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They are the same. The “QSFP” form factor was originally defined for <10G speeds. When it was adopted for 40G, the name became QSFP+ to denote the higher aggregate performance. The same “QSFP” form factor was later adopted for 100G but the electrical interface had to be upgraded to handle 25Gbps/lane. The electrical interface for 100G can handle up to 28Gbps, hence the engineering and industry name is QSFP28. JTOPTICS refers to the 100G form factor as “100G QSFP” to avoid any confusion.
The JTOPTICS QSFP-100G-ZR4 supports link distances up to 80km. A minimum of 12dB attenuation is required to prevent permanent damage to the receiver - refer to the optics datasheet for optical specs. The QSFP-100G-ZR4 is supported on a limited set of platforms – refer to the Transceiver and Cable Guide for supported platforms. The QSFP-100G-LR4 supports links up to 10km over duplex single mode fiber. Enabling FEC with QSFP-100G- LR4 optics on JTOPTICS switches can allow for links beyond 10km with single mode fiber.
Like the QSFP-100G-SWDM4 transceiver described above, the JTOPTICS QSFP-100G-SRBD transceiver also provides 100Gbs bandwidth over standard duplex multi-mode fiber. However, unlike the SWDM4 transceiver (which transmits 4 x 25Gbps wavelengths out of the Tx port, and receives 4 x 25Gbps wavelengths on the Rx port), each optical port on the SRBD contains both a transmitter and receiver, running at full duplex 50Gb/s over a single fiber. The two ports of the QSFP-100G-SRBD provide an aggregate 100Gb/s of bandwidth. The QSFP- 100G-SRBD is supported on all JTOPTICS QSFP 100G ports, and can be used for links up to 70m of OM3 or up to 100m of OM4 multi-mode fiber.
No. The 100G QSFP form factor has just 4 electrical lanes, which is not enough to support 10 lanes of 10G electrical interface. A 100G QSFP can only support a 4x10G or 4x25G electrical interface, which can be used as 4x10GbE or 4x25GbE, but not 10x 10GbE.. As a result the 100G QSFP SR4 cannot interoperate with SR10 based 100GbE transceivers. A complex design with a reverse gearbox (4x25G to 10x10G) can achieve this but results in expensive and power hungry optics.
Breakout mode refers to running a 100G port as 4 separate channels of 25GE. Transceivers or copper cables that enable optical or electrical breakout allow one 100G QSFP100 port to connect to four physically separate 25G links. When breaking out a single 100G port to 4x 25G links, care must be taken to use the same Forward Error Correction (FEC) mode on both ends of the link to ensure link-up. JTOPTICS transceivers and copper cables that support 100G to 4x25G breakout are listed below.
The 100G-DR/FR/LR transceivers can be plugged into any JTOPTICS 100G QSFP port. The electrical connector interface is 4 x 25G NRZ – the same as all existing ‘legacy’ 100G QSFP modules. The optical output is a single wavelength (or “lambda”) 100Gbit/s PAM-4 optical signal. The 100G-DR/FR/LR modules include a gearbox chip to convert the 4 x 25G NRZ electrical signals to a 1 x 100G PAM-4 optical signal. This is in contrast to legacy QSFP100 modules (such as a CWDM4 or LR4 100G module), which have 4 x 25G NRZ optical wavelengths multiplexed onto one fiber.
100G QSFP28 transceivers are high-speed, compact optical transceivers designed for data centers, enterprise networks, and high-performance computing environments. These transceivers support data rates up to 100 Gigabits per second (Gbps) and are commonly used for high-density 100G Ethernet and InfiniBand applications.
The Arista AOC-Q-Q-100G is a 100G Active Optical Cable (AOC) designed for connecting QSFP28 ports using OM3 multimode fiber. This high-performance cable supports data rates of up to 100Gbps, making it ideal for high-speed data transmission in data centers, cloud computing environments, and other bandwidth-intensive applications. The active optical design ensures superior signal integrity, low latency, and reduced power consumption compared to traditional copper cables, providing reliable performance in high-density setups. The AOC-Q-Q-100G offers efficient and scalable connectivity, facilitating seamless integration within modern networking infrastructures that demand robust and high-performance solutions...
