ETU-01(U) User Manual
Contents
1. 11 FOFUNCTIONAL DESCRIPTION A 14 ETEOOPBACK FEATURE oi 15 I S TYPICAL SYSTEM APPLICATION cada 15 CHAPTER 2 INSTALLATION 17 Dh MAE NE RIA IG 17 PREPARATION ada a 17 2 3 MECHANICAL ASSEMBLY ass caia 17 ELECTRICAL INSTALLATION idilio 17 17 2 4 2 ICAP DONC 6 ORNCCIOUS A ER A A 18 A 18 DOP VOCCOULE D ad cet 18 CHAPTERS OPERA TION 21 GE T TU ETT 21 32 CONTROLS AND INDICATORS 21 2 9 OPERATING PROCEDURE aaa 23 IIA ViISUGLANGICGIONS A aes teachable ates 23 202 tii 23 24 CHAPTER 4 TEST amp DIAGNOSTICS 25 AMENA DN 25 42 VESTS lobe xin E e mb ome mUPE VDO 25 4 5 BITEBROR RATE TESTER 25 44 LOCAL ANALOG LOOP BACK aia 26 AS DIGITAL LOOP BACK usada alada 26 4 6 REMOTE DIGITAL LOOP BACK 2 1 21 dL QUICK ELSEIF TES2. EXTERNAL EXTERNAL EXTERNAL DTE2 Follows ETC Input from ERC Input from ETC 4 EXTERNAL EXTERNAL EXTERNAL DTE3 Follows ETC Input from ETC Input from ETC Table B 4 Clock Mode Details 38 Appendix Interface Connections C 1 E1 Line Connectors 1 1 BNC Connectors Direction TX TTIP From ETUO1 Transmit data TRING Signal return RX RTIP 01 RRING gt Signal return Table C 1a E1 BNC connector pin allocation 1 2 RJ 45 Connector 45 E1 connector follows USOC RJ 48C standard for terminating equipment TRING From 01 Transmit data TTIP Transmit data RJ 45 RRING 0 Receive data RTIP Receive data 8 60612 Frame ground Table C 1b 1 45 connector allocation C 2 X 21 Data Module Connector When the ETU 01 is ordered with X 21 interface the physical interface is 15 pin female D type connector wired in accordance with Table C 2 SIGNAL FUNCTION CIRCUIT DIRECTION DESCRIPTION Protective es Chassis ground Ground May be isolated from Signal Ground Signal CIE El To ETU 01 Serial digital data from DTE Received R A Serial digital data at the output of the R B ETU 01 receiver Request to C A To ETU 01 A ON signal to the ETU 01 when data Sent C B transmission is desired Data Carrier I A Em ETU 01 Constantly ON except when Rx carrier Detect I B signal loss is detected Signal S A Fm ET
3. Table A 3 DIP SW2 Time Slot 8 to 15 Setting 30 Appendix DIP SW Setting ETUO1 4 DIP SW3 Time Slot 16 To 23 Setting cr 15 ON mesoiemne J 5 on mesomemne cr ___ J _ frimesrardsae 5 mesazrewe J cr 15 mesazeme Table A 4 SW3 Time Slot 16 to 23 Setting Note 1 In CAS mode PCM30 DIPSW3 1 must not be set to ON 31 Appendix DIP SW Setting ETUO1 5 DIP SW4 Time Slot 24 To 31 Setting 0 a on wesuzeme on _ Ov _ Ov 1 Ov 0 Table A 5 DIP SWA Time Slot 24 to 31 Setting 32 Appendix DIP SW Setting ETUO1 6 SW5 Parameter Group 1 Setting Table A 6 SW5 Parameter Group 1 Setting OFFION ON 1 1 or ON ___ ____ or NENNEN ON ___ or ___ ON or ______ 33 Appendix DIP SW S
4. 4 5 Local Digital Loop Back This test is activated by depressing the Loc dig loopbk button The test consists of looping the received data back to the remote ETUO1 This test checks the performance of the local ETUO1 the remote ETUO1 and the connections between them see Figure 4 3 Loc dig loopbk Depressed Local Data Terminal E1 ETU 01 Figure 4 3 Local digital loop back 26 Chapter 4 Test Diagnostics 4 6 Remote Digital Loop Back This test is activated by depressing the Rem loopbk push button The test determines the performance both of the local and the remote ETUO1 units as well as their interconnecting lines The remote digital loop back test consists of providing a loop back at the remote ETUO1 see Figure 4 4 A system test may be performed by first depressing the remote loop back switch then depressing the pattern switch The test pattern will be generated sent out the link and looped back by the remote unit If no errors are indicated by the error LED the link test has been successful Rem loopbk Depressed LOCAL DATA TERMINAL ETU 01 Remote Unit Figure 4 4 Remote digital loop back 4 7 Quick E1 Self test Use this Quick Test to check the El circuits for a standalone unit Set DIP switches all OFF except DIP SW5 1 ON Internal Osc Timing DIP SW6 1 ON 75 Ohm for Coax Cable DIP SW6 8 ON enable pushbuttons Connect the E1 Tx to E1 Rx with a single coaxial cable
5. 21 Table of Contents APPENDIX 29 ACL ETUOIALE DIP SWITCH OVERVIEW Ua ee beoe 29 2 DIPSWITMESLOTO TO7 SETTING dai 29 DIP SW2 TIME SLOT 8 TO 15 SETTING aiii 30 DIP SW3 TIME SLOT 16 23 5 000 31 5 SW4 TIME SLOT 24 TO 31 5 00 32 A 6 DIP SW5 PARAMETER GROUP 5 33 7 DIP SW6 PARAMETER GROUP 2 5 04 4 440400 0 34 AUS CLOCK MODE DETAILS ii 35 1 ETUOIU ALL SWITCH OVERVIEW 22 0 36 2 SW5 PARAMETER GROUP 1 5 36 DIP SW6 PARAMETER GROUP 2 5 37 By CLOCK MODE alos 38 C IBDLDDIINECONNEGCTORS 39 S tas iom tel coss ca eur A Mad odres 39 CA2 MN icis 39 C 2 X 21 DATA MODULE 0 0 0 39 9 R5 252 DATA MODULE CONNECTOR srt ata 40 35 DATA MODULE CONNECTOR as 41 C 5 5 530 DATA MODULE CONNECTOR 42 6 RS 530 RS 449 ADAPTER 4 6 000 0 0 43 C 7 G 703 64K CODIRECTIONAL 44 45 9
6. User Manual MM ETUO 1 ETUO1U Single Modular Data Port G 703 E1 Access Unit union UNION TECHNOLOGIES CO LTD CTC Union Technologies Ltd Far Eastern Vienna Technology Center 8F No 60 Zhouzi Street District Taipei 114 Taiwan ETUO1 ETUO1U 1 Access Unit User Manual Version 3 0 September 14 2009 Official Release This manual supports the following models ETUO1 AC universal AC model ETU TTU Modular ETUO1 DC universal 18 75V DC model ETU TTU Modular I F ETU01U AC unframed E1 universal AC model ETU TTU Modular ETU01U DC unframed El universal 18 75V DC model ETU TTU Modular For Version 3 models 45x195x155mm HxWxD with version 1 2 PCB For legacy models please download the old manual from CTC Union s website or contact our customer service Table of Contents CHAPTER T INTRODUCTION ii A 7 TOW BECOME sento 7 Ps PRODUCT DESCRIPTION 7 12 S estet OR ER ER 7 10 555 veh A Seiten 11 1 5 SYSTEM TIMING CONSIDERATIONS 2 0 10
