American Dynamics RAS917LS-1 Specifications download pdf (Page 40)

SPEEDDOME ULTRA VII CAMERA DOME INSTALLATION AND SERVICE GUIDE (8200-0184-01, REV. A1)

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Appendix A: Checking

Power and Data for Domes

Using the Standard Base

Check LEDs to verify that power and data are

reaching the dome (Figure 38).

IMPORTANT! To view the LEDs, you will need to

detach the dome from its base. To prevent damage

to the dome, hold the dome by its housing, not its

eyeball assembly.

a. If the power LED (CR33) on the I/O board

glows green, then ac power is connected.

b. Green CR2, red (CR3), and yellow (CR4)

LEDs surround the video connection and are

visible through opening. Check that the

following communication protocols are properly

wired by observing these LEDs.

Manchester: After approximately 20 seconds,

the three LEDs do the following:

Red Green Yellow Possible Cause

Blinking

Steady,

Blinking,

then

Steady

Steady,

then

Off

White (pin1) and

black (pin 2) correctly

wired.

When the network

has been detected.

When data for this

dome has been

received. Thereafter,

the yellow LED will

flicker when data is

sent to this dome.

Blinking

Steady,

then

Blinking

Steady

White (pin 1) or white

and black (pin 2)

wires not connected,

or white and black

wires shorted.

Figure 38. Cable connections (Manchester

requires separate cables for data and power)

9-pin plug

LEDs CR2,

CR3, and CR4

visible through

opening.

4-pin plug

1 2 ... 35 36 37 38 39 40 41

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American Dynamics RAS917LS-1 Specifications Page 40

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