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8Channel Voice(FXS/FXO) Phone over Fiber Multiplexer
The voice over fiber mulitiplexer realizes 1~8 channel voice (FXO, FXS) over fiber and 4 E1, 4*10/100M Ethernet,4 channel RS232 for option.

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The voice over fiber multiplexer is point to point fiber transmitting equipment, which realizes 1~8 channel voice (FXO, FXS) POTs phone over fiber and  4 E1,4*100M Ethernet, 4 channel RS232 for option. Its merits include complete warning function, high integration, low consumption, stable performance and convenient usage.


n         provides 4 channel E1/ G.703 for option;

n         provides 1 channel 100M (liner) Ethernet ports for option

n         provides 8 channel voice port, FXO and FXS for option; also for 2/4 wire E&M

n         provides 4 channel RS232, rate supports 300-15200 bps for option;

n         Ethernet port 10/100M, full/half duplex auto-adaptable and supports VLAN;

n         Ethernet port supports AUTO-MDIX (twisted cable and straight cable auto-adaptable);

n         1-8 channel voice connection, supports calling indication;

n         Configuration: point to point;

n         Voice port supports O port and S port or E&M interface for order, O port connects switch and S port connects user’s phone;

n         Optical interface supports SC/FC interface and supports single fiber interface


Optical interface    

Optical wavelength: single mode 1310nm/1550nm

Fiber: single fiber or double fiber for option

Transmitting consumption: -9dBm/-5dBm

Transmission range: 0-50Km/120Km for option

Optical interface: SC/FC

Receiving and dispatching module: >-6dBm

Optical receiver receiving sensitivity <-36 dBm (BER<10-11)

Fiber circuit code: NRZ code

Ethernet Interface

Rate: 10/100M, full/duplex auto-negotiation

Protocol: Support IEEE 802.3, IEEE 802.1Q (VLAN)

MAC Address Entiries: 4096 Entiries

Total Memory Sizes: 64MBits SDRAM

Physical interface: RJ45, support AUTO-MDIX

Voice Phone Interface:


  Alarm voltage:     75V

  Alarmf requency:    25HZ

  2 line input impedance:  600Ω (hanging off)

  Wastage:         40db


   Alarm detecting voltage:  35V

   Alarm detecting frequency: 17HZ-60HZ

   2 line input impedance:    600Ω (hanging off)

   Wastage:               40db

    E wire:                                               

Max current 22mA                         

Saturation voltage: 3V                       

Dial speed >20pps                        

M wire

steady current 7 mA

min test current 5 mA

      pluse dial recognition: >20pps

RS232 port

Rate 300115.2Kbps auto-adaptable (Asynchronous)

    Interface characteristic satisfies ITU-T V.24

Dimension(19inch rackmount)                  

2       433mm(L)

2       138mm(W)

2        44mm(H)

Power supply                        

working voltage range wide, good        

anti-disturb and Isolation, work stable     

option I – DC-48V,range DC-36V~DC-72C   

option II – AC220V,range AC165V~AC240V

Power Consumption:    <=3 Watts 

Environment condition                  

Operating temperature:  0C~+50 C        

Storage temperature:   -20 C~+70 C

Relative temperature:95% (uncondensed)

Related Link:
1. Questions about POTS(fxs/fxo) phone over fiber multiplexer

2. Can POTs Fiber Multiplexer support DSL Transmission?

Ordering information

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