American Fibertek MRX-8423C - Manual (Page 7)

7
MRX-8423C STATUS INDICATORS
The MRX-8423C 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-8423C. An active DATA
2 TX or RX LED indicates RS232 data is present at the input / output terminals of the MTX-
8423C. 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-8423C from video channels one through four of the MTX-8423C. AC power and optical
input status associated with this LED are summarized below. Please note that data is sent as a
subcarrier on channel one’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