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May 17, 2025 - 40G QSFP+ Cable and Transceiver Modules Data Sheet Product overview The 40G transceiver module portfolio offers customers a wide variety of high-density and low-power 40 Gigabit Ethernet connectivityoptionsfor data center, high-performance computing networks, enterprise core and distribution layers, and service provider applications. It includes 40GBASE QSFP+ modules, 40G Converter modules, 40G DACs/AOCs and their breakout cables. Featured products suchas QSFP-SR4-40G modules and QSFP-LR4-40G modules are also available for choice. (See Figure 1). image.png • QSFP-SR4-40G • QSFP-LR4-40G • QSFP-PLR4-40G • QSFP-PLR4L-40G • QSFP-4x10G-SR Figure 1. QSFP+ 40G Optical modules Features and benefits • Hot pluggable to maximize uptime and simplify serviceability • Flexible choice of compatibility, distance and interface for all need • Tested on brand devices for performance, quality, and reliability • Compliant with RoHs, CE, REACH, FDA and etc. Table 1 describes the QSFP+ 40G portfolio. Table 1. QSFP+ 40G portfolio Product Description Connector type QSFP-4x10G-SR 40GBASE-SR4 QSFP+ 850nm 150m DOM MPO-12/UPC MMF 4x10G-SR Breakout MTP/MPO-12 (12 fibers) QSFP-SR4-40G 40GBASE SR4 QSFP+ Transceiver, MTP/MPO, 150m over MMF MTP/MPO-12 (12 fibers) QSFP-BIDI-40G 40GBASE SWDM4 BIDI QSFP+ Transceiver, Duplex LC, 300m over MMF Duplex LC QSFP-CSR4-40G 40GBASE CSR4 QSFP+ Transceiver, MTP/MPO, 400m over MMF MTP/MPO-12 (12 fibers) QSFP-PLR4L-40G 40GBASE PLR4L QSFP+ Transceiver, MTP/MPO, 2km over SMF MTP/MPO-12 (12 fibers) QSFP-LX4-40G 40GBASE LX4 QSFP+ Transceiver, Duplex LC, 2km over SMF Duplex LC QSFP-LR4L-40G 40GBASE LR4L QSFP+ Transceiver, Duplex LC, 2km over SMF Duplex LC QSFP-LR4-40G 40GBASE LR4 QSFP+ Transceiver, Duplex LC, 10km over SMF Duplex LC QSFP-LR4-40G-I 40GBASE LR4 QSFP+ Industrial Transceiver, Duplex LC, 10km over SMF Duplex LC QSFP-PLR4-40G 40GBASE PLR4 QSFP+ Transceiver, MTP/MPO, 10km over SMF MTP/MPO-12 (12 fibers) QSFP-ELR4-40G 40GBASE ELR4 QSFP+ Transceiver, Duplex LC, 20km over SMF Duplex LC QSFP-ER4-40G 40GBASE ER4 QSFP+ Transceiver, Duplex LC, 40km over SMF Duplex LC QSFP-SR4-40G (IB) 40GBASE SR4 QSFP+ Transceiver for InfiniBand FDR10, MTP/MPO, 150m over MMF MTP/MPO-12 (12 fibers) QSFP-CSR4-40G (IB) 40GBASE CSR4 QSFP+ Transceiver for InfiniBand FDR10, MTP/MPO, 400m over MMF MTP/MPO-12 (12 fibers) QSFP-LR4-40G (IB) 40GBASE LR4 QSFP+ Transceiver for InfiniBand FDR10, Duplex LC, 10km over SMF Duplex LC QSFP-LR4-40G-I (IB) 40GBASE LR4 QSFP+ Industrial Transceiver for InfiniBand FDR10, Duplex LC, 10km over SMF Duplex LC QSFP-ZR4-40G 40GBASE ZR4 QSFP+ Transceiver, Duplex LC, 80km over SMF Duplex LC QSFP-SR4-40G-I 40GBASE SR4 QSFP+ Industrial Transceiver, MTP/MPO, 150m over MMF MTP/MPO-12 (12 fibers) QSFP-40G-1SPCxxx (1M, 2M, 3M, 5M, 7M) 40GBASE QSFP+ to 1x10G SFP+ Passive Copper Cable - QSFP-40G-ACxxx (1M, 3M, 5M, 7M, 10M) 40GBASE Active Copper Cable - QSFP-40G-AOxxx (1M, 2M, 3M, 5M, 7M, 10M, 15M, 20M, 25M, 30M, 50M) 40GBASE Active Optical Cable - QSFP-40G-4SPCxxx (0.5M, 1M, 2M, 3M, 4M, 5M, 7M) 40GBASE QSFP+ to 4x10G SFP+ Passive Copper Cable - QSFP-40G-4SACxxx (1M, 3M, 5M, 7M, 9M) 40GBASE QSFP+ to 4x10G SFP+ Active Copper Cable QSFP-40G-4SAOxxx (1M, 2M, 3M, 5M, 7M, 10M, 15M, 20M, 25M, 30M) 40GBASE QSFP+ to 4x10G SFP+ Active Optical Cable - QSFP-40G-4LCAOxxx (5M, 10M, 15M, 20M, 30M) 40GBASE QSFP+ to 4 Duplex LC Active Optical Cable Duplex LC QSFP-40G-PCxxx (IB) (0.5M, 1M, 1.5M, 2M, 3M, 4M, 5M) 40GBASE QSFP+ Passive Copper Cable for InfiniBand FDR10 - QSFP-40G-AOxxx (IB) (1M, 3M, 5M, 7M, 10M, 15M, 20M, 25M, 30M, 50M, 100M) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10 - QSFP-40G-PCxxx (0.5M, 1M, 1.5M, 2M, 3M, 5M, 7M) 40GBASE Passive Copper Cable QSFP-4x10G-SR The QSFP+ module adopts 12 Fibers MTP/MPO Male connectors, reachinga link up to 150m over OM4 MMF (100m over OM3). This transceiver is compliant with IEEE 802.3 40GBASE-SR4 and breakout to 4x10GBASE-SR standard. At the same time, it is completely interopperable with all standard 40GBASE-SR4 interfaces. Digital diagnostics functions are also available via the I2C interface, as specified by the QSFP+ MSA, to allow access to real-time operating parameters. With its easy installation and hot-swappable design, this transceiver is ideal for various applications, including campdata center, cloud deployments, high-performance computing environments, and interconnections between switches, routers, servers, and transport equipment. QSFP-SR4-40G The QSFP-SR4-40G Module supports 12 Fibers MTP/MPO Male connectors, reaching a link up to 150m over OM4 MMF (100m over OM3). This transceiver is compliant with QSFP+ MSA, IEEE 802.3ba 40GBASE-SR4 standard. It is suitable to be used in various applications, such as data centers, campus and computing networks, interconnections within and between switches, routers, NICs and transport equipment. QSFP-BIDI-40G The QSFP-BIDI-40G module is designed for use in 40 Gigabit Ethernet links over duplex multimode fiber (MMF). This transceiver is compliant with the QSFP+ MSA and IEEE 802.3ba XLPPI electrical interface. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP+ MSA, to allow access to real- time operating parameters. QSFP-CSR4-40G The QSFP-CSR4-40G module is designed for use in 40GBASE Ethernet throughput up to 400m over multimode fiber (MMF) using a wavelength of 850nm via a MTP/MPO-12 connector. This transceiver is compliant with QSFP+ MSA, IEEE 802.3ba 40GBASE-SR4 and IEEE 802.3ae 10GBASE-SR standard. QSFP-PLR4L-40G The QSFP-PLR4L-40G module is designed for use in 40GBASE Ethernet throughput up to 2km over single mode fiber (SMF) using a wavelength of 1310nm via a MTP/MPO-12 connector. This transceiver is compliant with 100G PSM4 MSA. QSFP-LX4-40G The QSFP-LX4-40G module is designed for use in 40GBASE Ethernet throughput up to 150m over OM3 multimode fiber (MMF) and 2km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. This transceiver is compliant with QSFP+ MSA and IEEE 802.3ba 40GBASE-LM4 standard. QSFP-LR4L-40G The QSFP-LR4L-40G module is designed for use in 40GBASE Ethernet throughput up to 2km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. This transceiver is compliant with QSFP+MSA and IEEE 802.3ba 40GBASE-LR4 standard. QSFP-LR4-40G The QSFP-LR4-40G module is designed for use in 40GBASE Ethernet throughput up to 10km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. This transceiver is compliant with QSFP+MSA and IEEE 802.3ba 40GBASE-LR4 and OTU3 C4S1-2D1 standard. QSFP-LR4-40G-I The QSFP-LR4-40G-I module is designed for use in 40GBASE Ethernet throughput up to 10km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. This transceiver is compliant with SFF-8436 QSFP+ MSA and RoHS standards. QSFP-PLR4-40G The QSFP-PLR4-40G module is designed for use in 40GBASE Ethernet throughput up to 10km over single mode fiber (SMF) using a wavelength of 1310nm via a MTP/MPO-12 connector. This transceiver is compliant with QSFP+ MSA. It is suitable to be used in various applications, such as data centers, high-performance computing networks, enterprise core and distribution layer applications QSFP-ELR4-40G The QSFP-ELR4-40G module is designed for use in 40GBASE Ethernet throughput up to 20km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. This transceiver is compliant with SFF-8436 QSFP+ MSA and RoHS standards. QSFP-ER4-40G The