American Dynamics SpeedDome Ultra III Installation And Service Manual page 20

4. Isolate problem to housing and eyeball
assembly or base.
Attach dome to another base with I/O board.
Does it display video or respond to commands?
YES Problem is likely cable connections or
I/O board if used. Go to step 5.
NO Ship entire dome (base included, if it
contains an I/O board) to the NSC. Place
dust cover over spring finger connector
on I/O board.
5. Verify coaxial video cable is securely
connected to coax of I/O board (Figure 20).
Cable disconnected?
YES Connect cable.
NO Go to step 6.
Figure 20. I/O board connector and jumper
locations
Pin 1
Pin 1
P7
I/O BOARD
JW1 Terminations
PINS
1-2
2-3
20 INSTALLATION AND SERVICE GUIDE
Pin 1
P3
P4
P8
Pin 1
P1
JW1
FUNCTION
Unterminated
Terminated
6. Observe green power LED on I/O board
(Figure 21).
Green LED off or not on steady?
YES Verify 24Vac cable is properly attached.
If O.K., replace I/O board or ship entire
dome to the NSC.
NO Go to step 7.
P7 Connector (AC in)
Pin Color Designation
1 N/A 24 Vac
2 N/A Ground
3 N/A 24 Vac
7. Observe yellow communication LED on I/O
board (Figure 21).
Yellow LED flashing?
YES Go to step 8.
NO Verify RS422 or SensorNet cable is
properly attached. If OK, replace I/O
board or ship entire dome to NSC.
P1 connector (RS422/SensorNet 485 data)
Pin Color Designation
1 Orange RS422 Data In High (+)
2 Green RS422 Data In Low (–)
3 Yellow RS422 Data Out High (+)
4 Brown RS422 Data Out Low (–)
5 Orange SensorNet 485
6 Yellow SensorNet 485
Figure 21. I/O board switch and LED locations
RS422 Test
Pushbutton
Comm. LED
Power LED
SW1
SpeedDome Ultra III Camera Dome
8000-2573-01, REV. B