7
VLI
A bi-color LED indicator is provided for the video input to the MT-915D. 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
OLI
A bi-color LED indicator monitors the optical input power of the data signal that is being received at the
MT-915D from the MR-915D or the RR-915D. 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
SYNC
A bi-color LED indicator is provided to monitor the proper serialization of the electrical data stream
through the MT-915D and out onto the fiber. DC power and sync status associated with this LED is
summarized below.
Sync LED
DC Power Status
Sync Status
Green
On
Proper Data Stream Serialization Present
Red
On
Data Stream Serialization Not Detected
Off
Off
Check Power Supply
RANGE
A bi-color LED indicator is provided to monitor the maximum video input level to the
MT-915D. DC power and video status associated with this LED is summarized below.
Range LED
DC Power Status
Video Status
Green
On
Input Video Maximum < 1.4Vpp
Red
On
Input Video Maximum > 1.4Vpp
Off
Off
Check Power Supply
