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ETU01-Plus 
ETU01U-Plus 

Single V.35 Port 
G.703 E1 Access Unit 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание ETU01-Plus

Страница 1: ...ETU01 Plus ETU01U Plus Single V 35 Port G 703 E1 Access Unit ...

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Страница 3: ...9 Official Release Version 1 1 August 21 2009 Update Version 1 11 December 2 2009 correction Version 1 2 March 25 2010 Update Version 1 3 February 9 2011 Update This manual supports the following models ETU01 Plus AC universal AC model Fixed V 35 ETU01 Plus DC universal 18 75V DC model Fixed V 35 ETU01U Plus AC unframed E1 universal AC model Fixed V 35 ETU01U Plus DC unframed E1 universal 18 75V D...

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Страница 5: ...2 3 MECHANICAL ASSEMBLY 17 2 4 ELECTRICAL INSTALLATION 17 2 4 1 Power connection 17 2 4 2 Rear panel connectors 17 2 5 DIP SWITCHES 18 2 5 1 Caution 18 2 5 2 Procedure 18 CHAPTER 3 OPERATION 21 3 1 GENERAL 21 3 2 CONTROLS AND INDICATORS 21 3 3 OPERATING PROCEDURE 23 3 3 1 Visual Indicators 23 3 3 2 Configuration Settings 23 3 4 QUICK START GUIDE 24 CHAPTER 4 TEST DIAGNOSTICS 25 4 1 GENERAL 25 4 2 ...

Страница 6: ... 5 DIP SW4 TIME SLOT 24 TO 31 SETTING 31 A 6 DIP SW5 PARAMETER GROUP 1 SETTING 32 A 7 DIP SW6 PARAMETER GROUP 2 SETTING 33 A 8 CLOCK MODE DETAILS 34 B 1 ETU01U PLUS ALL DIP SWITCH OVERVIEW 35 B 2 DIP SW5 PARAMETER GROUP 1 SETTING 35 B 3 DIP SW6 PARAMETER GROUP 2 SETTING 36 B 5 CLOCK MODE DETAILS 37 C 1 E1 LINE CONNECTORS 38 C 1 1 BNC Connectors 38 C 1 2 RJ 45 Connector 38 C 2 V 35 DATA CONNECTOR 3...

Страница 7: ...ng power supply 90 250VAC while the DC model s internal regulator module accepts DC voltages from 18 to 75 volts 1 2 Technical Specifications E1 link Framing Unframed ETU01U Plus only Unframed CCS PCM31 CAS PCM30 CRC4 ON OFF Bit Rate 2 048 Mbps Line Code AMI HDB3 Line Impedance 75 ohms 120 ohms Relative Receive Level 0 to 43dB Pulse Amplitude Nominal 2 37V 10 for 75 ohms Nominal 3 00V 10 for 120 o...

Страница 8: ...lock Mode 1 DCE2 Receive and transmit clock internal oscillator to the synchronous DTE Clock Mode 2 DTE1 Receive clock to the synchronous and transmit clock from the synchronous device Clock Mode 3 DTE2 Receive and transmit clock from the synchronous DCE from ETC and ERC pin Clock Mode 4 DTE3 Receive and transmit clock from the synchronous DCE all from ETC pin Control Signals CTS constantly ON DSR...

Страница 9: ... Loss Red E1 line signal loss Sync Loss Red E1 line sync loss Alarm Red E1 line alarm include BPV error CRC4 error Frame slip All ones AIS Remote alarm Error Red Bit errors during integral BERT Test Red Loop back and pattern test enabled Physical Height 45 mm 1 3 4 Width 195 mm 7 5 8 Depth 155 mm 6 1 8 Weight 0 5 kg 1 lb 2 oz Power supply Voltage 90 250VAC universal AC model 18 75VDC universal DC ...

Страница 10: ...rame 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 time slot 16 ...

Страница 11: ...er data channel are selected by the setting of DIP switches E1 link timing The ETU01 Plus E1 link receive path always operates on the receive clock The ETU01 Plus recovers the receive clock from the received E1 link data signal The source of the ETU01 Plus E1 link transmit clock can be selected by the user The following E1 link transmit timing modes are available Recovery loop back timing The ETU0...

