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Product Overview
The Cisco 100GBASE Quad Small Form-Factor Pluggable (QSFP) portfolio offers customers a wide variety of high-density and low-power 100 Gigabit Ethernet connectivity options for data center, high-performance computing networks, enterprise core and distribution layers, and service provider applications. The QSFP-100G modules are our latest generation of 100G transceiver modules solution based on a QSFP form factor.

Cisco QSFP-100G-SR4-S
The Cisco 100GBASE-SR4-S QSFP Module supports link lengths of up to 70m over OM3 and 100m over OM4 Multimode Fiber with MPO connectors. It primarily enables high-bandwidth 100G optical links over 12-fiber parallel fiber terminated with MPO multifiber connectors. QSFP-100G-SR4-S supports 100GBase Ethernet rate.

Cisco QSFP-100G-SL4
The Cisco 100GBASE-SL4 Short Link QSFP Module supports link lengths of up to 20m over OM3 and 30m over OM4 Multimode Fiber with MPO connectors. It primarily enables high-bandwidth 100G optical links over 12-fiber parallel fiber terminated with MPO multifiber connectors. QSFP-100G-SL supports 100GBase Ethernet rate.

Cisco QSFP-100G-SR1.2
The Cisco QSFP 100-Gb SR1.2 Bi-Directional (BiDi) transceiver is a pluggable optical transceiver with a duplex LC connector interface for short-reach data communication and interconnect applications using Multi-Mode Fiber (MMF).

The Cisco QSFP 100-Gbps SR1.2 BiDi transceiver supports link lengths of 70, 100 and 150 meters on laser-optimized OM3, OM4 and OM5 multimode fibers. The Cisco QSFP 100-Gbps SR1.2 BiDi offers customers a compelling solution that enables reuse of their existing 10/40 or 100Gb duplex MMF infrastructure for migration to 400 Gigabit Ethernet connectivity.

The Cisco QSFP 100-Gbps SR1.2 BiDi transceiver supports connectivity to 400 Gbps in a 4 x 100G breakout mode.

Each Cisco QSFP 100-Gbps SR1.2 BiDi transceiver consists of two transmit and receive channels in the 832-918 nanometer wavelength range, enabling an aggregated 100-Gbps link over a two-strand multimode fiber connection.

Cisco QSFP-40/100-SRBD
The Cisco QSFP 40/100 Gb dual-rate Bi-Directional (BiDi) transceiver is a pluggable optical transceiver with a duplex LC connector interface for short-reach data communication and interconnect applications using Multi-Mode Fiber (MMF). It offers customers a compelling solution that enables reuse of their existing 10 Gb duplex MMF infrastructure for migration to either 40 or 100 Gigabit Ethernet connectivity.

In 40-Gbps mode, the Cisco QSFP 40/100-Gbps BiDi transceiver supports link lengths of 100 and 150 meters on laser-optimized OM3 and OM4 multimode fibers, respectively. In 100-Gbps mode, it supports 70 and 100 meters on OM3 and OM4, respectively.

Each Cisco QSFP 40/100-Gbps BiDi transceiver consists of two transmit and receive channels in the 832-918 nanometer wavelength range, enabling an aggregated 40 or 100-Gbps link over a two-strand multimode fiber connection.

Cisco QSFP-100G-PSM4-S
The Cisco QSFP-100G-PSM4-S Module supports link lengths of up to 500 meters over SMF with MPO connectors. The 100 Gigabit Ethernet signal is carried over 12-fiber parallel fiber terminated with MPO multifiber connectors.

Cisco QSFP-100G-DR-S
The Cisco QSFP-100G-DR-S Module supports link lengths of up to 500 m over a standard pair of G.652 Single-Mode Fiber (SMF) with duplex LC connectors. The 100 Gigabit Ethernet signal is carried over a single wavelength using onboard PAM4 modulation and FEC. QSFP-100G-DR-S interoperates with 400G transceivers that comply with IEEE 400GBASE-DR4, such as Cisco's QSFP-400G-DR4-S, via fiber break-out cables.

Cisco QSFP-100G-FR-S
The Cisco QSFP-100G-FR-S Module supports link lengths of up to 2 km over a standard pair of G.652 Single-Mode Fiber (SMF) with duplex LC connectors. The 100 Gigabit Ethernet signal is carried over a single wavelength using onboard PAM4 modulation and FEC. QSFP-100G-FR-S can also be used in applications meant for IEEE 100GBASE-DR, such as interoperability with IEEE 400GBASE-DR4 via fiber break-out cables.

Cisco QSFP-100G-CWDM4-S
The Cisco QSFP-100G-CWDM4-S Module supports link lengths of up to 2 km over a standard pair of G.652 Single-Mode Fiber (SMF) with duplex LC connectors. The 100 Gigabit Ethernet signal is carried over four wavelengths. Multiplexing and demultiplexing of the four wavelengths are managed within the device.

