Acti D21FA User Manual download pdf (Page 21)

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Hardware Manual

How to Connect a Serial Device (for E23B only)

The camera can be connected to a Pan-Tilt (PT) Scanner (Pan-Tilt Head) using the serial port

connector. This allows the zoom camera to do pan and tilt using the Pelco-D protocol. Most PT

scanners accept Pelco-D and Pelco-P protocol commands via RS-485 or RS-422 connection,

which are both supported by your camera.

Check the connection available on the PT scanner and connect it to your camera following the

procedures below.

1. Map the wires from the PT scanner to your camera using the supplied terminal block

according to one of the tables below.

Via RS-485 Connection

Terminal Block

Wire Mapping

Label

Camera Pin

PT Scanner Pin

RX-

RX+

GND

GROUND PIN

TX- (D-)

DATA-

TX+ (D+)

DATA+

Via RS-422 Connection

Terminal Block

Wire Mapping

Label

Camera Pin

PT Scanner Pin

RX-

RX -

TX -

RX+

RX +

TX +

GND

GROUND PIN

TX- (D-)

TX -

RX -

TX+ (D+)

TX +

RX +

NOTE: The pins of the PT Scanner may be labeled differently depending on the location or

country where the scanner is purchased. For example, some PT devices may have RS-485

DATA+ pins labeled as “TX+”, “RX+”, "A” or “485+”, etc. Refer to the scanner documentation

or contact the manufacturer to verify the corresponding pin labels and ensure proper wiring

connection.

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