7. Press the Pattern test switch Test LED will remain Red The E1 Tx and Rx circuits will be tested and pass if the Error LED is not lit Without any coaxial cable connected the logic circuits can be tested by pressing both the Pattern and ana loopbk switches Error should light 27 Chapter 4 Test amp Diagnostics This page left blank intentionally 28 Appendix DIP SW Setting ETU01 Appendix A 1 ETUO1 All DIP Switch Overview DIP SW GROUP FUNCTION COMMENT 1 Time slot 0 to 7 setting See Table A 2 2 Time slot 8 to 15 setting See Table jeaameeromerseung Table A 1 All DIP Switch Overview 2 SW1 Time Slot 0 To 7 Setting named made cr mestre J mesusdmue mesi atte J cr mestre mestre ON timer atte rmestaz sabe o ON mmeseremne Table A 2 DIP SW1 Time Slot 0 to 7 Setting 29 Appendix DIP SW Setting ETUO1 SW2 Time Slot 8 15 Setting Orr wmesusambs 0 Ov meso ente _ Ov timeslot erable Ov mesure _ meso 1z able ON timeslot enable if meso 13 ele Ov esae 0 rines 00
8. Rx timing Normal or Inverted Tx timing Normal or Inverted 45 Appendix Interface Connections C 9 ET100 10 100BASE TX Ethernet Bridge When the 01 15 ordered with ET10 100 Interface the unit is not only an access unit for E1 but also becomes a high performance WAN bridge for 10Base T or 100Base TX Ethernet extension The physical interface is a RJ 45 connector with the pin assignment as follows DIP Switch Settings STATE FUNCTION Enable filtering Disable Filtering control contol ON NO Auto negotiation Auto negotiation ON OFF FulDuplex ______ 10BASE T LAN speed 100BASE TX LAN speed Auto MO ore apres os ER Memory configuration configuration 1 EN ian ciudad configuration 2 Memory configuration 43 Reserved factory default settings effect when sw3 is auto negotiation is on 2 Note Some LAN card modules have a Power Managment feature The Tx Side won t transmit data in Sleep mode In this case if the Link status is not on the switch 6 needs to be on the position then the normal function should be remained 46 m m ok 6 GN 5 p A LED Indicators icati 100M yel ON Fast Ethernet Receive yel ON LAN Rx data Transmit yel ONZLAN Tx data Memory configuration detail 1 LAN to W
9. 2 Technical Specifications E1 link Framing Unframed ETUO1U only Unframed CCS PCM31 CAS PCM30 CRC4 ON OFF Bit Rate 2 048 Mbps Line Code HDB3 Line Impedance 75 ohms 120 ohms Relative Receive Level 0 to 43dB Pulse Amplitude Zero Amplitude Transmit Frequency Tracking Internal Timing Loopback Timing External Timing Jitter Performance Complies With Interface Connectors Nominal 2 37 10 for 75 ohms Nominal 3 00V 10 for 120 ohms 0 1V 30 ppm 50 ppm 100 ppm According to ITU T G 823 ITU T G 703 G 704 G 706 and G 732 BNC unbalanced RJ 45 balanced per USOC RJ 48C User Data Channel Modular Interfaces Interface Connectors V 35 Interface RS 530 RS 449 X 21 RS 232 G64 codirectional NRZ ET100 ET100R Line Code Data Rate Clock Modes Clock Mode 0 DCE1 Clock Mode 1 DCE2 Clock Mode 2 DTE1 Clock Mode 3 DTE2 Clock Mode 4 DTES Control Signals Time slot allocation Chapter 1 Introduction V 35 RS 530 RS 449 RS 530 Plus cable X 21 RS 232 G64K codirectional NRZ 100 Bridge ET100R Router 34 pin M Block Female 25 pin DB25 Female 37 pin DB37 Female adapter cable 15 pin DB15 Female 25 pin DB25 Female 15 pin DB15 Female Female 4 RJ 45 LAN connector RJ 45 LAN connector NRZ except Ethernet and G64 HDB3 G64 codirectional NRZI plus 4B 5B Ethernet Nx56kbps or Nx64kbps where N equal 1 to 31
10. Functions 1 Loc dig loopbk The local digital loop back switch causes the local ETU01 to loop E1 received data to its transmitter 2 Loc ana loopbk The local analog loop back switch causes the local ETUO1 to loop transmitter output back to its receiver The transmitter sends ones data to the line This loop back may also be activated from the DTE when the data port loop back test function is set to ENA enable 3 Rem loopbk The remote loop back switch causes the remote ETUO1 to loop E1 received data to its transmitter This loop back may also be activated from the DTE when the data port loop back test function is set to ENA enable The pattern switch causes the ETUO1 to send and receive a 511 test pattern If errors are encountered the Error LED indicator lights Table 3 2 LED indicators Flashing when data is transmitted EBENE Flashing when data 16 received Sent 5 when valid receive signal is present Loss when transmitted clock is lost 7 Signal Loss ON when received signal is lost 0 when received frame sync is lost Alarm ON when El link has an alarm Include BPV error error Frame slip All ones Remote alarm errors are detected ON when the ETUO is in any loop back mode or Pattern is depressed 22 Chapter 3 Operation 3 3 Operating Procedure The ETUO1 requires no operator attention once installed except for occasio
11. When on commands ETU 01 into local Loopback loopback can disable dipsw 158 From ETU 01 ON during any test mode Indicator Table C 5 RS 530 data module connector pin allocation 42 Appendix Interface Connections C 6 RS 530 to RS 449 Adapter Cable When the ETU 01 15 ordered with a RS 449 interface the physical interface is a 25 pin D type connector RS 530 with an adapter cable to 37 pin male D type connector wired in accordance with Table C 6 SIGNAL RS 449 RS 449 mw Protective Chassis ground Fm aye sated rom sgn gro 2 sme 0000 Received RD A Serial digital data at the output of the Comes ose a o n Request to 7 RS A A ON signal to the ETU 01 when data DM A Constantly ON 2 ome Data Terminal TR A DIR not used used tor a received Ready TR B serial data rate clock input from the DTE Data Carrier RR A Constantly ON except when a loss of s imerecoivea camer signal External Transmit 17 TT A A transmitted data rate clock input Transmit ST A A transmitted data rate clock for use Goce s z sme ro Receive 17 RT A A received data rate clock for use by o m PENES M Wh
