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GAO5853 E1 BER(Bit Error Rate) Tester is a compact multi-functional handheld E1 line test instrument , specially designed for E1 PCM line access, maintenance, check and acceptance. It provides BER test, alarm analysis, signaling analysis and so on which can be extensively used in R&D, production, installation and maintenance of SDH, PDH, PCM, DATA Protocol Converter. It is a useful tool for faster problem resolution.

Basic Functions - GAO5853 E1 BER (Bit Error Rate) Tester

120Ω and 75Ω line interfaces
HDB3 and AMI line codes
Out-of-service framed and unframed testing
- 2Mb/s, N×64Kb/s BER testing
- Frame data and alarm monitoring
- Clock slip measurement
Frequency and level measurement
Clock source: Internal, Interface
Testing pattern: PRBS, Fix Code, 16-BIT User Word
Error injection: Single and Fixed Rate
Real-time transmit circuit open/short indication
Manual and auto-timer measurement
G.821, G.826, and M.2100 performance analysis
USB interface; test results uploaded, stored and printed by TestManagerPro software

Main Features - GAO5853 E1 BER (Bit Error Rate) Tester

Handheld design and easy-to-use
Full-featured measurements to E1, Datacom and Protocol Converter
High resolution backlight LCD
Smart navigation mode displays
Extensive error and alarm generation, detection and indication
Histogram analysis of alarm and error events
Up to 99 days continuance test performance
Save/Recall of up to 10 user-defined setups and 10 sets of results
Up to 6 hours operation from a single battery charge
Built-in NiMH rechargeable batteries and smart charger circuit
Can be charged with automobile cigarette lighter battery adapter
Upgradable software via an integrated RS232C interface
Test results uploaded, conserved and printed by TestManager software.
Option
In-service framed and unframed testing

Configuration List - GAO5853 E1 BER (Bit Error Rate) Tester

Item	Qua.	Item	Qua.
E1 BER Tester	1	Embedded Software	1
AC Power Adaptor	1	TestManagerPro Software CD	1
Automobile Cigarette Lighter Battery Adaptor cable	1	Waterproof Package	1
75 ohm Unbalanced Test Cable	2	User's Manual	1
120 ohm Balanced Test Cable	1	Quality Certificate Card	1
USB Cable	1	Maintenance Card	1
Rechargeable Li Battery	1	Packing List	1

Specifications - GAO5853 E1 BER (Bit Error Rate) Tester

Item	Description
Internal Clock	2048Kb/s ± 10ppm
Line Interfaces	75Ω (Unbalanced), 120Ω (Balanced); *High Input Impedance >2KΩ
Line Code	HDB3, AMI
Framing	Unframed, PCM30, PCM30CRC, PCM31, PCM31CRC
Level Measurement	(-43dB) - (-2.5dB)
Tx Clock Source	Internal, Interface
Frequency Measurement	Accuracy: ±1Hz
Offset Measurement	Accuracy: ±1ppm; Range: (-999ppm) - (+999ppm)
Test Patterns	PRBS: 2 23 -1, 2 15 -1, 2 11 -1, 2 9 -1 Fixed Code: 1111, 0000, 1010 16-BIT: User Programmable Word
Alarm Indications	Signal Loss, AIS, Frame Loss, MFrame loss, Pattern Loss, Remote Alarm, Errors, Low Battery
Error Injection	Type: BIT, FAS, CODE, CRC4, E-BIT Single, OFF, Fixed Rate: 10 -2 , 10 -3 , 10 -4 , 10 -5 , 10 -6 , 10 -7
Performance Analysis	ITU-T G.821, G.826 and M.2100
I/O	USB
Rechargeable Batteries	7.4V Li battery, continuous working for 8 hours
Recharge Time	Approx. 2 hours
AC Power Adapter	Input: 100V to 240VAC, 50/60Hz; Output: 12VDC /1.5A
TestManagerPro™	Operating System: WIN98/ME/2000/NT/XP
Dimensions	L×W×H 230mm×72/116mm×33mm
Weight	Approx. 500g

GAO5853 E1 BER Tester

Basic Functions - GAO5853 E1 BER (Bit Error Rate) Tester

Main Features - GAO5853 E1 BER (Bit Error Rate) Tester

Option

Configuration List - GAO5853 E1 BER (Bit Error Rate) Tester

Specifications - GAO5853 E1 BER (Bit Error Rate) Tester