7
MRX-8223C-SL STATUS INDICATORS
The MRX-8223C-SL receiver provides the following front panel LED status indicators to aid in
installation and troubleshooting:
DATA
These indicators turn green when any data activity is present. An active DATA 1 TX LED
indicates Manchester data is present at the input terminals of the MTX-8223C-SL. An active
DATA 2 TX or RX LED indicates RS232 data is present at the input / output terminals of the
MTX-8223C-SL. The intensity of these indicators will vary depending on the input / output data
patterns sent to the unit. The data activity associated with these front panel DATA LEDs are
summarized below.
DATA 1 TX
DATA 1 RX
DATA 2 TX
DATA 2 RX
Manchester Tx
Not Used
RS232 Tx
RS232 Rx
OLI 1
A bi-color LED indicator monitors the power of the optical input signal that is being received at
the MRX-8223C-SL from video channels three and four of the MTX-8223C-SL. AC power and
optical input status associated with this LED are summarized below. Please note that data is
sent as a subcarrier on channel three’s video signal.
Optical Level Indicator
AC Power Status
Optical Status
Green
On
Proper Optical Input Power Present
Red
On
Optical Input Not Detected
Off
Off
Check Power Supply Input