12. in CCS and equal 1 to 30 in CAS 2 048Mbps Unframed Receive and transmit clock recovered to the synchronous DTE Receive and transmit clock internal oscillator to the synchronous DTE Receive clock to the synchronous and transmit clock from the synchronous device Receive and transmit clock from the synchronous DCE from ETC and ERC pin Receive and transmit clock from the synchronous DCE all from ETC pin CTS constantly ON DSR constantly ON except during test loops DCD constantly ON except during signal loss User defined N A for Unframed Diagnostics Test Switches Diagnostics LED indicators PWR TD RD RTS DCD Tx CLK Loss Signal Loss Sync Loss Alarm Error Test Physical Height Width Depth Weight Power supply Voltage Frequency Green Green Green Green Green Red Red Red Red Red Red Power consumption Environment Temperature Humidity Chapter 1 Introduction Digital local loop back Analog local loop back Digital remote loop back Test pattern generator Power Transmit data Receive data Request to sent Data carrier detect Transmit clock loss line signal loss line sync loss E1 line alarm include BPV error CRC4 error Frame slip All ones AIS Remote alarm Bit errors during integral BERT Loop back and pattern test enabled 45 mm 1 3 4 195 mm 7 5 8 155 mm 6 1 8 0 5 kg 1 Ib 2 oz 90 250VAC universal AC mo
13. model s internal regulator module accepts DC voltages from 18 to 75 volts ETUO1 data channel supports user selectable transmission rates which integer multiples of 56 or 64kbps up to a maximum 2 048Mbps for a line attenuation of up to 43 dB on twisted pair or coax cable This provides an approximate operating range up to 2km 22AWG The ETU01U data interface supports a full 2 048Mbps unframed rate ONLY ETUO1 packs the data channel into E1 link time slots in user selected time slots The unused time slots can insert IDLE code In frame mode or insert the receive side time slots data In cascade mode The ETUO1U only supports unframed mode and transparently uses the entire E1 bandwidth The ETUO1 fully meets all of the E1 specifications including ITU T G 703 G 704 G 706 G 732 and G 823 14 Chapter 1 Introduction 1 7 Loopback Feature The ETUO1 features V 54 diagnostic capabilities for performing local loop back and remote digital loop back The operator at either end of the line may test both the ETUO1 and the line in the digital loop back mode The loop back is controlled by either a manual switch or by the V 35 interface A front panel switch generates an internal 511 bit pseudo random test pattern according to for direct end to end integrity testing The Error indicator flashes for each bit error detected 1 8 Typical System Applications The fractional 1 data service 15 bas
14. module connector pin allocation 41 Appendix Interface Connections C 5 RS 530 Data Module Connector When the ETU 01 is ordered with RS 530 interface the physical interface is a 25 pin female D type connector wired in accordance with Table C 5 SIGNAL FUNCTION PIN CIRCUIT DIRECTION DESCRIPTION Protective Chassis ground Ground May be isolated from signal ground Signal Transmitted BA A rere BA B To ETU 01 Serial digital data from DTE Received BB A Serial digital data at the output of the BBB ETU 01 01 receiver Request to CA A To ETU 01 A ON signal to the ETU 01 when data Sent CA B transmission is desired Clear to CB A CEA From ETU 01 Constantly ON Data Set CC A Constantly ON F ETU 01 ir CC B Except during test loops Data CD A DTR not used used for a received Terminal CD B To ETU 01 serial data rate clock input from the Ready DTE Data Carrier CF A From ETU 01 Constantly ON except when a loss of Detect CF B the received carrier signal is detected External 1 Transmit DA A To ETU 01 A transmitted data rate clock input DA B from the data source clock Transmit DB A A transmitted data rate clock for use F ETU 01 Ki DB B by an external data source Receive 17 DD A A received data rate clock for use by DD B come an external data source Remote When on commands ETU 01 into RL To ETU 01 remote loopback can disable by Loopback dipsw Local
15. the E1 timing will be set to Recovery to synchronize to the SDH network s timing In the following example one unit will provide the E1 timing either by using its internal oscillator V 35 SYNC Routers Channelized E1 Cross __ E1 Router Connect SS ng 2 V 35 ETUO1 Figure 1 8 Application with Channelized E1 16 Chapter 2 Installation Chapter 2 Installation 2 1 General This chapter provides detailed instructions for mechanical installation of the ETUO1 Following the completion of installation please refer to Chapter 3 for operating information 2 2 Site Preparation Install the ETUO1 within reach of an easily accessible grounded AC outlet DC power capable units connect via terminal block connection Allow at least 10 cm 4 inch clearance at the rear of the ETUO1 for signal lines and interface cables 2 3 Mechanical Assembly ETUO1 is designed for tabletop or bench installation and is delivered completely assembled provisions are made for bolting the ETUO1 to the tabletop 2 4 Electrical Installation 2 4 1 Power connection AC power is supplied to the ETU01 through a standard 3 prong IEC C6 receptacle Refer to Figure 2 1 while the DC model utilizes a three pin terminal block Refer to Figure 2 2 The ETU01 should always be grounded through the protective earth lead of the AC power cable or via Frame Ground FG terminal connection 2 4 2 Rear panel connectors The G 703 El interface
