ABY942E 2M/E1 data channel comprehensive test instrument is mainly used for the error measurement of communication line data communication rate and analysis of line fault and the reason of tool. Can be easily done on the 2M system, N * 64K channel transmission parameter measurement analysis and daily maintenance of test.

ABY942E 2M/E1 data comprehensive test instrument on the 2Mbit/s interface for digital channel, V.24, V.35, RS449, X.21, synchronous and same direction 64kbit/s interface digital channels were tested with two 2Mbit/s interface, can simultaneously on two channels testing test.

The main features
- full Chinese menu, large screen display, simple operation;
- can be multi task (can side edge test through the previous record);
- up to 9 test set storage, 20 test results are stored, and can power down memory;
Communication with the PC machine can be stored in the microcomputer, the realization, print the test data, and can also be directly connected to the printer;
- timing opening and closing test;
- with alarm, error histogram analysis;
- software online upgrade.

The main function of:
- interrupt business error test
- online error test
- frame and non framing signal generating and receiving
2Mbit/s non framing error performance testing
2Mbit/s into the test error performance of frame, N * 64kbit/s channels
- bit error, error, error code frame, CRC error, E bit error performance test
- the loss of signal, alarm, AIS alarm, remote frame multiframe telecontrol alarm, oof, pattern line alarm test
- frequency deviation test
- line signal level, frequency test
- speech path channel signal level, frequency test
- sliding test pattern
- through mode
- audio test
- loop delay test
- automatic protection switching time test (APS)
- voice monitoring
- signaling state display, then the road channel content display, channel busy display
Analysis - alarm, error histogram
Analysis of - time slot content
Analysis of - frame content
Analysis of G.821, G.826, M.2100 - BER performance
- a variety of error and warning insert
- three input methods (terminating, bridging, monitoring)
- two clock selection (internal and extraction)
RS-232 interface print results.
- the same to a 64K test
- V.24/RS232, V.35, data V.36, X.21, RS-449 test

Technical indicators:
2M technical indicators
(1) signal input rate: 2048kbit/s + 100ppm (the requirement of G.703 + 50PPM)
(2) signal code: HDB3, AMI
(3) the input jitter tolerance: 10UI 20Hz to 2.4Hz 0.5UI 18 ~ 100Hz;
(4) input equilibrium characteristics: attenuation accords with the square root rule frequency, attenuation in 1024kHz in the range of 0 ~ 6dB.
(5) input impedance:
(5.1) the non balanced terminating: 75
Balanced terminating: 120W 50Hz ~ 3100kHz reflection loss is more than 18dB
(5.2) the non balanced bridge: greater than 750
Balance bridge: greater than 1200
(5.3) non balance monitoring: 75 26dB gain
Balance monitoring: 120 26dB gain
50Hz ~ 3100kHz reflection loss is more than 18dB
(6) the signal structure:
(6.1) non frame structure
(6.2): PCM30 frame structure, PCM31, PCM30CRC, PCM31CRC
Frame structure to meet the requirement of G.704
(7) the test pattern: 2E6-1, 2E9-1, 2E11-1, 2E15-1, 2E20-1, 2E23-1, artificial code
(8) output interface impedance:
(8.1) the non balanced 75 ohm accords with G.703
(8.2) 120 balanced accord with G.703
(9) the external clock input:
(9.1) signal: HDB3, NRZ
(9.2) balance terminating impedance: 120 ohm
Non equilibrium terminating impedance: 75 ohm
Bridge: more than 1200 ohm impedance balance
Non equilibrium bridge: more than 750 ohm impedance
(10) error code insertion: No, the proportion of single, insert the 10-1 ~ 10-7
- with 64K technology to index
(1) signal input rate: 64kbit/s + 100ppm (the requirement of G.703 + 100PPM)
(2) input impedance: 120 balanced accord with G.703
(3) the input jitter tolerance: in accordance with G.823
(4) output interface impedance: 120 balanced accord with G.703
(5) the test patterns: 2E6-1, 2E9-1, 2E11-1, 2E15-1, 2E20-1, 2E23-1, artificial code
- the data interface index
(1) the data interface types: V.24, V.35, V.36, X.21, RS-449
(2) generator
(2.1) the synchronization mode
Clock source: internal clock, receive clock
The phase relationship between clock data: the same direction, reverse.
Rate: 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 38.4, 48, 56 (kbps); N * 64Kbps (N=1 ~ 32)
Error: + 15ppm (ppm as parts per million)
(2.3). Error code insertion: No, the proportion of single, insert the 10-1 ~ 10-7
(3) the receiver
(3.1) the synchronization mode
Clock source: internal clock, receive clock
Receive clock and phase relations of receiving data: the same direction, reverse.
Clock rate: the maximum 2048kbps.
(4) the test patterns: 2E6-1, 2E9-1, 2E11-1, 2E15-1, 2E20-1, 2E23-1, artificial code
Other parameters:
- power supply:
(1) the instrument transmission power adapter
INPUT:AC220V 50Hz
OUTPUT:DC 9V 1A
(2) the instrument internal rechargeable battery
4000mAh 6V rechargeable battery
Working time: 8 hours
Charging: shutdown charging 8 hours; when on charging for 12 hours
- size and weight:
Length * width * height: 200 x 160 x 42mm
Weight: 0.95kg
- environment parameters:
Operating temperature: 0 to 40 DEG C
Storage temperature: -30 ~ +70 C
Humidity: 5% to 90% non condensation

