Ground the Device
Before you begin this task, ensure that you have read and understood the safety warnings in the
section of the
handout topic.
Before you connect the power or turn on the power to the device, you must provide an adequate device ground
(earth) connection to your device.
This section describes how to ground the device. The grounding lug location is on the back panel of the device.
Ensure that the grounding lug wire does not cover the fan opening.
Tip
Figure 23: Attach a Ground Lug to the Rear of the Device
To prevent personal injury or damage to the chassis, before making connections to the device, ensure that you
disconnect the power at the circuit breaker.
Caution
Verify your carrier’s requirements for grounding. This unit must be installed in a restrictive access location
and must be permanently grounded to a minimum 6-AWG copper ground wire.
Step 1
If your ground wire is insulated, use a wire-stripping tool to strip the ground wire to 0.5 inch (12.7 millimeters) ± 0.02
inch (± 0.5 millimeters).
Figure 24: Stripping a Ground Wire
Step 2
Slide the open end of the 2-hole ground lug over the exposed area of the ground wire.
Step 3
Using a crimping tool (the one specified by the ground lug manufacturer), crimp the ground lug to the ground wire.
Step 4
Use a Phillips head screwdriver to attach the 2-hole ground lug and wire assembly to the device with the 2 pan-head
Phillips head screws.
Step 5
Connect the other end of the ground wire to a suitable grounding point at your site.
Cisco ASR-920-12SZ-A and Cisco ASR-920-12SZ-D Aggregation Services Router Hardware Installation Guide
42
Install the Router
Ground the Device
