6802800U74-AN
Chapter 8: Site Controller
LED
LED/Port
Name
Position Controlled by Indication
• GREEN/AMBER Blinking: BTS
synchronized to a standby SC.
• AMBER Blinking: In training.
• AMBER: GPS Free run mode
synchronized (ETSI spec).
• RED: NTP, NTP malfunction.
• RED Blinking: Calibration is re-
quired.
• GREEN/RED Blinking: Fre-
quency lock is required, pull in.
Forced Non-Synchronized Con-
figuration (FNC) Mode:
• OFF: Application is not running,
free run or NTP.
• GREEN: BTS synchronized to
GPS.
• GREEN/AMBER Blinking: BTS
synchronized to a standby SC.
• AMBER Blinking: In training.
• RED Blinking: Calibration is re-
quired.
• GREEN/RED Blinking: Fre-
quency lock is required, pull in.
LED4 BTS Alarm Front Pan-
el
SW
• OFF: No alarms.
• GREEN: Not used.
• AMBER: CAN Bus problems.
• RED: External alarms (major
Alarm), Major/critical alarm, for
details see Table 105: Site Con-
troller LED Fault Indications on
page 345.
SW 3 LEDs blinking together: R (red)
RRR->Y (yellow) YYY->G (green)
GGG – LED test just after BTS re-
set or power up
SW RRRR blinking – replace the FRU
SW RRR blinking – replace the FRU
SW R->RR->RRR->RRRR->R->RR-
>RRR->RRRR-> ... – initializing file
system (do not turn off and wait a
few minutes, then application and
configuration will have to be down-
loaded after initialization).