This is a 19inch 1U type PCM multiplexer which provides 16 channel FXO/FXS telephone, support 6U rack plug-in , 6U rack can equipment with SNMP network management. Equipment electrical part for the whole digital circuits, machine reliability, stability, low power consumption, high integration, small size, easy installation and maintenance.

● Based on self -copyright IC

● Support FXO/FXS, EM2/4 audio, Magnet telephone Interface, FXO port docking with program-controlled switchboard, FXS port connected to the user’s telephone;

● 1~16channel Voice access supports caller ID feature and reverse polarity billing functions

● Support various sites mutual number allocation function

● The transmission distance is up to 2-120Km without interruption

● The 6U rack plug-in can be offered and support SNMPNetwork management.

● Telephone interface with lightning protection, lightning reached IEC61000-4-5 Short circuit current wave 8 / 20μs,the peak output voltage 6KV open standards;

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

• 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

• 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)