QSFP-ER4-40G module is designed for use in 40GBASE Ethernet throughput up to 40km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. This transceiver is compliant with QSFP+MSA, IEEE 802.3bm 40GBASE-ER4 and OTU3 standard. QSFP-SR4-40G (IB) The QSFP-SR4-40G Optical Transceiver Module is designed for use in 40Gb/s FDR10 InfiniBand systems throughput up to 150m over OM4 or 100m over OM3 multimode fiber (MMF) using a wavelength of 850nm via a MTP/MPO-12 connector. Digital diagnostics functions are also available via the I2C interface, as specified by the QSFP+ MSA, to allow access to real-time operating parameters. QSFP-CSR4-40G (IB) The QSFP-CSR4-40G Optical Transceiver Module is designed for use in 40Gb/s FDR10 InfiniBand systems throughput up to 400m over OM4 or 300m over OM3 multimode fiber (MMF) using a wavelength of 850nm. Digital diagnostics functions are also available via the I2C interface, as specified by the QSFP+ MSA, to allow access to real-time operating parameters. QSFP-LR4-40G (IB) The QSFP-LR4-40G Optical Transceiver Module is designed for use in 40Gb/s FDR10 InfiniBand systems throughput up to 10km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. Digital diagnostics functions are also available via the I2C interface, as specified by the QSFP+ MSA, to allow access to real-time operating parameters. QSFP-LR4-40G-I (IB) The QSFP-LR4-40G-I Optical Transceiver Module is designed for use in 40Gb/s QDR InfiniBand systems throughput up to 10km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. Digital diagnostics functions are also available via the I2C interface, as specified by the QSFP+ MSA, to allow access to real-time operating parameters. QSFP-ZR4-40G The QSFP-ZR4-40G module is designed for use in 40GBASE Ethernet throughput up to 80km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. This transceiver is compliant with QSFP+ MSA and RoHS standards. QSFP-SR4-40G-I The QSFP+ module adopts 12 Fibers MTP/MPO Male connectors, reaching a link up to 150m over OM4 MMF (100m over OM3). This transceiver is compliant with QSFP+ MSA, IEEE 802.3ba 40GBASE-SR4 and breakout to 4x10GBASE-SR standards. QSFP-40G-PCxxx QSFP-40G-PCxxx copper direct-attach 40GBASE cables (Figure 2) are suitable for very short links and offer a cost-effective way to establish a 40-Gigabit link between QSFP+ 40G ports of switches within racks and across adjacent racks. FS currently offers passive copper cables in lengths of x= 0.5,1,1.5, 2, 3, 5 and 7 meters. image.png Figure 2. QSFP-40G-PCxxx cables QSFP-40G-1SPCxxx QSFP-40G-1SPCxxx copper direct-attach 40GBASE cables (Figure 3) are suitable for very short links and offer a cost -effective way to establish a 40-Gigabit link between QSFP + 40G ports of switches within racks and across adjacent racks . It provides a QSFP + to SFP+ copper direct-attach solution . FS currently offers passive copper cables in lengths of x= 1, 2, 3, 5 and 7 meters. image.png Figure 3. QSFP-40G-1SPCxxx cables QSFP-40G-ACxxx QSFP-40G-ACxxxect-attach 40GBASE cables (Figure 4) are suitable for very short links and offer a cost-effective way to establish a 40-Gigabit link between QSFP+ 40G ports of switches within racks and across adjacent racks. FS currently offers passive copper cables in lengths of x= 1, 3, 5, 7, and 10 meters. image.png Figure 4. QSFP-40G-ACxxx cables QSFP-40G-AOxxx QSFP+ 40G to QSFP+ 40G AOC cables (Figure 5) are suitable for short distances and offer a flexible way to connect within racks and across racks. Active optical cables are much thinner and lighter than copper cables, which makes cable management easier. AOCs enable efficient system airflow, which is critical in high-density racks. FS currently offers active optical