Страница 12: ... 2 The ETU01 Plus 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 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 DT...

Страница 13: ...3 DTE 2 The ETU01 Plus data channel is physically wired as DCE However the ETU01 Plus 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 DTE2 setting NOTE The X 21 data channel cannot be operated in clock timing mode 3 DTE2 Figure 1 4 External Timing The clock input from the ERC pin provides clocking source for the recei...

Страница 14: ...e ETU01 Plus 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 The ETU01 Plus data channel supports user selectable transmission rates which are 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 approximat...

Страница 15: ...rate is a fraction of the available E1 bandwidth in multiples of 56K or 64K In a typical application Figure 1 6 the ETU01 Plus is used to connect the synchronous user DTEs over an E1 line Figure 1 6 E1 Point to Point Application When connected in this fashion one ETU01 Plus must have its clock set to Internal Oscillator to provide a reference clock for the E1 The unit on the opposite side of the E...

Страница 16: ...ent Within the SDH network the E1 can be cross mapped at the VC12 level to provide point to point connections Figure 1 7 E1 Point to Point over SDH Application In these cases 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 Figure 1 8 Application with Channelized E1 ...

Страница 17: ...stallation and is delivered completely assembled No provisions are made for bolting the ETU01 Plus to the tabletop 2 4 Electrical Installation 2 4 1 Power connection AC power is supplied to the ETU01 Plus 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 Plus should always be grounded through the pr...

Страница 18: ...onnection 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 ETU01 Plus power cord before opening the cover Access inside the equipment is only permitted to authorized and qualified service personnel 2 5 2 Procedure 1 Turn power OFF 2 Disconnect all interface connections and the power c...

Страница 19: ...Chapter 2 Installation 19 Figure 2 3 ETU01 Plus DIP Switches Version 1 1G PCB ...

Страница 20: ...Chapter 2 Installation 20 Figure 2 4 ETU01U Plus DIP Switches Version 1 1G PCB Note There are no timeslot setting switches SW1 4 on the ETU01U Plus model ...

Страница 21: ...and checked before attempting to operate the ETU01 Plus 3 2 Controls and Indicators All controls push button switches and LED indicators are located on the ETU01 Plus 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 Figure ...

Страница 22: ...able 4 Pattern The pattern switch causes the ETU01 Plus to send and receive a 511 test pattern If errors are encountered the Error LED indicator lights Table 3 2 LED indicators Item Indicator Color Meaning 1 PWR Green ON when power is on 2 TD Green ON when SPACE is being transmitted Flashing when data is transmitted 3 RD Green ON when SPACE is being received Flashing when data is received 4 RTS Gr...

Страница 23: ...inked 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 con...

Страница 24: ...with CRC4 and provide 1024kbps 16 timeslots throughput 8 7 6 5 4 3 2 DIPSW4 TS24 31 1 8 7 6 5 4 3 2 DIPSW3 TS16 23 1 8 8 7 7 6 6 5 5 4 4 3 3 2 2 DIPSW2 TS8 15 1 DIPSW6 1 8 8 7 7 6 6 5 5 4 4 3 3 2 2 DIPSW1 TS1 7 1 DIPSW5 1 TS1 16 1024kbps ON Internal Clock OFF E1 Recovery ON CRC4 Enabled ON Coaxial 75 Ohms OFF TP 120 Ohms ON Enabled Pushbuttons Internal Oscillator timing E1 Recovery timing OFF E1 U...

Страница 25: ...epressing the Pattern push button switch the Bit Error Rate Tester BERT can be activated in any diagnostics test in which the test pattern transmitted is received by another ETU01 Plus see Figure 4 1 When used opposite another ETU01 Plus 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...

Страница 26: ...ocal analog loop back 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 ETU01 Plus This test checks the performance of the local ETU01 Plus the remote ETU01 Plus and the connections between them see Figure 4 3 Figure 4 3 Local digital loop back E1 ETU 01 XMTR RCVR Loc ana loopbk Depressed DAT...

