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Table 5 Cisco 3660 Series Network Modules, Product Numbers, and Descriptions
Network Modules Description Minimum IOS Rel
Serial Network Modules
NM-16A 16-port high-density async network module 12.0.5XK and 12.0.5T
NM-32A 32-port high-density async network module 12.0.5XK and 12.0.5T
NM-4T 4-port serial network module 12.0.5XK and 12.0.5T
NM-4A/S 4-port async/sync serial network module 12.0.5XK and 12.0.5T
NM-8A/S 8-port async/sync serial network module 12.0.5XK and 12.0.5T
NM-1HSSI 1-port high speed serial interface module 12.0.5XK and 12.0.5T
LAN Network Modules and Mixed-Media LAN and WAN Network Modules
NM-1FE2W 1 10/100 Ethernet 2 WAN Card Slot Network Module 12007XK or 12101T
NM-2FE2W 2 10/100 Ethernet 2 WAN Card Slot Network Module 12007XK or 12101T
NM-1E1FE2W 1 10/100 Ethernet 1 4/16 Token Ring 2 WAN Card Slot NM 12007XK or 12101T
NM-2W 2 WAN Card Slot Network Module (no LAN) 12007XK or 12101T
NM-1FE-TX 1-port Fast Ethernet network module (10/100BaseTX only) 12.0.5XK and 12.0.5T
NM-1FE-FX 1-port Fast Ethernet network module (10/100Base Fiber only) 12.0.5XK and 12.0.5T
NM-4E 4-port Ethernet network module 12.0.5XK and 12.0.5T
NM-1E 1-port Ethernet network module 12.0.5XK and 12.0.5T
NM-1E2W 1-port Ethernet, two-WAN-card-slot network module 12.0.5XK and 12.0.5T
NM-2E2W 2-port Ethernet, two-WAN-card-slot network module 12.0.5XK and 12.0.5T
NM-1E1R2W 1-port Ethernet, one-port Token Ring, two-WAN-card-slot network module 12.0.5XK and 12.0.5T
Digital Packet Voice and Fax Trunk Network Modules
NM-HDV-1T1-24 Single-port, 24-channelT1 voice/fax Network Module(supports 24 channels of
medium complexity VoCoders: G.729a/b, G.726, G.711 and fax or 12 channels
of G.726, G.729, G.723.1, G.728, G.729a/b, G.711 and fax)
12.0.5XK and 12.0.5T
NM-HDV-1T1-24E Single-port, enhanced 24-channel T1 voice/fax Network Module (supports 24
channels of high and medium complexity VoCoders: G.729a/b, G.726, G.729,
G.728, G.723.1, G.711 and fax)
12.0.5XK and 12.0.5T
NM-HDV-2T1-48 Dual-port, 48-channel T1 voice/fax Network Module (supports 48 channels of
medium complexity VoCoders: G.729a/b, G.726,G.711and fax or 24 channels
of G726, G729, G723.1, G.728, G729a/b, G711 and fax) Supports add/drop
multiplexing (drop and insert)
12.0.5XK and 12.0.5T
NM-HDV-1E1-30 Single-port, 30-channel E1 voice/fax Network Module (supports 30 channels
of medium complexity VoCoders: G.729a/b, G.726, G.711 and fax or 12
channels of G.726, G.729, G.723.1, G.728, G.729a/b, G.711 and fax)
12007XK or 12101T