AXIS T8612 SFP Module LC.SX (5801-811) Multimode 850nm Gigabit Fiber Optic Transceiver (LC Connector)
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 T8612 SFP Module LC.SX (5801-811) Multimode 850nm Gigabit Fibre Optic Transceiver (LC Connector).
The AXIS T8612 SFP Module LC.SX (5801-811) is a professional-grade fibre optic transceiver designed for use in Axis network switches and surveillance systems. It enables reliable conversion of electrical Ethernet signals into optical signals, allowing high-speed data transmission over multimode fibre cables. Operating at 850nm wavelength, this module supports distances of up to 550 meters and is commonly used in CCTV backbone networks, enterprise switching systems, and industrial communication setups. It is built for industrial environments, ensuring stable performance and seamless integration with Axis networking equipment.
Key Features
AXIS original SFP LC.SX fibre module
Multimode fibre support (850nm wavelength)
Gigabit Ethernet data transmission
Transmission distance up to 550 meters
LC duplex connector interface
Industrial-grade design for harsh environments
Hot-swappable installation (no downtime required)
Link-loss feature for network redundancy
Compatible with Axis switches and systems
Stable and low-latency data transfer
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