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Wiring Diagram for Serial Communication Terminal
Maximum total cable distance for
communication over 24-gauge wire is 1,219 m.
Sony recommends using shielded twisted pairs
cable that meets or exceeds the basic
requirements for the communication standard.
To I/O connector
Unit at the end of the wire
Set pin 13 to ON. For the
settings on the other pins of
the FUNCTION SWITCH,
see qa FUNCTION
SWITCH in "Location and
Function of Part".
The number of connectable
cameras
RS-422 communication standard: Up to 10
cameras
RS-485 communication standard: Up to 32
cameras*
* Up to 31 cameras can be connected with RS-485
(half-duplex) communication standard. The number
of connectable cameras may vary depending on the
keypad controllers. For details, refer to the
instruction manual supplied with your keypad
controller.
To I/O connector
To I/O connector
2nd unit
Set pin 13 to OFF. For the settings on the
other pins of the FUNCTION SWITCH,
see qa FUNCTION SWITCH in
"Location and Function of Part".
Connections to the
serial communication
terminal in the keypad
controller.
To Rx+ terminal *
To Rx- terminal *
To Tx+ terminal
To Tx- terminal
* NO connection to the I/O
connector pin 9 and 10 of
the camera is required
either when the keypad
controller does not have
Rx+ and Rx- terminals or
when more than one
camera is connected with
the RS-422
1st unit
communication standard.
Connections and Setup
19
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