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Basic Test Procedures
CTS 710 SONET Test Set User Manual
3–15
2. Set up the CTS 710 as follows:
Press Menu
Button
Select Menu
Page
Highlight
Parameter
Select Choice
TEST SETUPS RECALL
INSTRUMENT
SETUPS
DEFAULT
FACTORY
SETTINGS
Recall Setup
TRANSMIT TRANSMIT
SETTINGS
Transmit Rate STS-3
Tx/Rx Settings Coupled
TRANSMIT POINTERS &
TIMING
Pointer Control Continuous
RESULTS MAIN RESULTS none Errors
3. Press the START/STOP button on the CTS 710 so that the
START/STOP light is on.
4. Verify that there are no errors in the MAIN RESULTS display.
When the front-panel ERROR light is not on, it also indicates
there are no errors in the received signal.
5. To check for received pointer movements, change the CTS 710
setup as follows:
Press Menu
Button
Select Menu
Page
Highlight
Parameter
Select Choice
RESULTS MAIN RESULTS none Pointers
6. Verify that the CTS 710 is counting positive pointer justifications.
Depending on the clock rate of the NE, some negative pointer
justifications are also possible.
Basic Test Procedures
CTS 710 SONET Test Set User Manual
3–15
2. Set up the CTS 710 as follows:
Press Menu
Button
Select Menu
Page
Highlight
Parameter
Select Choice
TEST SETUPS RECALL
INSTRUMENT
SETUPS
DEFAULT
FACTORY
SETTINGS
Recall Setup
TRANSMIT TRANSMIT
SETTINGS
Transmit Rate STS-3
Tx/Rx Settings Coupled
TRANSMIT POINTERS &
TIMING
Pointer Control Continuous
RESULTS MAIN RESULTS none Errors
3. Press the START/STOP button on the CTS 710 so that the
START/STOP light is on.
4. Verify that there are no errors in the MAIN RESULTS display.
When the front-panel ERROR light is not on, it also indicates
there are no errors in the received signal.
5. To check for received pointer movements, change the CTS 710
setup as follows:
Press Menu
Button
Select Menu
Page
Highlight
Parameter
Select Choice
RESULTS MAIN RESULTS none Pointers
6. Verify that the CTS 710 is counting positive pointer justifications.
Depending on the clock rate of the NE, some negative pointer
justifications are also possible.