5.8 APS
The Automatic Protection Switching (APS) test described in this section is
applicable for SDH/SONET/PDH/DSn interfaces.
For APS test of OTN interface, refer to APS in "OTN Application".
On SDH/SONET
K1,K2 protocol decoding is performed, as well as measurement of
average and maximum duration of a specified reference event
(alarm/error).
On PDH/DSn
The average and maximum duration of a specified reference event is
measured, as is the number of events that have occurred.
5.8.1 Ports Setup and Status
The first step in running an application is to set up the port interfaces. This is
done on the Ports Setup screen, which also provides port status
information.
The setup options and status information related to each interface type are
described in separate sections:
SDH Setup and Status
SONET Setup and Status
E1 Setup and Status
DS1/J1 Setup and Status
E3 Setup and Status
DS3 Setup and Status
E4 Setup and Status
OTN Setup and Status
Please refer to the sections relevant for your current port setup
requirements.
5.8.2 Test Setup
5.8.2.1 Threshold
Touching the Threshold button in the navigation area displays the following
screen.
This screen contains the parameters for setting up the threshold values for
alarms/errors and Pass/Fail status.
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