Copyright © 1998 Cisco Systems, Inc. All Rights Reserved.
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OVERVIEW
Digital Modem Network Modulesfor the Cisco 3600 Platform

Introduction

TheCisco 3600 Series is a family of modular, multifunction access
routers for medium and large-sized offices and smaller Internet
ServiceProviders. With over70 modular interface options, the Cisco
3600 family provides solutions for voice/data integration, virtual
privatenetworks (VPNs) dial access, and multiprotocol data routing.
Using Cisco’s Voice/Fax network modules, the Cisco 3600 Series
allows customers to consolidate voice, fax, and data traffic on a
single network infrastructure. The high-performance, modular
architectureof the Cisco 3600 Series protects customers’ investment
innetwork technology and integrates the functions of several devices
into a single, manageable solution.
Now, with this announcement of the new digital modem
networkmodules, the Cisco 3600 expands its role as a multifunction,
branch/enterpriseorientated platform that, supports voice over data,
dial access and LAN-to-LAN or routing in one modular platform,
making it an ideal solution forthe “power branch” environment.
The following network modules are being announced:

Features at a Glance

Up to 30 digital modems per 3620
Up to 60 digital modems per 3640
Up to 120 digital modems in a 3660
Network module requires one slot in a Cisco 3600
Each network module supports up to 30 digital modems
Each modem is fully software upgradable
Speeds up to 56 kbps (V.90) are supported
• The number of modems per chassis can be easily increased on site
• LEDs indicate when the network module is enabled/modem banks
are in use
PRI, BRI, CT1, and R2 support
V.110 support
Dial-out and Fax-out capable
Table 1
Product Product Description1
NM-6DM 6 digital modem network module
NM-12DM 12 digital modem network module
NM-18DM 18 digital modem network module
NM-24DM 24 digital modem network module
NM-30DM 30 digital modem network module
MICA-6MOD 6 digital modem upgrade card for the Cisco 3600 digital
modem network modules
MMTL-3600 Managed Modem Software License (available in blocks
of6 modems)
1.Note: These digital modem network modules must operate in conjunction with a
TI/EI/PRI/BRInetwork module. For details on supported PRI network modules, see
the “Technical Specifications” section.