of the same port The resulting signal is returned toward the remote equipment as shown in Figure 4 4 Other Port Digital Bus Processing K X Interface Unit DCL Interface Figure 4 4 Remote Timeslot Loopback BER Testing The BER test activated by the command LP BERT A B is used to evaluate data transmission through selected timeslots of the link connected to a selected port of the D4E1 D8E1 module without using external test equipment The BER test setup is shown in e Data transmission is checked by applying a test sequence gen
25. basis of the maximum number of timeslots that are expected to be routed to each port in accordance with the planned traffic load This allocation is less efficient than dynamic allocation because the number of timeslots allocated to the port includes not only timeslots actually carrying D4E1 D8E1 Ver 10 1 Functional Description 1 7 Chapter 1 Introduction Installation and Operation Manual traffic but also timeslots reserved for future growth However the advantage of this method is that when timeslots reserved for a port are allocated to traffic there is no disruption to the traffic of other ports The timeslot allocation method used by the DXC dynamic or static is selected by the user In addition to the routing of payload data the D4E1 and D8E1 modules support the allocation of one user selectable timeslot to inband management Line Interface Subsystem The line interface subsystem includes identical independently operating E1 ports The number of ports 4 or 8 depends on the module version Each port consists of two sections e Framer The transmit path of the framer generates the E1 frame structure transmitted by the corresponding port in accordance with the selected framing mode The frame structure is generated by combining the data transferred by the bus interface from the DXC bus with the CAS and framing overhead and when applicable with the inband management data stream received through the microprocessor interfa
26. ccess Company
27. ce Unused timeslots are filled with the user specified idle code provided by the module framers The receive path of the framer demultiplexes the incoming E1 data stream and extracts the payload data CAS signaling information and when applicable the inband management data stream The framer also collects performance statistics based on framing errors and errors detected by the CRC 4 monitoring function which can be read by the DCL module through the module management subsystem e LIU line interface unit The LIU provides the interface to the external E1 line and therefore its characteristics nominal line impedance and signal levels depend on the connection cable The transmit path of the LIU includes an HDB3 coder which converts the NRZ transmit data stream provided by the E1 framer to the line code specified for use on EI links and then generates the E1 transmit signal in accordance with ITU T Rec G 703 The receive path of the LIU recovers the received E1 signal and the associated clock signal The recovered E1 signal is decoded by an HDB3 decoder and sent to the receive path of the E1 framer in NRZ format The receive path characteristics can emulate either as a DSU or LTU as selected by the user in accordance with the required range The HDB3 decoder can provide performance statistics for evaluating line transmission quality when the CRC 4 option is not used by collecting data on the bipolar violations BPVs detected in
28. configuration functions listed above you can display specific status information on the module external ports using the DSP ST and DSP CON commands Starting from version 7 1 DCL 3 common logic you can use the DSP TS UTILIZATION and DSP TS ALLOC commands to display the timeslot utilization percentage and the number of timeslots free for use on the port module and system levels for all the ports of the Type 2 modules installed in the system D4E1 D8E1 Ver 10 1 Configuration Instructions 3 1 Chapter 3 Configuration Installation and Operation Manual 3 2 Configuration Instructions Starting a Configuration Session If the supervision terminal is not yet connected to the DXC connect the terminal and start a configuration session in accordance with the instructions appearing in Chapter 5 of the DXC Installation and Operation Manual Inclusion of D4E1 D8E1 Module in Database The DXC system automatically identifies the installed modules therefore skip this step if the D4E1 D8E1 module to be configured is already installed in the equipment chassis 1 If the D4E1 D8E1 module to be configured is not yet installed in the DXC type DEF SYS lt Enter gt 2 The system parameters data form is displayed A typical data form for a DXC 30 is shown below other DXC versions differ only in the number of slots to be confisured The form presents the current parameter values as defaults CLK MASTER CLK FBACK REDUNDANCY STATION CLOCK MATRIX M
29. d to select the data rate of the internal management port D4E1 D8E1 Ver 10 1 Configuration Instructions 3 11 Chapter 3 Configuration Installation and Operation Manual e The internal management port must be connected in this case its data rate is 64 kbps when one of the options which allocate a full timeslot to inband management traffic DEDIC D PPP or D FR is enabled on one of the module ports e Ilf inband management is not required you may select NC not connected Displaying D4E1 D8E1 Specific Information You can display status information on the D4E1 D8E1 module or module port using the DSP ST command To display the connection table and timeslot utilization for the selected module port use the DSP CON command Display of D4E1 D8E1 Module Status To display information on the software and hardware revisions and check for hardware failures on a selected D4E1 D8E1 module type DSP ST A lt Enter gt where A is the D4E1 D8E1 slot number 1 through 15 for the DXC 30 1 through 5 for the DXC 10A and 1 through 4 for the DXC 8R A typical D4E1 D8E1 status display is shown below DATABASE D8E1 HARDWARE D8E1 SOFTWARE REVISION XX YY HARDWARE REVISION XX YY HARDWARE FAILURE NO LINK TYPE UNBALANCE Display of D4E1 D8E1 Port Status To display information on a selected D4E1 D8E1 port type DSP ST A B Enter where A is the slot number 1 through 15 for the DXC 30 1 through 5 for the DXC 10A and 1 throug
