Name
service-module 56k — interface
Synopsis
service-module 56kparameters
no service-module 56kparameters
Configures
Internal 56k (DS0) CSU/DSU
Default
Depends on the command
Description
The service-module
commands are for routers that have 56k CSU/DSU modules built into them. These commands set various options on the internal CSU/DSU. The parameters that can be configured are:
-
clock rate
speed
Configures the line speed for a four-wire 56k line. The valid speeds are 2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64. The default is 56.
-
clock source {line | internal}
By default, the clock source is the
line
, which is provided by the carrier. This command allows you to switch to theinternal
clock source on the module.-
data-coding {normal | scrambled}
normal
data coding is the default behavior for service modules.scrambled
data coding should be used only on lines configured for 64 Kbps. Both ends of the link must use the same data coding.-
network-type {dds | switched}
Determines whether the line is configured for DDS (unswitched) or switched service.
dds
is the default for four-wire service;switched
is the default for two-wire service.-
remote-loopback
By default, the service module accepts
remote-loopback
commands from the remote CSU/DSU. To disable remote loopback, use theno
form.-
switched-carrier {att | sprint | other}
The switched-carrier setting must be appropriate for your 56k provider.
att
is the default on four-wire CSU/DSUs;sprint
is the default on two-wire CSU/DSUs. This command can be ...
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