To enable Scrambling, configure Scramble under the respective Serial Interface for the T3/E3 Controller.
Refer to Table 57: DSU Modes and Vendor-supported Bandwidths, on page 995 for more information regarding
the modes.
The local interface configuration must match the remote interface configuration. For example, if you define
the data service unit (DSU) interoperability mode as digital-link on the local port, you must also do the same
on the remote port.
You must know what type of DSU is connected to the remote port to determine if it interoperates with a T3
or an E3 controller. The dsu mode command enables and improves interoperability with other DSUs.
To verify the DSU mode configured on the interface, use the show controllers t3 command in EXEC mode.
Task ID
OperationsTask ID
read, writesonet-sdh
Examples
The following example shows how to set the DSU mode to digital-link for T3 controller 1 located in chassis
0, on a SIP in slot 6 and SPA in subslot 2, and port 0 with T3 controller 1:
RP/0/RSP0/CPU0:router(config)# controller t3 0/6/2/0/1
RP/0/RSP0/CPU0:router(config-t3)# dsu mode digital-link
Related Commands
DescriptionCommand
Displays information about the E3 links and hardware and software
drivers for the E3 controller.
show controllers e3, on page 1038
Displays information about the T3 links and hardware and software
drivers for the T3 controller.
show controllers t3, on page 1054
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
997
T3, E3, T1, E1 Controller Commands on the Cisco ASR 9000 Series Router
dsu mode
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