Product Description:
Cisco 2600, 2600XM, 2800, 3600, 3700, 3800 Series -
The Cisco
32-port (NM-32A) asynchronous (async) network module provides 32
EIA/TIA-232 (formerly know as RS-232) data terminal equipment (DTE)
serial interfaces at speeds up to 134.4 kbps. This module uses
the 68-pin OCTAL Cables such as the CAB-OCTAL-ASYNC= and
CAB-OCTAL-MODEM=. The NM-32A module is often used to provide out
of band connectivity to the console ports of other devices in a
comm/terminal server setup.
About the Cisco 2600 Series:
"Modular and cost-effective solution for duty as access router,
voice/data gateway, or dial-access server. Connects one or two
Ethernet or Token Ring LANs to ISDN, channelized T1, Ethernet,
analog modems, or ATM links. Also supports voice/fax and Frame
Relay" (Cisco - A Beginner's Guide Third Edition by Velte & Velte).
About the Cisco 3700 Series:
"Modular routers, targeted at branch offices. Supports Frame
Relay, ISDN, LL, X.25, ATM, fractional T1/E1, xDSL, T3/E3, HSSI
WAN protocols" (Cisco A Beginner's Guide Third Edition by Velte & Velte).