Cisco Optical Hub and Hub-Node Installation Guide
Optical Passive Modules
OL-29936-01
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1x8 Dual 1x4 Coupler
The 1x8 dual 1x4 coupler allows for input through a single fiber using the 1x8 port or
two fibers using the 1x4 ports. The signals are split using a single 1x8 splitter or two
1x4 splitters. The output to the distribution cable is via the 8-fiber MPO connector.
two fibers using the 1x4 ports. The signals are split using a single 1x8 splitter or two
1x4 splitters. The output to the distribution cable is via the 8-fiber MPO connector.
The following illustration shows an example of the module.