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20 C1695M-B (11/08)
CONNECTING ANALOG CAMERAS
The DVR5100 automatically detects the video standard (PAL or NTSC) whenever you connect an analog camera. It accepts both color and
black-white analog video.
NOTES:
• Most cameras have a line lock feature. Enabling line lock on cameras may cause video distortion, especially if the power source is
susceptible to noise. If video from the camera appears distorted, disable the line lock on the camera as your first troubleshooting step.
• Make sure that the input level of all analog camera connections to the DVR5100 is set to 1 Vp-p.
To connect each analog video input:
1. Connect a coaxial cable to the camera.
2. Connect the coaxial cable to one of the video-in BNC connectors on the rear panel.
CONNECTING PAN/TILT/ZOOM POSITIONING SYSTEMS
The DVR5100 supports pan/tilt and zoom (PTZ) control through Coaxitron, Pelco P, and Pelco D protocols. Coaxitron is Pelco’s up-the-coax
technology. It requires only a coaxial cable. No other wiring or equipment is required. When the DVR5100 receives a camera control command, it
transmits that command up the coaxial cable to the PTZ device. Coaxitron is a single-direction protocol; the PTZ device cannot return any data to
the unit.
The Pelco D (4-wire) and Pelco P (2-wire) protocols use additional wiring to control the PTZ camera. When the DVR5100 receives a camera control
command, it transmits that command to the positioning device through the RS-422 serial interface.
If you are using Coaxitron, connect the PTZ device to one of the DVR5100 analog BNC inputs. The camera must be configured to support
Coaxitron. The input on the DVR5100 must be enabled for Coaxitron in the DVR5100 menus.
If you are using the Pelco D or Pelco P protocol, connect each camera to the DVR5100 using the pin assignments listed in Table D. The input must
be enabled for the DVR5100 serial protocol. Refer to Basic Camera Setup on page 43 for instructions on configuring cameras for PTZ control.
To enable Coaxitron operation, connect the PTZ device to the video input on the DVR5100.
Figure 14 shows the pin 1 location for the RJ-45 connector.
Figure 14. RJ-45 Connector
Table D. DVR5100 Pin Assignments
Pin Lead
1TX+
2TX-
3–6 Reserved
7 RX-
8 RX+
PIN 1