30. ed by the BER test sequence generator in accordance with the BER testing parameters selected by the user The received signal is applied to the test sequence evaluator which detects the errors The error data is sent to the DCL module through the D4E1 D8E1 management subsystem Management Subsystem The management subsystem controls the operation of the DAEI D8E1 module under the control of the DCL module The management and supervision data is exchanged through the address and control buses part of the DXC bus When inband management is enabled the management subsystem transmits and receives management traffic through microprocessor interface In this case the management traffic exchanged through the port interfaces is transferred to the DCL module through an internal port operating at a data rate of 64 kbps El Port Interface Characteristics The E1 port interfaces of the D4E1 D8E1 module meet the applicable requirements of ITU T Rec G 703 G 704 G 706 G 732 and G 823 Framing The E1 port interfaces support both G732N and G732S multiframes 2 or 16 frames per multiframe respectively or unframed 2 Mbps data flow as per ITU T Rec G 703 in accordance with user s selection The user can also select the frame synchronization algorithm standard in accordance with ITU T Rec G 704 in accordance with AT amp T TR 62411 or a proprietary fast algorithm D4E1 D8E1 Ver 10 1 Functional Description 1 9 Chapter 1 Introduction I
31. eement This Agreement is effective upon your opening of the D4E1 D8E1 package and shall continue until terminated RAD may terminate this Agreement upon the breach by you of any term hereof Upon such termination by RAD you agree to return to RAD the D4E1 D8E1 and all copies and portions thereof For further information contact RAD at the address below or contact your local distributor International Headquarters North America Headquarters RAD Data Communications Ltd RAD Data Communications Inc 24 Raoul Wallenberg Street 900 Corporate Drive Tel Aviv 69719 Israel Mahwah NJ 07430 USA Tel 972 3 6458181 Tel 201 5291100 Toll free 1 800 4447234 Fax 972 3 6498250 6474436 Fax 201 5295777 E mail market rad com E mail market radusa com 1993 2008 RAD Data Communications Ltd Publication No 772 236 11 08 Quick Start Guide If you are familiar with the DAE1 D8E1 module use this guide to prepare it for operation l Connecting the Cables e Insert the module in the assigned I O slot e Connect the cables to the appropriate socket of the D4E1 D8E1 module 2 Configuration Procedure Configure each of the external ports using the command DEF PORT A B lt ENTER gt where A is the slot number and B is the number of each port to be configured 1 through 4 for D4E1 1 through 8 for D8E1 The configuration parameters and the allowed range of values are listed below First Page of External Port Parameters
32. equence sssssssssssssssssseesee hene nnn hen nn nh ennemi nene n niter 4 6 Troubleshooting New Connections sesssssesssesseeee nennen eene nenne nnne 4 6 General Troubleshooting ProceCure ccceeececeeeeeeeeeeeeeeaeeeeeeaeeeeeeesaaeeeesaaeeesesaaeeees 4 7 4 4 Frequently Asked Questions cc ccceceececee cece ea ee eee eee e ee eee nee ee nenne nnne hen nnnm nn nnne nnn nnne 4 7 4 5 Technical Support 000 2 eee een hhhe nnne rh nennen rh ness saan nennen nnne nnn 4 8 Appendix A Pinouts D4E1 D8E1 Ver 10 1 i Table of Contents Installation and Operation Manual ii D4E1 D8E1 Ver 10 1 Chapter 1 Introduction 1 1 Overview Purpose and Main Features This manual describes the technical characteristics applications installation and operation of the D4E1 D8E1 family of E1 multi port interface modules for the DXC 8R DXC 10A and DXC 30 multiservice access nodes The D4E1 D8E1 family provides four or eight independent E1 ports that comply with the requirements of ITU T Rec G703 G 704 G 706 and G 732 Each port supports up to 31 timeslots for a maximum payload capacity of up to 248 timeslots per module Each D4E1 D8E1 port can use G732N or G732S multiframes 2 or 16 frames per multiframe respectively in accordance with user s selection D4E1 and D8E1 can also be operated in an unframed mode to generate an ITU T Rec G 703 unframed signal In addition the user can also enable the CRC
33. er z E T or SMS Center Base Station a Billing Controller E Security E es Fraud Detection i Mobile Switchin Epa SS7 Signaling Analyzer le Swit z Sampled 2 Mbps Figure 1 5 Signaling Monitoring with Passive T Sampler Note Since high density modules usually require more than two bus links they have been designed as modules with dynamic timeslot allocation When designing a DXC application with these modules it is important to understand the Automatic Timeslot Allocation for various DXC modules described in Chapter 3 of the DXC Installation and Operation Manual and follow a number of important design and configuration guidelines recommended by RAD For design guidelines refer to Design Guidelines for a High Density Module Application Chapter 3 of the DXC Installation and Operation Manualj For configuration guidelines refer to Checking for Free Timeslots in Chapter 6 1 4 Overview D4E1 D8E1 Ver 10 1 Installation and Operation Manual Chapter 1 Introduction 1 2 Physical Description D4E1 Module Figure 1 6 shows the panel of the D4E1 module The panel includes four RJ 45 connectors one for each port A cable is available for providing an E1 unbalanced interface with BNC connectors to the user equipment LEDs on the front panel indicate a local or remote sync loss alarm for each line Figure 1 6 D E1 Module Panel D8E1 Module Figure 1 7 shows
34. erated by an internal test sequence generator towards the remote equipment The test sequence and the timeslots in which the sequence is transmitted are defined by means of the DEF BERT command e The transmitted data is returned by means of a loop somewhere along the data path to the test sequence evaluator The evaluator compares the received data bit by bit to the original data and detects any difference bit error The output of the evaluator is sampled during module polling to check whether errors were detected in the interval between consecutive pollings The test results are displayed on a supervision terminal as a number in the range of 0 no errors detected during the current measurement interval through 63535 D4E1 D8E1 Ver 10 1 Diagnostics 4 5 Chapter 4 Troubleshooting and Diagnostics Installation and Operation Manual The number of errors is accumulated from the activation of the BER test During the BER test the tested port is disconnected from the DCL module Digital Other Port Processing K gt Interface Unit DCL Interface Test Sequence Test Sequence Generator Evaluator Figure 4 5 BER Testing To display the test results perform the DSP BERT command see DXC Installation and Operation Manual for additional details 4 3 Recommended Test Sequence The loops available on the D4E1 D8E1 module provide a rapid and efficient way to identify the general location of a fault at one of the following locat
