Setting Alarms and Inserting Errors
3–138 CTS 710 SONET Test Set User Manual
Simulating Transmit Failures
The CTS 710 can simulate transmit failure conditions to test the
response of the network.
To simulate a transmit failure:
Press Menu
Button Select Menu
Page Highlight
Parameter Select Choice
TRANSMIT ERRORS &
ALARMS Failure set to None
LOS
LOF
STS LOP
(Add/Drop/Test
Option Only)
VT LOP
(Add/Drop/Test
Option Only)
VT LOM
(Add/Drop/Test
Option Only)
NOTE. VT LOP and VT LOM can be selected only if Mapping, on the
TRANSMIT SETTINGS page, is set to VT 1.5 Async.
HSelect None to stop simulating failures.
HSelect LOS to simulate a loss of signal failure.
HSelect LOF to simulate a loss of frame failure.
HSelect STS LOP to simulate a loss of pointer failure in the STS.
HSelect VT LOP to simulate a loss of pointer failure in the virtual
tributary.
HSelect VT LOM to simulate a loss of multiframe failure in the
virtual tributary.
Setting Alarms and Inserting Errors
3–138 CTS 710 SONET Test Set User Manual
Simulating Transmit Failures
The CTS 710 can simulate transmit failure conditions to test the
response of the network.
To simulate a transmit failure:
Press Menu
Button Select Menu
Page Highlight
Parameter Select Choice
TRANSMIT ERRORS &
ALARMS Failure set to None
LOS
LOF
STS LOP
(Add/Drop/Test
Option Only)
VT LOP
(Add/Drop/Test
Option Only)
VT LOM
(Add/Drop/Test
Option Only)
NOTE. VT LOP and VT LOM can be selected only if Mapping, on the
TRANSMIT SETTINGS page, is set to VT 1.5 Async.
HSelect None to stop simulating failures.
HSelect LOS to simulate a loss of signal failure.
HSelect LOF to simulate a loss of frame failure.
HSelect STS LOP to simulate a loss of pointer failure in the STS.
HSelect VT LOP to simulate a loss of pointer failure in the virtual
tributary.
HSelect VT LOM to simulate a loss of multiframe failure in the
virtual tributary.