SFP-10G-ZR-S – 10GBASE-ZR SFP+ – S-Class – 80km SMF

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SFP-10G-ZR-S Description

SFP-10G-ZR-S is a Cisco S-Class 10GBASE-ZR SFP+ transceiver for 10 Gigabit Ethernet optical links over ITU-T G.652 single-mode fiber. It is built for long-reach 1550 nm SMF connections up to about 80 km using dual LC/PC connectors, with green bail latch identification, commercial 0 to 70 degrees C operation, 1.5W maximum power consumption, and no Fibre Channel over Ethernet support.

Quick Specs

Parameter

Specification

Product ID

SFP-10G-ZR-S

Product type

10GBASE-ZR S-Class SFP+ transceiver

Module class

S-Class

Ethernet protocol

10GBASE-ZR

Fiber type

Single-mode fiber

SMF reference

ITU-T G.652

Wavelength

1550 nm

Operating distance

Up to about 80 km

Connector

Dual LC/PC

FCoE support

Not supported

Maximum power consumption

1.5W

Operating temperature class

Commercial 0 to 70 degrees C

Application Scenarios

S-Class long-reach 10G orders

Specify SFP-10G-ZR-S when the approved Cisco bill of materials names an S-Class 10GBASE-ZR optic for a 1550 nm G.652 single-mode fiber run in the 80 km reach class.

Ethernet-only ZR services

Keep this SKU tied to 10G Ethernet links that do not require FCoE. Cisco marks the S-Class ZR PID with no FCoE support, so storage-converged traffic needs a different approved optics review.

Controlled ZR spare pools

Reserve SFP-10G-ZR-S separately from SFP-10G-ZR and SFP-10G-ZR-I. Receiving and maintenance teams should preserve the S-Class suffix, commercial temperature class, and Cisco host-support evidence instead of grouping all green-latch ZR optics together.

Product Comparison

Parameter

SFP-10G-ZR-S

SFP-10G-ZR

SFP-10G-ZR-I

SFP-10G-ER-S

Product type

10GBASE-ZR S-Class SFP+ transceiver

Multirate 10GBASE-ZR SFP+ transceiver

Industrial-temperature multirate 10GBASE-ZR SFP+ transceiver

10GBASE-ER S-Class SFP+ transceiver

Ordering description

10GBASE-ZR SFP+ Module for SMF S-Class

Multirate 10GBASE-ZR, 10GBASE-ZW and OTU2e SFP+ Module for SMF

Multirate 10GBASE-ZR, 10GBASE-ZW and OTU2e SFP+ Module for SMF

10GBASE-ER SFP+ Module for SMF S-Class

Module position

S-Class ZR listing

Standard multirate ZR listing

Industrial-temperature ZR listing

S-Class ER listing

Supported media

SMF

Standard SMF

Standard SMF

SMF

Fiber reference

G.652

G.652

G.652

G.652

Nominal wavelength

1550 nm

1550 nm

1550 nm

1550 nm

Documented reach

Up to about 80 km

Up to about 80 km

Up to 70 km

Up to 40 km

Protocol scope

10GBASE-ZR with no FCoE support

10GBASE-ZR, 10GBASE-ZW, OTU2/OTU2e

10GBASE-ZR, 10GBASE-ZW, OTU2/OTU2e

10GBASE-ER with no FCoE support

Operating temperature class

Commercial

Commercial

Industrial

Commercial

Maximum power consumption

1.5W

1.5W

2W

1.5W

Bail latch color

Green

Green

Green

Red

Short-span attenuation

15 dB below 5 km, 10 dB from 5 km to 25 km, 5 dB from 25 km to 45 km

15 dB below 5 km, 10 dB from 5 km to 25 km, 5 dB from 25 km to 45 km

Inline attenuator required below 40 km

5 dB attenuator below 20 km

  • In a SFP-10G-ZR-S vs SFP-10G-ZR comparison, both entries share the Cisco 1550 nm ZR distance class, G.652 SMF medium, green latch, commercial temperature class, and 1.5W power rating; SFP-10G-ZR-S is the S-Class 10GBASE-ZR order line with no FCoE support.
  • The SFP-10G-ZR-S difference from SFP-10G-ZR-I is temperature and reach, because SFP-10G-ZR-I is the industrial-temperature ZR listing with a 70 km reach statement and 2W power rating.
  • SFP-10G-ZR-S vs SFP-10G-ER-S is a reach-class comparison: the current SKU is the S-Class ZR option at up to about 80 km, while SFP-10G-ER-S is the S-Class ER option at up to 40 km.
  • For which model to choose, match the order to S-Class requirement, service protocol, temperature class, attenuation plan, and Cisco compatibility result for the target host.

Selection Guide

1. Use it only for S-Class ZR demand

Select SFP-10G-ZR-S when the quote or replacement plan specifically calls for Cisco’s S-Class 10GBASE-ZR SFP+ PID on 1550 nm G.652 single-mode fiber.

2. Keep multirate requirements separate

Use SFP-10G-ZR instead when the design depends on Cisco’s multirate ZR, ZW, or OTU2/OTU2e ordering description rather than the S-Class ZR line.

3. Move to industrial ZR for temperature needs

Choose SFP-10G-ZR-I only when the site requires Cisco’s industrial-temperature ZR optic and the 70 km reach statement fits the link design.

