Installation guide

Installing a WAN Interface Card in a Cisco 1720 Router or Cisco 1600 Series Router
Cisco WAN Interface Cards Hardware Installation Guide
2-10
Figure 2-6 WAN Interface Card Slots in the Cisco 1720 Router
You can install WAN interface cards either before or after mounting the router, whichever
is more convenient.
Inserting the Card in the Router
Note The figures in this section show a Cisco 1600 series router, but the installation
sequence described applies to the Cisco 1720 router as well as Cisco 1600 series routers.
Caution WAN interface cards do not support online insertion and removal (hot
swapping). Before inserting a WAN interface card into the router chassis, you must turn
OFF electrical power and disconnect network cables.
17369
Interface card slot WIC1
FDX
LNK100
WIC0OK
WIC1OK
CONSOLE
AUX
Cisco 1720
Interface card slot WIC0
10/100 ETHERNET
+5, +12, -12 VDC