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4.
STATUS INDICATORS AND DISPLAYS
The 7707CVR-8 has 11 LED Status indicators and a 4 digit alphanumeric display on the front card edge to
show operational status of the card at a glance. The card edge pushbutton and toggle switch are used to
select various displays on the alphanumeric display. Figure 5-1 shows the location of the LEDs and card
edge controls.
4.1.
STATUS INDICATOR LEDS
Two large LEDs on the front of the board indicate the general health of the module:
LOCAL FAULT:
This Red LED indicates poor module health and will be On during the absence of a
valid optical link to a 7707CVT-8 module, or if a local input power fault exists (i.e.: a
blown fuse). The LOCAL FAULT indication can also be reported to the frame
through the FRAME STATUS jumper.
MODULE OK:
This Green LED indicates good module health. It will be On when a valid optical link
to a 7707CVT-8 module is present, and board power is good.
There are nine small LEDs on the back side of the board that indicate the presence of video and optical
link.
OPTICAL LINK:
This Green LED indicates that an optical link is established.
This Red LED indicates that optical link errors are present.
VIDEO 1 PRESENT: This Green LED indicates the presence of a valid signal on the Video 1 input.
This Amber LED indicates that Video 1 output is blocked.
VIDEO 2 PRESENT: This Green LED indicates the presence of a valid signal on the Video 2 input.
This Amber LED indicates that Video 2 output is blocked.
VIDEO 3 PRESENT: This Green LED indicates the presence of a valid signal on the Video 3 input.
This Amber LED indicates that Video 3 output is blocked.
VIDEO 4 PRESENT: This Green LED indicates the presence of a valid signal on the Video 4 input.
This Amber LED indicates that Video 4 output is blocked.
VIDEO 5 PRESENT: This Green LED indicates the presence of a valid signal on the Video 5 input.
This Amber LED indicates that Video 5 output is blocked.
VIDEO 6 PRESENT: This Green LED indicates the presence of a valid signal on the Video 6 input.
This Amber LED indicates that Video 6 output is blocked.
VIDEO 7 PRESENT: This Green LED indicates the presence of a valid signal on the Video 7 input.
This Amber LED indicates that Video 7 output is blocked.
VIDEO 8 PRESENT: This Green LED indicates the presence of a valid signal on the Video 8 input.
This Amber LED indicates that Video 8 output is blocked.
7707CVR-8 Eight Analog Video Fiber Receiver
Revision 1.0
7700 MultiFrame Manual
7707CVR-8 - 7
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