Cisco ASR 903 Installation Manual page 88

Installing Plenum A903-F2B-AIR-U Assembly and Chassis in the Rack
Figure 58: Air Filter
Note The filter is applicable only when fans A903-FAN and A903-FAN-H are used and the filter is not applicable
for A903-FAN-E.
Step 5
Using a crimping tool (as specified by the ground lug manufacturer), crimp the ground lug to the ground wire and connect
the other end of the ground wire to a suitable grounding point at your site. See figure below.
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
78
Installing the Cisco ASR 903 Router