Ruijie RG-NIS2100-8GT2SFP-HP 10-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 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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Ruijie RG-NIS2100-8GT2SFP-HP 10-Port Cloud Managed Industrial Gigabit PoE++ Switch with 2 SFP Uplinks
The Ruijie RG-NIS2100-8GT2SFP-HP is a high-performance industrial Layer 2 cloud managed switch designed to deliver reliable Gigabit networking in demanding environments. Engineered for industrial automation, surveillance systems, transportation infrastructure and outdoor deployments, it features a robust IP40-rated aluminium enclosure and operates reliably in temperatures ranging from -40°C to +75°C. The switch is equipped with 8 × 10/100/1000Mbps Gigabit RJ45 ports and 2 × Gigabit SFP uplink ports for long-distance fibre connectivity. Port 1 supports IEEE 802.3bt PoE++, delivering up to 90W of power for high-demand devices such as PTZ cameras and Wi-Fi 6 access points, whilst the remaining ports support IEEE 802.3af/at PoE+. With an adjustable PoE budget of up to 300W, the switch can power multiple devices simultaneously without compromising performance. Designed for mission-critical applications, the RG-NIS2100-8GT2SFP-HP incorporates advanced networking features including ERPS ring protection, VLAN, DHCP Snooping, loop prevention, PoE Watchdog, port isolation, and extended PoE transmission for selected ports. These capabilities ensure maximum network stability, rapid recovery and simplified maintenance in harsh operating environments.
KEY FEATURES
- 10-port Layer 2 cloud managed industrial switch
- 8 × Gigabit RJ45 PoE ports
- 2 × Gigabit SFP fibre uplink ports
- 1 × IEEE 802.3bt PoE++ port with up to 90W output
- 7 × IEEE 802.3af/at PoE+ ports
- Up to 300W adjustable 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
- VLAN, DHCP Snooping and loop prevention
- PoE Watchdog for automatic powered device recovery
- Extended PoE transmission mode on selected ports
- Ruijie Cloud, web and Reyee App management
- DIN rail and wall mounting options
- Fanless design for silent, maintenance-free operation
- Ideal for industrial automation, CCTV, transportation and outdoor networking.
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