Cisco 2600 Series Operation Manual page 103

Connecting Digital
Modem Network Modules to a
Network
Digital modem network modules are supported in Cisco 3600 series routers only.
Note
This chapter contains the following sections:
•
Hardware Requirements on page 10-3
•
Interface Numbering on page 10-4
•
Adding 6-Port MICA Modules to a Digital Modem Network Module on page 10-6
•
Digital Modem Module LEDs on page 10-16
These sections describe how to connect 6-, 12-, 18-, 24-, and 30-port digital modem
network modules (Cisco product numbers NM-6DM, NM-12DM, NM-18DM, NM-24DM,
NM-30DM) for Cisco modular routers. (See Figure 10-1.) These modules contain 6, 12,
18, 24, or 30 V.34+ digital modems for a direct digital connection to an Integrated Services
Digital Network (ISDN) Primary Rate Interface (PRI) or Basic Rate Interface (BRI)
channel, allowing you to mix digital and analog calls to provide remote access to a LAN.
Connecting Digital Modem Network Modules to a Network 10-1
C H A P T E R 1 0