50G-100G Modules and Cables Visio Stencils

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Part Number Change Notice for 50G Cable & Transceiver Modules

Aug 28, 2025 - Part Number Change Notice for 50G Cable & Transceiver Modules FS announces a part number change for the optical modules and cables listed below. This is solely a product part number change announcement - functionality remains completely unaffected when using the new part numbers. The updated numbering system is designed to streamline the customer ordering process. 1. Direct Attach Cables (DACs) & Active Optical Cables (AOCs) Former Part Number Upgraded Part Number Date QSFP56-AOxx (1m~100m) QSFP-56G-AOxxx (1m~100m) Mar 14, 2024 QSFP56-PCxx (0.5m~5m) QSFP-56G-PCxxx (0.5m~5m) S56-AOxx (1m~50m) SFP-50G-AOxxx (1m~50m) Jul 14, 2024 S56-PCxx (1m~3m) SFP-50G-PCxxx (1m~3m) S56-ACxx (1m~7m) SFP-50G-ACxxx (1m~7m) 2. QSFP28 Modules Former Part Number Upgraded Part Number Date QSFP28-LR-50G QSFP-LR-50G Mar 22, 2024 QSFP28-ER-50G QSFP-ER-50G QSFP28-ZR2-50G QSFP-ZR2-50G QSFP28-50G-BX (1271nm-TX/1331nm-RX) QSFP-50G23-BX10 Apr 14, 2024 QSFP28-50G-BX (1331nm-TX/1271nm-RX) QSFP-50G32-BX10 QSFP28-50G-BX40 (1295nm-TX/1309nm-RX) QSFP-50G23-BX40 QSFP28-50G-BX40 (1309nm-TX/1295nm-RX) QSFP-50G32-BX40 3. SFP56 Modules Former Part Number Upgraded Part Number Date SFP56-LR-50GM-I SFP-50GMLR-31-I Mar 22, 2024 SFP56-LR-50G-I SFP-50GLR-31-I SFP56-FR-50G-RI SFP-50GFR-31-RI SFP56-SR-50G SFP-50GSR-85 SFP56-50G-BX10-UI SFP-50G23-BX10-I Apr 14, 2024 SFP56-50G-BX10-DI SFP-50G32-BX10-I Customer Impact of Change and Recommended Action No functional changes - There is no change to the fit or function of the products. Customers may receive either label until the old inventory is depleted. No action required - No action is needed by customers. Questions? - Please Contact Us for any questions or concerns.

Jun 29, 2025 - 50G QSFP28/SFP56 Cable and Transceiver Modules Data Sheet Product overview The FS® 50GBASE Quad Small Form-Factor Pluggable (QSFP28/SFP56) portfolio offers customers a wide variety of high-density and low-power 50 Gigabit Ethernet connectivity options for data center, high- performance computing networks, enterprise core and distribution layers, and service provider applications. The QSFP28/SFP56-50G modules are our latest generation of 50G transceiver modules solution based on a QSFP28/SFP56 form factor. (See Figure 1) . image.png • QSFP-ER-50G • SFP-50GSR-85 • QSFP-LR-50G • QSFP-50G23-BX10 Figure 1. QSFP28/SFP56-50G Optical modules Features and benefits Hot-swappable input/output device that plugs into a 50G Gigabit Ethernet QSFP28/SFP56 port Interoperable with other IEEE-compliant 50GBASE interfaces where applicable Certified and tested on Cisco, Dell, Brocade QSFP28-50G ports for superior performance, quality, and reliability. For more details, refer to the FS Assured Program for Transceivers High-speed