cables in lengths of x=1, 2, 3, 5, 7, 10, 15, 20, 25, 30 and 50 meters. image.png Figure 5. QSFP-40G-AOxxx cables QSFP-40G-4SPCxxx QSFP+ 40G to 4 SFP+ 10G copper direct-attach breakout cables (Figure 6) are suitable for very short links and offer a cost-effective way to connect within racks and across adjacent racks. These breakout cables connect to a 40G QSFP+ port of a switch on one end and to four 10G SFP+ ports of a switch/server on the other end. FS currently offers passive cables in lengths of x= 0.5,1, 2, 3, 4, 5 and 7 meters. image.png Figure 6. QSFP-40G-4SPCxxx cables QSFP-40G-4SACxxx QSFP+ 40G to 4 SFP+ 10G copper direct-attach breakout cables (Figure 7) are suitable for very short links and offer a cost-effective way to connect within racks and across adjacent racks. These breakout cables connect to a 40G QSFP+ port of a switch on one end and to four 10G SFP+ ports of a switch/server on the other end. FS currently offers passive cables in lengths of x= 1, 3, 5, 7, and 9 meters. image.png Figure 7. QSFP- 40G-4SACxxx cables QSFP-40G-4SAOxxx QSFP+ 40G to QSFP+ 40G AOC cables (Figure 8) are suitable for short distances and offer a flexible way to connect within racks and across racks. Active optical cables are much thinner and lighter than copper cables, which makes cable management easier. AOCs enable efficient system airflow, which is critical in high-density racks. FS currently offers active optical cables in lengths of x=1, 2, 3, 5, 7, 10, 15, 20, 25, and 30 meters. image.png Figure 8. QSFP-40G-4SAOxxx cables QSFP-40G-4LCAOxxx QSFP+ 40G to 4 duplex LC AOC cables (Figure 9) are suitable for short distances and offer a flexible way to connect within racks and across racks. Active optical cables are much thinner and lighter than copper cables, which makes cable management easier. AOCs enable efficient system airflow, which is critical in high-density racks. FS currently offers active optical cables in lengths of x=5, 10, 15, 20, and 30 meters. image.png Figure 9. QSFP-40G-4LCAOxxx cables QSFP-40G-PCxxx (IB) QSFP-40G-PCxxx copper direct-attach 40GBASE cables (Figure 10) are suitable for very short links and offer a cost-effective way to establish a 40-Gigabit link between QSFP+ 40G ports of switches within racks and across adjacent racks. FS currently offers passive copper cables in lengths of x= 0.5, 1,1.5, 2, 3, 4 and 5 meters. image.png Figure 10. QSFP-40G-PCxxx (IB) cables QSFP-40G-AOxxx (IB) QSFP+ 40G to QSFP+ 40G AOC cables (Figure 11) are suitable for short distances and offer a flexible way to connect within racks and across racks. Active optical cables are much thinner and lighter than copper cables, which makes cable management easier. AOCs enable efficient system airflow, which is critical in high-density racks. FS currently offers active optical cables in lengths of x=1, 3, 5, 7, 10, 15, 20, 25, 30, 50 and 100 meters. image.png Figure 11. QSFP-40G-AOxxx (IB) cables Product Specifications Table 2 shows the key electrical characteristics for the 40G QSFP+ modules. Table 2. Electrical specifications Product Description Nominal datarate (Gbs) High-speed electrical Link meter QSFP-4×10G-SR 40GBASE SR4 QSFP+ Transceiver, MTP/MPO, 150m over MMF 41.25Gbps 40G CAUI-4 150m QSFP-SR4-40G 40GBASE SR4 QSFP+ Transceiver, MTP/MPO, 150m over MMF 41.25Gbps 40G CAUI-4 150m QSFP-BIDI-40G 40GBASE SWDM4 BIDI QSFP+ Transceiver, Duplex LC, 300m over MMF 41.2Gbps 40G CAUI-4 300m QSFP-CSR4-40G 40GBASE CSR4 QSFP+ Transceiver, MTP/MPO, 400m over MMF 42Gbps 40G CAUI-4 400m QSFP-PLR4L-40G 40GBASE PLRL4 QSFP+ Transceiver, MTP/MPO, 2km over SMF 41.2Gbps 40G CAUI-4 2km QSFP-LX4-40G 40GBASE LX4 QSFP+ Transceiver, Duplex LC, 2km over SMF 41.2Gbps 40G CAUI-4 2km QSFP-LR4L-40G 