AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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A 3.28 ft SFP28 copper cable with male connectors on both ends for 25 GbE links
This one metre passive copper cable carries 25 gigabit Ethernet between two SFP28 ports. It is built for short reach links inside a rack or between adjacent racks where fibre would add cost and complexity. Network engineers and data centre technicians use it for top of rack aggregation and server uplinks.
The copper assembly removes the need for separate transceivers and patch cords at this distance. The jump is worth it when the link stays within a single row and the budget favours a single low power component over a pair of optics and a fibre jumper.
The cable plugs directly into any standard SFP28 cage with no software configuration required. It frees up two transceiver slots and eliminates the handling of fragile fibre connectors while drawing minimal power from the host port.
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| Product | |
|---|---|
| Brand name | Cisco |
| Model name | SFP-H25G-CU1M= |
| Product color | Black |
| Connectivity | |
| Cable category | SFP28 |
| Ports & slots | |
| First connector | 1 x SFP28 Male Network |
| Second connector | 1 x SFP28 Male Network |
| Size & build | |
| Overall length | 3.28 ft (1 m) |
| Shipping weight | 1.45 kg |
| Package size | 356 × 257 × 57 mm |
Yes, both ends use an SFP28 male network connector that inserts directly into any standard SFP28 port without an adapter.
Align the connector with the port, push firmly until you hear a click, then tug gently to confirm the latch is locked.
Inspect the connectors and cable jacket during scheduled maintenance; replace if the latch is damaged, contacts are corroded, or the jacket shows kinks or cuts.
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