Notes
130 131
Product
Description
Supported Platforms
and Minimum Cisco
IOS Versions
Comments
Channelized T1/E1 and ISDN Primary Rate Interface Network Modules
NM-1CE1T1-PRI
One-port Channelized
E1/T1 ISDN PRI Network
Module
Provides a single
channelized E1/T1 ISDN
PRI balanced (120 ohm)
or unbalanced (75 ohm)
connection
Modular Router Solutions
Serial and Legacy
Concentration
ISDN Concentration
3800 Series–123(11)T
2811, 2821, and 2851–
123(8)T
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules
Cisco Channelized T1/E1 and ISDN
Network Modules
NM-2CE1T1-PRI
Two-port Channelized
E1/T1 ISDN PRI Network
Module
Provides a double
channelized E1/T1 ISDN
PRI balanced (120 ohm)
or unbalanced (75 ohm)
connection
Modular Router Solutions
Serial and Legacy
Concentration
ISDN Concentration
3800 Series–123(11)T
2811, 2821, and 2851–
123(8)T
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules