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Appendix D -

The RS232 Interface

AXIS 2400/2401 Administration Manual

Appendix D - The RS232 Interface

As a complement to the information provided in Pan Tilt Settings, on page 32, this appendix

discusses the functionality of the RS232 serial interface and provides detailed instructions on how

to install a standalone Pan/Tilt device to the AXIS 2400/2401 Video Server.

Two 9 pin D-sub connectors provide the physical connection for the RS232 serial interface of the

AXIS 2400/2401. These connectors are provided for connecting accessory equipment; typically

standalone Pan/Tilt devices for remote positioning of connected video cameras.

The Physical Connector

A diagram of an RS232 connector and the AXIS 2400/2401 pin assignment table are detailed

below.

Notes: The pinout is different for each supported serial port

NC = Not connected

Camera Positioning

The AXIS 2400/2401 can control the position of connected cameras in three different ways:

• Pan Tilt Control using the Web Administration Tools: where, the position of the selected video

camera is controlled using a standard Web browser.

• Generic Control using CGI parameters: enter the positioning data as a CGI command directly

into your Web browser Location/Address (URL).

• Generic control using a TCP client: using a TCP client-application to control the position of

the chosen camera.

COM1

Function

COM2

Function

1 NC CD

2 - RXD - RXD

3 - TXD - TXD

4 RTS DTR

5 GND GND

6 DSR DSR

7 RTS RTS

8 NC CTS

9 NC RI

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Axis 24HUM Manuale delle Istruzioni Pagina 48