7700 MultiFrame Manual
7707VT-4-HS Quad SD/Dual HD-SDI Fiber Transmitter
Revision
1.4
Page - 9
4.
STATUS INDICATORS AND DISPLAYS
The 7707VT-4-HS has 7 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 is used to select various
displays on the alphanumeric display. Figure 4-1 shows the locations of the indicators and pushbutton.
FRAME STATUS
ON/OFF
/ MODULE OK
LOCAL FAULT
LED 1
SERIAL
RUN/UPGRADE
SERIAL
LED 2
VIDEO 1 STATUS
VIDEO 2 STATUS
LED 3
LED 4
VIDEO 3 STATUS
VIDEO 4 STATUS
MENU
NAVIGATION
PUSH BUTTON
MENU
NAVIGATION
TOGGLE
SWITCH
Figure 4-1: Location of Status Indicators, Jumpers and Controls
4.1.
STATUS INDICATOR LEDS
LOCAL FAULT:
This Red LED indicates poor module health, will be ON if a laser fault exists, if a
local internal power fault exists (i.e.: a blown fuse), or the laser is set to
Discontinuous mode with no valid inputs present. Whether or not this LOCAL
FAULT indication is reported to the frame may be determined by the FRAME
STATUS jumper (see section 5.1).
MODULE OK:
This Green LED indicates good module health. It will be ON when a valid input
signal is present and the laser and internal power are good.
On the edge of the 7707VT-4-HS there are four small multi-coloured LEDs that indicate the status of the
video signals:
VIDEO 1 STATUS:
Green
indicates the presence of a valid signal on channel 1.
Yellow
indicates that the signal connected to channel 1 conflicts with the currently
selected input mode (see section 4.2.4).
Red
indicates the detection of bit errors on channel 1 (when bit error detection is
LED Off
indicates signal loss on channel 1.