40GBASE LR4L QSFP+ Transceiver, Duplex LC, 2km over SMF 41.2Gbps 40G CAUI-4 2km QSFP-LR4-40G 40GBASE LR4 QSFP+ Transceiver, Duplex LC, 10km over SMF 44.6Gbps 40G CAUI-4 10km QSFP-LR4-40G-I 40GBASE LR4 QSFP+ Industrial Transceiver, Duplex LC, 10km over SMF 44.6Gbps 40G CAUI-4 10km QSFP-PLR4-40G 40GBASE PLR4 QSFP+ Transceiver, MTP/MPO, 10km over SMF 41.2Gbps 40G CAUI-4 10km QSFP-ELR4-40G 40GBASE LR4 QSFP+ Transceiver, Duplex LC, 20km over SMF 41.2Gbps 40G CAUI-4 20km QSFP-ER4-40G 40GBASE ER4 QSFP+ Transceiver, Duplex LC, 40km over SMF 44.6Gbps 40G CAUI-4 40km QSFP-SR4-40G (IB) 40GBASE SR4 QSFP+ Transceiver for InfiniBand FDR10, MTP/MPO, 150m over MMF 41.25Gbps 40G CAUI-4 150m QSFP-CSR4-40G (IB) 40GBASE CSR4 QSFP+ Transceiver for InfiniBand FDR10, MTP/MPO, 400m over MMF 41.25Gbps 40G CAUI-4 400m QSFP-ZR4-40G 40GBASE ZR4 QSFP+ Transceiver, Duplex LC, 80km over SMF 41.25Gbps 40G CAUI-4 80km QSFP-SR4-40G-I 40GBASE-SR4 QSFP+ Transceiver, MTP/MPO,150m over MMF 41.25Gbps 40G CAUI-4 150m QSFP-LR4-40G (IB) 40GBASE LR4 QSFP+ Transceiver for InfiniBand FDR10, Duplex LC, 10km over SMF 41.25Gbps 40G CAUI-4 10km QSFP-LR4-40G-I (IB) 40GBASE LR4 QSFP+ Industrial Transceiver for InfiniBand FDR10, Duplex LC, 10km over SMF 41.25Gbps 40G CAUI-4 10km QSFP-40G-PCxx (0.5M, 1M, 1.5M, 2M, 3M, 5M, 7M) 40GBASE Passive Copper Cable 40Gbps - 0.5, 1, 1.5, 2, 3, 5, 7 QSFP-40G-1SPCxxx (1M , 2M, 3M, 5M, 7M) 40GBASE QSFP+ to 1x10G SFP+ Passive Copper Cable 40Gbps - 1, 2, 3, 5, 7 QSFP-40G-ACxxx (1M, 3M, 5M, 7M, 10M) 40GBASE Active Copper Cable 40Gbps - 1, 3, 5, 7, 10 QSFP-40G-AOxx (1M, 2M, 3M, 5M, 7M, 10M, 15M, 20M, 25M, 30M, 50M) 40GBASE Active Optical Cable 40Gbps 40G CAUI-4 1, 2, 3, 5, 7, 10, 15, 20, 25, 30, 50 QSFP-40G-4SPCxxx (0.5M, 1M, 2M, 3M, 4M, 5M, 7M) 40GBASE QSFP+ to 4x10G SFP+ Passive Copper Cable 40Gbps - 0.5, 1, 2, 3, 4, 5, 7 QSFP-40G-4SACxxx (1M, 3M, 5M, 7M, 9M) 40GBASE QSFP+ to 4x10G SFP+ Active Copper Cable 40Gbps - 1, 3, 5, 7, 9 QSFP-40G-4SAOxxx (1M, 2M, 3M, 5M, 7M, 10M, 15M, 20M, 25M, 30M) 40GBASE QSFP+ to 4x10G SFP+ Active Optical Cable 40Gbps 40G CAUI-4 1, 2, 3, 5, 7, 10, 15, 20, 25, 30 QSFP-40G-4LCAOxxxQSFP -40G-4LCAOxxx (5M, 10M, 15M, 20M, 30M) 40GBASE QSFP+ to 4 Duplex LC Active Optical Cable 40Gbps 40G CAUI-4 5, 10, 15, 20, 30 QSFP-40G-PCxx (IB) (0.5M, 1M, 1.5M, 2M, 3M, 4M, 5M) 40GBASE QSFP+ Passive Copper Cable for InfiniBand FDR10 40Gbps - 0.5, 1, 1.5, 2, 3, 4, 5 QSFP-40G-AOxx (IB) (1M, 3M, 5M, 7M, 10M, 15M, 20M, 25M, 30M, 50M, 100M) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10 40Gbps 40G CAUI-4 1, 3, 5, 7, 10, 15, 20, 25, 30, 50, 100 Table 3 shows the key optical characteristics for the 40G QSFP+ modules. Table 3. Optical specifications Product Description Transmit Power (dBm) per lane Receive Power (dBm) per lane Transmit and Receive Wavelength (nm) Minimum Maximum Minimum Maximum QSFP-SR4-40G 40GBASE SR4 QSFP+ Transceiver, MTP/MPO, 150m over MMF -7.1 -1 -10.3 2.4 850 QSFP-BIDI-40G 40GBASE SWDM4 BIDI QSFP+ Transceiver, Duplex LC, 300m over MMF -7.5 3 -9 3 850 QSFP-CSR4-40G 40GBASE CSR4 QSFP+ Transceiver, MTP/MPO, 400m over MMF -7.5 0 -9.9 2.4 850 QSFP-PLR4L-40G 40GBASE PLRL4 QSFP+ Transceiver, MTP/MPO, 2km over SMF -5.5 2 -12.5 2.3 1310 QSFP-LX4-40G 40GBASE LX4 QSFP+ Transceiver, Duplex LC, 2km over SMF -7（MMF) -10 (SMF) 4.3 (MMF) 2.3 (SMF) -10 (MMF) -13.7 (SMF) 4.3(MMF) 2.3(SMF) 1310 QSFP-LR4L-40G 40GBASE LR4L QSFP+ Transceiver, Duplex LC, 2km over SMF -7 2.3 -11.5 2.3 1310 QSFP-LR4-40G 40GBASE LR4 QSFP+ Transceiver, Duplex LC, 10km over SMF -7 2.3 -11.5 2.3 1310 QSFP-LR4-40G-I 40GBASE LR4 QSFP+ Industrial Transceiver, Duplex LC, 10km over SMF -7 2.3 -13.7 2.3 1310 QSFP-PLR4-40G 40GBASE PLR4 QSFP+ Transceiver, MTP/MPO, 10km over SMF -5.5 2 -12.5 