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CATV Erbium-Doped Fiber Amplifier Rack


This 19' Rack EDFA is designed for CATV long distance transmission, amplifying low signal power into high signal power, extending transmission distance.

Both input and output signals are sampled and monitored with a feedback circuit. APC (automatic power control) circuit is designed into the amplifier features Ethernet or RS-232 (or RS-485) network interface, capable to support open network management protocol (SNMP) as an open, adding flexibility to maintain connectivity with customer's network management system.

As an open, by using a select set of multi-channels splitters with extremely high reliability and low IL values, users can split the output signal into multiple ports.


  • Low noise figure
  • High output and high gain
  • Optional output configuration:
    • 13-23dBm (one output port)
    • 17dBm * 4 ports
    • 16dBm * 4 ports
    • 17dBm * 2 ports
    • 16dBm * 2 ports
  • Highly reliable laser diode pumps
  • High stability and reliability
  • Wide operating temperature range
  • Intelligent MPU monitor
  • User friendly interface RS232/RS485/SNMP(optional)


  • Analog and digital CATV systems
  • Long distance transmission systems
  • Access networks
  • LAN and WANs

Optical Characteristics

Parameter Unit Typ
Operating Wavelength nm 1530~1565
Output Power dBm 13~23(one output port), 17 * 4 ports, 16 * 4 ports, 17 * 2 ports, 16 * 2 ports etc.
Input Power dBm -5 ~ +10
Noise Figure dB 5.0(≤7.0)
Control Mode APC
Output Return Loss dB >40
PDG dB <0.5
Pump Remnant to Output dBm <-30
Pump Remnant to Input dBm <-30
Fiber Type SMF-28
Connector Type SC/APC

Electrical & Environmental Characteristics

Parameter Unit Typ
Interface Type Rs232 or RS485 or Ethernet
Power Supply V AC100~240
Power Consumption W <60
Alarms Case temperature over limit; Pump laser temperature over limit; Pump laser current over limit; Optical input too low; Optical output too low
Operating Temperature Range °C -5 to 55
Storage Temperature Range °C - 20 to 70
Humidity % 5 to 95
Dimensions (W*D*H) mm 482.6×320×44