Technical data

Installing a WAN Adapter Module
116273-A Rev. 00
4-3
5.
Attach an antistatic wrist strap.
You receive an antistatic wrist strap with the adapter module. See the
instructions included with the wrist strap.
The wrist strap directs static electricity from your body to the router chassis,
preventing discharge to sensitive electronic components.
6.
Determine which of the two front-panel adapter module slots to use
(Figure 4-1)
.
Figure 4-1. Location of Adapter Module Slots 1 and 2
7.
Remove the installed adapter module or the slot filler panel.
• To install the adapter module in an empty slot, go to
“Removing the Filler Panel
” on page 4-4.
• To replace an installed adapter module, go to
“Removing an Adapter Module
” on page 4-5.
Caution:
Electrostatic discharge can damage hardware. You must wear the
antistatic wrist strap whenever you handle printed circuit boards.
1
2
ARN0076A
ARN front panel
Telco
Tx
Rx
RLSD
DTR
DSU/CSU