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8E1+4GE PDH Fiber Multiplexer

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Type : PDH Multiplexer 1-64E1+ GE Fiber multiplexer
Description :

The device provides 1-8*E1 interface, 1-4*10/100/1000M Ethernet interface (Wire Speed 1000M) and 2 expansion interfaces.


This device is the point-to-point optical transmission device developed on the basis of VLSI. The device provides 1-8*E1 interface, 1-4*10/100/1000M Ethernet interface (Wire Speed 1000M) and 2 expansion interfaces. 4* Ethernet interface is a switch interface, that can support VLAN. 1 expansion interface can be used as the transmission channel of RS232/RS485/RS422 asynchronous data, dry contact signal, and 1-Channel digital business phone can be optional. It is very flexible. It has an alarm function. The work is reliable, stable, and low power consumption, high integration, small size.


8E1 + 4GE PDH Multiplexer 8E1 + 4GE PDH Multiplexer


● Based on self-copyright IC

● TheFiber bandwidth is up to 1.5G, Ethernet bandwidth is Wire Speed 1000M

● Ethernet interface rate is 10/100/1000M, half/full duplex Auto-Nego

● 4*Ethernet interface is switch interface, support VLAN(optional), can set to 4 channel logical isolation

● Provide Console manage interface (RS232)(optional)

● Provide two fiber interface 1+1 protect(APS)function(optional)

● E1 interface complies with G.703, adopts digital clock recovery and smooth phase-lock technology

● Uses standard 2 wire telephone(non-telephone handles) set as engineering order-wire hotline(optional)

● When the optical loses signal, it can detect the remote device is powered off or the fiber is disconnected and indicates an alarm by LED

● The local device can view the remote device’s working condition

● Provide 2 expansion interface, you can extend 1~2Channel asynchronous data, such as RS232/RS485/RS422/Manchester code;(optional)

● Provide command the remote interface Loop Back, support local E1Loop Back function, support E1 LOS and AIS alarm, ease line maintenance

● The transmission distance is up to 2-100Km without interruption. (Default FC dual fiber single mode 20km)

● Support SNMP manager (SNMP agent inside)(optional)

● AC 220V, DC-48V, DC24V can be optional

● DC-48V/DC24V power supply polarity detection function, Polarity-Free


●  Fiber

Multi-mode Fiber

50/125um, 62.5/125um,

Maximum transmission distance: 5Km @ 62.5 / 125um single mode fiber,attenuation (3dbm/km)

Wave Length: 820nm

Transmitting power: -12dBm (Min) ~-9dBm (Max)

Receiver sensitivity: -28dBm (Min)

Link budget: 16dBm

Single-mode Fiber

8/125um, 9/125um

Maximum transmission distance: 40Km

Transmission distance: 40Km @ 9 / 125um single mode fiber, attenuation (0.35dbm/km)

Wave Length: 1310nm

Transmitting power: -9dBm (Min) ~-8dBm (Max)

Receiver sensitivity: -27dBm (Min)

Link budget: 18dBm

●  E1 Interface

Interface Standard: comply with protocol G.703;

Interface Rate: 2048Kbps±50ppm;

Interface Code: HDB3;

E1 Impedance: 75Ω (unbalance), 120Ω (balance);

Jitter tolerance: In accord with protocol G.742 and G.823

Allowed Attenuation: 0~6dBm

●  Gigabit Ethernet Interface (10/100/1000M)

Interface rate: 10/100/1000M, half/full duplex auto-negotiation

Interface Standard: Compatible with IEEE 802.3, IEEE 802.1Q (VLAN)

MAC Address Capability:4096

Connector: RJ45, support Auto-MDIX

●  Working environment

Working temperature: -10°C ~ 50°C

Working Humidity: 5%~95 % (no condensation)

Storage temperature: -40°C ~ 80°C

Storage Humidity: 5%~95 % (no condensation)



Model Number: FCP-E8G4

Functional Description

8E1+4GE PDH,19”inch 1U ,Optional function (order wire phone,Console,1+1 Back up Optic fiber, AC+DC)

Port Description

One optical port, 8*E1 interfaces (75/120 ohms), 4*GE interfaces,1*RS232 Console interface,1*SNMP Ethernet interface, one engineering order-wire telephone interface


Power supply: AC180V ~ 260V;DC –48V;DC +24V

Power consumption: ≤10W


Product Size: 19 inch 1U   483X138X45mm(WXDXH)




application of 8E1 + 4GE PDH Multiplexer

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