Configuring Sonet Mode - Cisco ASR 1000 Configuration Manual

Configuration Tasks
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Configuring the Controller for SONET or SDH Mode
Controller configuration is required for both SONET and SDH framing modes. To configure the
controller on the 1-Port Channelized OC-3/STM-1 SPA or 1-Port Channelized OC-12/STM-4 SPA,
complete the following step:
Command
Router(config)# controller sonet
slot/subslot/port

Configuring SONET Mode

To configure SONET mode, complete the following steps:
Command
Step 1
Router(config-controller)# framing
sonet
Step 2 Router(config-controller)# clock source
{internal | line}
Step 3 Router(config-controller)# loopback
{local | network}
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide
19-4
Chapter 19 Configuring the 1-Port Channelized OC-3/STM-1 SPA and 1-Port Channelized OC-12/STM-4 SPA
Configuring DS1 (Channelized T3 mode), page 19-9
Configuring E1 (Channelized T3/E3 mode), page 19-12
Configuring Unchannelized E3 Serial Interface, page 19-13
Verifying the Interface Configuration, page 19-14
Purpose
Selects the controller to configure and enters
controller configuration mode, where:
slot/subslot/port—Specifies the location of
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the interface.
The port number is always zero on the
Note
1-Port Channelized OC-3/STM-1 SPA
and 1-Port Channelized OC-12/STM-4
SPA.
Purpose
Specifies SONET as the frame type. This is the default.
Sets the clock source, where:
internal—Specifies that the internal clock source is
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used.
line—Specifies that the network clock source is used.
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This is the default for T1 and E1.
Enables or disables loopback mode on a SONET controller,
where:
local loopback—Loops data from the transmit path to
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the receive path.
• network loopback—Loops data received on the
external port to the transmit path and back out the
external port.
The default is disabled loopback.
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