Use copper conductors only. Statement 1025
Warning
When installing the unit, the ground connection must always be made first and disconnected last. Statement
42
Warning
This unit is to be installed in a restrictive access location and must be permanently grounded to minimum 6
AWG copper ground wire.
Perform the following procedure to ground the Cisco ASR 903 Router using a 2-hole lug and the corresponding
mounting point. Most carriers require a minimum 6 AWG ground connection. Verify your carrier’s requirements
for the ground connection.
Step 1 If your ground wire is insulated, use a wire-stripping tool to strip the ground wire to 0.5 inch ± 0.02 inch (12.7 mm ±0.5
mm) ( as shown in the figure below).
Figure 67: Stripping a Ground Wire
Step 2 Slide the open end of your 2-hole ground lug over the exposed area of the ground wire.
Step 3 Using a crimping tool (as specified by the ground lug manufacturer), crimp the ground lug to the ground wire as shown
in the figure below.
Figure 68: Crimping a Ground Lug onto the Ground Wire
Step 4 Use a Phillips head screwdriver to attach the 2-hole ground lug and wire assembly to the router with the 2 pan-head
Phillips head screws. For a 19-inch EIA rack, attach the 2-hole ground lug to the rear of the router.
Step 5 Connect the other end of the ground wire to a suitable grounding point at your site.
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
85
Installing the Cisco ASR 903 Router
Installing the Chassis Ground Connection
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