Allen-Bradley ControlNet 1786-RPFM Installation Instructions Manual page 7

ControlNet Modular Repeater Medium-distance Fiber Module
Removing the Protective Caps
1. Remove the protective caps from the fiber channels that will be used.
2. Save the caps for future use.
DIN rail
Protective cap
The left side of the module (not shown here) also contains a backplane connector
If:
a channel is not going to be used
another module will be connected to the right
backplane connector
a module will not be connected to the right
backplane connector
Then:
keep protective caps on channels to protect
unit from dust.
remove the protective backplane cap and save
cap for future use.
leave the backplane cap attached.
AB Spares
Protective
backplane
cap
30049–M
1786-5.11 — February 1998
7