Nortel Meridian 1 Succession 1000M Installation And Configuration Manual page 197

Installing Small System Controller and Fiber Receiver cards
Figure 76
EMC grounding clip for the cabinet
Note: The EMC grounding clip is installed on the front of the stiffener
rail on the IP cabinet. There is a small #4-40 screw to fasten the clip to
the stiffener rail. The 100BaseT cable is then fed through and secured in
the clip.
Stiffener rail
EMC grounding
clip
Small System
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Installation and Configuration