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Using Bundles to Create Logical Configurations for Physical Interfaces, CTP Release 7.3, CTPView Release 7.3
Table 56: LOS Settings in the CTP Menu
Field
Check LOS on T1/E1 ports for
CTP/SAToP bundles? y[n]
134
Select 20) LOS checking (T1E1 only) to configure the functionality to detect LOS for
6.
the T1E! interfaces in a CTP bundle or SAToP bundle.
Follow the onscreen instructions and configure the options as described
7.
Table 56 on page
134.
Function
Specifies that the capability to identify
LOS alarms on T1E1 interfaces in SAToP
or CTP bundles needs to be enabled.
A loss of signal (LOS) alarm indicates
that there is a physical link problem with
the connection to the router receive port
from the neighboring SONET equipment
transmit port. An LOS alarm occurs when
the port on the card is in service but no
signal is being received. The cabling is not
correctly connected to the ports, or no
signal exists on the line. Possible causes
for a loss of signal include upstream
equipment failure or a fiber cut.
Your Action
Enter
y
or
n
to enable or disable the LOS
detection capability.
NOTE:
Although this menu option to
enable or disable the LOS detection
functionality is shown regardless of the
port type, such as serial interfaces or T1E1
interfaces, this setting becomes effective
on a T1/E1 port only when it is connected
to a CTP or SAToP bundle. If the LOS
detection functionality is enabled on a
serial port or other bundle types, the
setting is not processed.
Copyright © 2018, Juniper Networks, Inc.
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