35. es and do not touch the module components or connectors 2 2 Installing the Module in the DXC Enclosure The D4E1 D8E1 modules do not have any user settings and therefore no preparations are required before installation Revise the system installation plan and Section 6 3 Checking for Free I O Slots of the DXC Installation and Operation Manual and insert the module in the assigned I O slot of the DXC enclosure The module starts operating as soon as it is plugged into an operating enclosure D4E1 D8E1 Ver 10 1 Installing the Module in the DXC Enclosure 2 1 Chapter 2 Installation and Setup Installation and Operation Manual 2 3 Connecting the Module Ports Module Connectors Module Versions with RJ 45 Connectors For these module versions each port interface is terminated in an eight pin RJ 45 connector wired in accordance with 7ab e 2 1 Table 2 1 RJ 45 Port Connector Pin Assignment Pin Pin Function 1 Receive Input ring 2 Receive Input tip 3 Frame Ground 4 Transmit Output ring 5 Transmit Output tip 6 Frame Ground 7 8 Not Connected Note Pins not listed in the table are not connected Module Versions with DB 44 Connectors For these module versions each port interface is terminated in a 44 pin DB 44 connector wired in accordance with 7ab e 2 2 2 2 Connecting the Module Ports D4E1 D8E1 Ver 10 1 Installation and Operation Manual Chapter 2 Installation and Setup Table 2 2 DB 44 Port Connecto
36. eslots 10 e Type NC e Destination timeslot 1 The result will be as follows timeslots 1 1 1 through 1 1 10 get disconnected from timeslots 3 1 1 through 3 1 10 and timeslots 1 1 11 through 1 1 20 remain connected to timeslots 3 1 11 through 3 1 20 The result can be displayed using the DSP CON command Port Timeslot Connection Map The timeslot connection map is used to route individually the timeslots of the selected port and select the timeslot type 3 10 Configuration Instructions D4E1 D8E1 Ver 10 1 Installation and Operation Manual Chapter 3 Configuration The timeslot connection map consists of several sections where each section covers seven timeslots The first timeslot map section covers the timeslots 1 through 7 the timeslot number appears in the TS line Each section consists of two pages A typical first page used to select the destination of each timeslot is shown below NO 1 NO 2 NO 3 NO 4 NO 5 NO 6 NO 7 03 2 10 03 2 11 04 1 13 07 1 30 12 2 14 07 2 29 07 2 24 For each timeslot you must select the destination The destination DEST includes the specification of the destination port followed by the destination timeslot the format is A B TT where A and B are the slot and port numbers and TT is the timeslot number Note that you can separately route the F bit which is indicated as timeslot F on El port timeslot maps Make sure the destination is not already connected to another port e When yo
37. for El frames toward the external port supported by DXC systems with software release 5 and higher Use this selection to enable the transmission of the full E1 data stream received from an internal E1 interface of a DE3 I O module through this port This is required to carry voice traffic RX GAIN LIMIT 3 4 Determines the maximum attenuation of the receive signal that can be compensated for by the port receive path to obtain the BER performance required by the standards LONG HAUL SHORT HAUL Maximum attenuation of 10 dB relative to the nominal transmit level Maximum attenuation of 36 dB relative to the nominal transmit level The lower attenuation may actually improve the performance when operating over relatively short line sections especially when operating over multi pair cables In such cables significant interference is generated by the signals carried by other pairs and therefore a weak desired signal may be masked by the interference MONITOR 12 The receiver provides gain of 12 dB to overcome the resistive loss of the monitor connection along with O to 6 dB of cable attenuation MONITOR 30 The receiver provides gain of 30 dB to Configuration Instructions overcome the resistive loss of the monitor connection along with O to 6 dB of cable attenuation D4E1 D8E1 Ver 10 1 Installation and Operation Manual Chapter 3 Configuration Parameter Function Values Default shown in bold S
38. g and identifies the interface connector pin assignment P ame EB ch 1 4 E ch 2 Uem H cn 3 ry E 9 mmis EB cha S PE iaig CBL G703 8 RJ45 7 amu mmm Eb chs San 1 a n ra EH che a ES ch 7 Ses DEB ch s Figure A 1 CBL G703 8 R 45 Cable D4E1 D8E1 Ver 10 1 CBL C703 8 RJ45 Cable A 1 Appendix A Pinouts Installation and Operation Manual Table A 1 CBL G703 8 k 45 Cable Wiring 44 Pin RJ 45 44 Pin RJ 45 RJ 45 J RJ 45 J Channel Connector Connector Channel Connector Connector Connector 7 Connector Pin Function Pins Pin Function Pins 31 RX Ring 1 37 RX Ring 1 17 RX Tip 2 23 RX Tip 2 1 CH 1 5 CH 5 16 TX Ring 4 22 TX Ring 4 1 TX Tip 5 7 TX Tip 5 33 RX Ring 1 38 RX Ring 1 32 RX Ti 2 3 RX Ti 2 2 CH 2 P 6 CH 6 2 P 2 TX Ring 4 8 TX Ring 4 3 TX Tip 5 9 TX Tip 5 34 RX Ring 1 40 RX Ring 1 2 RX Ti 2 2 RX Ti 2 3 CH 3 2 7 CH 7 P 19 TX Ring 4 25 TX Ring 4 4 TX Tip 5 10 TXTip 5 35 RX Ring 1 4l RX Ring 1 36 RX Tip 2 42 RX Tip 2 4 CH 4 8 CH 8 5 TXRing 4 11 TXRing 4 6 TX Tip 5 12 TX Tip 5 A 2 CBL G703 8 COAX Cable The CBL G703 8 COAX is a 2 meter long cable for use with the unbalanced E1 interfaces Fi
39. g matrix is controlled by the DXC common logic subsystem located in the DCL module The DXC common logic subsystem transmits the routing control data to a routing memory that stores the local D4E1 D8E1 routing database and controls the operation of the matrix This ensures that the operation of the D4E1 D8E1 routing matrix is coordinated with the operation of the main cross connect matrix located on the DCL module and thus utilize in the most efficient way the bandwidth of the DXC data bus refer to Chapter 3 of the DXC Installation and Operation Manual for a description of the DXC main routing matrix and DXC bus Because of the large number of bus links needed to support four or eight module ports timeslot allocation for the module is in accordance with the Type 2 allocation as described in Chapter 3 of the DXC Installation and Operation Manual This means that the module supports both types of timeslot allocation available on the DXC e Dynamic allocation bus bandwidth is automatically allocated in accordance with the actual number of timeslots routed to each port This approach utilizes the bus bandwidth in the most efficient way however it may cause short disruptions in traffic perceived by the users as short bursts of errors when bus timeslots are reassigned after inserting new modules or changing the bandwidth number of timeslots assigned to modules e Static allocation bus bandwidth is permanently assigned to each port on the
