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GAO-E1TEST-102 Handheld Data Transmission Analyzer with E1 and BER Testing

USD $2,500.00$4,760.00

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GAOTek’s Handheld Data Transmission Analyser with E1 and BER Testing is an expert tool for daily maintenance, troubleshooting and equipment installation, especially for E1 circuits and frame relay services of important applications. It can be used for E1 in-service monitoring as well as BER testing from 50b/s to 2048kb/s with supported interfaces like G.703, V.24/RS232, V.35, V.36/RS449, X.21, EIA-530/530A and RS485/RS422. It also supports E1 jitter TX/RX testing, E1 synchronous clock testing and frame relay testing.

This device is configured with large screen color TFT LCD with backlight and built-in rechargeable Li-ion battery for 8 hrs operation without external power supply. It also supports RJ45 network interface and complete TCP/IP protocol with online upgrading.


Key Features

  • Color TFT LCD with touchscreen.
  • G.703 E1 testing.
  • Dual E1 testing.
  • E1 synchronous clock input and output (optional).
  • E1 PING testing.
  • V series interfaces testing.
  • Large capacity data storage, 10000 records.
  • Various errors insertion and detection, such as bit, Code, FAS, CRC.
  • Large capacity Li-ion battery guarantees more than 8 hrs operation without external power source.
  • Use PC to perform the remote control of the test set through Ethernet.
  • E1 jitter Rx/Tx testing (optional).
  • E1 synchronous clock testing (optional).
  • Frame relay testing (optional).
  • G.703 T1 testing (optional).



  • Leased line circuit fault interface diagnosis, Ethernet connectivity—E1 ping testing
  • E1 Circuit Opening- E1 Off-line loopback testing & end-to-end testing
  • Network maintenance—E1 online testing, E1 pass through test, V series interfaces testing
  • Signal quality testing—E1/T1 pulse template, jitter testing
  • Test occupied channel—Voice Monitoring
  • Test equipment A/D transfer ability—Audio Testing

Technical Specifications

Testing Interface Index

Internal Clock 2048 KHz ± 10 PPM
Signal Code HDB3/AMI/B8ZS
Signal Interface ITU-T G.703
Test Pattern PRBS 2n-1 (n=6, 9, 11, 15, 20, 23)
TX L9 (BNC) 75 Ω unbalanced, RJ48 120 Ω balanced
RX L9 (BNC) 75Ω unbalanced / high impedance > 2 KΩ, RJ48 120 Ω balanced / high impedance > 2K

General Specifications

Display 4.3” LED, 480*272, LED, Touch Screen
Operation Mode Touch Screen
Interface RJ45 (10 M/100 M), USB, DC power
Data storage 10000 records
DC Power AC Adapter: 100 V/240 V, 50/60 H/Z
Battery Rechargeable Li-Ion Battery, 4400 mAH
Operation Time About 8 Hours
Operation Temperature 0 °C to +50 °C (32 °F to 122 °F)
Storage Temperature –20 °C to 70 °C (-4 °F to 158 °F)
Operation Humidity 10% to 90%
Storage Humidity 5% to 95 %
Size 8.26 in x 4.33 in x 2.36 in (210 mm x 110 mm x 60 mm)
Weight 2.64 lbs (1.2 Kg)


Ordering Information

Configuration Instruction E1 Standard Configure Not include E1 jitter Tx/Rx and T1 interface testing functions
E1 Full Configure Not include T1 interface testing functions
Full Configure Full functions included
GAO-E1TEST-102 Function Configuration
Function Type Function Name Introduction E1 Standard Configure E1 Full Configure Full Configure
E1 Test BERT Analysis (E1) E1 error and alarm test Yes Yes Yes
Loopback Latency Accuracy up to us Yes Yes Yes
Switch Time Switch time required from main channel to backup channel Yes Yes Yes
Ping Direct PING router, support PPP/HDLC/FR protocol Yes Yes Yes
Voice Frequency Measurement Monitor the PCM & PBX and check whether have distortion problem under simulate voice and digital signal’s conversion Yes Yes Yes
Voice Monitoring Confirm the using 64K channel (through channel scan), and monitor the circuit’s Yes Yes Yes
Detect whether the E1 Signal’s waveform fulfill the G.703 standard Yes Yes Yes
Jitter Tx/Rx Test E1 signal’s jitter characteristics, and produce jitter on the Tx side No Yes Yes
PING Test PING Verify Network Connectivity Yes Yes Yes
V Test BERT Analysis (V Interface) V interface error and alarm test Yes Yes Yes
PING Direct PING router, support PPP/HDLC/FR protocol Yes Yes Yes
T1 Test BERT Analysis (T) T1 error and alarm test No No Yes
Detect whether the T1 Signal’s waveform fulfill the G.703 No No Yes

Packaging List

S.No. Item Description Quantity


GAO-E1TEST-102 Handheld Data Transmission Analyzer set 1
2 Li-Ion rechargeable battery 1
3 User manual



  • G.703 E1 testing

– Out of service testing and in-service monitoring

– Dual E1 in-service monitoring

– Alarm generation and error insertion

– Performance analysis according to ITU-T recommendation

– Pattern slips analysis

– Clock slips analysis

– Clock frequency offset testing

– Nx64K testing

– Frame setting and analysis

– PCM, time slot detection

– Time slot data display

– Histogram display

– Voice monitoring

– Auto testing

– Round trip delay testing

– APS, service disruption testing

– Voice and frequency testing

– Pulse mask measurement

– E1 jitter Rx/Tx testing (optional)

– E1 synchronous clock testing (optional)


  • PING testing

– IP address setting

– Ethernet connectivity testing


  • V series interfaces testing

– V.24/RS232, V.35, V.36/RS449, X.21, EIA- 530/530A and RS485/RS422 interface BER testing

– Performance analysis according to ITU-T recommendation


  • Frame relay testing (optional)

– Support E1 and V.35 port

– Support PPP/HDLC protocol


  • G.703 T1 testing (optional)


Remote loopback testing

End-to-end testing

In-service monitoring

Pass through mode

V series interfaces testing

Voice and frequency testing

E1 pulse mask

Jitter testing

Frame relay testing


Additional Information


E1 Standard Configuration, E1 Full Configuration, Full Configuration

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