Appendix E: Incoming Inspection Test
CTS 710 SONET Test Set User Manual
E–7
1. Attach electrical and optical loop-back cables from the OUT
outputs to the IN inputs.
2. Perform the initial setup of the CTS 710 with the following
sequence:
Press Menu
Button
Select Menu
Page
Highlight
Parameter
Select Choice
TEST SETUPS RECALL
INSTRUMENT
SETUPS
DEFAULT
FACTORY
SETTINGS
Recall Setup
TRANSMIT TRANSMIT
SETTINGS
Tx/Rx Settings Coupled
Transmit Rate DS1
3. To check the DS1 rate, press the CLEAR HISTORY button, wait
two seconds, and then verify that no yellow history lights are on.
4. To check the DS3 rate, set the transmit rate as follows:
Press Menu
Button
Select Menu
Page
Highlight
Parameter
Select Choice
TRANSMIT TRANSMIT
SETTINGS
Transmit Rate DS3
NOTE. When changing the transmit rate, the LOP, LOS, and LOF
history lights may turn on; this is normal. However, the red error
lights should not stay on.
5. Press the CLEAR HISTORY button, wait two seconds, and then
verify that no yellow history lights are on.
This completes the incoming inspection test.
Appendix E: Incoming Inspection Test
CTS 710 SONET Test Set User Manual
E–7
1. Attach electrical and optical loop-back cables from the OUT
outputs to the IN inputs.
2. Perform the initial setup of the CTS 710 with the following
sequence:
Press Menu
Button
Select Menu
Page
Highlight
Parameter
Select Choice
TEST SETUPS RECALL
INSTRUMENT
SETUPS
DEFAULT
FACTORY
SETTINGS
Recall Setup
TRANSMIT TRANSMIT
SETTINGS
Tx/Rx Settings Coupled
Transmit Rate DS1
3. To check the DS1 rate, press the CLEAR HISTORY button, wait
two seconds, and then verify that no yellow history lights are on.
4. To check the DS3 rate, set the transmit rate as follows:
Press Menu
Button
Select Menu
Page
Highlight
Parameter
Select Choice
TRANSMIT TRANSMIT
SETTINGS
Transmit Rate DS3
NOTE. When changing the transmit rate, the LOP, LOS, and LOF
history lights may turn on; this is normal. However, the red error
lights should not stay on.
5. Press the CLEAR HISTORY button, wait two seconds, and then
verify that no yellow history lights are on.
This completes the incoming inspection test.