16. AN 308 packets WAN to LAN 32 packets 2 LAN to WAN 170 packets WAN to LAN 170 packets LAN to WAN 32 packets WAN to LAN 308 packets Appendix Interface Connections C 10 ET100R 10 100BASE TX Ethernet Router When the ETU 01 15 ordered with an ET100R Interface the unit is not only access unit for 1 but also becomes a high performance Router for 10Base T or 100Base TX Ethernet LAN connection Configuration of the router is beyond the scope of this manual Please refer to the CDROM based instructions that are included with the router module The LAN physical interface is a RJ 45 connector The ET100R router module is configured with CLI commands on RS 232 serial interface or via Telent Configuration is also supported by web browser GUI A special cable must be used to connect serial terminal to the modules DIN connector Pinouts are provided below for reference L3 ne 4 5 Signal ground mmm Send 8 CTS Clearto Send 47 Appendix D Interface Module Options At the time of this printing the ETU 01 has nine types of user replaceable data channel modules 1 ETU TTU V35 V 35 Module Provides fully compliant ITU T V 35 interface on a Female M block 34 pin connector Operates at any n56 n64 fractional or unframed E1 speed No additional cable is included This module presents DCE signals to a directly connected DT
17. E device 11111111 2 ETU TTU 530 RS 530 Module Provides one fully compliant ElA RS 530 interface a female type 25 connector Operates at any n56 n64 fractional or unframed E1 speed No additional cable is included This module presents DCE signals to a directly connected DTE device 3 ETU TTU 449 RS 449 Module Provides one fully compliant EIA RS 449 interface by placing an adapter cable on the ETU TTU 530 module and providing a male D type 37 pin connector Operates at any n56 n64 fractional or unframed E1 speed The additional cable is included This module presents DCE signals to a directly connected DTE device 48 Appendix D Interface Module Options 4 ETU TTU X21 X 21 Module Provides one fully compliant ITU T 21 interface on a female D type 15 pin connector Operates at any n56 n64 fractional or unframed speed No additional cable is included This module presents DCE signals to a directly connected DTE device 5 ETU TTU 232 RS 232 Module Provides one fully compliant EIA RS 232 SYNC interface on a female D type 25 pin connector Operates at n56 n64 fractional E1 speed up to 128Kbps ASYNC 19 2 No additional cable 15 included This module presents DCE signals to a directly connected DTE device 6 ETU TTU G64 G 703 64K Module Provides one fully compliant G 703 Codirectional line code 64Kbps interface on a female D type 15 pin connector Oper
18. ET100 10 100BASE TX ETHERNET BRIDGE crm 46 C 10 100 10 100BASE TX ETHERNET ROUTER mH 47 48 2 TOU aa 48 48 49 49 OE 0108 5 UM PE 49 7 2 TUNRA 50 NNI ANNE SINIUALLUL ME 50 12 00 TREE 50 Chapter 1 Introduction Chapter 1 Introduction 1 0 Welcome Thank you for selecting the ETUO1 for your 1 service termination We hope you find this device in perfect working order and that it provides many years of reliable service 1 1 Product Description The ETUO1 is a single modular port access unit for 1 or Fractional 1 service The ETUO1U 15 a single modular serial port access unit for Unframed 1 only The ETUO1 AC model has a universal auto switching power supply 90 250VAC while the DC model s internal regulator module accepts DC voltages from 18 to 75 volts A number of user replaceable data modules are available in the ETU TTU series for use in the single port ETUO1 including serial modules for RS 232 V 35 RS 530 449 X 21 as well as Ethernet bridge and router modules Additionally legacy modules are available for hard to find interfaces such as G 703 64K Codirectional and NRZ Please refer to the appendix for complete descriptions of the available interface options 1
19. SW5 bits 5 8 DIPSW6 bits 4 5 do not matter 2 DIP SW5 Parameter Group 1 Setting OFF Clock mode 0 DCE1 Clock mode 1 DCE1 Clock mode 2 DTE1 Clock mode 3 DTE2 2 Clock mode 4 DTE3 ON Reserved OFF Reserved O Reserved Line code 2 O Don t care Don t care Don t care Don t care No function on ETUO1U O Don t care Don t care 2 Don t care Don t care Table B 2 SW5 Parameter Group 1 Setting O 2 36 Appendix DIP SW Setting ETUO1U DIP SW6 Parameter Group 2 Setting OFF ure mpedercar120 Ohm Coaxial ONG ON impecanes 75 efus cr 212771277 OFF cD aways ON _ On ocDiclons RTS except E1 cr emm _ oN emm 1 2 OFF proa ON Ente OFF Front panel psn tons Deae ON Front panel psn butors Enae Table B 3 DIP SW6 Parameter Group 2 Setting 37 Appendix DIP SW Setting ETUO1U B 4 Clock Mode Details CLOCK DIPSW 5 E1 LINE USER DATA PORT MODE STATE TRANSMIT RECEIVE TRANSMIT 1 2 3 CLOCK CLOCK CLOCK 0 DCE1 Output to Output to TC 1 INTERNAL INTERNAL INTERNAL DCE2 OSCILLATOR Output to RC Output to TC 2 EXTERNAL RECOVERY EXTERNAL DTE1 Follows ETC Output to RC Input from ETC 3 on ON
