System Management
Basic System Configuration Guide 401
output
Syntax output
Context config>system>sync-if-timing>bits
Description This command provides a context to configure and enable or disable the external BITS timing
reference output to the central clock of the router. On redundant systems, there are two possible BITS-
out interfaces, one for each CPM or CCM. On the 7750 SR-c4 system, there are two possible BITS-
out interfaces on the chassis front panel. The two BITS-out interfaces are configured together, but they
are displayed separately in the show command.
Default shutdown
line-length
Syntax line-length {110,220,330,440,550,660}
Context config>system>sync-if-timing>bits
Description This command configures the line-length parameter of the BITS output, This is the distance in feet
between the network element and the office clock (BITS/SSU). There are two possible BITS-out
interfaces, one for each CPM. They are configured together, but they are displayed separately in the
show command. This command is only applicable when the interface-type is DS1.
Default 110
Parameters 110 — Distance is from 0 to 110 feet
220 — Distance is from 110 to 220 feet
330 — Distance is from 220 to 330 feet
440 — Distance is from 330 to 440 feet
550 — Distance is from 440 to 550 feet
660 — Distance is from 550 to 660 feet
source
Syntax source {line-ref | internal-clock}
Context config>system>sync-if-timing>bits>output
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