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Series Features OverviewNetwork Modules
Cisco Access Routers
NETWORK MODULE ROUTER COMPATIBILITY
3725 3661 3620 2691 2600
3745 3662 3640 2600XM
Channelized T1/E1 and ISDN Network Modules
NM-1CT1: 1-Port Channelized T1/ISDN-PRI Network Module •••••
NM-1CT1-CSU: 1-Port Channelized T1/ISDN-PRI •••••
with CSU Network Module
NM-1CE1B: 1-Port Channelized E1/ISDN-PRI •••••
Balanced Network Module
NM-1CE1U: 1-Port Channelized E1/ISDN-PRI •••••
Unbalanced Network Module
NM-2CT1: 2-Port Channelized T1/ISDN-PRI Network Module •••••
NM-2CT1-CSU: 2-Port Channelized T1/ISDN-PRI •••••
with CSU Network Module
NM-2CE1B: 2-Port Channelized E1/ISDN-PRI •••••
Balanced Network Module
NM-2CE1U: 2-Port Channelized E1/ISDN-PRI •••••
Unbalanced Network Module
NM-4B-S/T: 4-Port ISDN-BRI Network Module •••••
NM-4B-U: 4-Port ISDN-BRI with NT-1 Network Module •••••
NM-8B-S/T: 8-Port ISDN-BRI Network Module •••••
NM-8B-U: 8-Port ISDN-BRI with NT-1 Network Module •••••
ATM Network Modules
NM-1A-OC3MM: Single port ATM OC-3 – • • • –
Multimode network module for 3600
NM-1A-OC3SMI: Single port ATM OC-3 – • • • –
Singlemode Intermediate Reach NM
NM-1A-OC3SML: Single port ATM OC-3 – • • • –
Singlemode Long Reach Network Module
NM-1A-OC3MM-1V: 1-port MultimodeOC-3 – • • – –
ATM CES Network Module
NM-1A-OC3SMI-1V: 1-port Singlemode – • • – –
Intermediate Reach OC-3 ATM CES NM
NM-1A-OC3SML-1V: 1-port Singlemode – • • – –
Long Reach OC-3 ATM CES NM
NM-1A-T3: 1-Port DS3 ATM Network Module •••••
NM-1A-E3: 1-Port E3 ATM Network Module •••••
NM-1ATM-25: One port ATM 25Mbps Network Module – • • – •
NM-4T1-IMA: 4-port T1 ATM Network Module with IMA •••••
NM-4E1-IMA: 4-port E1 ATM Network Module with IMA •••••
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