Bosch AutoDome Installation Manual Page 65

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AutoDome Modular Camera System Cable and Wire Standards | en 55
Bosch Security Systems, Inc. Installation Manual F01U010921 | 1.0 | 2006.10
RS232 (3-wire, full-duplex, single-ended, 50 ft. cable limit)
RS232 is a common, single-ended communication protocol used for control. Data transmis-
sion via 3-wires (TDX, RXD, common) is from one transmitter to one receiver at relatively slow
data rates up to 57.6 Kb and short distances up to 50 ft.
Fig. 4.4 Connections for RS232 Operation
Fig. 4.5 Position of CPU Switch for RS232 Operation
i
NOTICE! After making the wire connections for RS232 operation, reposition the slide switch
located on the CPU Module to the camera head inward and away from the LEDs.
Wire Type 3-wire (TXD, RXD, common)
Distance 50 ft (15 m)
Maximum Baud Rate 57.6 Kb
Voltage +/- 15 V
Termination 110
Slide Switch Toward LEDs (factory default)
(BIPHASE) C- 1
(BIPHASE) C+ 2
EARTH GROUND 3
RXD 4
TXD 5
SIGNAL GND 6
P105 / P106
Connector
AutoDome
Data In/Out
Head End
RS232
TXD
RXD
GND
Head End
RS232
P105/P106
Connector
SWITCH
LOCATION
CPU MODULE BOARD
RS232
LEDs
CPU Module Board
RS232
LEDs
Switch
Location
AutoDome
Data In/Out
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