40. gure A 2 shows the cable construction d RX CHI emen E M 1 cua ius a E sje 2 coe TT EN TX zm Ey se 3 aE i TX CBL G703 8 COAX add EH RC on CHT a Fal s S CH8 aoe j EU se 8 amm ua WU TX Figure A 2 CBL G703 8 COAX Cable A 2 CBL G703 8 COAX Cable D4E1 D8E1 Ver 10 1 Installation and Operation Manual Appendix A Pinouts Table A 2 presents the cable wiring and identifies the interface connector pin assignment As listed in the table in this cable pin 15 cable type sensing is wired to pin 30 frame ground this enables the D4E1 D8E1 module to differentiate between the connection of this cable and the connection of the CBL G703 8 RJ45 cable Table A 2 CBL G703 8 COAX Cable Wiring 44 Pin Connector BNC 44 Pin Connector BNC Channel Function 7 f Contact Channel Function 7 7 Contact Pin Function Pin Function 31 Ring 37 Ring Shield 29 Frame Shield 29 Frame RA Ground RA Ground 17 Tip Center 5 23 Tip Center 1 1 Tip Center 7 Tip Center TX 16 Ring l TX 22 Ring l 14 Frame Shield 14 Frame Shield Ground Ground 33 Ring 38 Ri
41. h 4 for the DXC 8R and B is the module port number 1 to 8 A typical display format for a D4E1 D8E1 port is shown below L SYNC LOSS R SYNC LOSS NO NO LLB LOCAL REMOTE MONITOR N A OFF OFF OFF TX PLB BERT TX INBAND R INBAND N A N A OFF OFF TS REM OFF OOS CNTR BPV LAST MINUTE BPV WORST MINUTE Note The two lines with BPV counts are displayed only when the port operates with CRC 4 disabled 3 12 Configuration Instructions D4E1 D8E1 Ver 10 1 Installation and Operation Manual Parameter ALARM LOOPS OOS CNR BPV LAST MINUTE BPV WORST MINUTE Chapter 3 Configuration The fields included in the D4E1 D8E1 port status information display are explained in 7ab e 3 4 Table 3 4 D4E1 D8E1 Port Status Parameters Function Values Indicates the state of the port L SYNC LOSS alarms R SYNC LOSS Includes subfields that indicate the current state ON or OFF pip of the tests and loopbacks that can be activated for the selected port LLB LOCAL REMOTE MONITOR TX PLB TX LLB BERT T INBAND R INBAND TS REM Displays the number of local loss of frame alignment events detected since the last time the counters were cleared Displays the number of BPV events detected in the last minute Displays the number of BPV events detected during the worst minute since the last time the counters were cleared D4E1 D8E1 Ver 10 1 State of local frame synchronization State of remote frame synchr
42. ions The D4E1 D8E1 modules provide all the functions available on the other types of DXC E1 interface modules such as DE1B The main advantage of D4E1 D8E1 modules is the large number of ports available on each module which makes possible new applications High Density Applications Figure 1 1 shows a typical application that utilizes the large number of links that are supported by a DXC 30 chassis equipped with D8E1 modules a DXC 30 chassis equipped with 14 D8E1 modules and one DE3 module can be used to groom up to 112 fractional E1 links into one E3 link all this within a 3U high enclosure which also includes redundant power supplies and redundant common logic modules This capability enables the DXC 30 system to serve as the feeder for an E3 network or to access channelized E3 ports of higher order switches in the plesiochronous PDH and synchronous SDH digital hierarchies E1 or Fractional E1 Links 14 D8E1 Modules Figure 1 1 Typical High Density Grooming Application for DXC 30 Figure 1 2 shows another application that illustrates the high density which can be achieved with D4E1 D8E1 modules a 1U hish DXC 8R chassis can be used to provide T1 E1 conversion and cross connect services for up to 32 links For example the DXC 8R can be equipped with three D8E1 and one D8T1 modules to provide conversion from up to 24 fractional E1 links into 8 T1 links for transmission through a T1 transport network 1 2 Overview D4E1
43. ions e At one of the D4E1 D8E1 modules connected in a link e Inthe external user s equipment e Inthe connections of the user s equipment to the D4E1 D8E1 ports If a complaint is received regarding the transmission of data through one of the D4E1 D8E1 ports perform the following procedure until the problem is located After each step continue to the next step only if the specified test is successfully completed Troubleshooting New Connections If the problem is detected when a connection between two new users is activated for the first time before starting the general troubleshooting procedure described below perform the following checks e Thoroughly check the timeslot allocation e Check the configuration of the DXC and of the other equipment units that provide the new connection e Check the configuration of the user s equipment If these checks do not correct the problem perform the general troubleshooting procedure 4 6 Recommended Test Sequence D4E1 D8E1 Ver 10 1 Installation and Operation Manual Chapter 4 Troubleshooting and Diagnostics General Troubleshooting Procedure Perform the following procedure until the problem is located After each step continue to the next step only if the specified test is successfully completed e Request the local user to perform a local loopback on the user s equipment f the user s equipment does not receive its own signal while the loopback is connected the problem is i
44. ions o o o o o Operating instructions 0 o o o o Manual organization o o o o o Illustrations 0 o o o o The manual as a whole m m m o o What did you like about the manual Error Report Type of error s or problem s Incompatibility with product Difficulty in understanding text Regulatory information Safety Compliance Warnings etc Difficulty in finding needed information Illogical flow of information Style spelling grammar references etc o o o o O Missing information o o O Appearance m Other Please list the exact page numbers with the error s detail the errors you found information missing unclear or inadequately explained etc and attach the page to your fax if necessary Please add any comments or suggestions you may have Distributor End user VAR Other You are QOagaa Who is your distributor Your name and company Job title Address Direct telephone number and extension Fax number E mail Publication No 772 236 11 08 International Headquarters 24 Raoul Wallenberg Street Tel Aviv 69719 Israel Tel 972 3 6458181 Fax 972 3 6498250 6474436 E mail market rad com North America Headquarters 900 Corporate Drive Mahwah NJ 07430 USA Tel 201 5291100 Toll free 1 800 4447234 Fax 201 5295777 E mail market radusa com WWW rad com data communications The A
