Removing A Cable For An External Clocking Device From A Ptx5000 Ccg; Installing A Cable Between An External Clocking Device And A Ptx5000 Ccg - Juniper PTX5000 Hardware Manual

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Removing a Cable for an External Clocking Device From a PTX5000 CCG

To remove a cable with RJ-48 connectors from a BITS A or BITS B port on the CCG:

1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to

one of the ESD points on the chassis.

2. Disconnect the cable from the T1 external clocking device.

3. Disconnect the cable from the BITS A or BITS B port on the CCG.

To connect a cable with RJ-48 connectors to an BITS A or BITS B port on the CCG:

1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to

one of the ESD points on the chassis.

2. Plug one end of the cable into the appropriate BITS A or BITS B port on the CCG.

3. Plug the other end of the cable into the T1 external clocking device.

4. Verify that the LINK LED for the port is lit steadily green, and that the FAULT LED is not lit.

5. Issue the show chassis synchronization command to check the status of the port.

user@host> show chassis synchronization

Clock Synchronization Status :

Clock module on CCG 0

Current state

Current clock state

Selected for

Selected since

Deviation (in ppm)

Last deviation (in ppm): +0.51

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