Cisco QSFP-100G-SM-SR
The Cisco QSFP-100G-SM-SR QSFP module supports link lengths of up to 2 kilometers over a standard pair of G.652 Single-Mode Fiber (SMF) with duplex LC connectors. The 100 Gigabit Ethernet signal is carried over four wavelengths. Multiplexing and demultiplexing of the four wavelengths are managed within the device. The operating temperature range is from +10 to +60°C with an optical link budget of 4.2 decibels. This 4.2-decibel link budget offers the ability to support the loss from patch panels in the link in a data center environment. QSFP 100G SM-SR is interoperable with QSFP-100G-CWDM4-S.

Cisco QSFP-100G-LR-S
The Cisco QSFP-100G-LR-S Module supports link lengths of up to 10 km over a standard pair of G.652 Single-Mode Fiber (SMF) with duplex LC connectors. The 100 Gigabit Ethernet signal is carried over a single wavelength using onboard PAM4 modulation and FEC.

Cisco QSFP-100G-LR4-S
The Cisco QSFP100 LR4 Module supports link lengths of up to 10km over a standard pair of G.652 single-mode fiber with duplex LC connectors. It complies with the IEEE 100GBASE-LR4 specification, which does not employ the use of FEC. QSFP-100G-LR4-S supports 100GBase Ethernet rate.

Cisco QSFP-100G-LR4-I
The Cisco QSFP100 LR4 industrial temperature Module supports link lengths of up to 10km over a standard pair of G.652 single-mode fiber with duplex LC connectors. It complies with the IEEE 100GBASE-LR4 specification, which does not employ the use of FEC. QSFP-100G-LR4-I supports 100GBase Ethernet rate within an industrial temperature range.

Cisco QSFP-100G-ERL-S
The Cisco QSFP-100G-ERL-S Module supports link lengths of up to 25 km over a standard pair of G.652 Single-Mode Fiber (SMF) with duplex LC connectors. The 100 Gigabit Ethernet signal is carried over a single wavelength using onboard PAM4 modulation and FEC. It complies with the 100G LR1-20 standard and interoperates with other transceivers meeting that standard up to 20km.

Cisco QSFP-100G-ER4L-S
The Cisco QSFP100 ER4-Lite supports link lengths of up to 40km over a standard pair of G.652 single-mode fiber with duplex LC connectors. The 100 Gigabit Ethernet signal is carried over four wavelengths. Multiplexing and demultiplexing of the four wavelengths are managed within the device. Full 40km reach requires the use of FEC on the host platform. Without FEC, the reach is 30km. The QSFP100 ER4-Lite provides backward compatibility with Cisco’s CPAK ER4-Lite, whose reach is up to 25km, and with IEEE 100GBASE-ER4 standardized transceivers, such as Cisco’s CFP 100G ER4, up to 30km. It also interoperates with Cisco’s QSFP100 and CPAK IEEE 100GBASE-LR4 modules up to 10km.

Cisco QSFP-100G-B20U4-I and QSFP-100G-B20D4-I
The Cisco QSFP100 20km Bidirectional Pluggable Transceivers provide 100Gbps over single dedicated optical fiber on platforms at up to 20km on single SMF (Single Mode Fiber). The QSFP-100G-B20U4-I and QSFP-100G-B20D4-I operate in pairs, with one required at each end of the optical fiber. The QSFP-100G-B20U4-I and QSFP-100G-B20D4-I transceivers operate in the O-band where fiber optic dispersion is minimal and use traditional low-power NRZ (nonreturn to zero) modulation. The “4” in QSFP-100G-B20U4-I and QSFP-100G-B20D4-I refers to the number of transmitters and receivers used by each transceiver. The QSFP-100G-B20U4-I and QSFP-100G-B20D4-I transceivers require host-based RS-FEC (Reed Solomon Forward Error Correction) and provide DOM (digital optical monitoring).

Cisco QSFP-100G-4W40-I
The Cisco QSFP100 4W40-I supports link lengths of up to 40km over a standard pair of G.652 single-mode fiber with duplex LC connectors. The 100 Gigabit Ethernet signal is carried over four wavelengths. Multiplexing and demultiplexing of the four wavelengths are managed within the device. Full 40km reach requires the use of FEC on the host platform. Without FEC, the reach is 30km. The QSFP100 4W40-I provides backward compatibility with Cisco’s CPAK ER4-Lite, whose reach is up to 25km, and with IEEE 100GBASE-ER4 standardized transceivers, such as Cisco’s CFP 100G ER4, up to 30km. It also interoperates with Cisco’s QSFP100 and CPAK IEEE 100GBASE-LR4 modules up to 10km. The Cisco QSFP100 4W40-I supports industrial temperature range.

Cisco QSFP-100G-ZR4-S
The Cisco QSFP100 ZR4 supports link lengths of up to 80km^# over a standard pair of G.652 single-mode fiber with duplex LC connectors. The 100 Gigabit Ethernet signal is carried over four wavelengths. Multiplexing and demultiplexing of the four wavelengths are managed within the device. The module requires the use of FEC on the host platform.
^# depends upon fiber and connector loss.