GAO - Model A0020003 -Portable E1/Datacom Transmission Analyzer

FromGAO TEK Inc.

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This portable E1/Datacom transmission analyzer is specially designed for R&D, production, installation, verification and maintenance of SDH, PDH, PCM, DTU and Data protocol converter equipment. It provides full-featured comprehensive analysis, measurement and evaluation of telecom networks. It also has many enhanced test functions such as `PCM Simulator`, `Mux/Demux`, `Drop & Insert` and `Network Tools`. The E1/ Datacom transmission tester features extensive error and alarm generation, detection and indication.

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Easy to use, handheld design
Large color touch screen with high resolution
Full-featured comprehensive analysis, measurement and evaluation of telecom networks
Extensive error and alarm generation, detection and indication
Save/Recall of up to 10 user-defined configurations and 10 groups of results
Built-in Li-ion rechargeable batteries and AC power supply as well
Test results can be uploaded, conserved and printed using supplied software

120 Ω balanced and 75 Ω unbalanced line interfaces
HDB3 and AMI line codes
Out-of-service framed and unframed testing
- 2 Mb/s, 64 Kb/s BER testing
- Frame data and alarm monitoring
- Clock slip measurement
In-service framed and unframed testing
- Hi-Z and through mode testing
- CODE, FAS, CRC4, E-BIT BER testing
- Frame data and timeslot activity monitoring
- Monitoring of octet code in any selected timeslot
- Built-in 64 kb/s tone channel monitoring capability
- ABCD code monitoring in CAS signaling
- TS16 monitoring in CCS signaling
Double E1 channel testing
- Double E1 channels Rx Hi-Z and through mode testing
- Double E1 channels Code, FAS, CRC-4, E-BIT BER testing
- Double E1 channels FAS/NFAS, CAS Multi-frame, CCS timeslot 16 and timeslot activity monitoring
- Double E1 channels timeslot data monitoring
- Double E1 channels built-in 64 kb/s tone channel monitoring capability
- Double E1 channels CAS and CCS signaling monitoring
Round trip delay measurement
APS delay measurement
Pulse Mask Measurement
- Input E1 pulse shape display
- Pulse width measurement
- Pulse width and amplitude ratio measurement
- Up-edge and down-edge time measurement
- Overshoot and undershoot ratio measurement
- Pulse amplitude and level measurement
PCM simulator
- Extensive error insertion and alarm generation
- Frame data control and monitoring
- Idle word insertion in one or more timeslots with programmable pattern
- VF tone generation and measurement in one or more timeslots
- Listen to any voice channel in the receiver via earphone
- Talk to any voice channel in the transmitter via microphone
- Perform the tests of signal level and frequency of the VF channel simultaneously
- CAS and CCS signaling generation and monitoring
Frequency and Offset measurements
Level measurement
Transmit clock deviation up to 999ppm
Clock source: Internal, Interface and External 2 M clock/signal
Testing pattern: PRBS, Fixed Code, 16-BIT User-programmable word
Error insertion: Single and Fixed Rate
Real-time transmit circuit status indication: open/short
Manual or auto-timer measurements
Performance analysis according to G.821, G.826, and M.2100

IP PING
Trace Route
IP Config

Auto-configuration:
- E1 frame format, BERT pattern, the timeslots carried BERT pattern automatic detection and setting for E1 testing
- BERT pattern and Tx data rate automatic detection and setting for Datacom testing
- BERT pattern and octet timing automatic detection and setting for G.703 64 kb/s CO testing
Real-time clock
BERT pattern: PRBS, Fixed Code, 16-BIT User-programmable word and QBF
Error insertion: Single and Fixed Rate
Reset the results to zero and auto configure
Manual or auto-timer measurements
Self-check, keyboard and LED testing
Performance analysis according to ITU-T G.821, G.826 and M.2100
Histogram analysis of error and alarm events
Upgradeable software via USB interface

Option 1: Jitter Testing
- Peak-to-peak jitter measurement
- Jitter measurement comply with O.172 filter
- Hit seconds and hit free seconds counts
Option 2: Datacom Testing
- Datacom (V.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530 and EIA-530A) BER testing
- Asynchronous BER testing at a baud rate range of 50 b/s to 57.6 b/s
- Synchronous BER testing at a data rate of 1.2 kb/s to 2048 kb/s
- DTE or DCE equipment emulation
- Synchronous clock source selectable
- Frequency measurement
- Handshaking signals control and monitoring
Option 3: G.703 64 kb/s CO Testing
- G.703 64 kb/s Co-directional BER testing
- Octet timing control and monitoring
- Frequency and offset measurement
- Transmit clock source: Internal and Interface
Option 4: Mux & Demux Testing
- E1-Datacom synchronous 64 kb/s, N¡64 kb/s BER testing
- E1-G.703 CO synchronous 64 kb/s BER testing
- Frequency and Offset measurement of Rx interface
- Handshaking signals monitoring of Datacom interface
- E1 framed data and alarm monitoring
Option 5: Drop & Insert Testing
- Insert mode: Insert synchronous 64 k, Nx64 kb/s data from Datacom or G.703 CO interface to one or more timeslots of E1 signal
- Drop mode: Drop one or more timeslots data from E1 signal to Datacom or G.703 CO interface
- Insert Drop mode: Insert and drop one or more E1 timeslots data from or to Datacom or G.703 CO interface