PoE Wiring Mistakes That Cause Cameras to Drop Offline

Common mistakes

1. 1Switch PoE budget exceeded: document the issue, correct the design and update the as-built notes.
2. 2Cable run too long: document the issue, correct the design and update the as-built notes.
3. 3Water in RJ45 join: document the issue, correct the design and update the as-built notes.
4. 4Poor crimp/termination: document the issue, correct the design and update the as-built notes.
5. 5Wrong injector type: document the issue, correct the design and update the as-built notes.
6. 6Damaged patch lead: document the issue, correct the design and update the as-built notes.
7. 7Outdoor surge issue: document the issue, correct the design and update the as-built notes.
8. 8No midspan protection: document the issue, correct the design and update the as-built notes.

How to avoid them

• Start with a system design guide.
• Use a cable or device schedule template.
• Use the relevant calculator before choosing hardware.
• Check the exact manufacturer manual before termination.
• Update the as-built drawing after commissioning.

Useful next step

Use the diagram selector or search to find the correct diagram for the system you are planning.