SFP-50G-LR-S

Cisco 25/50GBASE-LR SFP56 Module for SMF
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  • Overview
  • Specifications
  • Datasheet
  • Ordering Information

Product Overview

The Cisco 50GBASE SFP56 (Small Form-Factor Pluggable) portfolio offers customers a wide variety of highdensity and low-power 50G and 25G Gigabit Ethernet connectivity options for data center and highperformance computing network applications. The 50G Modules are based on SFP56 form

Features and benefits of Cisco 50G Modules

  • Interoperable with other IEEE-compliant 50G and 25G interfaces where applicable
  • Certified and tested on Cisco SFP56 ports for superior performance, quality, and reliability
  • Provides connectivity with 50G PAM4 or 25G NRZ optical interfaces
  • High-speed connectivity compliant to IEEE 802.3cc, IEEE 802.3cn, IEEE 802.3cd, IEEE 802.3by, CPRI V7.0

Cisco SFP-50G copper cables

Cisco SFP56 to SFP56 copper direct-attach 25/50GBASE-CR1 cables are suitable for very short links and offer a highly cost-effective way to establish a 25 and 50 Gigabit link between SFP56 ports found switches, routers, or other platforms within a rack and across adjacent racks. Cisco offers passive copper cables in lengths of 0.5, 1, 1.5, 2, 2.5, 3, 4, and 5 meters.

  • For 50G mode, all cable lengths require RS-FEC (544,514) also known as KP1-FEC on host ports.
  • For 25G mode, the 0.5, 1, 1.5, and 2m cables do not require FEC on the host ports; 2.5 and 3m cables require
  • BASE-R FEC (also known as FC-FEC) on the host ports; 4 and 5m cables require RS-FEC (528,514) also known as KR1-FEC on the host ports.
  • The SFP-50G copper cables feature an LSZH (Low Smoke Zero Halogen) jacket.

Cisco SFP-50G-SL

Cisco SFP-50G-SL Short Link Modules are a replacement for traditional AOCs (Active Optical Cables). They are suitable for very short distances and offer a cost-effective way to connect within a rack and across adjacent racks at up to 30 meters.

  • For 50G operation, the module requires KP1-FEC on the host port for link lengths of 20/30/30 m on OM3/4/5 MMF.
  • For 25G operation, the module supports:

P 20/30/30 m on OM3/4/5 with KR1-FEC,

P 10/16/16 m on OM3/4/5 with FC-FEC, and

P 7/10/10 m on OM3/4/5 with No-FEC.

Cisco SFP-50G-SR-S

  • For 50G mode, the Cisco 50GBASE-SR-S module supports a link length of 70/100/100 m on OM3/4/5 MMF with KP1-FEC on the host port.
  • For 25G mode, the Cisco 50GBASE-SR-S module supports a link length of:

P 70/100/100 m on OM3/4/5 MMF with KR1-FEC,

P 10/16/16 m on OM3/4/5 MMF with FC-FEC, and

P 7/10/10 m on OM3/4/5 MMF with No-FEC.

Cisco SFP-50G-LR-S

The Cisco SFP-50G-LR-S Module supports a link length of 10/15 km on standard Single-Mode Fiber (SMF) G.652 at both 25G and 50G.

  • For 50G mode, the module requires KP1-FEC on the host ports, and for 25G mode, the module requiresKR1-FEC on the host ports.


Table 1.   50G DAC specifications

Cisco SFP-50G

Cable type

Cable distance

Max power consumption (W)

Pull tab/color

Cisco SFP-50G-CU0.5M

Direct-attach copper cable assembly

0.5 m

1/10

Beige

Cisco SFP-50G-CU1M

1 m

Beige

Cisco SFP-50G-CU1.5M

1.5 m

Black

Cisco SFP-50G-CU2M

2 m

Brown

Cisco SFP-50G-CU2.5M

2.5 m

Yellow

Cisco SFP-50G-CU3M

3 m

Orange

Cisco SFP-50G-CU4M

4 m

Green

Cisco SFP-50G-CU5M

5 m

Gray

 

Table 2.   50G Transceiver specifications

Cisco SFP-50G

Wavelength (nm)

Cable type

Core size (microns)

Max Power Consumption (W)

Modal bandwidth

Cable distance

Bail latch color

Cisco SFP-50G-SL

850

MMF

50.0

1.2

2000 (OM3)

20 m

Violet

4700 (OM4)

30 m

4700 (OM5)

30 m

Cisco SFP-50G-SR-S

850

MMF

50.0

1.2

2000 (OM3)

70 m

Beige

4700 (OM4)

100 m

4700 (OM5)

100 m

Cisco SFP-50G-LR-S

1310

SMF

G.652

1.5

–

10/15 km*

Blue

*Links with up to 15-km reach are supported as engineered links as long as channel insertion loss is <8dB.


SFP-50G-LR-S

Table 1.   Cisco 50G cables and transceivers

Product number

Description

SFP-50G-CU0.5M

Cisco 25/50GBASE-CR1 SFP56 Passive Copper Cable, 1/2-meter, LSZH

SFP-50G-CU1M

Cisco 25/50GBASE-CR1 SFP56 Passive Copper Cable, 1-meter, LSZH

SFP-50G-CU1.5M

Cisco 25/50GBASE-CR1 SFP56 Passive Copper Cable 1.5-meter, LSZH

SFP-50G-CU2M

Cisco 25/50GBASE-CR1 SFP56 Passive Copper Cable, 2-meter, LSZH

SFP-50G-CU2.5M

Cisco 25/50GBASE-CR1 SFP56 Passive Copper Cable 2.5-meter, LSZH

SFP-50G-CU3M

Cisco 25/50GBASE-CR1 SFP56 Passive Copper Cable, 3-meter, LSZH

SFP-50G-CU4M

Cisco 25/50GBASE-CR1 SFP56 Passive Copper Cable 4-meter, LSZH

SFP-50G-CU5M

Cisco 25/50GBASE-CR1 SFP56 Passive Copper Cable, 5-meter, LSZH

SFP-50G-SL

Cisco 25/50GBASE-SL SFP56 Module for MMF

SFP-50G-SR-S

Cisco 25/50GBASE-SR SFP56 Module for MMF

SFP-50G-LR-S

Cisco 25/50GBASE-LR SFP56 Module for SMF


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