Northern Telecom Meridian 1 Installation And Maintenance Manual page 201

Table 43 : Event messages in the Event/Alarm log (continued)
Event code
EVT305-ccuu2
EVT306-ccuu1
EVT307-ccuux00
EVT307-ccuux01
EVT307-ccuux02
EVT308-ccuux
EVT680
EVT681
EVT682 and EVT683
EVT684
A B2 channel radio (radio 2 in this case) cannot be synchronized
because the B1 radio was disabled in maintenance.
Both radios belonging to the Base Station (on port ccuu) will be disabled.
The B1 radio must be operational to synchronize both radios of the Base
Station with other radios in the system. Two events are raised: one for
the B1 channel radio and another for the B2 channel radio. A
corresponding alarm code 53 will occur.
A radio (radio 1 in this case) cannot be synchronized because there are
no B2 channel radios.
Both radios belonging to the Base Station (ccuu) will be disabled. Two
events are raised: one for the B1 channel radio (as in this case) and
another for the B2 channel radio. A corresponding alarm code 53 will
occur.
A recoverable radio fault has occurred.
The radio will be reset. If a link is active when this error occurs, the link
ccuux
is dropped. Radio
An unrecoverable radio fault has occurred.
ccuux
Radio will be disabled and taken out of service. If a link is active
when this error occurs, the link is dropped. A corresponding alarm code
53 will occur.
The built-in self-test on the Base Station has failed.
ccuux
Radio will be disabled and taken out of service. If a link is active
when this error occurs, the link is dropped. A corresponding alarm code
53 will occur.
The Base Station is connected to a system that supports a radio protocol
that Meridian Companion does not understand.
Wireless communication has been disabled. This event will always
precede a UTAM code req'd or UTAM test failed alarm in the Event/Alarm
log.
A UTAM Activation Code or a Recovery Code was successfully entered.
These are informational event codes for use by Northern Telecom.
Reevaluation has been disabled due to an insufficient number of Radio
Credits. This event is usually associated with a Radio cred req'd alarm.
Meridian Companion Installation and Maintenance Guide
Troubleshooting Page 191 of 220
Meaning
is returned to service.