3
RR-740C STATUS INDICATORS
The RR-740C receiver provides the following LED status indicators described below to aid in
installation and troubleshooting:
VLI 1 THROUGH VLI 4
A bi-color LED indicator is provided for each of the four video outputs of the RR-740C. DC
power and video status associated with each of these LED’s are summarized below.
Video Presence LED
DC Power Status
Video Status
Green
On
Proper Output Video Present
Red
On
Output Video Not Detected
Off
Off
Check Power Supply
OLI
A bi-color LED indicator monitors the optical input power of the data signal that is being
received at the RR-740C from the MT-740C or the RT-740C. 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
