Features
- Conforms to all relevant ITU series standards (ITU-T G.703 G.704 G.823)
- Framing or non-framing mode in option
- E1 time slot in arbitrary option
- Balanced 120Ω/non-balanced 75Ω interfaces automatic
- Support the loop back of local analog/digital interface
- Support remote loop back function (valid on under framing mode)
- Support pseudo-random code test function, providing convenience for the test of optic fiber line status 120km trunking -free transmission distance for single-mode optic fiber
- Capable to be communicated with V.35 fiber modem
- Available with complete line detection and alarm indications
- Available with independent structure and 19-inch frame-mounted structure (frame-mounted structure can be inserted with 16 modules);
- AC 220V and DC –48V inputs may be selected for fiber optic modems of both structures
- For frame-mounted fiber optic modems, dual power supply heat backup is provided to ensure a Receiving level: 0~-43db