electrical interface compliant to IEEE 802.3cd Table 1 describes the QSFP28/SFP56-50G portfolio. Product Description Connector type QSFP-ER-50G 50GBASE ER QS FP28 Transceiver, LC, 40km over SMF Duplex LC SFP-50GSR-85 50G BASE SR SFP56 Transceiver, LC, 100m over MMF Duplex LC QSFP-LR-50G 50G BASE LR QSFP28 Transceiver, LC, 10km over SMF Duplex LC QSFP-50G23-BX10 50G BASE BX QSFP28 Transceiver, Simplex LC, 10km over SMF Simplex LC SFP-50GMLR-31-I 50G BASE LR SFP56 Transceiver, LC, 10km over SMF Duplex LC QSFP-ZR2-50G 50G BASE ZR2 QS FP28 Transceiver , LC, 80km over SMF Duplex LC SFP-50GLR-31-I 50G BASE LR SFP56 Transceiver, LC, 10km over SMF Duplex LC QSFP-50G23-BX40 50G BASE BX QSFP28 Transceiver , Simplex LC, 40km over SMF Simplex LC QSFP56-PCxx (0.5m、1m、2m、3m、4m、5m) 56G QSFP+ Passive Direct Attach Copper Cable - QSFP56-AOxx (1m、2m、3m、5m、10m、10 m、15 m、 20m、25m、30m、50m、100m) 56G QSFP+ Active Optical Cable - SFP56-PCXX (1m、2m、3m) 50G SFP56 Passive Direct Attach Copper Twinax Cable - QSFP-ER-50G The QSFP-ER-50G Module supports up to 40 km link lengths over OS2 S MF via a LC duplex connector. The built- in digital diagnostics monitoring ( DDM) allows access to real-time operating parameters via the I2C interface. This transceiver is compliant with QSFP28 MSA, SFF-8636 and SFF-8679 standard, and is suitable for 50GBASE Ethernet, 5G Network Mid/Backhaul applications. SFP-50GSR-85 The SFP-50GSR-85 Module supports up to 100m link lengths over OM4 MMF via a LC duplex connector. Digital diagnostics functions are available via a 2-wire serial interface. The transceivers are compliant with the applicable requirements defined in SFF-8402, SFF-8472, IEEE 802.3cd, O IF-CEI-04 .0, and RoHS-6 compliant. It is suitable for 25G&50GBase Ethernet applications. QSFP-LR-50G The QSFP-LR-50G Module supports up to 10km link lengths over OS2 SMF via a LC duplex connector. The built-in digital diagnostics monitoring ( DDM) allows access to real-time operating parameters via the I2C interface. This transceiver is compliant with QSFP28 MSA, SFF-8636 and SFF-8679 standard, and is suitable for 50GBASE Ethernet, 5G Network Mid/Backhaul applications. QSFP-50G23-BX10 The QSFP-50G23-BX10 Module supports up to 10km link lengths over OS2 SMF via a LC simplex connector. This transceiver is compliant with QSFP28 MSA, IEEE P802.3 standard. The built-in digital diagnostics monitoring ( DDM) allows access to real-time operating parameters via the I2C interface. This transceiver is compliant with QSFP28 MSA, IEEE P802.3 standard, and is suitable for 50GBASE Ethernet, 5G Network Mid/Backhaul applications. SFP-50GMLR-31-I The SFP-50GMLR-31-I Module provides multi-rate 10/25/50GBase-LR throughput up to 10km over OS2 SMF via an LC duplex connector. The SFP-50GMLR-31-I module is suitable for 50GBASE Ethernet, 5G Network Mid/ Backhaul applications and can work in harsh industrial environments, such as