8E1 over fiber optical multiplexer
PDH equipment
FOM device
4/8/16E1 over fiber optical multiplexer

8E1 FOM

Features:

1 Advanced and compact design that performs E1 multiplexing and  de-multiplexing
and provides a 100Mbps optical interface in a single unit

2  Built-in AC/DC or DC/DC converter and supervisory microprocessor

3  Digital clock data recovery for E1 signal

4  Provides visible and audible alarm indication

5  Low power consumption

6  Order wire channel for end to end installation and maintenance

7  Auxiliary data channel in optical line code

8  Centralized network management with the Topone NMS

9  High reliability

10  Flexible installation in various mechanical constructions

11  Local and remote loop back test for diagnostics