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Sensormatic
SENSORVISION SYSTEMS
WARNING:
and tilt can cause injury or
damage the dome during
servicing. To prevent such
movement, always disconnect
power/data connector P4 from
the RS422 interface board
1.
Disconnect all cables from the RS422
interface board.
2.
On the new board, set S1 DIP switches to
the same settings (if different) as the
board to be replaced.
Note: S1 factory settings are listed on
a label affixed to the chassis.
3.
Disconnect this board from the dome
CPU board by removing its two M3x10
mounting screws [a].
Note: If removing the RS422
interface board in order to
replace the dome CPU board,
go to page Q-33, then return to
this page and complete step 4.
4.
Noting its orientation, plug in the new
board and reinstall the two mounting screws.
Then reconnect cables in the following order:
• Video cable to J1,
• AC power out cable to P5,
• External sync, if used, to P1,
• Alarm out cable, if used, to P2,
• Alarm in cable, if used, to P3, and last
• AC power/data cable to P4 (see WARNING).
WARNING:
power/data cable will cause the
dome to immediately pan and
tilt.
Q-34
THE WORLD LEADER IN LOSS PREVENTION
Unexpected pan
Dome CPU Board
Connecting the AC
S1
P2
P3
[a]
5.
Reassemble the SpeedDome chassis
and recalibrate.
P5
P1
J1
P4
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