American Dynamics SpeedDome Ultra VIIE Installation And Service Manual page 21

2. Check ac power and video connections at J-
box. Are 24Vac and/or video signal absent?
YES Correct problem at J-box.
NO Go to step 3.
3. Detach dome from base and examine address
switches. Are they set correctly?
YES If dome still doesn't respond, contact your
sales representative for repair
instructions. If you must repair the dome,
see "Detailed Troubleshooting", next.
NO Set correct address and reattach housing
and eyeball assembly.
Steps 4-9 are only for bases with I/O boards!
If the mounting base DOES NOT contain an I/O
board, stop here and contact your sales
representative for repair
4. Isolate problem to housing and eyeball
assembly or base by attaching dome to another
base with I/O board. Does dome display video
or respond to commands?
YES Problem is likely cable connections or I/O
board if used. Go to step 5.
NO Contact your sales representative for
repair instructions
5. Verify coaxial video cable is securely connected
to coax of I/O board (Figure 21). Is cable
disconnected?
YES Connect cable.
NO Go to step 6.
SPEEDDOME ULTRA VII AND ULTRA VIIE CAMERA DOME
INSTALLATION AND SERVICE GUIDE
instructions.
Figure 21. I/O board connector and jumper
locations
6. Observe green power LED on I/O board
(Figure 21). Is green LED off or not on steady?
YES Verify 24Vac cable is properly attached. If
OK, replace I/O board or contact your
sales representative for repair
instructions.
NO Go to step 7.
P7 Connector (AC in)
Pin Color
1 Black
2 Red
3 White
21 of 38
Pin 1
Pin 1
P3
P7
P4
P8
I/O BOARD
JW1
JW1 Terminations
PINS FUNCTION
1-2
Unterminated
2-3 Terminated
Designation
24 Vac
Ground
24 Vac
8200-0184-01, REV. E
Pin 1
Pin 1
P1