45. le pool This number is automatically calculated by the DXC as a sum of free timeslots left beyond MAX TS between the MAX TS and 31 all over the module ports For those ports where MAX TS was not defined DXC shows MAX TS as 0 and NUMBER OF FREE TS N A If the timeslot allocation mode was defined as dynamic this screen displays N A in all the fields A typical display for the DXC 30 with the DE1B D8E1 and D4E1 modules installed in the first second and third slot respectively is shown below The first slot does not appear in the display since DE1B is not a Type 2 module DSP TS ALLOCATION SLOT PORT NUMBER OF FREE TS MAX TS 2 1 6 31 2 2 1 26 2 3 20 20 2 4 1 26 2 5 3 28 2 6 0 31 2 7 0 31 2 8 N A 0 NUMBER OF FREE TS IN MODULE POOL 19 e Press spacebar to see the similar timeslot allocation screen for the next 4 NUMBER OF FREE TS IN MODULE POOL module DSP TS ALLOCATION SLOT PORT NUMBER OF FREE TS MAX TS 3 1 31 31 3 2 5 15 3 3 2 12 3 4 N A 0 D4E1 D8E1 Ver 10 1 Configuration Instructions 3 15 Chapter 3 Configuration Installation and Operation Manual 3 16 Configuration Instructions D4E1 D8E1 Ver 10 1 Alarm 09 10 16 29 Chapter 4 Troubleshooting and Diagnostics This chapter explains the module specific tests and diagnostic functions and provides information on the alarms generated by the D4E1 and D8E1 modules The chapter also includes tr
46. mapping of The D PPP and D FR traffic timeslots to the source port routing options are generally TSO F Transfer of management traffic is enabled The used with the RIP2 routing management traffic is transferred using the protocol national bits 34 through Sag For a description of the DEDIC Transfer of management traffic is enabled The various traffic routing options management traffic is transferred in a dedicated refer to nband Management timeslot using a RAD proprietary protocol Traffic Routing in Section C 4 D PPP of the DXC Installation and Operation Manual Transfer of management traffic is enabled The management traffic is transferred ina dedicated timeslot using synchronous PPP HDLC encapsulation D FR Transfer of management traffic is enabled The management traffic is transferred in a dedicated timeslot using frame relay encapsulation under DLCI 100 in accordance with RFC 1490 Note The inband management data rate is as follows e For the TSO method the supported data rates are 4 kbps use of only one Sa bit 8 kbps two Sa bits 12 kbps three Sa bits 16 kbps four Sa bits and 20 kbps all the five Sa bits e For the DEDIC D PPP and D FR the supported data rate is 64 kbps ROUTE PROT This field controls the NONE Routing not supported transmission of routing tables PROPRIET Routing of management traffic by means of the which enable the use of RAD proprietary protocol routing for management
47. me UNFRAMED Unframed 2 Mbps data flow as per ITU T Rec G 703 CRC 4 Enables the generation of check NO CRC 4 option disabled bits in accordance with the CRC 4 ygg CRC 4 option enabled polynomial specified by ITU T Rec G 704 for the frames transmitted on the selected external port and the checking of the check bits carried by the received frames D4E1 D8E1 Ver 10 1 Configuration Instructions 3 3 Chapter 3 Configuration Parameter Function Installation and Operation Manual Values Default shown in bold SYNC CCITT 62411 Changes the synchronization algorithm used by the selected external port to reduce the time required for the port to return to normal operation after local loss of synchronization FAST Complies with ITU T Rec G 732 In accordance with AT amp T TR 62411 after 10 seconds After 1 second LINK MODE This parameter controls the REGULAR handling of traffic routed to the selected external port within the D4E1 or D8bE1 module TRANS Enables independent routing of each timeslot This selection enables the timeslot cross connect function on the D4E1 D8E1 module and therefore the timeslots of an El port using regular routing can also be routed to other types of I O modules e g El T1 DIM DE3 DT3 or DHS modules Use this selection for routing data timeslots Enables transparent transfer of the whole El frame structure including timeslots O and 16
48. med as per G 703 ITU T Rec G 703 G 704 G 706 6 732 G 823 Software selectable 10 dB maximum line attenuation 36 dB maximum line attenuation Software selectable e 20 dB gain to compensate resistive attenuation e 32 dB gain to compensate resistive attenuation HDB3 Unbalanced E1 Port UNBAL Option Line Impedance Pulse Shape Technical Specifications 75Q ITU T Rec G 703 D4E1 D8E1 Ver 10 1 Installation and Operation Manual Timing Diagnostics Indicators Physical Power Consumption Timeslot Allocation Configuration D4E1 Connectors D8E1 Connectors Chapter 1 Introduction Four pairs of 1 0 2 3 mm female connectors one pair for each port Eight pairs of 1 0 2 3 mm female connectors or two 25 pin D type female connectors for all module ports Balanced El Port BAL Option Line Impedance Pulse Shape D4E1 Connectors D8E1 Connectors Port Timing Loopbacks Performance Monitoring S LOSS LOC red S LOSS REM red D4E1 D amp EL D4E1 D8E1 Ver 10 1 120Q ITU T Rec G 703 Four RJ 45 connectors one for each port Eight RJ 45 connectors one for each port or two 25 pin D type female connectors for all module ports e Receive timing recovered from incoming line signal e Transmit timing locked to the DXC master clock e DXC master clock can be locked to one of the recovered internal E1 port clock signals e User activated local and remote loopback on each El
49. n the equipment Use the corresponding equipment manual to locate the problem Check the connections to the user s equipment and the user s equipment itself After correcting the equipment connection problem continue troubleshooting as explained below e Activate the local loopback on the suspected E1 port In case the user s equipment does not receive its own signal when the loopback is connected the problem is in the local unit In case the signal is received when the local loopback is activated activate the remote E1 loopback In case the remote user equipment does not receive its own signal the problem is either related to the timeslot allocation or is an equipment problem caused by the remote unit 4 4 Frequently Asked Questions Question Is it necessary to configure the TSO inband management parameters for the two D8E1 D4E1 ports of a redundant pair Answer No For TSO management configuration for redundant D8E1 ports the configuration for inband management is necessary only in the first one of them For example for redundant ports 4 3 and 4 4 the management parameters must be configured only on port 4 3 Question What is the procedure for configuring a unidirectional broadcast application for dynamic modules D8T1 DAT1 D8E1 and D4E1 Answer The procedure for configuring a unidirectional broadcast application for these dynamic modules should be according the following example Broadcaster port 1 1 mu
