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© 2014 United Technologies Corporation. Interlogix is part of UTC Building & Industrial Systems,  
a unit of United Technologies Corporation.  All rights reserved. 

 

P/N 1072795A-EN • ISS 23APR14 

 

TVC-7120-1 Camera Quick Start Guide 

 

Introduction 

This is the Quick Installation Guide for the TVC-7120-1-N(-P) 
camera. 

Refer to the user manual for complete instructions on installing 
and configuring this camera. 

User guidelines 

• 

Program the camera settings as much as possible before 
mounting the camera. Take appropriate safety precautions 
while completing programming after installation.  

• 

Always use a 12 VDC or 24 VAC UL listed Class 2 power 
supply to power the camera.  

• 

Do not use the camera over the temperature range 
specifications: -10°C to +60°C (14°F to 140°F). 

• 

If the light source where the camera is installed 
experiences rapid, wide- variations in lighting, the camera 
may not operate as intended.  

WARNING

: To reduce the risk of fire or electronic shock, do 

not expose the camera to rain or remove the cover. 

Description 

Figure 1: Camera description 

 

 

1. 

OSD control button 

2. Alarm 

output/Ground 

3. 

D/N switch (3.3 V) 

4. 

RS-485 ports  (D+, D-) 

5. Power 

LED 

6. 

12 VDC / 24 VAC dual power 

7. Video 

output 

8. Ground 
 

Installation 

Please check the package contents and make sure that the 
device in the package is in good condition and all the assembly 
parts are included. 

The camera is designed for both indoor and outdoor use. To 
use the camera outdoors, it must be installed in an approved 
outdoor housing. 

Note

: Before installing, please ensure that the mounting 

surface is strong enough to withstand three times the weight of 
the camera. If the wall is not strong enough, the camera may 
fall and cause serious damage.  

Install the camera 

1.  Attach the lens.  

Refer to the instructions that came with the lens you 
purchased for complete installation instructions of that 
lens.  

Screw the lens clockwise onto the lens mount of the 
camera. Take care to prevent dust from entering between 
the lens mount and the lens.   

For optimal performance, please use an auto iris lens. 
Plug the auto-iris drive cable to the 4-pin interface on the 
side of the camera. The 4 pins are: 1. Damper -; 2. 
; 3. Drive+; 4. Drive- 

 

 

 

2.  Connect the cables. 

Connect a coaxial cable from the camera’s BNC connector 
to a CCTV monitor or video recording device. Connect a 
12 VDC or 24 VAC power supply to the power input.  

 

 
 
Power supply 
 
 
 
 
Monitor 

Programming 

Once the camera hardware has been installed, it can then be 
configured. Program the camera by attaching a standard video 
monitor to the system. Press 

Enter

 on the camera’s menu 

control button to display the Setup menu (see Figure 2). 

OSD control button 

The on-screen display (OSD) control button (see Figure 1) is a 
five-direction joystick that lets you manually control the camera 
functions. Table 1 below lists the OSD control button functions 
and describes their use. 

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