Introducing Cisco S-Class 10GBASE SFP+ Modules

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In the last article we shared the main differences between Cisco S-Class Optics and Non-S-Class Optics, some cases related to the S-Class Optics from the users. But there is no more information telling the Cisco S-Class 10GBASE SFP+ Modules, such as the different Cisco 10GBASE SFP+ modules’ support, the SFP+ Port Cabling Specifications, Optical Transmit and Receive Specifications and ordering information.

So in this article we will share the main data sheet of Cisco S-Class 10GBASE SFP+ Modules, which can help you select the suitable Cisco Transceiver Modules for your Cisco switches and hardware.

The Cisco S-Class 10GBASE SFP+ modules offer customers a variety of 10 Gigabit Ethernet connectivity options optimized for Enterprise and data center applications. S-Class optics are available for the most common reaches needed for these applications.

Cisco 10GBASE SFP+ Modules

Main features of Cisco 10GBASE SFP+ modules include:

  • Smallest 10G form factor
  • Commercial temperature (0 to 70°C) only
  • Supports 10GBASE Ethernet only
  • Hot-swappable input/output device that plugs in to an Ethernet SFP+ port of Cisco platforms
  • Provides flexibility of interface choice
  • Supports digital optical monitoring capability
  • Cisco quality identification (ID) feature that enables a Cisco platform to identify – optics supported by Cisco technology
  • Optical interoperability with 10GBASE XENPAK, 10GBASE X2, and 10GBASE XFP interfaces on the same link

Cisco SFP-10G-SR-S: The Cisco 10GBASE-SR module supports a link length of 26 meters on standard Fiber Distributed Data Interface (FDDI)-grade multimode fiber (MMF). Using 2000 MHz*km MMF (OM3), up to 300-meter link lengths are possible. Using 4700 MHz*km MMF (OM4), up to 400 meter link lengths are possible.

Cisco SFP-10G-LR-S: The Cisco 10GBASE-LR module supports a link length of 10 kilometers on standard single-mode fiber (SMF, G.652).

Cisco SFP-10G-ER-S: The Cisco 10GBASE-ER module supports a link length of up to 40 kilometers on standard single-mode fiber (SMF, G.652).

Cisco SFP-10G-ZR-S: The Cisco SFP-10G-ZR module supports link lengths of up to about 80 kilometers on standard single-mode fiber (SMF, G.652). This interface is not specified as part of the 10 Gigabit Ethernet standards and is, instead, built according to Cisco specifications.

Cisco SFP+ modules are supported on Cisco switches. For more details, refer to the document “Cisco 10 Gigabit Ethernet Transceiver Modules Compatibility Matrix”: https://www.cisco.com/en/US/docs/interfaces_modules/transceiver_modules/compatibility/matrix/OL_6974.html.

Connectors and Cabling

Connectors: Dual LC/PC connector (-SR, -LR, -ER, -ZR).

Note: Only connections with patch cords with PC or ultra-physical contact (UPC) connectors are supported. Patch cords with angled physical contact (APC) connectors are not supported. All cables and cable assemblies used must be compliant with the standards specified in the standards section.

SFP+ Port Cabling Specifications

Cisco SFP+ Wavelength (nm) Cable Type Core Size (Microns) Modal Bandwidth (MHz*km)*** Cable Distance*
Cisco SFP-10G-SR-S 850 MMF 62.5

62.5

50.0

50.0

50.0

50.0

160 (FDDI)

200 (OM1)

400

500 (OM2)

2000 (OM3)

4700 (OM4)

26m

33m

66m

82m

300m

400m

Cisco SFP-10G-LR-S 1310 SMF G.652 10km
Cisco SFP-10G-ER-S**** 1550 SMF G.652 40km**
Cisco SFP-10G-ZR-S 1550 SMF G.652 80km
  1. * Minimum cabling distance for -SR, -LRM, -LR, -ER modules is 2 meters, according to the IEEE 802.3ae standard.
  2. **Links longer than 30 kilometers are considered engineered links as per the IEEE 802.3ae standard.
  3. *** Specified at transmission wavelength.
  4. **** Requires 5 dB 1550 nm fixed loss attenuator for less than 20 kilometers. Attenuator is available as a spare. 
  5. The part number is 15216 ATT LC 5=.