2.3 1310 QSFP-ELR4-40G 40GBASE LR4 QSFP+ Transceiver, Duplex LC, 20km over SMF -4.5 2.3 -13.7 2.3 1310 QSFP-ER4-40G 40GBASE ER4 QSFP+ Transceiver, Duplex LC, 40km over SMF -2.7 4.5 -21.2 -4.5 1310 QSFP-SR4-40G (IB) 40GBASE SR4 QSFP+ Transceiver for InfiniBand FDR10, MTP/MPO, 150m over MMF -7.6 1 -11.1 2.4 850 QSFP-CSR4-40G (IB) 40GBASE CSR4 QSFP+ Transceiver for InfiniBand FDR10, MTP/MPO, 400m over MMF -7.5 0 -9.9 2.4 850 QSFP-LR4-40G (IB) 40GBASE LR4 QSFP+ Transceiver for InfiniBand FDR10, Duplex LC, 10km over SMF -7 2.3 -11.5 2.3 1310 QSFP-LR4-40G-I (IB) 40GBASE LR4 QSFP+ Industrial Transceiver for InfiniBand FDR10, Duplex LC, 10km over SMF -7 2.3 -13.7 2.3 1310 QSFP-ZR4-40G 40GBASE ZR4 QSFP+ Transceiver , Duplex LC, 80km over SMF 1 6 -25 -8 -1310 QSFP-SR4-40G-I 40GBASE LR4 QSFP+ Industrial Transceiver for InfiniBand FDR10, Duplex LC, 10km over SMF -7.6 2.4 -9.5 -- 850nm Table 4 shows the mechanical characteristics for the 40G QSFP+ cables. Table 4. Mechanical specifications 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 cables 72 g QSFP-40G-PC005 100 g QSFP-40G-PC01 260 g QSFP-40G-PC015 135 g QSFP-40G-PC02 205 g QSFP-40G-PC03 350 g QSFP-40G-PC05 680 g QSFP-40G-PC07 1548 g QSFP-40G-1SPC01 143 g QSFP-40G-1SPC02 182 g QSFP-40G-1SPC03 278 g QSFP-40G-1SPC05 383 g QSFP-40G-1SPC07 465 g QSFP-40G-4SPC005 200 g QSFP-40G-4SPC01 430 g QSFP-40G-4SPC02 520 g QSFP-40G-4SPC03 650 g QSFP-40G-4SPC04 850 g QSFP-40G-4SPC05 1000 g QSFP-40G-4SPC07 1500 g QSFP-40G-PC005 (IB) 100 g Module weight (Max) QSFP-40G-PC01 (IB) 260 g QSFP-40G-PC015 (IB) 135 g QSFP-40G-PC02 (IB) 205 g QSFP-40G-PC03 (IB) 350 g QSFP-40G-PC04 (IB) 500 g QSFP-40G-PC05 (IB) 680 g QSFP-40G-AC01 260 g QSFP-40G-AC03 350 g QSFP-40G-AC05 680 g QSFP-40G-AC07 780 g QSFP-40G-AC10 1200 g QSFP-40G-AO01 150 g QSFP-40G-AO02 200 g QSFP-40G-AO03 200 g QSFP-40G-AO05 300 g QSFP-40G-AO07 350 g QSFP-40G-AO10 600 g QSFP-40G-AO15 900 g QSFP-40G-AO20 1200 g QSFP-40G-AO25 1300 g QSFP-40G-AO30 1500 g QSFP-40G-AO50 1700 g QSFP-40G-4SAC01 583 g Module weight (Max) QSFP-40G-4SAC03 599 g QSFP-40G-4SAC05 616 g QSFP-40G-4SAC07 632 g QSFP-40G-4SAC09 648 g QSFP-40G-4SAO01 200 g QSFP-40G-4SAO02 200 g QSFP-40G-4SAO03 300 g QSFP-40G-4SAO05 350 g QSFP-40G-4SAO07 500 g QSFP-40G-4SAO10 700 g QSFP-40G-4SAO15 750 g QSFP-40G-4SAO20 800 g QSFP-40G-4SAO25 900 g QSFP-40G-4SAO30 1000 g QSFP-40G-4LCAO05 700 g Q-8 LCAO10 900 g QSFP-40G-4LCAO15 1200 g QSFP-40G-4LCAO20 1450 g QSFP-40G-4LCAO30 1650 g QSFP-40G-AO01 (IB) 150 g QSFP-40G-AO03 (IB) 200 g QSFP-40G-AO05 (IB) 300 g QSFP-40G-AO07 (IB) 404 g QSFP-40G-AO10 (IB) 600 g Module weight (Max) QSFP-40G-AO15 (IB) 900 g QSFP-40G-AO20 (IB) 1200 g QSFP-40G-AO25 (IB) 1300 g QSFP-40G-AO30 (IB) 1400 g QSFP-40G-AO50 (IB) 1700 g QSFP-40G-AO100 (IB) 3400 g QSFP+ 40G module operation temperature Commercial: 0 to 70°C (32 to 158°F) Industrial: -40 to 85°C (-40 to 185°F) Active optical cable 0 to 70°C (32 to 158°F) Copper cable operation temperature 0 to 70°C (32 to 158°F) Storage temperature -40 to 85°C (-40 to 185°F) 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 QSFP+ 40G modules and related cables. Table 5. Ordering information Part number Description QSFP+ optics modules QSFP-4×10G-SR 40GBASE SR4 QSFP+ Transceiver, MTP/MPO, 150m over MMF, Breakout to 4 x 10G-SR QSFP-SR4-40G 40GBASE SR4 QSFP+ Transceiver, MTP/MPO, 150m over MMF QSFP-BIDI-40G 40GBASE SWDM4 BIDI QSFP+ Transceiver, Duplex LC, 300m over MMF QSFP-CSR4-40G 40GBASE CSR4 QSFP+ Transceiver, MTP/MPO, 400m over MMF QSFP-PLR4L-40G 40GBASE PLRL4 QSFP+ Transceiver, MTP/MPO, 2km over SMF QSFP-LX4-40G 40GBASE LX4 QSFP+ Transceiver, Duplex LC, 2km over SMF QSFP-LR4L-40G 40GBASE LR4L QSFP+ Transceiver, Duplex LC, 2km over SMF QSFP-LR4-40G 40GBASE