SFP-10G-SR-S – 10GBASE-SR SFP+ – S-Class – 400m OM4 MMF

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SFP-10G-SR-S Description

SFP-10G-SR-S is a Cisco S-Class 10GBASE-SR SFP+ optical transceiver for 10 Gigabit Ethernet links over 850 nm multimode fiber. It fits short-reach MMF uplink and interconnect designs that need an S-Class SR optic with dual LC/PC connectivity, 300 m reach on OM3 fiber, 400 m reach on OM4 or OM5 fiber, commercial 0 to 70 degrees C operation, beige bail latch identification, 1W maximum power consumption, and Cisco-documented no-FCoE support for this PID.

Quick Specs

Parameter

Specification

Product ID

SFP-10G-SR-S

Product type

10GBASE-SR S-Class SFP+ transceiver

Module class

S-Class

Ethernet protocol

10GBASE-SR

Fiber type

Multimode fiber

Nominal wavelength

850 nm

Reach on OM3 MMF

300 m

Reach on OM4 or OM5 MMF

400 m

Connector

Dual LC/PC

FCoE support

Not supported

Maximum power consumption

1W

Operating temperature class

Commercial 0 to 70 degrees C

Application Scenarios

S-Class 10G SR refreshes

Specify SFP-10G-SR-S when the approved Cisco materials call for an S-Class 10GBASE-SR SFP+ optic on short multimode fiber runs rather than the standard SR PID.

Ethernet-only multimode links

Keep this optic in 10G Ethernet designs where FCoE is outside the service requirement. Cisco marks the S-Class SR PID with no FCoE support, so converged storage traffic needs a separate approved optic review.

Controlled SR-family spares

Store SFP-10G-SR-S apart from SFP-10G-SR, SFP-10G-SR-X, and SFP-10G-SR-I. The shared 850 nm reach class does not remove the ordering difference between S-Class, extended-temperature, and industrial SR variants.

Product Comparison

Parameter

SFP-10G-SR-S

SFP-10G-SR

SFP-10G-SR-X

SFP-10G-SR-I

Product type

10GBASE-SR S-Class SFP+ transceiver

10GBASE-SR SFP+ transceiver

Extended-temperature multirate SR SFP+ transceiver

Industrial-temperature multirate SR SFP+ transceiver

Ordering description

10GBASE-SR SFP+ Module for MMF S-Class

10GBASE-SR SFP+ Module for MMF

Multirate 10GBASE-SR, 10GBASE-SW and OTU2e SFP+ Module for MMF, extended temperature range

Multirate 10GBASE-SR, 10GBASE-SW and OTU2/2e SFP+ Module for MMF, industrial temperature range

Module position

S-Class SR listing

Standard SR listing

Extended-temperature SR listing

Industrial SR listing

Supported media

MMF

MMF

MMF

MMF

Nominal wavelength

850 nm

850 nm

850 nm

850 nm

OM3 reach

300 m

300 m

300 m

300 m

OM4 or OM5 reach

400 m

400 m

400 m

400 m

Protocol scope

10GBASE-SR with no FCoE support

10GBASE-SR

10GBASE-SR, 10GBASE-SW and OTU2e

10GBASE-SR, 10GBASE-SW, OTU2/2e and CPRI options

Operating temperature class

Commercial

Commercial

Extended

Industrial

Maximum power consumption

1W

1W

1W

1W

Bail latch color

Beige

Beige

Beige

Beige

  • In a SFP-10G-SR-S vs SFP-10G-SR comparison, the cabling table shows the same 850 nm MMF SR reach, while SFP-10G-SR-S is the S-Class PID and carries Cisco’s no-FCoE support note.
  • The SFP-10G-SR-S difference from SFP-10G-SR-X is the operating and protocol scope: SR-S is commercial-temperature S-Class SR, while SR-X is Cisco’s extended-temperature multirate SR/SW/OTU2e listing.
  • SFP-10G-SR-S vs SFP-10G-SR-I is a comparison between Cisco’s commercial S-Class SR optic and the industrial-temperature SR listing with CPRI options.
  • For which model to choose, align the order with the required PID class, FCoE need, temperature class, multimode cable grade, and Cisco host-compatibility result.

Selection Guide

1. Lock the order to the SR-S identifier

The quote evidence and receiving label should show the exact SFP-10G-SR-S PID. If the request only says 10G SR, clarify whether the standard SR optic or the S-Class SR-S line is intended before purchase.

2. Keep storage convergence out of scope

Cisco’s no-FCoE statement is a hard filter for this SKU. A link carrying FCoE should be reviewed against another Cisco-approved optic instead of treating SR-S as a general SR substitute.

3. Use cable reach as the second filter

Approve the multimode path only when the planned distance fits Cisco’s SR table: 300 m on OM3 or 400 m on OM4 or OM5. A longer route needs a different optical design.

4. Separate environmental variants during review

Extended-temperature requirements point to SFP-10G-SR-X, while industrial or CPRI requirements point to SFP-10G-SR-I. Keep SFP-10G-SR-S as the commercial S-Class SR option after Cisco host support is verified.

