Connecting To The Rs485; Connecting To The Network Port; Connecting To The Usb Port; Figure 10 - Rs485 Connector - ADEMCO AHDR4 User Manual

Digital Video Recorder

Connecting to the RS485

Figure 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+, RX-, TX+ and TX- of the
control system to the TX+, TX-, RX+ and RX- (respectively) of the DVR. See Chapter 3 —
Configuration and the PTZ camera manufacture's manual for configuring the RS485
connection.

Connecting to the Network Port

Figure 11 — Network connector.
The DVR can be networked using the 10/100Mb Ethernet connector (Networkable Model
Only). Connect a Cat5 cable with an RJ-45 jack to the DVR connector. The DVR can be
networked with a computer for remote monitoring, searching, configuration and software
upgrades. See Chapter 3 — Configuration for configuring the Ethernet connections.

Connecting to the USB Port

Figure 12 — USB connector.
A USB port is provided to connect external hard disk drives for archiving video. Position the
external hard disk drive close enough to the DVR so that you can make the cable connections,
usually less than 6 feet. Use the USB cable provided with the hard disk drive to connect it to the
DVR. See Chapter 4 — Operation for information on archiving video to an external USB hard
disk drive.
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