Страница 27: ...rs are indicated by the error LED the link test has been successful Figure 4 4 Remote digital loop back 4 7 Quick E1 Self test Use this Quick Test to check the E1 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 Press the Pattern t...

Страница 28: ...up 2 setting See Table A 7 Table A 1 All DIP Switch Overview A 2 DIP SW1 Time Slot 0 To 7 Setting DIP SW1 NO STATE FUNCTION COMMENT OFF Unframed mode 1 ON Framed mode OFF Time slot 1 disable 2 ON Time slot 1 enable OFF Time slot 2 disable 3 ON Time slot 2 enable OFF Time slot 3 disable 4 ON Time slot 3 enable OFF Time slot 4 disable 5 ON Time slot 4 enable OFF Time slot 5 disable 6 ON Time slot 5 ...

Страница 29: ... disable 2 ON Time slot 9 enable OFF Time slot 10 disable 3 ON Time slot 10 enable OFF Time slot 11 disable 4 ON Time slot 11 enable OFF Time slot 12 disable 5 ON Time slot 12 enable OFF Time slot 13 disable 6 ON Time slot 13 enable OFF Time slot 14 disable 7 ON Time slot 14 enable OFF Time slot 15 disable 8 ON Time slot 15 enable Table A 3 DIP SW2 Time Slot 8 to 15 Setting ...

Страница 30: ... 17 enable OFF Time slot 18 disable 3 ON Time slot 18 enable OFF Time slot 19 disable 4 ON Time slot 19 enable OFF Time slot 20 disable 5 ON Time slot 20 enable OFF Time slot 21 disable 6 ON Time slot 21 enable OFF Time slot 22 disable 7 ON Time slot 22 enable OFF Time slot 23 disable 8 ON Time slot 23 enable Table A 4 DIP SW3 Time Slot 16 to 23 Setting Note 1 In CAS mode PCM30 DIPSW3 1 must not b...

Страница 31: ...5 disable 2 ON Time slot 25 enable OFF Time slot 26 disable 3 ON Time slot 26 enable OFF Time slot 27 disable 4 ON Time slot 27 enable OFF Time slot 28 disable 5 ON Time slot 28 enable OFF Time slot 29 disable 6 ON Time slot 29 enable OFF Time slot 30 disable 7 ON Time slot 30 enable OFF Time slot 31 disable 8 ON Time slot 31 enable Table A 5 DIP SW4 Time Slot 24 to 31 Setting ...

Страница 32: ... DTE1 ON ON OFF Clock mode 3 DTE2 OFF OFF ON Clock mode 4 DTE3 ON OFF ON Reserved OFF ON ON Reserved 1 2 3 ON ON ON Reserved See Table A 9 OFF Line code HDB3 4 ON Line code AMI OFF Frame mode CCS PCM31 5 ON Frame mode CAS PCM30 OFF CRC4 OFF 6 ON CRC4 ON OFF Idle code Mark 0xFF 7 ON Idle code Flag 0x7E OFF Data channel rate N 64 8 ON Data channel rate N 56 Table A 6 DIP SW5 Parameter Group 1 Settin...

Страница 33: ...OFF Synchronous see Note 1 5 ON Asynchronous OFF Reserved 6 ON Reserved OFF Data port loopback Disable 7 ON Data port loopback Enable OFF Front panel push buttons Disable 8 ON Front panel push buttons Enable Table A 7 DIP SW6 Parameter Group 2 Setting Note 1 In normal operation this switch should be left OFF However if running a transparent asynchronous application TD RD and no clock enable this s...

Страница 34: ...tput to RC RECOVERY Output to TC 1 DCE2 ON OFF OFF INTERNAL OSCILLATOR INTERNAL Output to RC INTERNAL Output to TC 2 DTE1 OFF ON OFF EXTERNAL Follows ETC RECOVERY Output to RC EXTERNAL Input from ETC 3 DTE2 ON ON OFF EXTERNAL Follows ETC EXTERNAL Input from ERC EXTERNAL Input from ETC 4 DTE3 OFF OFF ON EXTERNAL Follows ETC EXTERNAL Input from ETC EXTERNAL Input from ETC Table A 8 Clock Mode Detail...

