Product description
4E1+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. 4 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.
Product character
(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 4 channel E1 and 4 channel 1000M Ethernet transmission loading;
(7) 4 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.
Technical Parameter
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 Impedance : 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
Dimension
485 mm（L）×140 mm（W）× 44 mm（H）
Power supply
AC220V: input voltage AC 180V～260V
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