20. TUO1 and the El line Before testing the operation of the data system equipment and their line circuits ensure that all units are turned on and are configured correctly Note DIP SW6 8 must be set ON to enable the front panel push button switches 4 3 Bit Error Rate Tester When depressing the Pattern push button switch the Bit Error Rate Tester BERT be activated in any diagnostics test in which the test pattern transmitted 15 received by another ETUO1 see Figure 4 1 When used opposite another ETU01 either with the Pattern push button switch depressed or with an external BERT transmitting the same pattern V 52 511 bit the complete link can be tested If errors are encountered the Error indicator LED will blink for intermittent errors or remain on continuously for continuous errors In this example both units at the ends of the E1 link have their pattern generators enabled Pattern Depressed External BERT 511 4 ETU 01 ETU 01 Pattern Depressed Figure 4 1 BERT operation 25 Chapter 4 Test Diagnostics 4 4 Local Analog Loop Back This test is activated by depressing the Loc ana loopbk button This test checks the performance of the ETUO 1 the local data terminal and the connections between them It is performed separately at the local and the remote sites see Figure 4 2 Loc ana loopbk Depressed E1 CLK para j XMTR DATA CLK row ETU 01 Figure 4 2 Local analog loop back
21. U 01 A transmit data rate clock for use by an Timing S B external data source External Tx 7 B A A serial data rate clock input from the 01 Table 2 X 21 data module connector pin allocation 39 Appendix Interface Connections C 3 RS 232 Data Module Connector When the ETU 01 is ordered with a RS 232 interface the physical interface is 25 pin female D type connector wired in accordance with Table C 3 SIGNAL FUNCTION 2 CIRCUIT DIRECTION DESCRIPTION es Chassis ground May be isolated from signal ground Signal eee ee To ETU 01 Serial digital data from DTE IE ES Pa Serial digital data at the output of the ETU 01 Data receiver Request to CA To ETU 01 A ON signal to the ETU01 when data Sent transmission is desired E X ILE From ETU 01 Constantly ON Sent Data Set From ETU 01 Constantly ON Ready except during test loops Data Terminal CD To ETU 01 Ready Data Carrier CF From ETU 01 Constantly ON excepi When a loss of the Detect received carrier signal is detected External ETU 01 transmitted data rate clock input from the data source clock Transmit From ETU 01 A transmitted data rate clock for use by an Clock external data source Receive 17 From ETU 01 A received data rate clock for use by an Clock external data source Table RS 232 data module connector pin allocation 40 Appendix Interface Connections C 4 V 35 Data Module Connecto
22. ates at 64Kbps only No additional cable is included User must supply their own DB15F connector 2 5 dos T 4 k a 49 Appendix D Interface Module Options 7 ETU TTU NRZ NRZ Module Provides one NRZ interface on four 4 female BNC type connectors Operates at any n56 n64 fractional or unframed E1 speed The 4 signal cables provide TxData RxData TxClk and RxCIk 8 ETU TTU ET10 100 Ethernet Bridge Module Utilizes standard LAN pin out one 45 connector providing connection to Ethernet 10Base T or Fast Ethernet 100 networks utilizing UTP unshielded twisted pair cabling Operates at any n56 n64 fractional or unframed E1 speed Joug Woo m Ln 41 1 9 ETU TTU ET100R Ethernet Router Module Provides Ethernet 8023 or IEEE802 3u Router function over the WAN when matched to another ET100R module Cisco router or a compatible router under PPP or HDLC protocol The interface connection is an auto MDI X 10 100BASE TX Ethernet on a shielded RJ 45 connector Configuration is via RS 232 terminal Telnet or via web based GUI Operates at any n56 n64 fractional or unframed E1 speed 50 Union Technologies Inc Fax 886 2 27991355 Tel 886 2 26591021 E mail info ctcu com Taipei Taiwan Attn Technical Support Division From Compa
23. connectors located on the rear panel of the ETUO1 incorporate two BNC Coax and an RJ 45 connectors Appendix C amp D provide detailed information on the various interface connectors 90 250Vac i ET LINK 47 63Hz 0 5A EPI L pc weer 3 El LINK 18 T5Vnc Figure 2 2 ETUO1 rear panel DC Chapter 2 Installation 1 Line BNC coax connector Two BNC coax connectors marked TX and RX 45 Connector The pin assignments for the RJ 45 connector are as follows Pin Function TTIP Transmit data out 5 Transmit data out LT 1 2 RTIP Receive data RRING Receive data in Cable and Termination Use a shielded twisted pair cable between the ETUO1 and the DTE device The receivers on the ETUO1 are 100 Ohm terminated If problems are encountered with the connection to the V 35 DTE interface make sure that the DTE interface is terminated correctly 2 5 DIP Switches 2 5 1 Caution To avoid accidental electric shock disconnect the ETUO1 power cord before opening the cover Access inside the equipment is only permitted to authorized and qualified service personnel 2 5 2 Procedure Turn power OFF Disconnect all interface connections and the power cord from the AC outlet Loosen the screws at the left right of the rear panel Remove the PCB Adjust the DIP switches as required according to the tables in Appendix A Replace the PCB and tighten the screws Return all inte