LR4 QSFP+ Transceiver, Duplex LC, 10km over SMF QSFP-LR4-40G-I 40GBASE LR4 QSFP+ Industrial Transceiver, Duplex LC, 10km over SMF QSFP-PLR4-40G 40GBASE PLR4 QSFP+ Transceiver, MTP/MPO, 10km over SMF QSFP-ELR4-40G 40GBASE LR4 QSFP+ Transceiver, Duplex LC, 20km over SMF QSFP-ER4-40G 40GBASE ER4 QSFP+ Transceiver, Duplex LC, 40km over SMF QSFP-SR4-40G (IB) 40GBASE SR4 QSFP+ Transceiver for InfiniBand FDR10, MTP/MPO, 150m over MMF QSFP-CSR4-40G (IB) 40GBASE CSR4 QSFP+ Transceiver for InfiniBand FDR10, MTP/MPO, 400m over MMF QSFP-LR4-40G (IB) 40GBASE LR4 QSFP+ Transceiver for InfiniBand FDR10, Duplex LC, 10km over SMF QSFP-LR4-40G-I (IB) 40GBASE LR4 QSFP+ Industrial Transceiver for InfiniBand FDR10, Duplex LC, 10km over SMF QSFP-ZR4-40G 40GBASE ZR4 QSFP+ Transceiver, Duplex LC, 80km over SMF QSFP-SR4-40G-I 40GBASE SR4 QSFP+ Industrial Transceiver, MTP/MPO, 150m over MMF QSFP+ direct-attach copper cables QSFP-40G-PC005 40GBASE QSFP+ Passive Copper Cable, 0.5-meter QSFP-40G-PC01 40GBASE QSFP+ Passive Copper Cable, 1-meter QSFP-40G-PC015 40GBASE QSFP+ Passive Copper Cable, 1.5-meter QSFP-40G-PC02 40GBASE QSFP+ Passive Copper Cable, 2-meter QSFP-40G-PC03 40GBASE QSFP+ Passive Copper Cable, 3-meter QSFP-40G-PC05 40GBASE QSFP+ Passive Copper Cable, 5-meter QSFP-40G-PC07 40GBASE QSFP+ Passive Copper Cable, 7-meter QSFP-40G-1SPC01 40G QSFP+ to 1x10G SFP+ Passive Copper Cable, 1-meter QSFP-40G-1SPC02 40G QSFP+ to 1x10G SFP+ Passive Copper Cable, 2-meter QSFP-40G-1SPC03 40G QSFP+ to 1x10G SFP+ Passive Copper Cable, 3-meter QSFP-40G-1SPC05 40G QSFP+ to 1x10G SFP+ Passive Copper Cable, 5-meter QSFP-40G-1SPC07 40G QSFP+ to 1x10G SFP+ Passive Copper Cable, 7-meter QSFP-40G-4SPC005 40G QSFP+ to 4 x 10G SFP+ Passive Copper Breakout Cable, 0.5-meter QSFP-40G-4SPC01 40G QSFP+ to 4 x 10G SFP+ Passive Copper Breakout Cable, 1-meter QSFP-40G-4SPC02 40G QSFP+ to 4 x 10G SFP+ Passive Copper Breakout Cable, 2-meter QSFP-40G-4SPC03 40G QSFP+ to 4 x 10G SFP+ Passive Copper Breakout Cable, 3-meter QSFP-40G-4SPC04 40G QSFP+ to 4 x 10G SFP+ Passive Copper Breakout Cable, 4-meter QSFP-40G-4SPC05 40G QSFP+ to 4 x 10G SFP+ Passive Copper Breakout Cable, 5-meter QSFP-40G-4SPC07 40G QSFP+ to 4 x 10G SFP+ Passive Copper Breakout Cable, 7-meter QSFP-40G-PC005 (IB) 40GBASE QSFP+ Passive Copper Cable for InfiniBand FDR10, 0.5-meter QSFP-40G-PC01 (IB) 40GBASE QSFP+ Passive Copper Cable for InfiniBand FDR10, 1-meter QSFP-40G-PC015 (IB) 40GBASE QSFP+ Passive Copper Cable for InfiniBand FDR10, 1.5-meter QSFP-40G-PC02 (IB) 40GBASE QSFP+ Passive Copper Cable for InfiniBand FDR10, 2-meter QSFP-40G-PC03 (IB) 40GBASE QSFP+ Passive Copper Cable for InfiniBand FDR10, 3-meter QSFP-40G-PC04 (IB) 40GBASE QSFP+ Passive Copper Cable for InfiniBand FDR10, 4-meter QSFP-40G-PC05 (IB) 40GBASE QSFP+ Passive Copper Cable for InfiniBand FDR10, 5-meter QSFP+ active optical cables QSFP-40G-AC01 40GBASE QSFP+ Active Copper Cable, 1-meter QSFP-40G-AC03 40GBASE QSFP+ Active Copper Cable, 3-meter QSFP-40G-AC05 40GBASE QSFP+ Active Copper Cable, 5-meter QSFP-40G-AC07 40GBASE QSFP+ Active Copper Cable, 7-meter QSFP-40G-AC10 40GBASE QSFP+ Active Copper Cable, 10-meter QSFP-40G-AO01 40GBASE QSFP+ Active Optical Cable, 1-meter QSFP-40G-AO02 40GBASE QSFP+ Active Optical Cable, 2-meter QSFP-40G-AO03 40GBASE QSFP+ Active Optical Cable, 3-meter QSFP-40G-AO05 40GBASE QSFP+ Active Optical Cable, 5-meter QSFP-40G-AO07 40GBASE QSFP+ Active Optical Cable, 7-meter QSFP-40G-AO10 40GBASE QSFP+ Active Optical Cable, 10-meter QSFP-40G-AO15 40GBASE QSFP+ Active Optical Cable, 15-meter QSFP-40G-AO20 40GBASE QSFP+ Active Optical Cable, 20-meter QSFP-40G-AO25 40GBASE QSFP+ Active Optical Cable, 25-meter QSFP-40G-AO30 40GBASE QSFP+ Active Optical