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Data Sheet
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along with support for V.54 inline loop commands, complement the management features of the
Cisco Channelized T1/E1 and ISDN PRI Module.
Reliability
Integrating the external E1/T1 terminating device (CSU/DSU) increases the overall system
reliability. Possible points of failure are reduced by eliminating the second power supply, additional
fans, extra cabling, and other equipment that accompany a "two-box" solution. This increase in
reliability allows service providers to more easily and cost-effectively meet the requirements of
their customers' service-level agreements (SLAs) and provides enterprises with maximum
equipment uptime.
Product Specifications
Table 1 lists the product numbers of the Cisco Channelized T1/E1 ISDN PRI Modules and the
cables for balanced and unbalanced E1.
Table 1.
Product Numbers of the Cisco Channelized T1/E1 and ISDN PRI Modules and Cables
Product Number
Description
HWIC-1CE1T1-PRI
1 Port Channelized T1/E1 and ISDN PRI High Speed WAN Interface Card
HWIC-2CE1T1-PRI
2 Port Channelized T1/E1 and ISDN PRI High Speed WAN Interface Card
NM-8CE1T1-PRI
8 Port Channelized T1/E1 and ISDN PRI Network Module
CAB-E1-RJ45BNC
E1 Cable RJ-45 to Dual BNC (Unbalanced)
Platform Support
Refer to the software release notes or the Cisco IOS Software Upgrade Planner, or ask your local
Cisco representative for information about supported platforms and minimum software and
memory requirements. Table 2 shows the minimum Cisco IOS Software requirements for each
platform.
Table 2.
Minimum Cisco IOS Software Requirements
Minimum Cisco IOS Software Feature Set Minimum Cisco IOS Software Release
IP BASE
●
12.4(11)XW4
●
12.5T first release (TBD)
Table 3 shows the platform support and maximum number of Cisco Channelized T1/E1 and ISDN
PRI Modules supported in each platform.
Table 3.
Number of Cisco Channelized T1/E1 and ISDN PRI Modules per Platform
Type of Module
Cisco 1841 and 2801
Cisco 2811, 2821, and 2851
Cisco 3825
Cisco 3845
HWIC-1CE1T1-PRI
X
4
4
4
HWIC-2CE1T1-PRI
X
4
4
4
NM-8CE1T1-PRI
X
X
1
1
X = Not supported
Software and Management Features
Table 4 shows the number of DS-0 channels supported by Cisco Channelized T1/E1 and ISDN
PRI HWICs and Network Module. Each port can support up to 24 channels for T1 and 31 channels
for E1.