1G SFP SR 850nm 550m Transceiver Module
1G SFP SR transceiver module, 850 nm, 550 m for OPNsense® appliances
Multimode module with 1 Gbps at 850 nm and a reach of up to 550 metres, for the SFP+ slots of the Deciso OPNsense appliances.
Deciso lists the module under the part number DECSFP1GSR850. It weighs 25.8 grams, the country of origin is stated as Thailand and the customs tariff number is 8517.6900. Deciso maintains a separate list of tested SFP modules up to 1 Gbps for these slots.
Fits these SFP+ slots
- DEC740, DEC750 and DEC850 desktop appliance – two SFP+ slots each
- DEC2752 and DEC2770 rack appliance – two SFP+ slots each
- DEC3852, DEC3862, DEC3920, DEC3940 and DEC3960 rack appliance – two SFP+ slots each
- DEC4240 and DEC4280 rack appliance – four SFP+ slots each
The DEC677, DEC697 and DEC2687 have no SFP slots. Deciso maintains a separate list of tested modules up to 1 Gbps for the SFP+ slots.
Technical data
| Data rate | 1 Gbps |
| Form factor | SFP |
| Medium | Multimode fibre |
| Wavelength | 850 nm |
| Reach | up to 550 m |
| Weight | 0.0258 kg |
| Customs tariff number | 8517.6900 |
| Country of origin | Thailand |
| Manufacturer | Deciso |
| Manufacturer part number | DECSFP1GSR850 |
Package contents
- One SFP transceiver module
Warranty and support
Deciso states the two-year carry-in and return warranty explicitly for its security appliances, not separately for accessories. The statutory warranty periods apply to this module. inett checks compatibility with your appliance and the remote end before you order.
Frequently asked questions
Which appliances does the module fit?
Every Deciso OPNsense appliance with an SFP+ slot: DEC740, DEC750, DEC850, DEC2752, DEC2770, DEC3852, DEC3862, DEC3920, DEC3940 and DEC3960 with two slots each, DEC4240 and DEC4280 with four each.
May 2.5 and 10 gigabit modules be mixed?
No. Deciso explicitly notes that 2.5/5 Gbps and 10 Gbps link speeds must not be mixed, because the hardware does not support it due to the different frequencies.
Do I have to use Deciso modules?
Deciso maintains a list of tested SFP modules up to 1 Gbps for these slots and advises selecting one of them. The compatibility list is part of the OPNsense documentation.
Not sure which module fits?
Tell us the appliance, the remote end and the cable run, and we will check it against the compatibility list.
Looking for a matching appliance?
Source of all data: Deciso product page and compatibility notes. Weight, customs tariff number and country of origin according to the manufacturer specification.