24. del 18 75VDC universal DC model 47 to 63 Hz for AC 10 Watts 10 60 C 15 140 F 0 to 95 non condensing Chapter 1 Introduction 1 3 E1 signal structure The El line operates at a nominal rate of 2 048Mbps The data transferred over the El line is organized into frames with each frame containing 256 bits The 256 bits consist of 32 time slots of eight bits each which carry the data payload 1 transmission utilizes two main types of framing Frame Alignment Signal FAS and Multi Frame Alignment Signal MFAS Framing is necessary in order for equipment receiving the E1 signal to be able to identify and extract the individual channels PCM 30 CAS transmission system use MFAS framing along with the FAS framing PCM 31 CCS transmission system use only FAS framing Frame Alignment Signal FAS The 2 048 Mbps frame consists of 32 individual time slots numbered 0 31 As described previously each time slot consists of an individual 64Kbps channel of data In the FAS format time slot 0 of every other frame is reserved for the frame alignment signal pattern Alternate frames contain the FAS Distant Alarm indication bit and others bits reserved for national and international use Multi Frame Alignment Signal MFAS MFAS framing uses Channel Associated Signaling CAS to transmit A B C D bit signaling information for each of 30 channels This method uses the 32 time slot frame format with time slot 0 for the FAS and tim
25. e slot 16 for the Multi Frame Alignment Signal and the Channel Associated Signaling E1 line signal The basic 1 line signal is coded using the Alternate Mark Inversion AMI or rule In the AMI format ones are alternately transmitted as positive and negative pulse whereas zeros are transmitted as a zero voltage level AMI is not used in most 2 048Mbps transmissions because synchronization loss occurs during long strings of data zeros In the HDB3 format a string of four consecutive zeros is replaced with a substitute string of pulses containing an intentional bipolar violation The HDB3 code substitutions provide high pulse density so that the receiving equipment is able to maintain synchronization with the received signal 10 Chapter 1 Introduction 1 4 ETU01 Capabilities E1 link line coding The ETU01 and ETU01U support two E1 line codes AMI coding HDB3 coding E1 framing formats ETUO1 supports three formats Unframed format FAS CCS PCM 31 format MFAS CAS PCM 30 format The ETU01U supports only unframed format User data channel rates The ETUO1 supports user data channel rates which are a multiple of 56 or 64kbps For maximum flexibility the ETUO1 supports data rates up to 2 048Mbps ETUO1 supports flexible time slot assignment allowing the user to freely specify the selection of time slots The ETU01U supports unframed operation with a data rate of 2 048Mbps only 1 5 System T
26. ed on the assumption that the user data rate is a fraction of the available 1 bandwidth in multiples of 56K or 64K In a typical application Figure 1 6 the ETUO1 is used to connect the synchronous user DTEs over an El line V 35 SYNC V 35 SYNC Router Router E1 mr V 35 V 35 ETUO1 ETUO1 Figure 1 6 1 Point to Point Application When connected in this fashion one ETUO1 must have its clock set to Internal Oscillator to provide a reference clock for the 1 The unit on the opposite side of the link will set its clocking to Recovery Line coding Framing and Timeslot assignment must match on both sides The ETUO1 supports assigning timeslots any order from 1 to 31 64Kbps to 1984Kbps timeslots When set to unframed the ETUO1 provides full 2048Kbps throughput between the V 35 DTE devices The ETUO1U 16 not capable of fractional E1 operation and should be used where only an unframed transparent 2 048Kbps transmission is required Chapter 1 Introduction In the previous application the ETUO1 is connected over hardwire point to point The ETUO1 can also be connected to an 1 network or to E1 s provided by SDH equipment Within the SDH network the E1 can be cross mapped at the VC12 level to provide point to point connections V 35 SYNC V 35 SYNC Routers ETUO1 zi Routers V 35 1 Transport er ENER 7 1 SHD y V 35 V 35 Figure 1 7 E1 Point to Point over SDH Application In these cases
27. en on commands ETU 01 into RL remote loopback can disable by Loopback dipsw Local When on commands ETU 01 into local c Table C 6 RS 530 to ae pin allocation 43 Appendix Interface Connections C 7 G 703 64K Codirectional Connector When the ETU 01 is ordered with a G 703 64K interface the physical interface is a 15 pin female D type connector wired in accordance with Table C 7 SIGNAL FUNCTION DIRECTION DESCRIPTION Protective lt gt Chassis ground Ground May be isolated from Signal Ground Signal a To ETU 01 Serial Codirectional data from DTE Received Serial Codirectional data at the 11 output of the ETU 01 receiver Table C 7 G 703 64K Codirectional pin allocation 44 Appendix Interface Connections C 8 G 703 NRZ When the ETU 01 is ordered with a G 703 NRZ interface the physical interface is 4 BNC female connectors wired in accordance with Table C 8 Specifications Line Code NRZ Impedance 50 ohms Signal Level Logic 1 OV 0 3V Logic 0 1 5V 0 3V Speed 2048K Max SIGNAL FUNCTION DIRECTION DESCRIPTION Received Serial NRZ data at the output of the Received 2 Serial NRZ timing at the output of the ETU 01 receiver ETU 01 Serial NRZ data from To ETU 01 Serial NRZ timing from DTE Timing Table C 8 G 703 NRZ BNC pin allocation Settings by adjustment of jumpers on interface card
