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Configuring Serial Interfaces on Cisco IOS XR Software
Information About Serial Interfaces
HC-117
Cisco IOS XR Interface and Hardware Component Configuration Guide
High Level Over-View: Serial Interface Configuration on Clear-Channel SPAs
Table 10 provides a high-level overview of the tasks required to configure a T3 serial interface on a
2-Port and 4-Port Clear Channel T3/E3 SPA.
Table 11 provides a high-level overview of the tasks required to configure an E3 serial interface on a
2-Port and 4-Port Clear Channel T3/E3 SPA.
Table 10 Overview: Configuring a T3 Serial Interface on a Clear Channel SPA
Step Task Module Section
1. Use the hw-module subslot
command to set serial mode for the
SPA to be T3, if necessary.
Note By default, the 2-Port and
4-Port Clear Channel
T3/E3 SPA is set to run in
T3 mode.
“Configuring Clear Channel T3/E3
Controllers and Channelized T3
Controllers on Cisco IOS XR
Software”
“Setting the Card Type for the Clear
Channel SPAs”
2. Configure the T3 controller “Configuring Clear Channel T3/E3
Controllers and Channelized T3
Controllers on Cisco IOS XR
Software”
“Setting the Card Type for the Clear
Channel SPAs”
3. Configure the serial interface that is
associated with the T3 controller
you configured in Step 2.
“Configuring Serial Interfaces on
Cisco IOS XR Software”
“Configuring the Serial Interfaces”
Table 11 Overview: Configuring an E3 Serial Interface on a Clear Channel SPA
Step Task Module Section
1. Use the hw-module subslot
command to set serial mode for the
SPA to be E3.
Configuring Clear Channel T3/E3
Controllers and Channelized T3
Controllers on Cisco IOS XR Software
Setting the Card Type for the Clear
Channel SPAs
2. Configure the E3 controller Configuring Clear Channel T3/E3
Controllers and Channelized T3
Controllers on Cisco IOS XR Software
Setting the Card Type for the Clear
Channel SPAs
3. Configure the serial interface that is
associated with the E3 controller
you configured in Step 2.
Configuring Serial Interfaces on
Cisco IOS XR Software
Configuring the Serial Interfaces