CCTV can continue working during a power interruption only if the equipment required for the intended function remains powered and connected. A camera with backup power is not enough if the recorder stops, and a working recorder does not by itself keep an offsite monitoring connection available. Businesses should assess recording, remote viewing and access control as separate continuity requirements.
Follow the complete equipment chain
List the cameras, their power supplies, PoE switches where used, recorders, network switches, router and internet termination equipment. Add any on-site analytics equipment that the solution depends on. For integrated entrances, identify readers, controllers, gate or boom equipment and their supporting power separately. Confirm ownership: the network equipment may be maintained by a different supplier from the cameras.
Separate recording from remote monitoring
Ask two questions: can the site continue to record, and can the monitoring team still reach the relevant feeds? Depending on the design, local recording may continue while connectivity is unavailable. Conversely, a visible live stream does not prove the required recording is being retained. Your assessment should establish the expected behaviour of both functions during an interruption.
Specify the outcome before choosing backup equipment
Explain which areas must remain covered and the interruption duration you need the supplier to assess. Backup sizing depends on the connected load, equipment characteristics and battery condition; it should be confirmed by the responsible installer. Include maintenance and replacement responsibilities in the proposal rather than relying on a runtime quoted without a load assessment.
What should a planned test cover?
Coordinate a controlled test with the responsible site and technical teams. Check:
- Which cameras remain available.
- Whether new footage is recorded and can be played back.
- Whether remote viewing and the agreed alert workflow remain available.
- How access equipment behaves and which approved fallback procedure applies.
- Whether systems reconnect and resume normal operation afterwards.
Do not interrupt a critical entrance or surveillance system informally. The test needs an agreed plan and people available to manage exceptions.
Common questions to put in your quote request
Does the backup scope include the router and network equipment? Who checks battery condition? Is loss of connectivity reported? What happens when power returns? Which dependencies are outside the supplier’s scope? Written answers help you identify the difference between a camera installation and a complete continuity plan.
Assess the dependencies at your site
AI Monitor includes power and connectivity planning in relevant solution assessments. Explore access and backup planning and CCTV systems, or request a site assessment. Confirm the design and operating procedures for your particular equipment.
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