28. etting ETUO1 A 7 SW6 Parameter Group 2 Setting ewe bu juemees t m mmus or pomestma Imanes OFF ocDawaye ON except 00000 ON cD RTS 00 heera o peser on On Enable OFF rro panel pas Dae Table 7 SW6 Parameter Group 2 Setting 34 Appendix DIP SW Setting ETUO1 8 Clock Mode Details CLOCK DIPSW 5 LINE USER DATA PORT MODE STATE TRANSMIT RECEIVE TRANSMIT 1 2 3 CLOCK CLOCK CLOCK 0 RECOVERY RECOVERY DCE1 5 Output to Output to TC 1 INTERNAL INTERNAL INTERNAL DCE2 OSCILLATOR Output to RC Output to TC 2 EXTERNAL RECOVERY EXTERNAL DTE1 Follows ETC Output to RC Input from ETC 3 on EXTERNAL EXTERNAL EXTERNAL DTE2 Follows ETC Input from ERC Input from ETC 4 EXTERNAL EXTERNAL EXTERNAL DTE3 Follows ETC Input from ETC Input from ETC Table A 8 Clock Mode Details 35 Appendix DIP SW Setting ETUO1U B 1 ETUO1U DIP Switch Overview DIP SW GROUP FUNCTION COMMENT Parameter group 1 setting See Table B 2 Parameter group 2 setting See Table B 3 Table B 1 All DIP Switch Overview Note The ETUO1U operates in unframed mode ONLY The user data rate 15 fixed at 2048K DIPSW1 to DIPSW4 are not installed on the PCBA The settings for DIP
29. gnaling that is typical with voice over E1 applications See SW1 1 SW5 5 amp SW5 6 3 Timeslot assignment determines the data rate ETUO1 supports completely random assignment Timeslot settings have no effect if framing is Unframed see DIP SW1 2 3 4 5 4 Line coding is typically HDB3 but the ETUO1 also supports AMI see DIP SW5 4 5 E1 timing when connecting to ISP is almost always recovery or clocked from the main E1 timing see DIP SW5 1 2 3 recovery timing has them all set OFF 23 Chapter 3 Operation 3 4 Quick Start Guide V 35 SYNC u V 35 SYNC Router Internal Oscillator timing E1 Recovery timing Router ME m gt 35 V 35 ETUO1 ETUO1 Based on the above point to point application use the following DIP switch graphic to visually set the ETUO1 units This example will use CCS PCM31 framing with CRC4 and provide 1024kbps 16 timeslots throughput ON Enabled Pushbuttons ON Coaxial 75 Ohms OFF TP 120 Ohms ON CRC4 Enabled ON Internal Clock OFF E1 Recovery TS1 16 1024kbps OFF E1 UNFRAMED 24 Chapter 4 Test Diagnostics Chapter 4 Test Diagnostics 4 1 General This chapter contains procedures for performing system diagnostic tests 4 2 Loop Back Tests The loop back test buttons Loc dig loopbk Loc ana loopbk and Rem loopbk and the LED indicators built into the ETUO1 allow for rapid checking of the data terminal E
30. iming Considerations The ETUO1 has the flexibility to meet the timing requirements of various system configurations The timing mode for the 1 link and the user data channel selected by the setting of DIP switches E1 link timing The ETUO1 link receive path always operates on the receive clock The ETU01 recovers the receive clock from the received E1 link data signal The source of the ETUO1 El link transmit clock can be selected by the user The following E1 link transmit timing modes are available Recovery loop back timing ETUO1 link transmit clock is locked to the recovered receive clock This is usually the timing mode selected for network operation Internal timing The ETUO1 link transmit clock is derived from the internal clock oscillator This timing mode is necessary in point to point applications over leased line In this case ETUO1 must use the internal oscillator and the others must operate from the recovered clock External timing The ETUO1 El link transmit clock is locked to the clock signal provided by the user DCE connected to the data channel When the data channel is used as the clock source the data channel must use clock timing mode 3 DTE2 4 11 Chapter 1 Introduction The ETUO1 can select from one of five clocking mode settings Clock mode 0 DCE 1 The ETUO1 data channel operates as a DCE and provides both transmit and receive clocks
31. mpedance Lt ARCA 8 TG Phase 4 DCD setting o J 5 7 ESA E 1281 212 VENE 0 E 581 AE SAG __ P 2 a 8 Frontpanelswitch Enabe Please advise any additional comments union E t E info ectcu com 886 2 2659 0237 ww w T 886 2 2659 1021 gt
32. n connected to other DCE equipment by using a cross over data cable and by setting the clock mode to the DTE2 setting NOTE The X 21 data channel cannot be operated in clock timing mode 3 DTE2 Clock Mode 3 External DCE Connected transceiver Figure 1 4 External Timing The clock input from the ERC pin provides clocking source for the receive timing while clock input from the ETC pin provides the clocking source for the user data transmit timing and the E1 transmit link 13 Chapter 1 Introduction Clock mode 4 DTE 3 The ETUO1 data channel is physically wired as DCE classed as communication equipment However the ETUO1 may operate as a DTE when connected to other DCE equipment by using a cross over data cable and by setting the clock mode to the DTE3 setting ETUO1 data channel then operates as DTE and accepts both transmit clock and receive clock both from the ETC pin from the user equipment Clock Mode 4 External DCE Connected Equipt transceiver Figure 1 5 External Timing The clock input from the ETC pin provides both clocking sources for the receive timing and for the user data transmit timing as well as clock for the E1 transmit link 1 6 Functional Description ETUO1 is a single port access unit for E1 or Fractional E1 service The ETUO1U is a single port access unit for Unframed E1 only The ETUO1 AC model has a universal auto switching power supply 90 250VAC while the DC
