Notes
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Cisco Serial Connectivity
Network Modules
Serial T3/E3 Network Modules
Product
Description
Supported Platforms
and Minimum Cisco
IOS Versions
Comments
NM-1T3/E3
One-port Clear Channel
T3/E3 Network Module
Provides serial
connectivity to a T3 44736
Mbps or E3 34368 Mbps
line with integrated line
interface unit (LIU) DSU
The T3/E3 port consists
of a pair of 75 ohm BNC
connectors
Modular Router Solutions
Serial Connectivity
3800 Series–123(11)T
2811, 2821, and 2851–
123(8)T4
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules
NM-1HSSI
One-port HSSI Network
Module
Provides serial speeds up
to 52 Mbps via a 50-pin
SCSI Type II connector
This network module
requires an external T3/E3
DSU/CSU
Modular Router Solutions
Serial and Legacy
Concentration
3800 Series–123(11)T
2811, 2821, and 2851–
123(8)T4
No reliance on other
network modules, WICs,
voice interface cards,
or advanced integration
modules
Product
Description
Supported Platforms
and Minimum Cisco
IOS Versions
Comments