Страница 35: ... DIPSW5 bits 5 8 and DIPSW6 bits 4 5 do not matter B 2 DIP SW5 Parameter Group 1 Setting DIP SW5 NO STATE STATE FUNCTION COMMENT OFF OFF OFF Clock mode 0 DCE1 ON OFF OFF Clock mode 1 DCE1 OFF ON OFF Clock mode 2 DTE1 ON ON OFF Clock mode 3 DTE2 OFF OFF ON Clock mode 4 DTE3 ON OFF ON Reserved OFF ON ON Reserved 1 2 3 ON ON ON Reserved See Table A 9 OFF Line code HDB3 4 ON Line code AMI OFF Don t ca...

Страница 36: ... OFF Synchronous see Note 1 5 ON Asynchronous OFF Reserved 6 ON Reserved OFF Data port loopback Disable 7 ON Data port loopback Enable OFF Front panel push buttons Disable 8 ON Front panel push buttons Enable Table B 3 DIP SW6 Parameter Group 2 Setting Note 1 In normal operation this switch should be left OFF However if running a transparent asynchronous application TD RD and no clock enable this ...

Страница 37: ...utput to RC RECOVERY Output to TC 1 DCE2 ON OFF OFF INTERNAL OSCILLATOR INTERNAL Output to RC INTERNAL Output to TC 2 DTE1 OFF ON OFF EXTERNAL Follows ETC RECOVERY Output to RC EXTERNAL Input from ETC 3 DTE2 ON ON OFF EXTERNAL Follows ETC EXTERNAL Input from ERC EXTERNAL Input from ETC 4 DTE3 OFF OFF ON EXTERNAL Follows ETC EXTERNAL Input from ETC EXTERNAL Input from ETC Table B 5 Clock Mode Detai...

Страница 38: ...eceive data RX Sleeve RRING Signal return Table C 1a E1 BNC connector pin allocation C 1 2 RJ 45 Connector The RJ 45 E1 connector follows USOC RJ 48C standard for terminating equipment Pin Designation Direction Function 4 TRING Transmit data 5 TTIP From ETU01 Plus Transmit data 7 FG Frame ground 1 RRING Receive data 2 RTIP To ETU01 Plus Receive data RJ 45 8 FG Frame ground Table C 1b E1 RJ 45 conn...

Страница 39: ...antly ON Data Set Ready E DSR From ETU01 Plus Constantly ON except during test loops Data Terminal Ready H DTR To ETU01 Plus Not used Data Carrier Detect F DCD From ETU01 Plus Constantly ON except when a loss of the received carrier signal is detected External Transmit clock U W ETC A ETC B To ETU01 Plus A transmitted data rate clock input from the data source Transmit Clock Y AA TC A TC B From ET...

Страница 40: ...Appendix C Interface Connections 40 This page left blank intentionally ...

Страница 41: ...n Technical Support Division From Company Name Tel Fax MODEL ETU01 Plus ETU01U Plus ACTIVITY As attached in DIP switch setting table SYS CONFIGURATION Question Fax 886 2 27991355 Tel 886 2 26591021 E mail info ctcu com Taipei Taiwan ...

Страница 42: ...eslot 9 3 Timeslot 10 4 Timeslot 11 5 Timeslot 12 6 Timeslot 13 7 Timeslot 14 8 Timeslot 15 SW3 1 Timeslot 16 2 Timeslot 17 3 Timeslot 18 4 Timeslot 19 5 Timeslot 20 6 Timeslot 21 7 Timeslot 22 8 Timeslot 23 SW4 1 Timeslot 24 2 Timeslot 25 3 Timeslot 26 4 Timeslot 27 5 Timeslot 28 6 Timeslot 29 7 Timeslot 30 8 Timeslot 31 SW5 1 Clock Mode 2 Clock Mode 3 Clock Mode 4 Line Code 5 Frame Mode 6 CRC4 7...

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