Appendix G: Rear-Panel Connectors
CTS 710 SONET Test Set User Manual G–7
Table G–6: Overhead Add/Drop Port Additional Pin
Assignments
Signal Pin
Shield (ground) 1
Signal Ground (ground) 19
Reserved 33
Tx Frame Pulse (output)115
Rx Frame Pulse (output)136
1 The Frame Pulse signals are nominal 8 kHz, TTL, single-ended signals.
BITS Timing Reference Input
Use the BITS (Building Integrated Timing Supply) timing reference
input connector to connect to a BITS reference. To synchronize the
CTS 710 transmit clock with a BITS reference:
Press Menu
Button Select Menu
Page Highlight
Parameter Select Choice
TRANSMIT TRANSMIT
SETTINGS Transmit Clock BITS
Appendix G: Rear-Panel Connectors
CTS 710 SONET Test Set User Manual G–7
Table G–6: Overhead Add/Drop Port Additional Pin
Assignments
Signal Pin
Shield (ground) 1
Signal Ground (ground) 19
Reserved 33
Tx Frame Pulse (output)115
Rx Frame Pulse (output)136
1 The Frame Pulse signals are nominal 8 kHz, TTL, single-ended signals.
BITS Timing Reference Input
Use the BITS (Building Integrated Timing Supply) timing reference
input connector to connect to a BITS reference. To synchronize the
CTS 710 transmit clock with a BITS reference:
Press Menu
Button Select Menu
Page Highlight
Parameter Select Choice
TRANSMIT TRANSMIT
SETTINGS Transmit Clock BITS