---
manufacturer: FS
model: FHD-D82128EM3
part_number: '126899'
description: 8 Channels DWDM Mux Demux, 100GHz C21-C28, with EXP & Mon and 1310nm Port, 2.4dB Typical IL, LC/UPC, FHD Plug-in Module
comments: '[Product Page](https://www.fs.com/products/126899.html)'
front-ports:
  - name: '{module}:EXP'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 1
  - name: '{module}:MON'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 2
  - name: '{module}:1310'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 3
  - name: '{module}:C21'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 4
  - name: '{module}:C22'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 5
  - name: '{module}:C23'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 6
  - name: '{module}:C24'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 7
  - name: '{module}:C25'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 8
  - name: '{module}:C26'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 9
  - name: '{module}:C27'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 10
  - name: '{module}:C28'
    type: lc-upc
    rear_port: '{module}:LINE'
    rear_port_position: 11
rear-ports:
  - name: '{module}:LINE'
    type: lc-upc
    positions: 11