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26 C4658M-C (6/10)
Figure 16. Connecting a Spectra Dome
Refer to Table C when installing the PTZ device. It lists the serial port settings that the unit supports.
NOTE: When using 115200 as the data rate, the following additional settings are used: the Data Bit is set to 8, Parity is
set to No Flow Control, and the stop bit is 1.
Table C. Serial Port Options and Defaults
Setting Options Default
Data rate
(bits per second)
2400, 4800, 9600, 38400, 115200 2400
Data bits 5, 6, 7, 8 8
Parity None, Odd, Even None
Stop bits 1, 2 1
NC
C NO A
1 A2 A3 A4
SPECTRA
RX–RX+ TX+TX–
COAXIAL CABLE
TRANSMIT
TO SPECTRA
RECEIVE
FROM SPECTRA