AXIS TU8001 Ethernet Surge Protector (02315-001) – Gigabit PoE Surge Protection for Network Cameras & IP Devices
Unless selecting a vari-focal camera (with an adjustable lens) It is important to select the correct camera lens option for where the camera is to be positioned. A smaller lens will give you a wider angle but will be "zoomed out more", while a bigger lens will narrow the angle down and "zoom in more". See below to give you some idea on angles of Megapixel HD Cameras:
| Lens in mm | Approx Viewing Angle (degrees) | Ideal Distance (metres) | Typical usage/notes |
|---|---|---|---|
| 2.8 | 106 | <6 | For seeing as much of the immediate area as possible such as above a doorway/low down/garage soffits (edges can appear slightly warped/distorted) - clearly "zoomed out" |
| 3.6/4 | 83-90 | <12 | A great general purpose option giving great coverage still in the corner of a room or higher up on second floor soffits with less distortion - more of a natural "zoom" |
| 6 | 56 | 6-20 | Narrows down the angle and zooms in to look past the immediate area a little to gain more detail - down a driveway for example from higher up |
| 12 | 24 | 20+ | Zooms in significantly more to look at a gate, entrance or adjascent building |
| 16 | 19 | 24+ | As above but more so |
The amount of hard drive space you require is dictated by how many cameras, as well as their resolution and frame rate settings. Finally you can often make your storage space last a lot longer by enabling motion detected recording rather than continuous, especially if there are long periods of no activity.
|
Resolution (Megapixels) |
Days of storage provided by 1TB per camera (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (50% motion- 15 frames per second) |
|---|---|---|---|
| 1 | 44 | 11 | 36 |
| 2 | 22 | 5 | 18 |
| 3 | 17 | 4 | 14 |
| 4 | 11 | 3 | 9 |
| 5 | 9 | 2 | 8 |
| 6 | 8 | 2 | 6 |
| 8 (4K) | 5 | 1 | 4 |
| 12 | 4 | 0.5 | 3 |
As a rule of thumb we recommend a minimum of 2 Terabytes per 4 x 2-4MP HD cameras, as this should give you 2 weeks to a month with a few adjustments on motion detected recording. You may only require the full 25 frames per second on certain cameras if things are fast moving.
(All of our hard drives come fitted and are CCTV specific from one of the major brands)
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AXIS TU8001 Ethernet Surge Protector (02315-001) – Gigabit PoE Surge Protection for Network Cameras & IP Devices.
The AXIS TU8001 Ethernet Surge Protector helps reduce system downtime and maintenance costs by protecting connected surveillance equipment from damaging electrical surges transmitted through Ethernet cables. Designed for installation near a PoE switch or inside an outdoor electrical enclosure, it supports data transmission speeds up to 1 Gbps and high-power PoE devices compliant with IEEE 802.3bt up to 95W. The compact unit can be mounted on a wall or DIN rail and has been validated for seamless operation with AXIS network cameras and other PoE-enabled devices.
Key Features:
Protects connected devices from surges up to 10 kV
Supports Gigabit Ethernet (10/100/1000 Mbps)
Compatible with IEEE 802.3bt PoE up to 95W
Designed for AXIS network cameras and PoE devices
Reduces downtime caused by voltage spikes
Wall-mount or DIN-rail installation
Compact aluminium housing
Suitable for indoor use or installation inside enclosures
Tested and validated with AXIS devices
No external power supply required
3-year manufacturer warranty
Supports professional surveillance and networking installations
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