50. nding port interface of the D4E1 D8E1 module Figure 4 2 shows the signal paths of a typical remote loopback activated on external port 1 Digital Bus Processing Ky Unit DCL Interface Other Port Interface Figure 4 2 Typical Remote Loopback Signal Paths The remote loopback is performed by connecting the port receive signal after regeneration to the port transmit path within the LIU The test signal is provided by the user equipment connected to the remote end of the link which must receive its own transmission Inband Code Activated Loopback The inband code activated loopback activated by the command LP INBAND A B is performed by transmitting within all the active timeslots the loopback activation sequence specified in ANSI T1 403 The activation sequence is generated by the test sequence generator of the port and is inserted in the required timeslots of the E1 data stream sent by the D4E1 D8E1 port When remote equipment which supports the inband code activated loopback receives the loopback activation sequence it connects a loopback at the output of its framer as shown in Figure 4 3 This loopback affects only the timeslots defined by the user by means of the DEF BERT command Remote Unit Other Port Digital Interface EINEN Interface Test Sequence Generator Figure 4 3 Typical Inband Code Activated Loopback Signal Paths 4 4 Diagnostics D4E1 D8E1 Ver 10 1 Installation and Oper
51. ng Shield 44 Frame Shield 44 Frame RS Ground pn Ground 32 Tip Center 39 Tip Center 3 Tip Center 6 9 Tip Center TX Ring l TX 8 Ring 29 Frame Shield 14 Frame Shield Ground Ground 34 Ring 40 Ring Shield 29 Frame Shield 29 Frame BA Ground RA Ground 20 Tip Center 26 Tip Center 3 4 Tip Center 7 10 Tip Center TX 19 Ring l TX 25 Ring l 14 Frame Shield 14 Frame Shield Ground Ground 35 Ring 41 Ring Shield 44 Frame Shield 44 Frame RX Ground RX Ground 36 Tip Center 42 Tip Center 6 Tip Center 8 12 Tip Center TX Ring l TX 11 Ring l 29 Frame Shield 14 Frame Shield Ground Ground Cable Type Sensing 15 Sense Input Signal Ground 30 Ground Frame Ground 44 Cable Shield D4E1 D8E1 Ver 10 1 CBL G703 8 COAX Cable A 3 Appendix A Pinouts Installation and Operation Manual A 4 CBL G703 8 COAX Cable D4E1 D8E1 Ver 10 1 RAD 24 Raoul Wallenberg Street Tel Aviv 69719 Israel Tel 972 3 6458181 Fax 972 3 6483331 972 3 6498250 E mail erika_y rad com Web site http www rad com The Access Company Customer Response Form RAD Data Communications would like your help in improving its product documentation Please complete and return this form by mail or by fax or send us an e mail with your comments Thank you for your assistance Manual Name D4E1 D8E1 version 10 1 Publication Number 772 236 11 08 Please grade the manual according to the following factors Excellent Good Fair Poor Very Poor Installation instruct
52. nstallation and Operation Manual The port interfaces also supports the CRC 4 option as specified in ITU T Rec G 704 thereby enabling the monitoring of the links to the DXC The framing mode and CRC 4 use are user programmable separately for each port Physical Interface D4E1 D8E1 modules use the HDB 3 line code Jitter performance complies with the requirements of ITU T Rec G 823 The D4E1 D8E1 E1 port interfaces have integral LTUs for long haul operation covering line attenuations up to 36 dB For short haul operation the user can configure the port interface to emulate a DSU in this case the maximum line attenuation is 10 dB For monitoring applications the receiver provides gain of 12 dB or 30 dB software selectable to overcome the resistive loss of the monitor connection along with O to 6 dB of cable attenuation Port Routing Mode To expedite the handling of the E1 data streams in particular those multiplexed into E3 or T3 data streams the user can specify the routing mode of each module ports e Regular Routing in this mode the routing subsystem can independently route the individual timeslots of the port This mode supports the timeslot cross connect function and therefore the timeslots of an E1 port using regular routing can also be routed to other types of I O modules such as DEIB DT1B DIM DE3 DT3 or DHS modules This mode enables the transmission of a full E1 data stream from a module port through
53. onization The relevant subfields are as follows Not applicable to D4E1 D8E1 modules Not applicable to D4E1 D8E1 modules State of user activated local loopback State of user activated remote loopback State of monitoring function Not applicable to D4E1 D8E1 modules Not applicable to D4E1 D8E1 modules State of BER test Transmission of inband loopback activation command to the remote equipment Reception of inband loopback activation command from the remote equipment Indicates that a loopback is performed on specific timeslots Configuration Instructions 3 13 Chapter 3 Configuration Installation and Operation Manual Display of D4E1 D8E1 Port Timeslot Map To display the current connection table and timeslot utilization for the selected D4E1 D8E1 port type DSP CON A B lt Enter gt You will see the first page of the timeslot map data form Each data form has several display pages each presenting data on a group of timeslots To proceed from page to page press the Enter key A typical timeslot map is shown below IO SLOT 1 PORT 1 Online DB Time Slot Cross Connect Mapping Configuration PORT TS UTILIZATION PERCENT 40 000 TS NO 1 NO 2 NO 3 NO 4 NO 5 NO NO 7 TYPE DATA B NC NC NC VOICE NC DEST 02 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 NO 8 NO 9 NO 10 NO 11 NO 12 NO 13 NO 14 TYPE NC MGMT NC VC MP NC NC NC DEST 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 0
54. oopback the signal received by the E1 port is regenerated and looped back to the transmit path of the port and then returned toward the remote equipment The remote loopback can also be activated on individual timeslots by transmitting the FT1 inband loopback activation code remote timeslot loopback e BER testing to enable testing of marginal links the D4E1 D8E1 module supports bit error rate BER testing on each port using a locally generated pseudorandom sequence D4E1 D8E1 Ver 10 1 Functional Description 1 11 Chapter 1 Introduction General El Port Characteristics 1 12 Installation and Operation Manual To provide compatibility with other BER testing equipment the user can select the pseudorandom pattern Performance Diagnostics The D4E1 D8E1 supports the collection of performance diagnostics using the CRC 4 function The collected performance data is similar to the requirements of AT amp T Pub 54016 If the CRC 4 function is disabled a D4E1 D8E1 port can still provide diagnostic information on bipolar violations detected at the port 1 4 Function Number of Ports D4E1 D8E1 Data Rate Framing Options Applicable Standards Interface Options Short Haul DSU Long Haul LTU Monitoring Mode Line Code Technical Specifications El multi port I O module 4 El ports 8 El ports 2 048 Mbps 50 ppm G 732N G 7325 with or without CRC 4 protection in accordance with ITU T Rec G 704 Unfra