33. nal monitoring of the front panel indicators Intervention is only required when 1 The ETUO1 has to be adapted to new operational requirements 2 Diagnostic loops are required 3 3 1 Visual Indicators The ETUO1 is turned on when its AC power cord or central office DC power is connected to an AC power outlet or the DC input connections and the power switch is turned to the ON position Initially all LEDs will light followed by all LEDs flashing rapidly 5 times This will indicate that the ETUO1 is on and CPU has booted successfully Verify the is in operation by checking that the front panel LED s match the following indicator conditions PWR ON TD ON OFF or Flashing RD ON OFF or Flashing RTS ON Off if no DTE device is connected DCD ON Off if E1 is not linked Tx CLK Loss OFF Signal Loss OFF On if no E1 receive signal is detected Sync Loss OFF On if E1 has no frame sync Alarm OFF Err OFF Test OFF 3 3 2 Configuration Settings When connecting this equipment to service providers line gather the following information then refer to the DIP switch tables to provision the unit 1 Connect by Coaxial or Twisted Pair cable Coaxial cable terminates in BNC connectors 075 Ohms while twisted pair uses the RJ 45 connector 120 Ohms See SW6 1 2 Frame type is Unframed CCS PCM31 or CAS 30 with or without CRC4 Unframed is also called transparent or un structured E1 CAS includes si
34. ny Name Tel Fax MODEL O ETU01 O ETU01U ACTIVITY As attached in DIP switch setting table SYS CONFIGURATION Question Technical Inquiry Form MODEL No O ETUO1 O ETU01U Please fill in the DIP switches configuration with v marks into the following table Send it to us by fax and we will reply to you immediately ane BERN 1 Unframed framea 01414 2 7 11414 3 2 4 _________ 14 0 5 8 4 6 jrmeset5 114 7 6 8 Jjrmesot 7 J SW2 1 8 8 111422 2 jrmeset9 4 3 4 11 J 5 8 12 6 JjJTmesot 13 7 8 JTmesot 5 SW3 1 jTmesot 6 2 8 217 J Timesot 18 O o y O Timesot 19 o o J Timeslot 20 C o Timesot 21 p 7 Timestot 22 o 4 Timesot 28 Timesot 24 Timesot 25 i 4 7 30 Timesot 310 Jj SW5 1 2 8 j dekMoe Lr 12 12 5 jFameMode Elite eme 7 JjdeCoe p 8 DataPortRate 7 11 1 Linel
35. r When the ETU 01 is ordered with a V 35 interface the physical interface is a 34 pin female M type connector wired in accordance with Table C 4 SIGNAL FUNCTION LI CIRCUIT DIRECTION DESCRIPTION Protective eus Chassis ground Ground May be isolated from signal ground Signal Signal ETU 01 Serial digital data from Received R RD A From ETU 01 Serial digital data at the output of the ETU 01 Data T RD B receiver Request to 5 ETU 01 A ON signal to the EIU when data Sent transmission is desired From ETU 01 Constantly ON Sent Data Set From ETU 01 Constantly ON Ready except during test loops Data Terminal DTR To ETU 01 Ready Data Carrier DCD From ETU 01 Constantly except When a loss of the Detect received carrier signal is detected U ETC A A transmitted data rate clock input from the Transmit To ETU 01 data source clock Transmit Y TC A A transmitted data rate clock for use by an F ETU 01 Receive V RC A A received data rate clock for use by an External Z ERC A To ETU 01 A received serial data rate clock input from Receive clock BB ERC B the DTE Remote When on commands ETU 01 into remote Loopback LIES Toe loopback can disable by dipsw Local To ETU 01 When on commands ETU 01 into local Loopback loopback can disable by dipsw AES From ETU 01 ON during any test mode 00000002 ON during any test mode 00000002 any test mode Table C 4 V 35 data
36. recovered timing to the data terminal equipment connected to the user channel The clocks are locked to the recovered E1 timing Clock Mode 0 Recovery TC DTE Connected Equipt transceiver Figure 1 1 Recovery timing Clock mode 1 DCE 2 The ETUO1 data channel operates as a DCE and provides both transmit and receive clocks internal oscillator timing to the data terminal equipment connected to the user channel The clocks are locked to the oscillator timing Clock Mode 1 Internal DTE Connected Equipt transceiver Figure 1 2 Internal Timing The internal oscillator provides the clocking source for both the user data receive timing out the RC and TC pins and the E1 transmit timing 12 Chapter 1 Introduction Clock mode 2 DTE 1 In the transparent clocking mode the ETUO1 data channel supplies the receive clock to the synchronous DCE and accepts a transmit clock from the DCE from the ETC pin The DCE must transmit data at the rate of the clock signal supplied by the ETUO1 Clock Mode 2 Transparent DCE ETC Connected Equipt transceiver Figure 1 3 Transparent Timing The E1 receive clock provides the clocking source for the user data receive timing out the RC pin The user data transmit timing is input from the ETC pin and provides the clock for the E1 transmit link Clock mode 3 DTE 2 The ETUO1 data channel is physically wired as DCE However the ETU01 may operate as a DTE whe
37. rface and power connections Turn power ON Y 01 18 Chapter 2 Installation Figure 2 3 ETUO1 DIP Switches Version 1 2G PCB Chapter 2 Installation Figure 2 4 ETUO1U DIP Switches Version 1 2G PCB Note There are no timeslot setting switches SW1 4 on the ETUO1U model 20 Chapter 3 Operation Chapter 3 Operation 3 1 General This chapter describes the ETUO1 controls and indicators explains operating procedures and supplies instructions for settings Installation procedures in Chapter 2 must be completed and checked before attempting to operate the ETUO1 3 2 Controls and Indicators All controls push button switches and LED indicators are located on the ETUO1 front panel Depress a push button to activate turn ON the corresponding control Release the push button to deactivate turn OFF the control The function of each push button and indicator is described in Table 3 1 and Table 3 2 JER RTE MT ES LJ x 4 union o 2 gt e SS Kod e So 6 LS e vr 48 Loc ana El Line Test loopbk loopbk loopbk Pattern Figure 3 1 ETUO1 Front Panel ETUO1U 4 S union 27 27 e lt E s jx yx e HO 0 0 a Loc dig 158 ong Ram Date ET Line Test loopbk loopbk loopbk Pattern Figure 3 2 ETUO1U Front Panel 21 Chapter 3 Operation Table 3 1 Control
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