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Cisco QSFP-40G-SR4 40GBASE QSFP module, 40GBASE-SR4, 4 lanes, 850 nm MMF
Features and Benefits of Cisco QSFP Modules
●Hot-swappable input/output device that plugs into a 40 Gigabit Ethernet Cisco QSFP port
●Interoperable with other IEEE-compliant 40GBASE interfaces where applicable
●Certified and tested on Cisco QSFP 40G ports for superior performance, quality, and reliability
●High-speed electrical interface compliant to the IEEE 802.3ba standard
●QSFP Form factor, 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF 8436 and QSFP Multisource Agreement (MSA)
The Cisco 40GBASE-SR4 QSFP Modules support link lengths of 100 meters and 150 meters, respectively, on laser-optimized OM3 and OM4 multimode fibers. It primarily enables high-bandwidth 40G optical links over 12-fiber parallel fiber terminated with MPO/MTP multifiber female connectors. It can also be used in a 4x10G breakout mode for interoperability with 10GBASE-SR interfaces up to 100 and 150 meters on OM3 and OM4 fibers, respectively. The worry-free 4x10G mode operation is enabled by the optimization of the transmit and receive optical characteristics of the Cisco QSFP-40G-SR4 to prevent receiver overload or unnecessary triggering of alarm thresholds on the 10GBASE-SR receiver, and at the same time is completely interoperable with all standard 40GBASE-SR4 interfaces.
The 4x10G connectivity is achieved using an external 12-fiber parallel to 2-fiber duplex breakout cable, which connects the 40GBASE-SR4 module to four 10GBASE-SR optical interfaces. Cisco QSFP-40G-SR4 is optimized to guarantee interoperability with any IEEE 40GBASE-SR4 and 10GBASE-SR (in 4x10G mode).
QSFP Port Cabling Specifications
| Cisco QSFP | Wavelength (nm) | Cable Type | Core Size (Microns) | Modal Bandwidth (MHz*km)*3 | Cable Distance*1 | Power Consumption (W) | Pull Tab Color |
| Cisco QSFP-40G-SR4-S | 850 | MMF | 50.0 50.0 | 2000 (OM3) 4700 (OM4) | 100m 150m*2 | 1.5 | Beige |
| Cisco QSFP-40G-LR4-S | 1310 | SMF | G.652 | - | 10km | 3.5 | Blue |
| Cisco QSFP-40G-SR-BD | 832 - 918 | MMF | 50.0 50.0 50.0 | 500 (OM2) 2000 (OM3) 4700 (OM4) | 30m 100m 150m*2 | 3.5 | Gray |
| Cisco QSFP-40G-BD-RX | 832 - 918 | MMF | 50.0 50.0 50.0 | 500 (OM2) 2000 (OM3) 4700 (OM4) | 30m 100m 150m*2 | 3.5 | Beige (or Gray with “Rx” mark) |
| QSFP-40G-SR4 | 850 | MMF | 50.0 50.0 50.0 | 500 (OM2) 2000 (OM3) 4700 (OM4) | 30m 100m 150m*2 | 1.5 | Beige |
| FET-40G | 850 | MMF | 50.0 50.0 50.0 | 500 (OM2) 2000 (OM3) 4700 (OM4) | 30m 100m 150m*2 | 1.5 | Brown |
| QSFP-40G-CSR4 | 850 | MMF | 50.0 50.0 50.0 | 500 (OM2) 2000 (OM3) 4700 (OM4) | 82m 300m 400m | 1.5 | Orange |
| QSFP-40G-LR4 | 1310 | SMF | G.652 | - | 10km | 3.5 | Blue |
| WSP-Q40GLR4L | 1310 | SMF | G.652 | - | 2km | 3.5 | Yellow |
| QSFP-40G-ER4 | 1310 | SMF | G.652 | - | 40km*4 | 3.5 | Red |
| QSFP-4X10G-LR-S | 1310 | SMF | G.652 | - | 10km | 3.5 | Blue |
| QSFP-4SFP10G-CU0-5 | - | Direct-attach copper cable assembly | - | - | 0.5m | 1.5 | Beige |
| QSFP-4SFP10G-CU1M | - | - | - | 1m | Beige | ||
| QSFP-4SFP10G-CU2M | - | - | - | 2m | Brown | ||
| QSFP-4SFP10G-CU3M | - | - | - | 3m | Orange | ||
| QSFP-4SFP10G-CU4M | - | - | - | 4m | Orange | ||
| QSFP-4SFP10G-CU5M | - | - | - | 5m | Gray | ||
| QSFP-4X10G-AC7M | - | - | - | 7m | Blue | ||
| QSFP-4X10G-AC10M | - | - | - | 10m | Red | ||
| QSFP-H40G-CU0-5M | 0.5m | Beige | |||||
| QSFP-H40G-CU1M | - | - | - | 1m | Beige | ||
| QSFP-H40G-CU2M | - | - | - | 2m | Brown | ||
| QSFP-H40G-CU3M | - | - | - | 3m | Orange | ||
| QSFP-H40G-CU4M | - | - | - | 4m | Orange | ||
| QSFP-H40G-CU5M | - | - | - | 5m | Gray | ||
| QSFP-H40G-ACU7M | - | - | - | 7m | Blue | ||
| QSFP-H40G-ACU10M | - | - | - | 10m | Red | ||
| QSFP-4X10G-AOC1M | - | Active optical cable assembly | - | - | 1m | 1.5 | Beige |
| QSFP-4X10G-AOC2M | - | - | - | 2m | Brown | ||
| QSFP-4X10G-AOC3M | - | - | - | 3m | Orange | ||
| QSFP-4X10G-AOC5M | - | - | - | 5m | Gray | ||
| QSFP-4X10G-AOC7M | - | - | - | 7m | Blue | ||
| QSFP-4X10G-AOC10M | - | - | - | 10m | Red | ||
| QSFP-H40G-AOC1M | - | - | - | 1m | Beige | ||
| QSFP-H40G-AOC2M | - | - | - | 2m | Brown | ||
| QSFP-H40G-AOC3M | - | - | - | 3m | Orange | ||
| QSFP-H40G-AOC5M | - | - | - | 5m | Gray | ||
| QSFP-H40G-AOC7M | - | - | - | 7m | Blue | ||
| QSFP-H40G-AOC10M | - | - | - | 10m | Red | ||
| QSFP-H40G-AOC15M | - | - | - | 15m | Black | ||
| QSFP-H40G-AOC20M | - | - | - | 20m | Green | ||
| QSFP-H40G-AOC25M | - | - | - | 25m | Green | ||
| QSFP-H40G-AOC30M | - | - | - | 30m | Green | ||
| CVR-QSFP-SFP10G | - | Adapter | - | - | - | - | - |
Note:All Cisco QSFP modules and cables exceed IEEE specifications, guaranteeing a link bit-error rate (BER) better than 1E-15 with some exceptions:
●QSFP-40G-SR-BD guarantees a link BER of 1E-12 when supporting 150m on OM4 fiber.
●QSFP-40G-CSR4 complies with IEEE specifications, guaranteeing a link BER better than 1E-12.
●QSFP-40G-ER4 complies with IEEE/OTU3 specifications, is guaranteed up to BER 1E-12.
