Technical Manual

86 D C U M a i n t e n a n c e a n d O p e r a t i o n M a n u a l
Transceiver GxSN X
Message value indicates serial number of transceiver
board type G. X will be a value 1-4 to indicate slot
number. These messages are sent following a reset and
with the transmission of test records from the DCU.
Transceiver JxBR X
Message value indicates baud rate of transceiver board
type J. X will be a value 1-4 to indicate slot number.
These messages are sent following a reset and with the
transmission of test records from the DCU.
Transceiver JxDM X
Message value indicates demodulator mode (linear or
correlated) of transceiver board type J. X will be a value
1-4 to indicate slot number. These messages are sent
following a reset and with the transmission of test
records from the DCU.
Transceiver JxFW X
Message value indicates firmware revision of transceiver
board type J. X will be a value 1-4 to indicate slot
number. These messages are sent following a reset and
with the transmission of test records from the DCU.
Transceiver JxHW X
Message value indicates hardware revision of transceiver
board type J. X will be a value 1-4 to indicate slot
number. These messages are sent following a reset and
with the transmission of test records from the DCU.
Transceiver JxSN X
Message value indicates serial number of transceiver
board type J. X will be a value 1-4 to indicate slot
number. These messages are sent following a reset and
with the transmission of test records from the DCU.
Transceiver LOLx
Loss of Lock indicates that the receiver has temporarily
been off the programmed frequency. This can be caused
by a faulty receiver, a lightning strike, or interference
on the programmed or adjacent channels. The message
value indicates the transceiver slot (1-4) that had the
error.
Transceiver PkRSSI=-127.0,1920 Hourly X X
A value of 55 is used as an error code, not a real
measurement. The first value provides the
measurement. The second value is used to denote the
channel when coming from a T-Board.
Transceiver SSC_CH0 Overrun Event X X
SSC channel 0 overrun. Internal error code for
engineering diagnosis.
Transceiver SSC_CH1 Overrun Event X X
SSC channel 1 overrun. Internal error code for
engineering diagnosis.
Transceiver SSC_CH2 Overrun Event X X
SSC channel 2 overrun. Internal error code for
engineering diagnosis.
Transceiver T1DISCONNECTED Event X
Synchronous serial channel 0 timeout; T-board 1
disconnected.
Transceiver T1FW=01.02.0014 On Reset Firmware Version loaded on T-Board 1.
Source Message Frequency DCU 2 DCU 2+
Mainboard
Firmware
Description