telecommunications, outdoor applications and marine, oil and gas, mining. QSFP-ZR2-50G The QSFP-ZR2-50G Module supports up to 80 km link lengths over OS2 SMF. Digital diagnostics functions are available via a 2-wire serial interface. The two transmitters are cooled 1310 nm LAN-WDM lasers generating two optical 25Gb ps output signals. This transceiver is compliant with QSFP28 MSA, SFF-8661, SFF-8679 and SFF-8636 standards. It is suitable for 50GBase Ethernet applications. SFP-50GLR-31-I The SFP-50GLR-31-I Module supports up to 10km link lengths over OS2 SMF via an LC duplex connector. This transceiver is compliant with SFP56 MSA, SFF-8432 and SFF-8472 standards. The SFP-50GLR-31-I module is suitable for 50GBASE Ethernet, 5G Network Mid/Backhaul applications and can work in harsh industrial environments, such as telecommunications, outdoor applications and marine, oil and gas, mining. QSFP-50G23-BX40 The QSFP-50G23-BX40 Module supports up to 40km link lengths over OS2 SMF via a LC simplex connector. This transceiver is compliant with QSFP28 MSA, IEEE P802.3 standard. The built-in digital diagnostics monitoring ( DDM) allows access to real-time operating parameters via the I2C interface. This transceiver is compliant with QSFP28 MSA, IEEE P802.3 standard, and is suitable for 50GBASE Ethernet, 5G Network Mid/Backhaul applications. QSFP-56G-PCxxx QSFP-56G-PCxx copper direct-attach 56G QSFP+ cables( Figure 1) are suitable for cost effective close range interconnections within equipment room of telecom operators or data centers, interconnecting LAN or SAN applications with speeds up to 5 6 G . FS currently offers passive copper cables in lengths of x= 0 . 5 、 1 、 1 . 5 、 2 、3 、4 、5 meters. image.png Figure 1. QSFP-56G-PCxxx cables QSFP-56G-AOxxx QSFP-56G-AOxx copper direct-attach 56G QSFP+ cables( Figure 2) provides a cost-efficient solution as compared to using discrete optical transceivers and optical patch cables and is suitable for 56Gb ps connections within rack s and across adjacent racks. FS currently offers active optical cable in lengths of x= 1 、2 、3 、5 、10 、15 、20 、25 、30 、50 、100meters. image.png Figure 2. QSFP-56G-AOxx cables SFP-50G-PCxxx SFP-50G-PCxxx copper direct-attach 50G SFP56 cables( Figure 3) are suitable for cost effective close range interconnections within equipment room of telecom operators or data centers, interconnecting LAN or SAN applications with speeds up to 50G. FS currently offers passive copper cables in lengths of x= 1 、 2 、 3 meters. image.png Figure 3. SFP-50G-PCxxx cables Product specifications Table 2 shows the key electrical characteristics for the 50 G QSFP28/SFP56 modules. Product Description Nominal datarate (Gbs) High-speed electrical Link meter QSFP-ER-50G 50GBASE ER QSFP28 Transceiver, LC, 40km over SMF 53. 125Gbps 50G CAUI-4 40km SFP-50GSR-85 50G BASE SR SFP56 Transceiver, LC, 100m over MMF 53. 