1-12 Basic Troubleshooting
Power/Status Off Off Station Off
Green Flashing Station Operating Normally, with DC power
Solid Station Operating Normally, with AC power
Red Flashing Station Operational – Minor Alarm
Solid Station Not Operational – Major Alarm
Amber Flashing Station in Service Mode
Solid Station is Disabled (Dekeyed)
Tx Slot 1
Tx Slot 2
Off Off Transmitter is not transmitting
Green Solid Transmitter is transmitting
Flashing Transmitter is transmitting, but at reduced power
Rx Slot 1
Rx Slot 2
Off Off Receiver qualifier has not been met
Green Solid Receiver qualifier has been met
Mode Off Off Analog Mode (FM)
Blue Solid Digital Mode (2 Slot TDMA, 4FSK)
Ethernet Link Off Off No Ethernet connection
Green Solid Linked
Flashing Network traffic
Reference Off Off No external reference is present
Green Solid Training process is completed, and the
calibration data has been written to the
EEPROM, or an external reference is present
after training (which the base station/repeater
has phase locked to).
Amber Solid Locked to external reference, and training is in
progress
Note The RDAC application will be needed when the Status LED is red (solid or flashing). This
status indicates a minor or major alarm. The RDAC application is used to identify the
specific alarm and probable diagnosis to aid in identifying the FRU at fault.
If the Reference LED remains amber for more than one minute after the alignment, then
verify the integrity of the source used to train the base station/repeater’s internal reference.
If the integrity of the source is verified to be good, then the SCM will need to be replaced.
Table 1-6. MTR3000 Software and Hardware Controlled LEDs (Continued)
LED Function Name LED Color LED State Status Indication
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