E1 Protection Switching(Failover)Equipment-ZMUX-124

Product description ZMUX-124 can provide 4channel master E1 interfaces, 4channel spare E1 interfaces, and 4channel important user E1 interfaces. It can access two grounds different routes of E1 signal to protect 4channel important E1 signals. ZMUX-124 has two DB37 connectors. One DB37 connector provides four master E1 interfaces and four spare E1 interfaces. Another DB37 connector provides four important user E1 interfaces. Four important E1 signal protection functions are completed by accessing two different routes E1 lines. Features * 19-inch 1U chassis * support E1 framing or unframed format automatically switches without damage,zero packet loss rate with E1 error code tester * support paired usage mode or single-ended usage mode * support power-off direct connect to current state E1 or power off direct to master E1 * support E1 impedance 75 ohms (unbalanced) or 120 ohms (balanced) * support DC-48V or AC220V power supply, or dual power input 1+1 protection. * supports the real-time monitoring function of the working status of central office device's and the remote device's built-in power supply, and also supports the real-time monitoring function of the external Emerson switching power supply working state * support centralized network management monitoring function