Installing A Wan Interface Card - Cisco 1720 Hardware Installation Manual

Chapter 2 Installing the Cisco 1700 Router
Warning
Caution

Installing a WAN Interface Card

Installing the Cards in Correct Sequence
Caution
78-5405-03
Do not work on the system or connect or disconnect cables during periods of
lightning activity. (To see translated versions of this warning, refer to the
Regulatory Compliance and Safety Information for the Cisco 1700 document that
came with the router.)
Do not connect a WAN cable to the card until you have completed the installation
procedure.
This section describes how to install WAN interface cards in the router.
The Cisco 1700 router discovers interfaces on WAN interface cards installed in
the WIC0 slot before it discovers those installed in the WIC1 slot. This can affect
your router configuration. This section describes how to ensure that your existing
router configuration is not affected when you install WAN interface cards.
If you are installing a WAN interface card in the router for the first time, install
the card in the WIC0 slot to ensure that your software configuration will not be
affected if you install a second card at a later time.
If you are installing a second WAN interface card in a Cisco 1720 that has a card
installed in the WIC1 slot, follow this general procedure to prevent having to
reconfigure your router:
Read the instructions in the following section,
installing the cards.
Step 1
Step 2
Step 3
"Installing the
Remove the installed card from the WIC1 slot.
Reinstall the card (removed in Step 1) in the WIC0 slot.
Install the new card in the WIC1 slot.
Cisco 1700 Router Hardware Installation Guide
Cards," before
2-5