Cisco GainMaker Optoelectronic Node 1GHz with 65 86 MHz Split Installation Guide
Chapter 2 Installation and Configuration
6 Check for the presence of RF at an unused port.
If RF is present, insert a 75 Ohm housing terminator into the port and tighten
according to manufacturer specifications.
If RF is not present, insert a housing plug into the port and tighten from 5
ft-lb to 8 ft-lb (6.8 Nm to 10.8 Nm).
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