American Fibertek RRM-1485 User Manual
Page 6
6
RRM-1485 STATUS INDICATORS
The RRM-1485 receiver provides the following LED status indicators to aid in installation
and troubleshooting:
OLI
A bi-color LED indicator monitors the optical input power of the video and data signal
that is being received at the RRM-1485 from the MTM-1485 or the RTM-1485. DC
power and optical input status associated with this LED are summarized below.
Optical Level Indicator
DC Power Status
Optical Status
Green
On
Proper Optical Input Power Present
Red
On
Optical Input Not Detected
Off
Off
Check Power Supply
DATA TX
A red LED indicator is provided to monitor the RS485 input data from the electrical
interface, through the RRM-1485, and out onto the fiber. The intensity of this indicator
will vary with input data patterns, however in typical applications it will cycle on and off
as data is transmitted. RS485 status associated with this LED is summarized below.
DATA TX LED
RS485 Status
Red
Data Flow Present
Off
Data Flow Not Detected
DATA RX
A red LED indicator is provided to monitor the RS485 data coming in from the fiber,
through the RRM-1485, and out onto the electrical interface. The intensity of this
indicator will vary with input data patterns, however in typical applications it will cycle on
and off as data is received. RS485 status associated with this LED is summarized
below.
DATA RX LED
RS485 Status
Red
Data Flow Present
Off
Data Flow Not Detected