background image

Description and Operating Manual 

 

E1/Fractional E1 Tester                

MR-2000E 

 

 
 

E1 TESTER 

 

For examining E1 and Fractional E1 networks. 
 
Description and Operating Manual 
Manual Revision A 

 

Yoda Communications, Inc. 

 
 

www.yoda.com.tw

 

 

Summary of Contents for MR-2000E

Page 1: ...ription and Operating Manual E1 Fractional E1 Tester MR 2000E E1 TESTER For examining E1 and Fractional E1 networks Description and Operating Manual Manual Revision A Yoda Communications Inc www yoda com tw ...

Page 2: ...ed service department or a manufacturer only Warranty This Product is warranted against defects in materials and workmanship for a period of one year from the date of shipment During the warranty period Yoda will at its option either repair or replace products which prove to be defective For warranty service or repair this product must be returned to a service facility designated by Yoda Buyer sha...

Page 3: ...T PERIOD Key 7 The ERROR Key 7 The INPUT Key 7 LIU 7 CLOCK 8 The LOOP Key 8 The AUTO Key 9 The ADV Key 10 ALARM enable disable 10 POWER conservation enable disable 10 Nx64 Fractional E1 10 Additional Bits Manipulation 11 IDLE Code Define 11 DATA Pattern Received 11 SIG Signaling Bits 11 CLEAR 11 S N 11 The HELP Key 11 APPENDIX A FACTORY DEFAULT SETTINGS 12 APPENDIX B ABBREVIATIONS USED 13 APPENDIX...

Page 4: ...soft keys make the test easier The user friendly Auto and Help keys guide you through difficulties step by step This manual contains information about the Yoda E1 Tester and is intended for novice as well as expert It provides more graphical explanations and structured box diagrams for user to grab the design concept of the product Getting Started This chapter tells you about the basic features of...

Page 5: ...l the green LED indicator will be off The red LED indicator shows incoming E1 signal problems The red LED is a real time indicator If there is any incoming signal problem then the red LED indicator will be on If the problem ceases to exist the red LED indicator will turn off automatically The yellow LED records any incoming alarms during a period of time If the yellow LED is on then it means there...

Page 6: ...tems can be accessed through those four soft keys Categorized Function Key Descriptions The FRAME Key To select the E1 framing format for transmission and receiving signals FRAME FAS CAS CRC4 CRC CRC4 CAS The CODE Key To determine whether the tester transmits with AMI encoded data or HDB3 encoded data CODE AMI HDB3 The PATTERN Key To select the test patterns PATTERNS QRSS ALL ONES O153 2E20 1 All ...

Page 7: ... ___ RATE AIS unframed all ones to be transmitted SAIS signaling all ones RA Remote Alarm Logic Single selection generate single bit error Logic error rate selection 1E 1 1E 2 1E 3 1E 4 1E 5 1E 6 and 1E 7 The INPUT Key This key contains the selections for E1 signal interface set ups INPUT _______ LIU ________ TERM ____ DSX ____ BRIDGE ___ CLOCK _____ LOCAL ____ REMOTE LINE LIU Line Interface Unit ...

Page 8: ...ansmitted back to LINE In the mean time the data will continue to pass through the receive side framer in the tester as it would normally do but the data transmitted from the tester will be stopped The alarm counters will record if there is any error detected in the incoming data stream FE1 IDLE CH LP UP Fractional E1 IDLE Channels Loop Up This item can loopback IDLE channels and the DS0 channels ...

Page 9: ... Erred Second CRC ES E bit Errors E bit Erred Second End of Report ELAPSE time Note If the CONT item is chosen for the TEST PERIOD key then the elapse time information in the RESULT key display will be zero The AUTO Key The AUTO key automatically detects and displays the incoming E1 signal s format coding and pattern It will automatically synchronize itself So it is the most effective way to catch...

Page 10: ... thing needed so user can turn off the transmitter which can conserve more than one third of the power consumption This way the operating time can be extended from eight hours to twelve hours POWER ____ ENABLE will enable power conservation mode which will turn off the transmitter to save power Or __ DISABLE will disable power conservation mode which will turn on the transmitter Nx64 Nx64 ____ TX ...

Page 11: ...e CAS data stream There are two directions for the SIG TX transmit and RX receive The SIG on the TX direction can be changed by the user In the RX direction user can check the incoming ABCD signaling bits information for all channels by pressing the MORE F4 soft key In the TX direction user will be asked to enter a channel number for the signaling bits The valid channel numbers range from 02 to 32...

Page 12: ...APPENDIX A FACTORY DEFAULT SETTINGS MODE FULL E1 FRAME FAS CODE AMI INPUT TERM PATTERN QRSS TEST PERIOD CONTINUOUS LBO 0 dB IDLE CODE 7E ERRORS OFF POWER CONSERVE MODE OFF 12 ...

Page 13: ...U Loop up LOC Loss of Carrier set when 255 consecutive zeros have been detected LOCAL Tester NX Next PLOS Pattern Loss of Sync when 6 or more bits out of 64 are received in error POWR Power RDMA Receive Distant MF Alarm Set when bit 6 of timeslot 16 in frame 0 has been set for two consecutive multi frames S N Serial Number SIG Signaling bits AB or ABCD Bits SAIS Signaling All Ones 13 ...

Page 14: ...s the latest E1 specifications including ITU G 703 G 704 G 706 G 823 AND I 431 as well as ETS 300 011 300 166 TBR 12 and TBR 13 Line codes AMI and HDB3 Error Injection Logic Errors Single or rate Rate 1E 1 to 1E 7 Patterns Pseudorandom patterns 2E3 1 2E4 1 2E5 1 2E6 1 2E7 1 2E9 1 2E10 1 2E11 1 2047 2E15 1 2E15 1 Inverted 2E17 1 2E18 1 2E20 1 O 153 2E20 1 QRSS 2E20 1 Inverted 2E21 1 2E22 1 2E23 1 O...

Reviews: