Ericsson Baseband 6630 - 6.2 Preventive Maintenance

Marking Connector Description Optical Indicator
(1)
SYNC RJ-45 Synchronization
interface for connection
of a GNSS receiver unit,
for example, GPS 03 01
External interface
Yes
SAU RJ-50 Interface for connection
of a Support Alarm Unit
(SAU)
Yes
LMT RJ-45 LMT A interface
(12)(13)
LMT B Interface
(13)(14)
Synchronization test
interface
(15)(16)
Internal and external
interfaces
Yes
(17)
EC RJ-45 Enclosure Control Bus
(ECB)
Internal interface
Yes
ALARM RJ-45 External alarm interface.
The unit supports eight
external alarms, four per
port.
- Fault
Optical indicator, red
Yes
- Operation
Optical indicator, green
Yes
- Maintenance
Optical indicator, blue
For information about
the maintenance button,
refer to Indicators,
Buttons, and Switches.
Yes
- Status
Optical indicator, yellow
Yes
- Fan unit fault
Optical indicator, yellow
Yes
(1) For more information about optical indicators, refer to Indicators, Buttons, and Switches
(2) The 19-inch Baseband units have a built-in 10 ms hold-up function.
(3) The unit supports power redundancy. Connect power sources to both power ports. If the power to one port goes
down, a failover will occur automatically to the other power source.
Baseband Interfaces
81/1551-LZA 701 6001/1 Uen AC | 2019-04-11
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