Cable, 30-meter QSFP-40G-AO50 40GBASE QSFP+ Active Optical Cable, 50-meter QSFP-40G-4SAC01 40G QSFP+ to 4 x 10G SFP+ Active Copper Breakout Cable, 1-meter QSFP-40G-4SAC03 40G QSFP+ to 4 x 10G SFP+ Active Copper Breakout Cable, 3-meter QSFP-40G-4SAC05 40G QSFP+ to 4 x 10G SFP+ Active Copper Breakout Cable, 5-meter QSFP-40G-4SAC07 40G QSFP+ to 4 x 10G SFP+ Active Copper Breakout Cable, 7-meter QSFP-40G-4SAC09 40G QSFP+ to 4 x 10G SFP+ Active Copper Breakout Cable, 9-meter QSFP-40G-4SAO01 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 1-meter QSFP-40G-4SAO02 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 2-meter QSFP-40G-4SAO03 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 3-meter QSFP-40G-4SAO05 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 5-meter QSFP-40G-4SAO07 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 7-meter QSFP-40G-4SAO10 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 10-meter QSFP-40G-4SAO15 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 15-meter QSFP-40G-4SAO20 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 20-meter QSFP-40G-4SAO25 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 25-meter QSFP-40G-4SAO30 40G QSFP+ to 4 x 10G SFP+ Active Optical Cable, 30-meter QSFP-40G-4LCAO05 40G QSFP+ to 4 Duplex LC Active Optical Cable, 5-meter QSFP-40G-4LCAO10 40G QSFP+ to 4 Duplex LC Active Optical Cable, 10-meter QSFP-40G-4LCAO15 40G QSFP+ to 4 Duplex LC Active Optical Cable, 15-meter QSFP-40G-4LCAO20 40G QSFP+ to 4 Duplex LC Active Optical Cable, 20-meter QSFP-40G-4LCAO30 40G QSFP+ to 4 Duplex LC Active Optical Cable, 30-meter QSFP-40G-AO01 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 1-meter QSFP-40G-AO03 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 3-meter QSFP-40G-AO05 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 5-meter QSFP-40G-AO07 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 7-meter QSFP-40G-AO10 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 10-meter QSFP-40G-AO15 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 15-meter QSFP-40G-AO20 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 20-meter QSFP-40G-AO25 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 25-meter QSFP-40G-AO30 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 30-meter QSFP-40G-AO50 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 50-meter QSFP-40G-AO100 (IB) 40GBASE QSFP+ Active Optical Cable for InfiniBand FDR10, 100-meter Regulatory and standards compliance Standards • SFF-8636 :QSFP+ 4×10Gb/s Pluggable Transceiver • SFF-8436: QSFP+ 4×10Gb/s Pluggable Transceiver • IEEE 802.3ae Amendment of IEEE Std 802.3ae-2002 • IEEE 802.3ba Amendment of IEEE Std 802.3-2008 • IEEE 802.3bm 40GBASE-ER4 • IEEE 802.3 40GBASE-SR4 • OTN OTU3 C4S1-2D1 • RoHS-6 Directive 2011/65/EU • Infiniband QDR (SR4) Safety • IEC60825-1 Class 1 laser safety compliant • Class B EMC, IEC 61000-4-2 Anti Electro-Static Discharge and IEC61000-4-3 Radiation Resistant Table 6. Laser class for the QSFP+ 40G optical modules Product Laser class QSFP-4×10G-SR 1 QSFP-SR4-40G 1 QSFP-CSR4-40G 1 QSFP-PLR4L-40G 1 QSFP-LX4-40G 1 QSFP-LR4L-40G 1 QSFP-LR4-40G 1 QSFP-LR4-40G-I 1 QSFP-PLR4-40G 1 QSFP-ELR4-40G 1 QSFP-ER4-40G 1 QSFP-SR4-40G (IB) 1 QSFP-CSR4-40G (IB) 1 QSFP-LR4-40G (IB) 1 QSFP-LR4-40G-I (IB) 1 Additional information For more information about 40GBASE QSFP+ optics and copper modules, contact your account manager or visit https://www.fs.com/c/fiber-optic-transceivers-9 Document history New or revised topic Described in Date 40GBASE QSFP+ 40G Modules Data Sheet Updated all 12/3/2022 40GBASE QSFP+ 40G Modules Data Sheet Updated all 17/5/2025

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