VG4 Modular Camera Series
Cable and Wire Standards | en
93
Bosch Security Systems, Inc.
Installation Manual
F.01U.216.010 | 8.0 | 2011.02
RS232
(3-wire, full-duplex, single-ended, 50 ft. cable limit)
RS232 is a common, single-ended communication protocol used for control. Data
transmission via 3-wires (TDX, RXD, common) is from one transmitter to one receiver at
relatively slow baud rates (up to 57.6 Kbaud) and short distances up to 50 ft.
Figure 5.4
Connections for RS232 Operation
Figure 5.5
Position of CPU Switch for RS232 Operation
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
15 m (50 ft)
Maximum Baud Rate
57.6 Kb
Voltage
± 15 V
Termination
100
?
Slide Switch
Away from LEDs (factory default)
1
C- (Biphase)
7
AutoDome Data In/Out
2
C+ (Biphase)
8
P105/P106 Connector
3
Earth Ground
9
Head End RS232
4
RxD
10
TxD
5
TxD
11
RxD
6
Signal Ground
12
Ground
1
Switch Location
2
LEDs
3
RS232
4
CPU Module
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