Origin	Canada
Model Number	GAO5853

GAO Tek's E1 BER (Bit Error Rate) Tester is a compact, multi-functional, handheld E1 line test instrument, specially designed for E1 PCM line access, maintenance, inspection and acceptance testing. The tester provides BER testing, alarm analysis, and signal analysis useful in R&D, production, installation and maintenance of SDH, PDH, PCM, and DATA Protocol Conversion.

Basic Functions – E1 BER 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 – E1 BER 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 continuous 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 TestManagerPro™ software.

Options – E1 BER Tester

• 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
• CAS and CCS signaling monitoring