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Figure 7: Harrier Evaluation Board connected to Harrier 3G-SDI Camera Interface Board
and the Harrier 10x AF-Zoom Camera.
Setting the Camera Serial (VISCA) Control Interface (DIP Switches)
The Harrier 3G-SDI Camera Interface Board supports VISCA serial communication over RS-232,
RS-485 and TTL communications interfaces (on the J3 connector). Select which one to use by
setting DIP switches SW2-1 and SW2-2 on the Harrier 3G-SDI Camera Interface Board.
SW2-2
SW2-1
OFF
OFF
OFF
ON
ON
OFF
ON
ON
Table 1: Harrier 3G-SDI Camera Interface Board DIP switch settings for selection of the
camera serial communications interface type.
September 2020
HARRIER 3G-SDI CAMERA INTERFACE BOARD
COMMUNICATIONS MODE
RS-232 VISCA communications on J3 pins 1 and 2.
RS-485 VISCA communications with RS-485 termination disabled
on J3 pins 1 and 2.
RS-485 VISCA communications with RS-485 termination enabled
on J3 pins 1 and 2.
TTL VISCA communications on J3 pins 8 and 9.
Transceivers connected to J3 pins 1 and 2 will be shut down.
Applications using this configuration should leave J3 pins 1 and 2
unconnected.
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Version 1.2.AS - September 2020
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