o 4-channel balun receiver with power supply built-in: 1 piece
o passive video and power baluns: 4 pieces
o mounting bracket for rack mounting: 2 pieces
o coax cable for connection to monitor/DVR: 4 pieces.
5. Overview
Refer to the illustrations on page 2 of this manual.
Receiver Balun
1 on/off switch 5 video connector for camera (BNC)
2 video output to DVR or monitor (BNC) 6 UTP cable connector
3 video inputs from camera (UTP cable) 7 power connector for camera
4 power supply connector
Connection scheme
A CCTV camera (not included) D DVR / monitor (not included)
B balun E CV045 receiver
C UTP cable (CAT5E/6, not included)
6. Hardware installation
Refer to the illustrations on page 2 of this manual.
You can connect up to 4 cameras to the receiver.
1. Connect the balun’s video connector [5] to the video connector of the camera [A].
2. Connect the balun’s power connector [7] to the power connector of the camera [A].
3. Connect the baluns [B] to the receiver [E] using CAT5E/6 cables [C].
Note: you can use either T568A or T568B cables (see wiring scheme further in this manual). Make
sure that both ends use the same wiring.
Note: the maximum cable length is 250m. For voltage drops over long distances, refer to the table
further in this manual.
4. Connect the receiver’s video output [2] of each camera to a monitor or DVR [D] using coax cables.
Use one cable per connected camera.
5. Plug the receiver’s power cord into the power supply connector [4].
6. Plug the power cord into a suitable mains socket (see Technical Specifications).
7. Switch on the rece iver using the on/off switch [1].
CV045
Voltage drop according to cable length (24AWG)
Transmission distance
Transmission voltage
(12VDC, 0.5A)
Transmission voltage
(12VDC, 1.0A)
Transmission voltage
(12VDC, 1.5A)
50 m / 160 ft 13.5 V 15.5 V 17.0 V
100 m / 320 ft 15.5 V 18.5 V 22.0 V
150 m / 500 ft 17.0 V 22.0 V 27.0 V
200 m / 650 ft 18.5 V 25.5 V 32.0 V
300 m / 1000 ft 22.0 V 32.0 V 42.0 V
7. Technical Specifications
camera connector video BNC male / push-pin ter m in al
monitor/DVR connector video BNC male / push-pin termina l
video impedance BNC 75 ohms unbalanced
maximum cable length 250m
operating temperature -20°C ~ 70°C
power supply 230VAC / 50Hz
dimensions 4-channe l balun receiver w ith power
weight 4-channel balu n r ec e iver with power
Use this device with original accessories only. Velleman nv cannot be held responsible in the
event of damage or injury resulted from (incorrect) use of this device.
For more info concerning this product and the latest version of this manual, please visit our
website www.velleman.eu.
The information in this manual is subject to change without prior notice.
No part of this manual may be copied, reproduced, translated or reduced to any electronic medium or
otherwise without the prior written consent of the copyright holder.