Cisco CISCO2650 - 2650 Router Hardware Installation Manual page 127

Chapter 7 Connecting ISDN PRI Network Modules
Table 7-1
Modular Access Router
Cisco 3660
Cisco 37xx
OL-2485-20
Modular Access Routers Supporting Cisco Channelized T1/E1 PRI Network Modules with
G.703
NM-1CE1T1-PRI
Yes
Yes
Channelized T1/E1 PRI Network Modules with G.703
NM-2CE1T1-PRI
Yes
Yes
Cisco Network Modules Hardware Installation Guide
7-3