AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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A fast-Ethernet media converter linking one RJ-45 port to one ST duplex fibre port over 12.43 miles
This unit bridges a 100Base-TX copper segment and a 100Base-LX single-mode fibre link, extending the connection up to 12.43 miles. It provides one RJ-45 port and one ST duplex port in a compact enclosure. The module is designed for commercial networks that need longer reach than standard copper allows.
Teams that require gigabit or multi-gigabit throughput should look elsewhere, as the device operates at fast ethernet speeds only. It also does not suit installations that demand SFP modularity or dual-fibre redundancy beyond the single ST duplex interface.
The maximum distance of 12.43 miles over single-mode fibre is the decisive figure; if your link is shorter and multimode fibre is preferred, a different converter will be more appropriate.
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| Product | |
|---|---|
| Brand name | Perle |
| Model name | S-100-S2ST20 |
| Connectivity | |
| Maximum range | 12.43 Mile |
| Ports & slots | |
| Port count | 1 x RJ-45 Network 1 x ST Duplex Network |
| Size & build | |
| Product dimensions | 1.0' Height × 3.1' Width × 4.7' Depth |
| Shipping weight | 0.54 kg |
| Package size | 119 × 79 × 25 mm |
Connect the RJ-45 port to the copper network using a standard Cat5e or better patch cable, then link the ST duplex port to the fiber run with a matching 100Base-LX duplex patch cord; the converter is unmanaged so it powers up and passes traffic immediately once both sides have link lights.
The unit has no moving parts or user-serviceable modules; plan only to inspect the ST connectors for dust and replace the fiber patch cords if they become damaged or if link errors appear on the 100Base-LX segment.
The converter is rated for 12.43 Mile on 100Base-LX fiber, so the optical link budget is the first hard boundary; the copper side is limited to the standard 100 m for 100Base-TX.
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