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Cisco 10GBASE-CU SFP+ Passive Twinax Direct Attach Cable, 2 m
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SFP-10G-ER
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Cisco 10GBASE-ER SFP+ Transceiver Module, 1550 nm Single-Mode
MPNSFP-10G-ER
The Cisco SFP-10G-ER is a 10GBASE-ER SFP+ transceiver with a duplex LC connector for 1550 nm single-mode fiber, rated for 40 km; a 5 dB attenuator is needed for links under 20 km.
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Cisco 10GBASE-ER SFP+ Transceiver Module, 1550 nm Single-Mode
SFP-10G-ER · Refurbished · 1 year warranty
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Overview
Forty kilometers at 10GbE is the rating of the Cisco 10GBASE-ER SFP+ Transceiver Module, part number SFP-10G-ER. It operates at 1550 nm over single-mode fiber with a duplex LC connector.
One operating note matters: a 5 dB attenuator is needed for links under 20 km. Extended-reach optics send a strong signal, and on a short span the receiver can be overloaded. If your route is shorter than 20 km, plan for the attenuator, and do not skip it just because the link comes up.
Spans of this size connect separate sites across a metro area without extra transport hardware. The loss budget should be calculated from the real route, including splices and connectors. The 40 km figure is a rating, not a guarantee for every fiber path.
The module is an SFP+, so it fits the 10GbE cages on switches and server adapters. Cisco hosts may restrict which optics they accept, so verify support for your platform. The far end needs a compatible ER module.
The SFP-10G-ER is available new and refurbished, with a warranty choice of 1 year or 3 years. No used offer is listed. Send your quantity, span and platform to request pricing.
Specifications
| Manufacturer part number | SFP-10G-ER |
|---|---|
| Brand | Cisco |
| Media | Single-mode fiber |
| Ports | 1 |
| Maximum reach | 40,000 m |
| Connector | LC |
| Port speed | 10GbE |
| Reach note | 5 dB attenuator needed for links under 20 km |
| Form factor | SFP+ |
| Type | Transceiver |
| Wavelength | 1,550 nm |
Specifications from the manufacturer's datasheet ↗
FAQ
- What reach does the SFP-10G-ER support?
- 40 km over single-mode fiber.
- When is an attenuator needed?
- A 5 dB attenuator is needed for links under 20 km.
- What wavelength and connector?
- 1550 nm with a duplex LC connector.
- Is a used module offered?
- No. Only new and refurbished are listed.
- What warranty options come with the Cisco SFP-10G-ER?
- A choice of 1 year or 3 years.
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