55. ots to a D8U DHS D8HS or DIM port then start the mapping from the configuration screens of the DHS D8HS DIM or D8U port for detailed instructions refer to Chapter 3 of the corresponding Installation and Operation Manual TYPE This parameter is used to define the handling of NC Timeslot is not connected and the timeslots transferred to the destination port therefore carries the idle code DATA The timeslots will be handled as data timeslots This does not preclude the transfer of timeslots carrying voice traffic provided the equipment connected to the port does not need the conversion services offered by the DXC for voice timeslots MGMT This timeslot is dedicated to management traffic The selection is available only for D4E1 D8E1 modules installed in a DXC system with DCL 3 module when the DEDIC D PPP or D FR inband management mode is selected and the timeslot assignment mode is USER VOICE The data carried in the timeslot is handled as a voice channel Therefore when the timeslot is connected to a T1 timeslot the DXC performs automatically u law to A law conversion VC MP Similar to VOICE except that the A and B signaling bits are not inverted when the timeslot is connected to a T1 link D4E1 D8E1 Ver 10 1 Configuration Instructions 3 9 Chapter 3 Configuration Parameter Function DEST START TS This parameter is applicable only when the SEQ mode is selected Its function is to indicate
56. oubleshooting instructions The diagnostic information presented in this chapter supplements the general DXC diagnostics operation instructions contained in the DXC Installation and Operation Manual 4 1 Alarm Messages Table 4 1 lists the alarm messages generated by the D4E1 D8E1 module specifies their type event or state class major or minor and explains their meaning Note that each message has an identification code listed in parentheses The table lists the alarm messages in ascending order of their codes Note A state alarm is an alarm that is in the ON state while a certain condition Is present and automatically changes to OFF when the condition is no longer present This type of alarm cannot be cleared removed from the alarm buffer while it is in the ON state An event alarm is an alarm that records the occurrence of an event This type of alarm can be cleared at any time Table 4 1 D EI D8E1 Alarm Messages Alarm Syntax Meaning Type Class HARDWARE FAILURE IO A A hardware fault has been detected in the State Major D4E1 D8E1 module installed in the specified slot MODULE WAS REMOVED IO A The D4E1 D8E1 module installed in the specified Event Minor slot has been removed PROGRAMMED INSTALLED The modules that have been read from the DXC State Major MODULE MISMATCH do not match the modules programmed in the database SIGNAL LOSS IO A B Loss of input signal on specified El port State Major D4E1 D8E1 Ver 10 1
57. r Pin Assignment Pin Function Pin Function Pin Function Pin Function l CH 1TXTip 22 CH 5TXRing 9 CH 6TXTip 35 CH 4 RX Ring 2 CH 2TXRing 23 CH 5 RX Tip 10 CH 7 TX Tip 36 CH 4 RX Tip 3 CH 2 TX Tip 25 CH 7TXRing 11 CH 8 TX Ring 37 CH 5 RX Ring 4 CH 3 TX Tip 26 CH 7 RX Tip 12 CH 8 TX Tip 38 CH 6 RX Ring 5 CH 4 TX Ring 31 CH 1 RX Ring 16 CH 1 TX Ring 39 CH 6 RX Tip 6 CH 4 TX Tip 32 CH 2 RX Tip 17 CH 1 RX Tip 40 CH 7 RX Ring 7 CH 5 TX Tip 33 CH 2RXRing 19 CH 3 TX Ring 4l CH 8 RX Ring 8 CH 6TXRing 34 CH 3RXRing 20 CH 3 RX Tip 42 CH 8 RX Tip Connecting Cables to the Module Ports When the D4E1 D8E1 module operates the module connector supports both balanced and unbalanced interfaces For D4E1 every port is independent and can be balanced or unbalanced depending on the type of cable connected For D8E1 only one type of interface can be active the interface is selected by the user balanced or unbalanced Each type requires a different adapter cable e CBL G703 8 RJA5 this cable is used for balanced EI interfaces e CBL G703 8 COAX this cable is used for unbalanced E1 interfaces The port can automatically detect the type of adapter cable connected to the port cable if the cable does not match the configured interface an alarm is generated Table 2 3 shows the different types of cables required for making the connections to D4E1 D8E1 modules Table 2 3 D EI D8E1 Cables Interface D4E1 D8E1 Type
58. r serves as the transmit output of the port RX connector serves as the receive input of the port Connecting the Module Ports D4E1 D8E1 Ver 10 1 Chapter 3 Configuration This chapter provides configuration information for the D4E1 and D8E1 modules The configuration activities are performed by means of the management system used to control the DXC unit The instructions appearing in this chapter assume that you are familiar with the management system being used a supervision terminal or Telnet covered by the DXC Installation and Operation Manual or a network management system e g the RADview network management system refer to the 2ADv ew User s Manual for instructions 3 1 Outline of Configuration Procedure The configuration procedure for a new D4E1 D8E1 module includes the following main steps e Inclusion of a D4E1 D8E1 module not yet installed in the DXC into the DXC database It permits to preprogram the module parameters so when the module is installed in the enclosure it will immediately start operating in the desired mode This function is performed by means of the DEF sys command e Configuration of the external port parameters of the D4E1 D8E1 module using the DEF PORT A B command where A is the D4E1 D8E1 slot number and B is the port number e Configuration of the internal port parameters of the D4E1 D8E1 module using the DEF PORT A i1 command where A is the D4E1 D8E1 slot number In addition to the
59. rs in case the sequential mapping mode has been selected Note When using the TRANS transparent link mode you must map all the link timeslots one to one to the source port Therefore you cannot enable inband management for a port configured for the TRANS link mode A typical page is shown below MAP MODE START TS NUM OF TS DEST PORT TYPE DEST START TS SEQ 03 14 04 02 DATA 06 The parameters included on the third page are explained in 7ab e 3 3 Table 3 3 External Port Timeslot Connection Parameters Parameter Function Values Default shown in bold MAP MODE Selects the timeslot mapping mode for this SEQ Sequential mapping In this mode the port bundle of timeslots defined by the The selection of a timeslot mapping mode is START_TS and NUM_OF_TS parameters individually made for each port and does not routed to the destination port and affect the timeslot mapping mode used on any IS assigned Consecutve timeslots other port for example when the SEQ mode is starting with the timeslot defined by selected on one port this mode enables you the DEST_START_TS parameter to route a bundle of timeslots and that port USER Timeslots individually mapped by the is routed to a destination port whose mapping user mode is USER the timeslot mapping mode used at the destination port is not changed to SEQ START_TS This parameter is applicable only when the SEQ The allowed range of timeslots is 1 through 31 mode is selected Its function is to indic
