NM-4T, Cisco Network Module NM-4T, 4 Puertos Seriales/WAN de Alta Velocidad/Module Enchufable

The Cisco NM-4T is an enterprise-class network module designed to expand serial WAN connectivity on Cisco 3600 Series routers. This plug-in module delivers four Smart Serial interfaces supporting synchronous data rates up to 8 Mbps, making it ideal for legacy WAN, frame relay, and leased-line environments across Asia, Europe, Africa, and North America. With robust support for HDLC, PPP, Frame Relay, and X.25, plus SNMP, Telnet, and RMON management, the NM-4T helps distributors, SMB integrators, and end users build reliable, scalable high-speed WAN access.

Product Features Comparison

Model	NM-4T, Cisco NM-4T Network Module, 4 Serial Ports/High-Speed WAN/Plug-in Module	NM-CEM-4TE1, Cisco NM-CEM Series Network Module, 4-Port T1/E1, Circuit Emulation, For Router	HWIC-1DSU-T1, Cisco HWIC-1DSU-T1 WAN Interface Card, 1-Port T1, DSU/CSU, High-Speed	HWIC-1T, Cisco HWIC-1T Series WAN Interface Card, 1-Port Serial, High-Speed WAN, Router Expansion
Brand	Cisco	Cisco	Cisco	Cisco
Module Type	Network Module	Network Module	WAN Interface Card	Expansion module
Port Configuration	4 Serial ports	4-Port T1/E1	1 T1/Fractional T1	1 Serial port
Supported Speed	Up to 8 Mbps	Up to 1.544 Mbps per T1; up to 2.048 Mbps per E1	Up to 1.544 Mbps	8 Mbps synchronous; 115.2 kbps asynchronous
Compatible Platform	Cisco 3600 Series Routers	Cisco Routers	Cisco Routers	Modular Cisco 1841, 1861, 1900, 2800, 2900, 3800, and 3900 ISRs
Installation Type	Plug-in Module	Network Module	Plug-in module	Plug-in module