Compare Cisco optics modules for access, aggregation, data center, service provider, and routed optical links where speed, form factor, reach, fiber plant, breakout design, coherent transport, DOM telemetry, and platform support determine fit. Review SFP, SFP+, SFP28, QSFP, QSFP28, QSFP-DD, OSFP, DAC, AOC, 400G, 800G, and ZR/ZR+ options by Cisco device and software release.
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16G FC Longwave SFP+ – LC SMF – 10km Reach
16G FC Shortwave SFP+ – LC MMF – 125m OM4
32G FC Longwave SFP+ – LC SMF – 10km Reach
32G FC Shortwave SFP+ – LC MMF – 100m OM4
8G FC Longwave SFP+ – LC SMF – 10km Reach
8G FC Shortwave SFP+ – LC MMF – 190m OM4/OM5
1000BASE-EX SFP – 40km SMF – DOM
1000BASE-LX/LH SFP – 10km SMF / 550m MMF – DOM
1000BASE-SX SFP – MMF 850nm – DOM
1000BASE-T SFP – RJ-45 Cat5 Copper – 100m Reach
1000BASE-ZX SFP – 70km SMF – EXT DOM
400G QSFP-DD DAC – 3m Passive Copper – Direct Link
Cisco Optics Modules provide pluggable connectivity for campus uplinks, data center fabrics, router ports, firewall links, service provider circuits, and high-speed interconnects. They cover short-reach, long-reach, breakout, DAC, AOC, coherent, and high-bandwidth Ethernet designs.
Choose by matching Cisco device, port form factor, Ethernet speed, fiber type, reach, wavelength, connector, temperature range, breakout requirement, optical budget, software release, and the Cisco compatibility matrix entry for that exact transceiver.
These form factors support different port generations and densities. SFP-family modules cover lower-speed single-lane links, while QSFP, QSFP-DD, and OSFP families support higher-speed 40G, 100G, 400G, 800G, and breakout designs.
Use QSFP-DD or OSFP optics when the platform requires very high bandwidth, such as 400G or 800G uplinks, spine-leaf interconnects, or dense router ports. Confirm port support, thermal limits, optics type, and software release.
The Cisco Optics Compatibility Matrix confirms whether a transceiver is supported in a specific Cisco switch, router, line card, or module. It is especially important for high-speed optics, breakout cables, newer releases, and older installed platforms.
Cisco coherent optics such as ZR and ZR+ are used for longer-reach high-speed optical transport between data centers, metros, or service provider networks. Buyers should verify platform support, distance, fiber design, and operational model.
Use DAC for short low-cost rack connections, AOC for lightweight short-to-medium runs, and pluggable optics for structured fiber, longer distances, mixed platforms, or service-provider handoffs. Cable length and platform support decide the best option.
Breakout optics split one high-speed port into multiple lower-speed links, such as 100G to 4x25G or 400G to 4x100G. Verify breakout mode, cable type, lane mapping, optics support, and switch software before ordering.
Common causes include unsupported transceiver SKUs, dirty fiber, wrong polarity, insufficient optical power, mismatched speed, incorrect reach, unsupported breakout configuration, thermal issues, old software, or using a transceiver not validated for the device.
Verify device model, line card, port form factor, optic SKU, speed, reach, connector, fiber type, wavelength, breakout mode, coherent requirement, thermal limits, software release, compatibility matrix status, warranty, condition, and lead time before purchasing.
Cisco Optics Modules are usually purchased when a switch or router deployment needs the right transceiver for speed, distance, fiber type, and interface compatibility. This category brings together Cisco optical modules for data center, campus, WAN, and high-speed network expansion projects, including options across SFP, SFP+, QSFP, and newer high-bandwidth form factors. It is most useful for buyers who need to compare optics by application, confirm compatibility with existing Cisco platforms, and request pricing, availability, and lead time before ordering.
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