AXIS TU8003 90 W Connectivity Midspan (02027-003) - High Power PoE++ Injector with SFP, Audio & Smart Restart
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, frame rate settings, and whether you have H.265 encoding enabled or not to save space (We advise turning it on to double the capacity shown below with ease).
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 (to perhaps double or more these figures again).
|
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 2 Terabytes for a 4 x 4/5MP HD camera setup, as this should give you approx 2 weeks using H.265 @ 20fps and that is on continuous, not motion-detected recording.
(You may only require the full 25 frames per second on certain cameras if things are fast-moving - ie above a till)
You can also use the Hikvision online calculator to work out what works best for you specifically: https://tools.hikvision.com/ca...
(All of our hard drives come fitted and are CCTV-specific from one of the major brands)
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AXIS TU8003 90 W Connectivity Midspan (02027-003) – High Power PoE++ Injector with SFP, Audio & Smart Restart.
The AXIS TU8003 90 W Connectivity Midspan is a professional-grade Power over Ethernet injector that delivers up to 90 watts of power to high-performance AXIS devices such as PTZ cameras and multi-function network systems. It supports IEEE 802.3af/at/bt (PoE, PoE+, PoE++) standards and includes advanced features like Smart Restart, which automatically reboots connected devices if they become unresponsive. The midspan also provides audio and I/O port extension (Portcast technology), allowing cameras to use external microphones and sensors as if they were built-in. Additionally, its integrated SFP slot enables fibre connectivity, making it suitable for long-distance and industrial surveillance installations.
Key Features:
Delivers up to 90 W PoE++ power output
Supports IEEE 802.3af / 802.3at / 802.3bt
Single-port Gigabit PoE injector
SFP slot for fibre network connectivity
Built-in audio and I/O port extension (Portcast)
Smart Restart for automatic device recovery
Remote power cycling (ON/OFF control)
Supports AXIS PTZ and high-power cameras
Gigabit Ethernet data pass-through (10/100/1000 Mbps)
Industrial-grade design for critical surveillance systems
Plug-and-play installation (no configuration required)
Suitable for long-distance and enterprise deployments
Enhances camera functionality without extra VMS licensing (Portcast feature)
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