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                  >   產品中心   >   正文

                8E1+4GE PDH Multiplexer

                8E1 + 4 GE Fiber Optical Multiplexer is a kind of fiber-optic communication device which can use fiber to transport 1~16 E1 signal in the meantime efficiently and can test the used E1 automatically. The flexible circuit test and the indication function has a simple single panel form, which provides 4 10M/100M/1000M Ethernet ports(optional) and a office phone port( optional), raising applied flexibility also in the meantime enlarge the utilization of the fiber optic.


                8E1+4GE 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 4 channel GE Ethernet port. 8 channel Ethernet port set as switch and dividing VLAN as well. Ethernet transmission rate is 10/100/1000M auto adapted. The device's electronic part is total digital circuit, to assure working steady, low power consumption, high integration and easy maintain.



                (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.703, adopt digital clock reset and flat lock technique;

                (6) Provide 8 channel E1 and 4 channel 1000M Ethernet transmission loading;

                (7) 8 channel Ethernet port set as switch, also can be divided VLAN;

                (8) Ethernet interface 10/100/1000M auto adapted;

                (9) 1 channel PCM digital service telephone (for option);

                (10) 2 channel RS232 for option;

                (11) Support 1+1 fiber optical interface backup;(optional)

                (12) Desktop device support independent SNMP, and link control (optional)

                (13) Support detecting optical signal loss caused by remote device's turn off or fiber's break down;

                (14) Inspect local device's temperature and voltage;

                (15) Inspect remote device's temperature and voltage and set temperature alarming value;

                (16) Transmission distance can reach 2~120km without relay;

                (17) Multiple power supply type for option: AC220V,DC-48V/DC24V etc;

                (18) DC48v/DC24v has no positive and negative difference;

                (19) Head end support chassis with multiple cards, 12 channel optical way for option, SNMP included.



                  Fiber optical interface

                  optical wavelength: 850/1310nm for multi-mode fiber, 1310/1550nm for single-mode fiber.

                  optical interface: SC/FC/ST

                  Fiber pinning: double and single for option

                  transceiver module: >-6dBm

                  optical receiver sensitivity<-36(BER<10-11 )

                  receive range: >-30dB

                  transmission distance: multi-mode 2 Km, single-mode 40 Km, single-mode 80 Km, single-mode 120 Km.

                  Optical circuit coding: NRZ


                  E1 interface  

                  Interface Rate: 2.048Mbps+-50PPM

                  Coding: HDB3

                  Interface signal coding: ITU-T G.703

                  E1 Interface: BNC 75Ω(unbalance), RJ45 120Ω(balance)

                  Unbalanced coaxial cable connector: 75-2/3 coaxial cable adapted

                  Interface character: match G.703

                  Jitter tolerance: match G.742 and G.823.

                  Input attenuation tolerance:0~6dBm


                  Ethernet interface

                  Interface Rate: 10/100/1000Mbps auto adapted, full/semi duplex auto adapted

                  Interface character: match IEEE802.3, IEEE802.1 Q

                  Mac address: can learn 4096 MAC addresses

                  Connector: RJ45, Auto-MDIX



                485 mmL×140 mmW× 44 mmH


                Power supply

                AC220V: input voltage AC 180V260V

                DC-48V: input voltage -36V-72V


                Operation Condition

                Voltage: AC180V ~ 260V; DC –48V; DC +24V

                Consumption: ≤5W

                Operating temperature: 0°C~50°C

                Storing temperature: -40°C~+70°C

                Relative humidity: 95 %

                Without disturbance of erosive and solvent gas, raising dust or strong magnetic field