16 ports telephone over fiber multiplexer

• Based on proprietary integrated circuit; 
•  support FXO voice port FXS ports and port magneto telephone interface; FXO port and docking PBX, FXS port is connected to the user's phone; 
•  Voice FXO / FXS access, support caller ID function and reverse polarity billing functions;
•  Support Telephone Number mutual function of each site; 
•  unrepeated transmission distance of up to 2 to 120 km; 
•  4U rack machines can provide plug-in, available SNMP network management; 
•  multiple power mode options: AC220V, DC-48V / DC24V, etc; 
•  telephone interface with lightning protection, lightning reached 17626.5 (IEC61000-4-5) Short circuit current wave 8 / 20μs, the peak output voltage 6KV open standards;

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

FXS Phone Interface
    Ring voltage: 75V
    Ring frequency: 25HZ
    Two-line Impedance: 600 Ohm (pick up)
    Return loss: 40 dB

  FXO Switch Interface
    Ring detect voltage: 35V
    Ring detection frequency: 17HZ-60HZ
    Two-line Impedance: 600 Ohm (pick up)
    Return loss: 40 dB

  EM 2/4 Line
    AD: 0dB
    DA: -3.5dB
    Two/Four-line Impedance: 600 Ohm
    Return loss: 20 dB

   Power
    Power supply: AC180V ~ 260V；DC –48V；DC +24V
    Power consumption: ≤10W

   Dimension          
    Product Size:    Mini Type    216X140X31mm(WXDXH)
                          19inch       485X200X45mm(WXDXH)
     Piece Weight :    mini 1KG / 19inch  2.4KG




  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)