125Gbps 50G CAUI-4 100m QSFP-LR-50G 50G BASE LR QSFP28 Transceiver, LC, 10km over SMF 53. 125Gbps 50G CAUI-2 10km QSFP-50G23-BX10 50G BASE BX QSFP28 Transceiver, Simplex LC, 10km over SMF 53. 125Gbps 50G CAUI-4 10km SFP-50GM LR-31-I 50GBASE LR SFP56 Transceiver, LC, 10km over SMF 53. 125Gbps 50G CAUI-4 10km QSFP-ZR2-50G 50G BASE ZR2 QSFP28 Transceiver, LC, 80km over SMF 53. 125Gbps 50G CAUI-4 80km SFP-50GLR-31-I 50GBASE LR SFP56 Transceiver, LC, 10km over SMF 53. 125Gbps 50G CAUI-4 10km QSFP-50G23-BX40 50G BASE BX QSFP28 Transceiver, Simplex LC, 40km over SMF 53. 125Gbps 50G CAUI-4 40km QSFP-56G-PCxx (0 .5 m 、 1 m 、 1.5 m 、2m 、3 m 、4 m 、5 m) 56G QSFP+ Passive Direct Attach Copper Cable 56Gbps - 0.5 、 1、2 、 3 、4、5 QSFP-56G-AOxx (1 m 、2 m 、3 m 、5 m、10 m 、 15 m 、20m 、25m 、30m 、50m 、 100m） 56G QSFP+ Active Optical Cable 56Gbps - 1 、2 、3 、5 、 10、 15 、20 、25 、30 、 50 、 100 SFP-50G-PCxxx (1m 、2 m 、3 m) 50G SFP56 Passive Direct Attach Copper Cable 50Gbps - 1 、 2 、 3 Table 3 shows the key optical characteristics for the 50 G QSFP28/SFP56 modules. Product Description Transmit Power (dBm) per lane Receive Power (dBm) per lane Transmit and Receive Wavelength (nm) Minimum Maximum Minimum Maximum QSFP-ER-50G 50GBASE ER QSFP28 Transceiver, LC, 40km over SMF 0.4 6.6 -17.6 -7 1310 nm SFP-50GSR-85 50GBASE SR SFP56 Transceiver, LC, 100m over MMF -6.5 4 -8.4 4 850 nm QSFP-LR-50G 50GBASE LR QSFP28 Transceiver, LC, 10km over SMF -4.5 4.2 -10.8 4.2 1310 nm QSFP-50G23-BX10 50GBASE BX QSFP28 Transceiver, Simplex LC, 10km over SMF -4.5 4.2 -10.8 4.2 1271 (Tx) 1331 (Rx) SFP-50GM LR-31-I 50GBASE LR SFP56 Transceiver, LC, 10km over SMF -4.5 4.2 -10.8 4.2 1311 QSFP-ZR2-50G 50GBASE ZR2 QSFP28 Transceiver, LC, 80km over SMF 2 6.5 -10.8 4 1310 SFP-50GLR-31-I 50GBASE LR SFP56 Transceiver, LC, 10km over SMF -4.5 4.2 -10.8 4.2 1310 QSFP-50G23-BX40 50GBASE BX QSFP28 Transceiver, Simplex LC, 40km over SMF 0.4 6.6 -17.6 -3.37 1295 (Tx) 1309 ( Rx) Table 4 shows the mechanical characteristics for the 50 G QSFP28/SFP56 modules. Parameter Product Weight Module dimension with pull tab ( H x W x D) 8.5 x 18.35 x 123.41 mm Module weight (Max) Optical modules 400 g QSFP-56G-PC005 120g QSFP-56G-PC01 112g QSFP-56G-PC015 240g QSFP-56G-PC02 224g QSFP-56G-PC03 240g QSFP-56G-PC04 320g QSFP-56G-PC05 120g QSFP-56G-AO01 120g QSFP-56G-AO02 160g QSFP-56G-AO03 160g QSFP-56G-AO05 240g SFP-50G-PC01 120g SFP-50G-PC02 168g SFP-50G-PC03 204g QSFP-56G-AO10 480g QSFP-56G-AO15 720g QSFP-56G-AO20 960g QSFP-56G-AO25 1040g QSFP-56G-AO30 1200g QSFP-56G-AO50 1360g QSFP-56G-AO100 2720g Warranty Standard warranty: 5 years For more information for FS Returns & Refunds policy, visit https://www.fs.com/policies/warranty.html or https://www.fs.com/policies/day_return_policy.html Ordering information Table 5 provides the ordering information for QSFP28/SFP56 50G modules and related cables. Part number Description QSFP28/SFP56 optics modules QSFP-ER-50G 50GBASE ER QSFP28 