4. Check host and link budget together

Approve the SKU after the Cisco device support record, SFP+ port, software entry, single-mode path loss, and ZR attenuator value have all been checked.

Ordering Checklist

Check Item

What to Confirm

Procurement Risk Controlled

FCoE exclusion

The service design is 10GBASE-ZR Ethernet and does not require FCoE

Keeps the order inside Cisco’s S-Class ZR support note

Host compatibility record

Cisco compatibility documentation covers the target device, SFP+ port, and operating system

Avoids approving the optic from form factor and wavelength alone

Fiber plant

The path uses G.652 single-mode fiber and fits the ZR reach design

Keeps the 80 km class tied to the actual cable plant instead of distance wording only

Patch-cord connector

LC/PC or LC/UPC patch cords are specified and APC connectors are excluded

Matches Cisco’s connector rule for the SFP+ optical family

Attenuator bands

15 dB, 10 dB, or 5 dB attenuation is planned for the applicable sub-45 km ZR distance band

Reduces receiver overload risk during short-span staging or migration

Specifications

Parameter Specification Parameter Specification
Product ID SFP-10G-ZR-S Product type 10GBASE-ZR S-Class SFP+ transceiver
Ordering description 10GBASE-ZR SFP+ Module for SMF S-Class Module class S-Class
Ethernet protocol 10GBASE-ZR FCoE support Not supported
Fiber type Single-mode fiber SMF reference ITU-T G.652
Nominal wavelength 1550 nm Transmitter wavelength range 1530 to 1565 nm
Receiver input wavelength range 1260 to 1565 nm Receiver sensitivity wavelength note Specified over 1530 to 1565 nm with 3 dB degradation from 1260 to 1530 nm
Operating distance Up to about 80 km Engineered-link note Links longer than 30 km are engineered links
Transmitter optical output power 0 to +4.0 dBm Receiver overload -7 dBm
10GE receiver sensitivity -24 dBm Receiver damage threshold +5 dBm
Maximum chromatic dispersion 1600 ps/nm Short-distance attenuation note Cisco ZR notes call for inline attenuation on shorter SMF distances
Short-span attenuation 15 dB below 5 km, 10 dB from 5 km to 25 km, 5 dB from 25 km to 45 km Attenuator spare parts 15216 ATT LC 5=, 15216 ATT LC 10=, 15216 ATT LC 15=
Connector Dual LC/PC Patch-cord rule PC or UPC connectors supported
Bail latch color Green Maximum power consumption 1.5W
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 Platform support boundary Cisco compatibility documentation required for exact host and software support
Standard warranty 5 years Cisco ID feature Cisco platform identification validates Cisco-certified modules

Get More Information

Need pricing, stock, or shipping details for the SFP-10G-ZR-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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    Jordan Müller
    Posted on 14/04/2026
    Verified Buyer
    5.0

    Our procurement lead was skeptical at first. After seeing the product, she approved the reorder.

    Carl Adams
    Posted on 07/01/2026
    Verified Buyer
    4.0

    Layer23 understands what customers value, and they deliver on it.

    Jerry Singh
    Posted on 24/12/2025
    Verified Buyer
    5.0

    Delivery window was accurate. We could schedule our installation team in advance.

    Fiber Team
    Posted on 08/09/2024
    Verified Buyer
    5.0

    Very fast shipping for such a specific part. Helped us restore a backup link quickly.

    Tele-Med Systems
    Posted on 25/06/2024
    Verified Buyer
    5.0

    Long range link up and running. Thanks for the advice on the attenuation levels before purchase.

Questions & Answers

  • What is SFP-10G-ZR-S used for?

    SFP-10G-ZR-S is used for S-Class 10G ZR links over G.652 SMF where the span reaches up to about 80 km.
  • What wavelength and fiber type does SFP-10G-ZR-S use?

    SFP-10G-ZR-S uses 1550 nm optics over standard G.652 SMF with dual LC/PC connectors for long-reach ZR links.
  • Is SFP-10G-ZR-S an IEEE 10GBASE standard optic?

    No. Cisco notes that ZR is not specified as part of the 10 Gigabit Ethernet standard and is built according to Cisco specifications.
  • What does S-Class mean for SFP-10G-ZR-S?

    SFP-10G-ZR-S is the S-Class ZR optic for Ethernet-focused 80 km SMF links, and Cisco notes that it does not support FCoE.
  • What padding rule applies to short ZR-S spans?

    For SFP-10G-ZR-S, Cisco specifies 15 dB below 5 km, 10 dB from 5 to 25 km, and 5 dB from 25 to 45 km.
  • How is SFP-10G-ZR-S different from SFP-10G-ER-S?

    SFP-10G-ZR-S targets about 80 km at 1550 nm, while SFP-10G-ER-S targets 40 km at 1550 nm.
  • Can SFP-10G-ZR-S replace SFP-10G-ZR?

    SFP-10G-ZR-S can match the 80 km ZR reach class, but the S-Class version removes FCoE support and needs platform compatibility confirmation.
  • What design check matters most for SFP-10G-ZR-S?

    SFP-10G-ZR-S requires careful optical loss budgeting, dispersion review, short-link attenuation, and Cisco host compatibility checks before deployment.

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