OA (Optical Amplifier Card:)

OA (Optical Amplifier Card:)

Overview:

The main function of the OA (Optical Amplifier) board launched by Eman Communications is to compensate the power of the optical signal in the transmission link, which can simultaneously amplify the optical signal of up to 48 channels (channel interval of 100GHz) or 96 channels (channel interval of 50GHz) in C-band, with the features of flat gain, adjustable gain and small noise index, etc. Meanwhile, the card has built-in OSC optical monitoring channel to support OSC-based DCN communication, which is an indispensable and important part of DWDM system and future high-speed system and all-optical network long-distance transmission.

Product Description:

Application case:

  • Suitable for optical terminal stations (OTM), used as booster amplifier for multiplexed signals and pre-amplifier for demultiplexed signals
  •  Suitable for optical relay stations (OLA) to amplify bi-directional transmission signals and extend the transmission distance

Product Specifications:

Feature Description
Slot number 1 slot
Optional built-in 1*EDFA BA, PA, LA parameters optional
  Optional built-in 2*EDFA (BA, PA, LA parameters optional)
  Optional without OSC
  Optional built-in 1*OSC
OSC Optional built-in 2*OSC
  Working wavelength: 1510nm
  Working rate: 1.25Gb/s
  Optional built-in VOA, the same number as EDFA
  Location: EDFA input front
VOA Inherent insertion loss: <1dB
  Adjustment range: 0 ~ 15dB
  Power down state is inherent insertion loss
  Standard, the number of ports is the same as EDFA
MON monitoring port MON and the main optical channel optical power difference of 21 ~ 23dB
OTDR measurement port Optional, the number of ports is the same as the line interface
  OTDR signal wavelength: 1625nm
  OTDR channel loss: <1dB
EDFA Parameters 20G17
  20G25
  20G30
Wavelength range (nm) 1528 ~ 1568nm
Gain range (dB) 14 ~ 20
  22 ~ 28
  27 ~ 33
Maximum total output optical power (dBm) ≥20
Noise (dB) <5.5
Gain flatness (dB) <1.5
Polarization correlation loss (dB) < 0.5
Input optical power detection range (dBm) -23 ~ 8
  -31 ~ 0
  -36 ~ -5
Output optical power detection range (dBm) -6 ~ 20
  -6 ~ 20
  -6 ~ 20
Reflection coefficient (dB) < -30
Gain stability (dB) ±0.5
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