AXIS T8504-R Industrial PoE Switch
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 T8504-R Industrial 4-Port High PoE Gigabit Managed Switch
The AXIS T8504-R Industrial PoE Switch is a rugged 4-port managed Gigabit PoE switch designed for demanding surveillance and networking applications in harsh industrial environments. Engineered to deliver reliable network connectivity and high-power PoE, it is ideal for roadside installations, tunnels, transport infrastructure, factories and other challenging locations where standard network switches cannot operate reliably.
Featuring four High PoE Gigabit ports, the AXIS T8504-R delivers up to 60W per port with a total 240W PoE power budget, making it suitable for powering PTZ cameras, thermal cameras, radar devices and other high-performance PoE equipment. In addition to its PoE ports, the switch includes two RJ45 Gigabit uplink ports and two SFP fibre uplink ports, providing flexible network expansion and long-distance fibre connectivity.
Designed specifically for industrial applications, the T8504-R operates reliably in temperatures ranging from -40°C to +75°C and is built to withstand shock and vibration. Its compact rugged design makes it ideal for installation inside roadside cabinets, control cabinets and outdoor surveillance enclosures.
The switch also supports Rapid Ring technology for high network availability, ensuring minimal downtime by providing fast network recovery should a link fail. Dual DC power inputs provide redundant power for mission-critical installations, while NEMA TS-2 compliance ensures reliable operation in intelligent transportation systems (ITS) and traffic management applications.
Using the same intuitive management interface as the AXIS T85 PoE Network Switch Series, the T8504-R is simple to configure and monitor, offering advanced management features while remaining easy to deploy.
Key Features
- Industrial managed 4-port Gigabit PoE switch
- Four High PoE ports delivering up to 60W per port
- Total 240W PoE power budget
- Two RJ45 Gigabit uplink ports
- Two SFP fibre uplink ports
- Supports IEEE 802.3bt High PoE (60W)
- Rapid Ring technology for high network availability
- Dual DC power inputs for redundant power
- Industrial operating temperature: -40°C to +75°C
- Shock and vibration resistant design
- NEMA TS-2 compliant for transportation applications
- Intuitive web-based management interface
- Ideal for installation in surveillance and roadside cabinets
Ideal Applications
The AXIS T8504-R is ideal for:
- Highway and motorway surveillance
- Road tunnels
- Intelligent transport systems (ITS)
- Smart city infrastructure
- Industrial automation
- Railway monitoring
- Utility sites
- Outdoor surveillance cabinets
- Critical infrastructure
Designed for continuous operation in the harshest environments, the AXIS T8504-R Industrial PoE Switch delivers reliable high-power networking, fibre connectivity and advanced redundancy features, making it the ideal networking solution for mission-critical Axis surveillance installations.
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