2 baudrate settings, 3 protocol settings, 3 alarm in/out connections – LT Security PTZ217X12 Installation Manual User Manual
Page 19: Baudrate settings, Protocol settings, Alarm in/out connections
Installation Manual of 4-inch Speed Dome
10
1.2.2 Baudrate Settings
The number 6 and 7 DIP switches are used for setting the baudrate of the speed dome. The
baudrate can be 2400bps, 4800bps, 9600bps and 19200bps. The baudrate will be set as 2400bps by
default if it is out of this range. Refer to the following table:
Table 1-3 Set the Baudrate of the Dome
Switch Number
Baudrate
6
7
2400
OFF OFF
4800
ON
OFF
9600
OFF
ON
19200
ON
ON
1.2.3 Protocol Settings
The number 8 and 9 DIP switches are used for setting the parity and Manchester Code protocol of
the dome. Refer to the following table:
Table 1-4 Set the Protocol of the Dome
8
9
Bosch
Manchester
OFF
ON
AD Manchester
ON
ON
Protocol
Self-adaptive
Others
1.3 Alarm In/Out Connections
The analog speed dome can be connected with 2 alarm inputs (0~12VDC) and 1 alarm output. The
network speed dome can be connected with 1 alarm inputs (0~12VDC) and 1 alarm output.
Refer to the following diagrams for the alarm output connections:
JQC-3FG
Relay
12VDC
GND
OUT
L
N
～220V AC
Relay Output
Dome
(10 A 250VAC)
Diagram (left)
Diagram(right)
30mA
OUT(n)
OUT(n)
+
-
DC
DC Load
Relay Output
Dome
OUT(n)
OUT(n)
Figure 1-14 Alarm Out Connections