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 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 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 fiber 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 fiber 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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