American Fibertek MTM-1485-2F8 - Manual (Page 6)

6
MTM-1485-2F8 STATUS INDICATORS
The MTM-1485-2F8 transmitter 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 data signal that is being
received at the MTM-1485-2F8 from the MRM-1485-2F8 or the RRM-1485-2F8. 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
VLI
A bi-color LED indicator is provided for the video input to the MTM-1485-2F8. DC power and
video status associated with this LED is summarized below.
Video Presence LED DC Power Status Video Status
Green On Proper Input Video Present
Red On Input Video 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 MTM-1485-2F8, 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
MTM-1485-2F8, 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