Alcatel-Lucent 7950 XRS Series, Configuration Manual

Page: 385 / 502

System Management
7950 SR OS Basic System Configuration Guide Page 385
input
Syntax input
Context config>system>sync-if-timing>bits
Description
This command provides a context to enable or disable the external BITS timing reference inputs to the XRS
router. In redundant systems with BITS ports, there are two possible BITS-in interfaces, one for each CPM.
Default
shutdown
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 XRS router. On redundant systems, there are two possible BITS-out interfaces, one for each
CPM.
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