C H A P T E R
9-1
Cisco 1800 Series Routers (Modular) Hardware Installation Guide
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9
Installing Interface Cards in Cisco 1800 Series
Routers (Modular)
Cisco Interface Cards Installation Guide
The
Cisco Interface Cards Installation Guide
contains the procedures for installing the various types of
interface cards in external chassis slots. Interface cards supported by the Cisco 1800 series integrated
services routers (modular) include the following types:
•
Voice-WAN interface cards (VWICs)—data only on the Cisco 1841 router
•
WAN interface cards (WICs)
•
High-speed WAN interface cards (HWICs)
You can view the
Cisco Interface Cards Installation Guide
on Cisco.com.
Related Product Documentation
The following documentation is related to your product. This document was not shipped with your
product, but you can access it on Cisco.com.
•
Cisco Network Modules and Interface Cards Regulatory Compliance and Safety Information
Installing WICs, VWICs, and HWICs
This section describes how to install WICs, VWICs, and HWICs into Cisco 1800 series routers.
Caution
Do not connect a WAN cable to an interface card until you have completed its installation procedure.
The Cisco 1841 router has two interface card slots. Each slot can accommodate a Cisco WIC, VWIC
(data only mode), or a single-wide high-speed WIC (HWIC).
Note
Cisco double-wide HWICs are
not
supported in the Cisco 1841 router.