 

Optical Transmit and Receive Specifications

The following Table shows the main optical characteristics for the Cisco SFP+ modules.

Product Type Transmit Power (dBm)* Receive Power (dBm)* Transmit and Receive Wavelength (nm)
Maximum Minimum Maximum Minimum
Cisco SFP-10G-SR-S 10GBASE-SR 850nm MMF -1.2** -7.3 -1.0 -9.9 840 to 860
Cisco SFP-10G-LR-S 10GBASE-LR 1310nm SMF 0.5 -8.2 0.5 -14.4 1260 to 1355
Cisco SFP-10G-ER-S 10GBASE-ER 1550nm SMF 4.0 -4.7 -1 -15.8 1530 to 1565
Cisco SFP-10G-ZR-S 10GBASE-ZR 1550nm SMF 4.0 0 -7 -24 1530 to 1565
  1. *Transmitter and receiver power is in average, unless specified.
  2. ** The launch power shall be the lesser of the class 1 safety limit or the maximum receive power. Class 1 laser requirements are defined by IEC 60825-1: 2001.

 

Cisco SFP+ Optical Modules Color Code

Product Bail Latch Color
Cisco SFP-10G-SR-S Beige
Cisco SFP-10G-LR-S Blue
Cisco SFP-10G-ER-S Red
Cisco SFP-10G-ZR-S Green

Dimensions: Dimensions (H x W x D): 8.5 x 13.4 x 56.5 mm. Cisco SFP+ connectors typically weigh 75 grams or less. 

Environmental Conditions and Power Requirements

Operating temperature range:

  • Commercial temperature range (COM): 0 to 70°C (32 to 158°F)
  • Storage temperature range: -40 to 85°C (-40 to 185°F)

 

Cisco SFP+ Modules Maximum Power Consumption

Product Power Consumption (W) Operating Temperature Range
Cisco SFP-10G-SR-S 1 COM
Cisco SFP-10G-LR-S 1 COM
Cisco SFP-10G-ER-S 1.5 COM
Cisco SFP-10G-ZR-S 1.5 COM

 

 Ordering Information (the ordering information for Cisco SFP+ modules and related cables)

Description Product Number
SFP+ Modules
Cisco 10GBASE-SR SFP+ Module for MMF SFP-10G-SR-S
Cisco 10GBASE-LR SFP+ Module for SMF SFP-10G-LR-S
Cisco 10GBASE-ER SFP+ Module for SMF SFP-10G-ER-S
Cisco 10GBASE-ZR SFP+ Module for SMF SFP-10G-ZR-S

 

Regulatory and Standards Compliance

Following is information about standards and safety compliance.

Standards

  1. ● GR-20-CORE: Generic requirements for optical fiber and optical fiber cable
  2.  GR-326-CORE: Generic requirements for single-mode optical connectors and jumper assemblies
  3. ● GR-1435-CORE: Generic requirements for multifiber optical connectors
  4. ● IEEE 802.3: 10 Gigabit Ethernet
  5. ● SFP+ MSA SFF-8431 (optical modules, active optical cables, and passive twinax cables)

Safety

  1. ● Laser Class 1 21CFR-1040 LN#50 7/2001
  2. ● Laser Class 1 IEC60825-1

For other SFP+ 10 gigabit modules and cables, refer to the following link: https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/data_sheet_c78-455693.html

 

More Related…

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Cisco XFP vs. SFP vs. SFP+

About Transceiver & Cisco Transceiver Modules

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Cisco S-Class Optics vs. Non-S-Class Optics

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