Overview of Cisco WAN and
Voice Interface Cards
This chapter provides an overview of Cisco WAN and voice interface cards used in Cisco
modular routers, and includes these sections:
•
Cisco 3600 Series Routers on page 1-1
•
Cisco 2600 Series Routers on page 1-7
•
Cisco 1720 Router on page 1-12
•
Cisco 1600 Series Routers on page 1-13
•
Safety and Regulatory Compliance Information on page 1-16
Cisco 3600 Series Routers
The Cisco 3600 series is a multifunction, modular platform that combines dial access,
routing, LAN-to-LAN services, and multiservice integration of voice, video, and data in the
same device. The Cisco 3600 series includes the Cisco 3640 (see Figure 1-1) and Cisco
3620 routers (see Figure 1-2).
The Cisco 3640 has four network module slots; the Cisco 3620 has two slots. Each network
module slot accepts a variety of network module interface cards, supporting a variety of
LAN and WAN technologies.
C H A P T E R
Overview of Cisco WAN and Voice Interface Cards 1-1
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