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  • Provide 4 E1/G.703 interface (120 BG telephone channel)
  • Local device monitor remote device (2 row LEDs, upper indicate local status, lower indicate remote status)
  • Provide function of 4 E1 remote loop, fiber local loop, and 1 interface of phone.
  • Power supply option: AC220V, DC-48V, DC+24V (optional).
  • Transmission distance: 2-120 Km
  • Two fiber two direction and single fiber two direction (optional).
  • Match telecom operation requirement, MTBF above 70,000 hours.
  • High reliability, provide install type of 19 inch rack, desktop, hanging, and card.
  • Special mini type casing design

E1 interface parameter:
Channel capacity: 4 Channels
Bit Rate: 2.048 Mb/s±50 ppm
Line Code: HDB3
Line Impedance: 120 Ohm / 75 Ohm
Connector: RJ-45 or BNC
Pulse Shape: ITU-T G.703
Jitter Performance: ITU-T G.823

Optical interface parameter:
Optical wavelength: 850/1310nm for multi-mode fiber, 1310/1550nm for single-mode fiber
Optical interface: SC/FC/ST (Optional)
Transceiver module: > -6dBm
Optical receiver sensitivity: <-36(BER<10)
Receive range: >-30dB
Transmission distance: multi-mode 2 Km, single-mode 20/ 40 / 80 / 120 Km, WDM versions available for any distances

DC: -48V (-36 to -72V); +24 V (Optional)
AC:  90 to 260 VAC ; 47 ~ 63Hz
Power Interface: DC power terminal/AC socket
Power Consumption: 10 W maximum

Working environment:
Operating temperature: 0 to 50°C
Storage temperature: -20  to +70°C
Relative humidity: 5% to 90% (25°C no condense)

Application scenario:


4xE1 signal over multi-mode fiber 2km SC/ST


4xE1 signal over single-mode fiber 20km SC/ST


4xE1 signal over single-mode fiber 40km SC/ST


4xE1 signal over single-mode fiber 80km SC/ST


4xE1 signal over single-mode fiber 120km SC/ST


The AN-FM-120 is a fiber media transport for 4 x G.703 E1 transmission. The BNC model provides unbalanced 75 Ohm coaxial connections while the RJ-45 model provides balanced 120 Ohm connections over twisted pair wiring.

Special mini type version model can be used anywhere where space is limited, like outdoor boxes and cabinets, high equipment density populated areas and elsewhere!

All media converters are available with either multi-mode or single-mode optical tranceivers and with connectors for SC, ST, or FC. In single mode they are available in up to 120 km versions reach, which will provide the ability to transmit and receive data using only a single optical fiber pair.

When the AN-FM-120 is linked to the AN-CH03 with AN-FM-120 card, it allows network engineers to get greater functionality through advanced SNMP features, the network administrator can manage any converter module from anywhere on the network, detect any link loss and maintain each loop.

Want to see it as SNMP managed modular platform in your 19′ rack? Check here…

Additional information

Port Quantity


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