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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.
H Select None to stop simulating failures.
H Select LOS to simulate a loss of signal failure.
H Select LOF to simulate a loss of frame failure.
H Select STS LOP to simulate a loss of pointer failure in the STS.
H Select VT LOP to simulate a loss of pointer failure in the virtual
tributary.
H Select 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.
H Select None to stop simulating failures.
H Select LOS to simulate a loss of signal failure.
H Select LOF to simulate a loss of frame failure.
H Select STS LOP to simulate a loss of pointer failure in the STS.
H Select VT LOP to simulate a loss of pointer failure in the virtual
tributary.
H Select VT LOM to simulate a loss of multiframe failure in the
virtual tributary.