Siemens SISTORE AX9 User Manual download pdf (Page 17)

Installation

2.9 Connecting to the RS485

Fig. 10 RS485 connector

The DVR can be controlled remotely by an external device or control system, such

as a control keyboard, using RS485 half-duplex serial communications signals.

The RS485 connector can also be used to control PTZ (pan, tilt, zoom) cameras.

Connect RX+ and TX+ of the control system to the RX+/TX+ of the DVR, and RX-

and TX- to the RX-/TX-. See Chapter 3 — Configuration and the PTZ camera

manufacture’s manual for configuring the RS485 connection.

2.10 Connecting to the RS232 Port

Fig. 11 RS232 connector

An RS232 port is provided to connect a remote control keyboard, or connect an

external modem for remote monitoring, configuration and software upgrades. Use

a modem cable with a DB-9 female connector to connect to the DVR.

See Chapter 3 — Configuration for configuring the modem.

NOTE:

The DVR is not supplied with a modem cable, and many modems are not supplied with cables. Make

certain you have the correct cable when purchasing the modem.

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Siemens SISTORE AX9 User Manual Page 17