ABY942E  2M/E1数据通道综合测试仪主要用于测量通信线路数据通信的误码率和分析线路故障及原因的工具。可方便地完成对2M系统，N×64k信道传输参数测量分析及日常维护测试。

ABY942E  2M/E1数据综合测试仪可对2Mbit/s

接口数字通道、V.24同步、V.35、RS449、X.21、同向64kbit/s接口数字通道进行测试，具有两个

2Mbit/s

接口，可同时对两条通道进行测试调测。 

 

 

 ABY-942E

 

ABY-942E2M/E1 Digital Transmission Performance Tester

1. Overview

2M Transmission Analyzer is a multi-functional and full- featured digital transmission system test device, designed for the installation test, engineering check and acceptance, daily maintenance of digital networks, mainly performing channel test, alarm analysis, fault finding and signalling analysis. In addition, this instrument further provides various protocol converters with one-way and bi-directional bit error test function. These capabilities make it ideal for field use.

 

1) 2M measurement

l75Ω and 120Ω line interfaces

lHDB3 and AMI line codes

lOut-of-service 2Mb/s, N×64kb/s BER testing

lIn-service framed and unframed double-channel testing

l “PCM simulator” mode testing

lFrame data control and monitoring

lTimeslot activity monitoring, FAS, N-FAS, TS16MFO analysis

lBuilt-in 64kb/s tone channel listen capability

lCAS and CCS signaling generation and monitoring

lRound trip delay measurement

lAPS delay measurement

lExtensive error and alarm generation

lVF tone generation and measurement

lLevel measurement

lPulse mask measurement

lJitter measurements to ITU-T standard O.172

lFrequency and offset measurement

lClock slip measurement

lUp to ±999ppm transmit clock deviation

lClock source: Internal, Interface or External 2M clock/signal

lReal-time transmit circuit open/short indication

 

2)   Datacom measurement

lDatacom (V.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530 and EIA-530A) interfaces BER Testing

lASYNC BER testing with baud rate 300b/s～38..4Kb/s

lSYNC BER testing with data rate 300b/s～8Mb/s

lDTE or DCE emulation

lSYNC clock source and sense selection

lFrequency measurement

lHandshaking signals control and monitoring

 

3) G.703 CO measurement

lG.703 CO 64kb/s BER testing

lOctet timing control and monitoring

lFrequency and offset measurement

lClock source: Internal, Interface selectable

 

4) Protocol converter measurement

l2M-Datacom SYNC 64k or N×64kb/s BER testing

l2M-G.703 CO SYNC 64kb/s BER testing

lFrequency and offset measurement

lHandshaking signals monitoring

l2M frame data and alarm monitoring

 

5) Other functions

lReal-time clock

lTest pattern: PRBS, Fixed Code and 16-BIT User Word

lError injection: Single and Fixed Rate

lManual and auto-timer measurement

lITU-T G.821, G.826, and M.2100 performance analysis