SFP-10G-LR-X – 10GBASE-LR SFP+ – Extended Temp – 10km SMF

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SFP-10G-LR-X Description

The SFP-10G-LR-X is a Cisco extended-temperature multirate 10GBASE-LR SFP+ transceiver for 10G links over single-mode fiber at sites that run beyond commercial temperature limits. The module reaches 10 km over G.652 fiber at 1310 nm through dual LC connectors, operates from -5 to 85°C and draws up to 1W. The module carries 10GBASE-LR, 10GBASE-LW and OTU2e signals, and its 10 km reach applies to single-mode fiber only.

Quick Specs

Parameter

Specification

Product ID

SFP-10G-LR-X

Product type

Extended-temperature 10GBASE-LR SFP+ transceiver

Protocol scope

10GBASE-LR, 10GBASE-LW, OTU2/OTU2e

Fiber type

Single-mode fiber

SMF reference

ITU-T G.652

Nominal wavelength

1310 nm

Operating distance

10 km

Connector type

Dual LC/PC

Bail latch color

Blue

Maximum power consumption

1W

Operating temperature class

Extended -5 to 85°C

Application Scenarios

Outdoor Cabinet Fiber Uplinks

In an unconditioned roadside or rooftop cabinet, the module links a 10G SFP+ switch port to a building 10 km away over single-mode fiber while tolerating a temperature range of -5 to 85°C.

Multirate Transport Handoffs

At a service demarcation, the module carries 10GBASE-LR, 10GBASE-LW or OTU2e signals from a host SFP+ port onto a G.652 single-mode span.

Product Comparison

Parameter

SFP-10G-LR-X

SFP-10G-LR

SFP-10G-LR-S

SFP-10G-LR10-I

Protocol scope

10GBASE-LR, 10GBASE-LW and OTU2e

10GBASE-LR

10GBASE-LR, no FCoE support (S-Class)

10GBASE-LR and CPRI

Nominal wavelength

1310 nm

1310 nm

1310 nm

1310 nm

Operating distance

10 km over G.652 SMF

10 km over G.652 SMF

10 km over G.652 SMF

10 km over G.652 SMF

Operating temperature

Extended, -5 to 85°C

Commercial, 0 to 70°C

Commercial, 0 to 70°C

Industrial

Maximum power consumption

1W

1W

1W

1W

Bail latch color

Blue

Blue

Blue

Blue

SFP-10G-LR-X is the extended-temperature, multirate version of the 10 km 1310 nm LR optic: it covers 10GBASE-LR, 10GBASE-LW and OTU2e over G.652 single-mode fiber and is rated -5 to 85 degrees C, while SFP-10G-LR supports 10GBASE-LR only at the commercial 0 to 70 degrees C range. Ethernet-only links in commercial-temperature locations can use SFP-10G-LR, because reach, wavelength, 1W power and the blue latch are identical. SFP-10G-LR-S is the S-Class listing, and Cisco’s S-Class note excludes FCoE, so FCoE links need SFP-10G-LR-X or SFP-10G-LR. Sites that need an industrial temperature class or CPRI move to SFP-10G-LR10-I.

Ordering Checklist

  • Host support: Confirm the target platform and port are listed for this optic in Cisco’s Transceiver Module Group Compatibility Matrix (tmgmatrix.cisco.com). A host can reject an optic that fits the cage but is not on its supported list.
  • Fiber type and length: Use G.652 single-mode fiber at 1310 nm with the link inside 10 km. Multimode plant or longer spans need a different optic.

Specifications

Parameter Specification Parameter Specification
Product ID SFP-10G-LR-X Product type Extended-temperature 10GBASE-LR SFP+ transceiver
Cisco ordering description Multirate 10GBASE-LR, 10GBASE-LW and OTU2e SFP+ Module for SMF, extended temperature range Protocol scope 10GBASE-LR, 10GBASE-LW and OTU2/OTU2e
Fiber type Single-mode fiber SMF reference ITU-T G.652
Nominal wavelength 1310 nm Transmit wavelength range 1260 to 1355 nm
Receive wavelength range 1260 to 1355 nm Operating distance 10 km
Minimum cabling distance 2 m Transmit power range +0.5 to -8.2 dBm
Receive power range +0.5 to -14.4 dBm Connector type Dual LC/PC
Patch-cord rule PC or UPC connectors supported Bail latch color Blue
Maximum power consumption 1W Operating temperature class Extended
Extended operating temperature -5 to 85°C Storage temperature -40 to 85°C
SFP+ connector dimensions 8.5 x 13.4 x 56.5 mm SFP+ connector weight 75 grams or less
Platform support boundary Cisco compatibility documentation required for exact host and software support Installation note product number SFP-10G-LR-X=
Cisco support example Catalyst 9800-80 supported SFP+ transceiver table lists SFP-10G-LR-X Cisco platform note Not every listed Cisco platform supports every module

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Need pricing, stock, or shipping details for the SFP-10G-LR-X ? 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 [email protected] for a fast quotation.

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    Hiroshi Cox
    Posted on 26/03/2026
    Verified Buyer
    4.0

    Our procurement team has muscle memory for Layer23 now. Minor delay in delivery, but everything was in order.

    Anthony Brooks
    Posted on 19/02/2026
    Verified Buyer
    5.0

    Even with holiday delays in the carrier network, shipment arrived on time.

    Elizabeth Gray
    Posted on 01/12/2025
    Verified Buyer
    5.0

    They asked clarifying questions instead of just defaulting to the most expensive option.

    Elena V.
    Posted on 18/11/2024
    Verified Buyer
    5.0

    Good technical support when we asked about compatibility with non-Cisco patch panels. Very knowledgeable.

    Supply Chain Partners
    Posted on 01/08/2024
    Verified Buyer
    5.0

    Great communication regarding the lead time. Item arrived earlier than the estimate. Good service.

Questions & Answers

  • What transmit and receive power ranges does SFP-10G-LR-X specify?

    SFP-10G-LR-X transmits at +0.5 to -8.2 dBm and receives at +0.5 to -14.4 dBm. The receive range sets the loss budget for the single-mode span: the signal reaching the module must stay above -14.4 dBm, so patch panels and splices count against the 10 km reach.
  • What minimum cabling distance and patch-cord connector type apply to SFP-10G-LR-X?

    SFP-10G-LR-X needs at least 2 m of cabling between ends. The patch cords can use PC or UPC connectors on the dual LC interface. Shorter jumpers than 2 m fall outside the specified operating distance.
  • What transmit and receive wavelength window does SFP-10G-LR-X use?

    SFP-10G-LR-X transmits and receives within a 1260 to 1355 nm window around its 1310 nm nominal wavelength. Both ends of the link must use optics that fall inside this window, and the span must be G.652 single-mode fiber.
  • Can SFP-10G-LR-X run over multimode fiber?

    No. SFP-10G-LR-X works on single-mode fiber only, using G.652 fiber at 1310 nm with dual LC connectors and a 10 km limit. A multimode plant cannot carry the 10GBASE-LR, 10GBASE-LW or OTU2e signals this module supports, so the link needs single-mode patching end to end.

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  • SFP-10G-LR-X Datasheet