Transceiver, LC, 40km over SMF QSFP-LR-50G 50GBASE LR QSFP28 Transceiver, LC, 10km over SMF QSFP-50G23-BX10 50GBASE BX QSFP28 Transceiver, Simplex LC, 10km over SMF QSFP-ZR2-50G 50GBASE ZR2 QSFP28 Transceiver, LC, 80km over SMF QSFP-50G23-BX40 50GBASE BX QSFP28 Transceiver, Simplex LC, 40km over SMF SFP-50GSR-85 50G BASE SR SFP56 Transceiver, LC, 100m over MMF SFP-50GM LR-31-I 50G BASE LR SFP56 Transceiver, LC, 10km over SMF SFP-50GLR-31-I 50G BASE LR SFP56 Transceiver, LC, 10km over SMF QSFP28/SFP56 direct-attach copper modules QSFP-56G-PC005 56G QSFP+ Passive Direct Attach Copper Cable, 0. 5-meter QSFP-56G-PC01 56G QSFP+ Passive Direct Attach Copper Cable, 1-meter QSFP-56G-PC01 5 56G QSFP+ Passive Direct Attach Copper Cable, 1. 5-meter QSFP-56G-PC0 2 56G QSFP+ Passive Direct Attach Copper Cable, 2-meter QSFP-56G-PC03 56G QSFP+ Passive Direct Attach Copper Cable, 3-meter QSFP-56G-PC04 56G QSFP+ Passive Direct Attach Copper Cable, 4-meter QSFP-56G- PC05 56G QSFP+ Passive Direct Attach Copper Cable, 5-meter SFP-50G-PC01 50G SFP56 Passive Direct Attach Copper Twinax Cable, 1-meter SFP-50G-PC0 2 50G SFP56 Passive Direct Attach Copper Twinax Cable, 2-meter SFP-50G-PC03 50G SFP56 Passive Direct Attach Copper Twinax Cable, 3-meter QSFP-56G-AO01 56G QSFP+ Active Optical Cable, 1-meter QSFP-56G-AO02 56G QSFP+ Active Optical Cable, 2-meter QSFP-56G-AO03 56G QSFP+ Active Optical Cable, 3-meter QSFP-56G-AO05 56G QSFP+ Active Optical Cable, 5-meter QSFP-56G-AO10 56G QSFP+ Active Optical Cable, 10-meter QSFP-56G-AO15 56G QSFP+ Active Optical Cable, 15-meter QSFP-56G-AO20 56G QSFP+ Active Optical Cable, 20-meter QSFP-56G-AO25 56G QSFP+ Active Optical Cable, 25-meter QSFP-56G-AO30 56G QSFP+ Active Optical Cable, 30-meter QSFP-56G-AO50 56G QSFP+ Active Optical Cable, 50-meter QSFP-56G- AO10 0 56G QSFP+ Active Optical Cable, 100-meter Regulatory and standards compliance Standards SFF- 8 6 6 5 : QSFP2 8 / SFP5 6 + 2 8 Gb/ s 4 X Pluggable Transceiver Solution ( QSFP2 8 /SFP5 6 ) SFF-8636: Common Management Interface 802 .3 ™ - 2012 IEEE Standard for Ethernet IEEE 802. 3 ba Amendment of IEEE Std 802.3 IEEE 802. 3 bm Amendment of IEEE Std 802.3 GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies GR-468-CORE: Generic Requirements for Optoelectronic Devices Used in Telecommunications Equipmet GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors RoHS 6 Safety Modules are compliant with Laser Class 1 as defined in IEC 60825-1, IEC 60825-2 and Comply with 21 CFR 1040.10 and 1040.11 Table 6 . Laser class for the QSFP2 8 / SFP5 6 - 5 0 G optical modules Product Laser class QSFP-ER-50G 1 SFP-50GSR-85 1 QSFP-LR-50G 1 QSFP-50G23-BX10 1 SFP-50GM LR-31-I 1 QSFP-ZR2-50G 1 SFP-50GLR-31-I 1 QSFP-50G23-BX40 1 Additional information For more information about 50GBASE QSFP28/SFP56 optics and copper modules, contact your account manager or visit https://www.fs.com/c/fiber-optic-transceivers-9