American Dynamics SpeedDome Ultra VIIE Installation And Service Manual page 22

7. Observe yellow comm. LED (CR28) on I/O
board (Figure 22). Is the LED on or flashing?
YES Go to step 8.
NO Verify cable is properly attached by
referring to table in step 9, page 17. If OK,
replace I/O board or contact your sales
representative for repair
Figure 22. I/O board switch and LED locations
Comm. LED
Power LED
P1 connector (Manchester data)
Pin Color Designation
1-4 Not used.
5 Black Manchester (+)
6 White Manchester (–)
P1 connector (RS-422 data)
Pin Color Designation
1 Orange RS-422 Data In High (+)
2 Green RS-422 Data In Low (–)
3 Yellow RS-422 Data Out High (+)
4 Brown RS-422 Data Out Low (–)
5-6 — Not used.
P1 connector (SensorNet 485 data)
Pin Color Designation
1-4 — Not used.
5 Orange SensorNet 485
6 Yellow SensorNet 485
SPEEDDOME ULTRA VII AND ULTRA VIIE CAMERA DOME
INSTALLATION AND SERVICE GUIDE
instructions.
SW1
RS422 Test
Pushbutton
8. If using RS-422 network and an I/O board is
used, check comm. line connections by
pressing and holding data test switch SW1
(Figure 22) and observing nearby red (CR34)
and green (CR35) LEDs. These LEDs indicate
the following:
Constant green,
Blinking red
Constant green,
No red
Constant red,
Blinking green
Blinking red,
Green off
Both LEDs off
9. Check spring finger connector on I/O board by
connecting housing and eyeball assembly to
original base to verify contact between spring
fingers and CPU board (under cap). Does dome
produce video and respond to commands?
YES Spring fingers may not have seated
properly. Reconnect housing and eyeball
assembly.
NO Replace I/O board.
If routine troubleshooting did not solve the problem,
the manufacturer strongly recommends you
contact your sales representative for repair
instructions.
If you must perform detailed troubleshooting, use
extreme care when disassembling parts! See
"Detailed Troubleshooting," next.
22 of 38
Comm. line correctly
wired.
"Data In -" shorted to
ground.
"Data In +/ -" wires
reversed.
"Data In +" shorted to
ground.
"Data In +/ -" wires
shorted or open.
8200-0184-01, REV. E