Notes from the install side

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In this section

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A row of a network switch's ports with two blue patch cables connected, inside an equipment rack.

PoE power budget for security cameras

Two dome security cameras mounted on a building’s exterior corner, with one positioned on the wall and the other beneath the overhang to monitor different areas.

Fisheye or multi-sensor: choosing by what the view has to prove

Hard drive bays inside an open video recorder chassis, with data and power leads run to each drive.

NVR, VMS or DVR: what is actually recording your cameras

Two outdoor bullet security cameras mounted in opposite directions on a metal pole, with protective brackets, conduit, cabling, and a central junction box for wide-area surveillance.

What ONVIF does and does not guarantee

An open video surveillance recorder showing multiple hard drives installed in drive bays, with SATA data cables and multicolored power cables connected inside the storage system.

How long do security cameras keep footage?

01

Walks the statute’s actual tests and tells you what to put to your manufacturer in writing.

02

How many burglary alarm calls SDPD is dispatched to, and how few end in a report or an arrest.

03

Whether your switch has the power budget for what you want to add.

04

Whether a proposed run fits the 100 metre channel, patch cords included.

05

Checks a dispensary system against California title 4, section 15044.

01

Section 889 end to end: what it prohibits, who it binds, and how to verify a camera.

02

The statute itself: Part A, Part B, the named entities and when each part took effect.

03

Why door stations get missed in Section 889 audits, and how to specify compliant entry.

04

How the Trade Agreements Act differs from Section 889, and why a camera can pass one and fail the other.

01

SDPD commercial and residential burglary, 2020 to 2025, with district rankings and clearance rates.

02

How many burglary alarm calls SDPD is dispatched to, and how few end in a report or an arrest.

03

What the NRF publishes on shrink, what it stopped publishing, and San Diego recorded shoplifting.

A row of a network switch's ports with two blue patch cables connected, inside an equipment rack.

PoE power budget for security cameras

Two dome security cameras mounted on a building’s exterior corner, with one positioned on the wall and the other beneath the overhang to monitor different areas.

Fisheye or multi-sensor: choosing by what the view has to prove

Hard drive bays inside an open video recorder chassis, with data and power leads run to each drive.

NVR, VMS or DVR: what is actually recording your cameras

Two outdoor bullet security cameras mounted in opposite directions on a metal pole, with protective brackets, conduit, cabling, and a central junction box for wide-area surveillance.

What ONVIF does and does not guarantee

An open video surveillance recorder showing multiple hard drives installed in drive bays, with SATA data cables and multicolored power cables connected inside the storage system.

How long do security cameras keep footage?