Specifications

SPEEDDOME ULTRA VI 8000-2830-03, REV. C
INSTALLATION AND SERVICE GUIDE 22 of 34
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 ship entire dome
to the GSC.
NO Go to step 7.
P7 Connector (AC in)
Pin Color Designation
1 Black 24 Vac
2 Red Ground
3 White 24 Vac
7. Observe yellow communication LED on I/O
board (Figure 21). Is yellow LED flashing?
YES Go to step 8.
NO Verify cable is properly attached by
referring to table in step 9, page 18. If OK,
replace I/O board or ship dome and base
to GSC.
Figure 21. I/O board switch and
LED locations
Comm. LED
Power LED
RS422 Test
Pushbutton
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
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 21) and observing nearby red and green
LEDs. These LEDs indicate the following:
Constant green,
Blinking red
Comm. line correctly
wired.
Constant green,
No red
"Data In -" shorted to
ground.
Constant red,
Blinking green
"Data In +/ -" wires
reversed.
Blinking red,
Green off
"Data In +" shorted to
ground.
Both LEDs off
"Data In +/ -" wires
shorted or open.
SW1