60. signaling information from one or more timeslots of each voice channel and grooms all the timeslots onto one output E1 or E3 line The timeslots are sent to the network management station at the central or regional office for analysis Data from these timeslots indicate the quality of the connection and detect network faults The same or different timeslots can be broadcast to billing security fraud detector or other systems without adding line probes Additional destinations can be added at any time The lines that connect the DXC to the probe are configured as unidirectional so as not to interfere with the voice traffic passing on the line Since the traffic is transparent to the DXC it can support any signaling protocol provided that the signaling information resides in the same timeslot of each E1 link Figure 1 4 and Figure 1 5 show a DXC 8R chassis equipped with the D8E1 module in a signaling monitoring application using a patch panel and a passive T sampler respectively For details regarding the integration of the D4E1 and D8E1 modules in DXC systems and additional system applications refer to the DXC nstallation and Operation Manual D4E1 D8E1 Ver 10 1 Overview 1 3 Chapter 1 Introduction Installation and Operation Manual Mobile Switching Center or SMS Center Billing Patch Panel Sampler d Base Station Controller Figure 1 4 Signaling Monitoring with Patch Panel Sampler Passive E1 Tx and Rx T Sampl
61. st transfer five time slots to 1 2 and 1 3 DEF SYS gt Matrix Mode Bidirectional DEF PORT 1 1 five time slots mapped to port 1 2 UPD DB I U N e DEF SYS gt Matrix Mode Unidirectional 5 DEF PORT 1 3 gt five time slots mapped to port 1 1 Note that ports 1 1 and 1 2 will have a bi directional connection Port 1 3 will have a unidirectional connection to 1 1 D4E1 D8E1 Ver 10 1 Frequently Asked Questions 4 7 Chapter 4 Troubleshooting and Diagnostics Installation and Operation Manual When the broadcaster node comes from a dynamic module it should be configured as bi directional with one of the targets 4 5 Technical Support Technical support for this product can be obtained from the local distributor from whom it was purchased For further information please contact the RAD distributor nearest you or one of RAD s offices worldwide This information can be found at www rad com offices About RAD Worldwide Offices distributors Where to Buy End Users 4 8 Technical Support D4E1 D8E1 Ver 10 1 Appendix A Pinouts The following sections describe the two adapter cables and the functions of the 44 pin connector pins for each interface type A 1 CBL G703 8 RJ45 Cable The CBL G703 8 RJ45 is a 2 meter long cable for use with the balanced E1 and T1 interfaces This is the only cable suitable for use with D4E1 D8E1 modules Figure A 1 shows the cable construction 7ab e A 1 presents the cable wirin
62. stallation and Operation Manual Chapter 3 Configuration Repeat the procedure described above to change the modules types as required and then press Enter to display the fifth and last line which covers the I O slots 11 through 15 A typical last line of the system parameters data form is shown below IO NO 11 NO 12 NO 13 NO 14 NO 15 TYPE DIM DHS DE1 DSU DT1 CSU DHS 7 Change the module type for each slot as described above and then press Enter to end Configuration of External Port Parameters To configure the parameters of an external D4E1 D8E1 port type DEF PORT A B Enter where e Ais the D4E1 D8E1 slot number 1 through 15 for the DXC 30 1 through 5 for the DXC 10A and 1 through 4 for the DXC 8R e Bis the external port number 1 through 4 for D4E1 and 1 through 8 for D8E1 First Page of Internal Port Parameters You will see the first page of the external port parameters data form A typical page is shown below FRAME CRC 4 SYNC LINK MODE RX GAIN LIMIT SA4 SA5 SA6 SA7 SA8 G732N NO CCITT REGULAR SHORT HAUL TRANS TRANS TRANS TRANS TRANS The parameters included on the first page are explained in 7ab e 3 1 Table 3 1 First Page of External Port Parameters Parameter Function Values Default shown in bold FRAME Determines the framing method G732N 256N frame per ITU T Rec G 704 2 frames used by the selected external port per multiframe G732S 256S frame per ITU T Rec G 704 16 frames per multifra
63. the panel of the D8E1 module The panel includes one DB 44 female connector For the balanced version a cable is available converting the DB 44 connectors to eight RJ 45 balanced connectors For the unbalanced version a cable is available converting one DB 44 connector to 8 pairs of BNC unbalanced connectors LEDs on the front panel indicate a local or remote sync loss alarm for each line Figure 1 7 D8E1 Module Panel D4E1 D8E1 Ver 10 1 Physical Description 1 5 Chapter 1 Introduction 1 3 Functional Description Functional Block Diagram 1 6 Installation and Operation Manual Figure 1 8 shows the functional block diagram of the D8E1 module The block diagram of the D4E1 module version is similar except that it does not include the ports 5 through 8 and the associated circuits External DXC Bus x x D4E1 D8E1 Module PI i a 29 i8 Va E Main Clock E1 Receive clock Signals cllel e l Fallback Clock Clock Recovered from S 6s Generator E1 Line Signals aH Clock amp Timing 2 3 E Signals Zz 8 E a Clock E 9e 2 Selection ol o e olg S p 2 g e 5 3 r Als s of lt ots T al ja BERT l Subsystem 1 LIU 1 a i BERT Subsystem 4 4 Bus Interface On D8E1 Only p
64. u route to an El port you can select timeslots in the range of 1 through 31 e When you route to a T1 port you can select timeslots in the range of 1 through 24 and F After selecting the destinations of the timeslots press Enter to display the second page of the first section The second line is used to select the timeslot type A typical display is shown below NO 1 NO 2 NO 3 NO 4 NO 5 NO 6 NO 7 01 1 12 03 2 11 04 1 13 07 1 30 12 2 14 07 2 29 07 2 24 MGMT DATA DATA DATA DATA DATA DATA The type is selected as explained in 7ab e 3 3 The MGMT type means that this timeslot is dedicated to management traffic and therefore is available only when the DEDIC D PPP or D FR inband management mode is selected Any timeslots that are not used must be selected as NC not connected Select the desired connections using the procedure explained above When done press Enter to display the next section showing timeslots 8 through 14 Repeat the procedure until the last section ending with timeslot 31 is completed Press Enter on the last page to end the command Configuration of Internal Port Parameters e To configure the parameters of the internal management port type DEF PORT A il Enter where A is the D4E1 D8E1 slot number 1 through 15 for the DXC 30 1 through 5 for the DXC 10A and 1 through 4 for the DXC 8R A typical internal port data form is shown below DEDICATE TS AGGR SPEED 64K The data form is use

D4E1, D8E1 - RADProductsOnline

Contents

Download Pdf Manuals

Related Search

Related Contents