Ordering Checklist

Check Item

What to Confirm

Procurement Risk Controlled

FCoE design check

The planned link is 10GBASE-SR Ethernet without an FCoE requirement

Keeps the order inside Cisco’s S-Class SR support boundary

Device support evidence

Cisco compatibility documentation or a Cisco platform release note covers the target host and software

Avoids approving the optic only because the port is physically SFP+

MMF distance plan

The fiber run uses supported multimode fiber and stays within the OM3 300 m or OM4/OM5 400 m limits

Prevents an SR optic from being used on an unsupported cable grade or distance

LC patch-cord polish

Patch cords use LC/PC or LC/UPC connectors and exclude APC ends

Reduces connector mismatch risk during installation testing

Commercial-temperature fit

Site temperature requirements fit Cisco’s commercial operating class

Keeps extended-temperature or industrial requirements from being filled with SR-S

Specifications

Parameter Specification Parameter Specification
Product ID SFP-10G-SR-S Product type 10GBASE-SR S-Class SFP+ transceiver
Ordering description 10GBASE-SR SFP+ Module for MMF S-Class Module class S-Class
Ethernet protocol 10GBASE-SR FCoE support Not supported
Fiber type Multimode fiber Nominal wavelength 850 nm
Transmit and receive wavelength range 840 to 860 nm Connector Dual LC/PC
FDDI-grade MMF reach 26 m with 62.5 micron 160 MHz*km fiber OM1 MMF reach 33 m with 62.5 micron 200 MHz*km fiber
400 MHz*km MMF reach 66 m with 50.0 micron fiber OM2 MMF reach 82 m with 50.0 micron 500 MHz*km fiber
OM3 MMF reach 300 m with 50.0 micron 2000 MHz*km fiber OM4 MMF reach 400 m with 50.0 micron 4700 MHz*km fiber
OM5 MMF reach 400 m with 50.0 micron 4700 MHz*km fiber Minimum cabling distance 2 m
Transmit power range -1.2 to -7.3 dBm Receive power range -1.0 to -9.9 dBm
Bail latch color Beige Maximum power consumption 1W
Operating temperature class Commercial Commercial operating temperature 0 to 70 degrees C
Storage temperature range -40 to 85 degrees C SFP+ connector dimensions 8.5 x 13.4 x 56.5 mm
SFP+ connector weight 75 grams or less C9200L support example C9200L Multigigabit Ethernet 10G uplink release notes list SFP-10G-SR-S
Platform support boundary Cisco compatibility documentation required for exact host and software support Standard warranty 5 years

Get More Information

Need pricing, stock, or shipping details for the SFP-10G-SR-S ? Layer23-Switch can help you check current availability, lead time, and delivery options for this. Send us the part number, quantity, and destination country via live chat or email sales@layer23-switch.com for a fast quotation.

Quality Certifications

Customer Reviews

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    Ronald Miller
    Posted on 26/01/2026
    Verified Buyer
    5.0

    Quality felt premium. No corners cut anywhere in the product or packaging.

    Barbara Yang
    Posted on 08/01/2026
    Verified Buyer
    5.0

    If you want a vendor that consistently delivers, Layer23 is it.

    Charles Suzuki
    Posted on 15/12/2025
    Verified Buyer
    5.0

    We have a standing order arrangement with Layer23. It works perfectly.

    Procurement Manager - Emily R.
    Posted on 11/09/2024
    Verified Buyer
    5.0

    Pricing is very fair for genuine units. Shipping was quick and the invoice detail was exactly what our finance department needed.

    NetOps Department
    Posted on 01/07/2024
    Verified Buyer
    5.0

    Genuine Cisco optics. Essential for our strict compliance requirements. Appreciate the fast turnaround on the quote.

Questions & Answers

  • What is Cisco SFP-10G-SR-S used for?

    Cisco SFP-10G-SR-S is a 10GBASE-SR S-Class SFP+ optical module for short-reach 10G Ethernet over multimode fiber. It is used for 850 nm MMF links with LC connectors.
  • How far can SFP-10G-SR-S reach?

    SFP-10G-SR-S supports up to 26 m on FDDI-grade MMF, up to 300 m on OM3, and up to 400 m on OM4. The actual link must stay within the fiber loss budget.
  • Is SFP-10G-SR-S single-mode or multimode?

    SFP-10G-SR-S is a multimode fiber optic module. It should not be used for single-mode 10 km links; SFP-10G-LR-S is the S-Class option for that requirement.
  • How is SFP-10G-SR-S different from SFP-10G-SR?

    SFP-10G-SR-S is the S-Class 10GBASE-SR 850 nm MMF SKU and does not support FCoE. SFP-10G-SR is the standard 10GBASE-SR SKU for non-S-Class requirements.
  • Does SFP-10G-SR-S support FCoE?

    No. SFP-10G-SR-S does not support FCoE. Its intended role is 10GBASE-SR Ethernet over 850 nm multimode fiber with duplex LC cabling.
  • What connector does SFP-10G-SR-S use?

    SFP-10G-SR-S uses a duplex LC optical connection through an SFP+ port. Match it with compatible multimode patch cords and a peer 10G SR optic.
  • Can SFP-10G-SR-S connect to SFP-10G-SR?

    Yes. SFP-10G-SR-S and SFP-10G-SR are both 10GBASE-SR 850 nm multimode optics, but the switch platform must support the exact PID on each side.
  • When is SFP-10G-SR-S the wrong SKU?

    SFP-10G-SR-S is the wrong SKU for single-mode fiber, longer-than-SR reach, copper RJ-45 links, or Fibre Channel over Ethernet designs. Its correct role is 10GBASE-SR over 850 nm multimode fiber.

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  • SFP-10G-SR-S Datasheet