Product Description

4E1*4***0M PDH fiber optical Mux, is a point-to-point optical transmission equipment developed based on ultra large scale integrated circuit. It has perfect alarm function, 1 channel digital service telephone and 1~4 channel  Ethernet port. 4channel Ethernet port set as switch and dividing VLAN as well. Ethernet transmission rate is *0/**0M auto adapted. The device's electronic part is total digital circuit, to assure working steady, low power consumption, high integration and easy maintain.
Features:
(1) Based on self-independent knowledge circuit;
(2)Veneer design;
(2) Module style, wide dynamic detector;
(3) Optical module adopt send-receive synchronous way;
(4) Provide control remote alarm status;
(5) E1 interface accord with G.**3, adopt digital clock reset and flat lock technique;
(6) Provide 4 channel E1 and 4 channel **0M ethernet transmission loading;
(7) 4 channel ethernet port set as switch, also can be divided VLAN;
(8) Ethernet interface *0/**0M auto adapted;
(9) 1 channel PCM digital service telephone (for option);
(*0) 2 channel RS**2 for option;
(*1) Support 1*1 fiber optical interface backup;
(*2) Desktop device support independent SNMP, and link control for option;
(*3) Support detecting optical signal loss caused by remote device's turn off or fiber's break down;
(*4) Inspect local device's temperature and voltage;
(*5) Inspect remote device's temperature and voltage and set temperature alarming value;
(*6) Transmission distance can reach 2~**0km without relay;
(*7) Multiple power supply type for option: AC**0V,DC**8V/DC*4V etc;
(*8) DC*8v/DC*4v has no positive and negative difference;
(*9) Head end support chassis with multiple cards, *2 channel optical way for option, SNMP included