director 2/64 service manual

director 2/64 service manual 2–83
Diagnostics
15
An electronic circuit breaker on the UPM card may have tripped. To reset the circuit
breaker, partially remove and reseat the UPM card for which external loopback tests
failed (RRP: UPM Card on page 4–9).
1. Unseat and disconnect the UPM card from the backplane. Unseat the card only, do
not remove it from the director chassis.
2. Reseat the UPM card in the backplane.
3. Perform an external loopback test on the UPM card.
Did reseating the UPM card solve the problem?
NO YES
↓ The director is operational. Exit MAP.
Go to step 7.
16
A director port is unblocked and receiving the offline sequence (OLS) or not
operational sequence (NOS) from an attached device.
Inform the customer that the attached device failed or is set offline. Exit MAP.
17
Beaconing is enabled for the port.
1. Consult the customer and next level of support to determine the reason port
beaconing is enabled.
2. Disable port beaconing.
a. At the Port Card View, right-click the port graphic. A menu displays.
b. Click Enable Beaconing. The check mark disappears from the box adjacent
to the option, and port beaconing is disabled.
Was port beaconing enabled because port failure or degradation was suspected?
YES NO
↓ The director is operational. Exit MAP.
Go to step 1.