Symmetricom TimeSource 3600 User Manual page 86

Chapter 3 Installing the TimeSource 3600
Installing the Shelf
3. In the direction not to be synchronized by the ESCIU module, connect new
cables from the ESCIU module RTNx IN connector to the NE transmit (OUT)
terminal, and connect from the ESCIU module RTNx OUT connector to the NE
receive (IN) terminal.
4. In the direction to be synchronized by the ESCIU module, connect new cables
from the ESCIU module IN connector to the NE transmit (OUT) terminal, and
connect from the ESCIU module OUT connector to the NE receive (IN) terminal.
5. Remove the 75 Ω (E1) termination plug from the OUT jack and patch cords from
the NE IN jack. The E1 system bit stream is now going through the ESCIU
module.
6. Verify that there are no alarms on the NEs on the E1 system. If there are alarms,
repeat Step 1
Note: If the TimeSource 3600 is still in warm-up or searching for GPS
satellites, alarms may be present. All synchronization-related alarms
should clear while the TimeSource 3600 is in steady-state operation.
7. Remove the remaining patch cords from the NE MON jack.
86 TimeSource 3600 User's Guide
and recheck the cross-connect wiring. Repeat Step 5.
097-72060-01 Revision J – June, 2007