Ruijie RG-NIS2100-4GT2SFP-HP 6-Port Cloud Managed Industrial Gigabit PoE++ Switch with 2 SFP Uplinks
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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Ruijie RG-NIS2100-4GT2SFP-HP 6-Port Cloud Managed Industrial Gigabit PoE++ Switch with 2 SFP Uplinks
The Ruijie RG-NIS2100-4GT2SFP-HP is a professional industrial-grade Layer 2 cloud managed switch engineered for demanding applications such as IP surveillance, industrial automation, transportation systems and outdoor networking. Built with a robust aluminium housing and IP40 protection, it delivers reliable operation in harsh environments with an operating temperature range of -40°C to +75°C. The switch provides 4 × 10/100/1000Mbps RJ45 ports, all supporting PoE, alongside 2 × Gigabit SFP uplink ports for long-distance fibre connectivity. Port 1 supports IEEE 802.3bt PoE++ with up to 90W output, whilst the remaining ports support IEEE 802.3af/at PoE+, making the switch ideal for powering high-performance PTZ cameras, wireless access points and industrial network devices. A maximum 180W PoE budget ensures dependable power delivery across connected devices. Designed for critical infrastructure, the RG-NIS2100-4GT2SFP-HP includes 6kV surge protection, EMC Level 4 protection, ERPS ring network support, PoE Watchdog, port isolation, DHCP Snooping, VLAN support, loop prevention, and extended transmission mode of up to 200 metres on selected ports. These features help maintain network stability and maximise uptime in challenging environments.
KEY FEATURES
- 6-port Layer 2 cloud managed industrial switch
- 4 × Gigabit RJ45 PoE ports
- 2 × Gigabit SFP fibre uplink ports
- 1 × IEEE 802.3bt PoE++ port with up to 90W output
- 3 × IEEE 802.3af/at PoE+ ports
- Up to 180W total PoE power budget
- Industrial IP40-rated aluminium enclosure
- Operates from -40°C to +75°C
- 6kV surge protection and EMC Level 4 immunity
- ERPS ring protection for rapid network recovery
- Ruijie Cloud remote management
- Ruijie Reyee App support
- VLAN, DHCP Snooping and loop prevention
- PoE Watchdog for automatic powered device recovery
- Extended transmission mode up to 200 metres
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