How to Install a Wired Security Camera System: IP, PoE & CCTV Setup Guide

If you are still choosing equipment, start with our professional security camera systems or compare individual professional security cameras. The installation steps below apply to most professional wired systems, but always follow the instructions for the exact camera and recorder models you are using.

IP / PoE vs. HD-Over-Coax CCTV: What Is the Difference?

Both can produce excellent high-definition surveillance video, but the cabling and recorder architecture are different.

For most new professional installations, IP / PoE is a strong starting point because it simplifies wiring and supports scalable network-based recording. HD over coax remains an excellent option when a property already has usable coaxial cabling in place.

What You Need Before Installation

For installation components, see our security camera cables and connections.

Step 1: Plan Camera Placement Before Running Cable

Good installation starts with deciding exactly what each camera needs to accomplish. Common priority areas include:

• Main entrances and exits
• Driveways and parking areas
• Loading docks and rear doors
• Cash registers and transaction points
• Inventory and stock rooms
• Hallways and interior travel paths
• Building perimeter and gates

Avoid placing every camera simply at the highest possible point. A very high camera can provide a broad overview but may reduce useful facial or identification detail. Critical entrances often deserve their own dedicated view.

Step 2: Choose the Recorder Location

Place the NVR or DVR in a secure, dry, ventilated location that authorized users can access but that is not obvious to everyone entering the property. The recorder location also influences cable routing, network access and power protection.

Consider recorder capacity before installation begins. Leave room for future cameras if expansion is likely, and size hard-drive storage around the retention period you actually need. Browse security camera recorders or SureVision NVR recorders.

Step 3: Run the Camera Cables

For IP / PoE Cameras

Run Cat5e or Cat6 Ethernet cable from each camera location back to the NVR or PoE network equipment. In a compatible PoE design, the same Ethernet cable carries both network video and power.

Standard Ethernet design commonly uses a maximum channel length of about 100 meters (328 feet), though the practical limit depends on equipment, cable, installation conditions and any extended-PoE capabilities supported by the system. Do not assume every camera or recorder supports extended distance.

For HD-Over-Coax Cameras

Run suitable coaxial cable from each camera to the DVR. Camera power may travel over a separate conductor or a combined siamese-style cable, depending on the installation. Use connectors and power equipment appropriate for the camera and DVR.

Cable Routing Best Practices

• Label both ends of every cable.
• Protect outdoor terminations from moisture.
• Avoid crushing, sharply bending or overtightening cable.
• Keep low-voltage camera cable appropriately separated from electrical wiring where required.
• Use proper support instead of leaving cable loose across ceilings or equipment.
• Leave enough service slack for future maintenance.
• Follow applicable local electrical, fire and building-code requirements.

Step 4: Mount the Cameras

Secure cameras to an appropriate mounting surface using hardware suitable for the wall, ceiling, masonry, soffit or other structure. For outdoor installations, protect cable connections from weather and water intrusion. Junction boxes can help protect connections and create a cleaner installation when appropriate.

Do not permanently tighten the final camera angle until you have confirmed the live image. Small changes in angle can dramatically affect facial detail, glare, infrared reflection and blind spots.

Step 5: Connect Cameras to the NVR or DVR

IP / PoE System

Connect each Ethernet cable to the appropriate PoE port on the NVR or PoE network device. Connect the recorder to the local network if remote access or network services will be used.

HD-Over-Coax System

Connect each coax video cable to the corresponding DVR input and connect the camera power wiring to the appropriate power supply.

Before powering everything on, verify that connections are secure and that the power supplies and network equipment match the equipment requirements.

Step 6: Configure Recording, Time & Camera Names

Once video is visible, configure the recorder rather than leaving all settings at their defaults. Important setup items can include:

• Correct date, time and time zone
• Descriptive camera names
• 24/7 or event-based recording schedules
• Image settings for each scene
• Motion or intelligent-event settings on compatible equipment
• User accounts and permissions
• Hard-drive status and overwrite settings
• Strong unique passwords

For self-service help after installation, visit the Security Camera Technical Support & Setup Center.

Step 7: Set Up Remote Viewing

A professional wired system can record locally even without a required monthly cloud-storage subscription. Internet access is generally needed when you want to view the system remotely from outside the property.

Connect the recorder to the network, follow the setup process for the supported mobile or desktop software, and use properly secured user accounts. Available functions can include live viewing, recorded playback and event notifications depending on the camera, recorder and configuration.

Step 8: Test Every Camera Before Finishing the Installation

Testing is one of the most important parts of a professional installation. Check every camera during the actual conditions in which it will operate.

Our separate security camera installation mistakes and compliance guide covers placement, privacy, audio and testing considerations in more detail.

Common Wired Security Camera Installation Mistakes

DIY Installation vs. Hiring a Professional Installer

Many customers install their own camera systems, especially when cable routes are accessible and the property is relatively straightforward. A professional installer may be the better choice when cable must pass through difficult finished spaces, tall exterior locations, commercial ceilings, fire-rated assemblies or areas where local code requirements are more complex.

CCTV Security Pros supplies the equipment and technical support; installation services are not provided. If you hire a local installer, you can still choose the cameras and recorder that best fit your surveillance needs.

Frequently Asked Installation Questions