The Cisco QSFP-100G-AOC is a 100G Active Optical Cable (AOC) designed for high-performance connectivity between QSFP28 ports utilizing OM3 multimode fiber. This cable supports data transmission rates of up to 100Gbps, making it ideal for data centers, cloud computing, and other bandwidth-intensive applications. With its active optical design, the QSFP-100G-AOC ensures superior signal integrity, low latency, and reduced power consumption compared to traditional copper cables. This cable provides reliable and scalable connectivity, facilitating seamless integration within modern network infrastructures that require efficient and robust data transfer capabilities for demanding workloads...
The Dell 470-ABPM is a 100G Active Optical Cable (AOC) designed for connecting QSFP28 ports using OM3 multimode fiber. Supporting data rates of up to 100Gbps, this cable is ideal for high-speed data transmission in data centers, cloud environments, and high-performance computing applications. Its active optical design enhances signal integrity, minimizes latency, and reduces power consumption compared to traditional copper alternatives, ensuring reliable performance in high-density setups. The 470-ABPM provides efficient and scalable connectivity, making it an excellent choice for modern network infrastructures that demand robust performance and seamless integration for bandwidth-intensive workloads...
The HPE Aruba Q9S71A is a 100G Active Optical Cable (AOC) designed for connecting QSFP28 ports using OM3 multimode fiber. This high-performance cable supports data rates of up to 100Gbps, making it suitable for high-speed data transmission in data centers, cloud environments, and other demanding networking applications. Its active optical design ensures enhanced signal integrity, low latency, and improved power efficiency compared to traditional copper cables. The Q9S71A provides reliable and scalable connectivity, making it an excellent choice for modern network infrastructures that require robust performance and seamless integration for bandwidth-intensive workloads...
The Juniper JNP-100G-AOC is a 100G Active Optical Cable (AOC) designed to provide high-speed connectivity between QSFP28 ports using OM3 multimode fiber. This cable supports data rates of up to 100Gbps, making it an ideal solution for high-performance applications in data centers, cloud computing environments, and other bandwidth-intensive settings. Its active optical design ensures superior signal integrity, low latency, and reduced power consumption compared to traditional copper cables, enhancing overall network efficiency. The JNP-100G-AOC offers reliable and scalable connectivity, making it a great choice for modern networking infrastructures that require robust performance and seamless data transfer capabilities...
The Mellanox/Nvidia MFA1A00-C is a 100G Active Optical Cable (AOC) designed for high-speed connectivity between QSFP28 ports using OM3 multimode fiber. Supporting data rates of up to 100Gbps, this cable is ideal for data centers, cloud environments, and high-performance computing applications where bandwidth efficiency is crucial. The active optical design enhances signal integrity, reduces latency, and minimizes power consumption compared to traditional copper alternatives, ensuring reliable performance in high-density settings. The MFA1A00-C offers seamless, scalable connectivity, making it a perfect solution for modern networking infrastructures that demand robust and efficient data transmission capabilities...
JTOPTICS® 100G QSFP28 breakout AOC (active optical cable) is designed for the interconnection between 100G Ethernet (100GbE) and 4x 25G Ethernet (25GbE). The QSFP28 to 4x SFP28 AOC cable is also known as 100G QSFP28 hybrid optical cable, 100G QSFP28 splitter AOC or 100G QSFP28 Fan-out AOC. The 100G QSFP28 breakout AOC offers four parallel, bi-directional channels each operating at up to 25 Gbps. Using industry-leading COB technology and high-performance optical engine of VCSEL laser and OM3 multi-mode fiber, this AOC breakout cables provide a highly cost-effective and low-power consumption connectivity for the high-performance computing (HPC), data center and storage networks applications. Hot Pluggable QSFP28 and SFP28 MSA Compliant4 channels full-duplex transceiver modules Supports 100Gbps total data rate. 4 channels 850nm VCSEL array 4 channels PIN photo detector array MMF cable with customizable length up to 70m (OM3) Electrical interface compliant to ..
The Dell 470-ACIJ is a 100G to 4x25G Active Optical Cable (AOC) designed for connecting a QSFP28 port to four QSFP28 breakout ports. This cable allows a single 100Gbps connection to be divided into four separate 25Gbps links, making it ideal for use in data centers, cloud environments, and high-performance computing applications. Utilizing OM3 multimode fiber, the 470-ACIJ ensures reliable data transmission with superior signal integrity and low latency compared to traditional copper alternatives. Its active optical design also reduces power consumption, providing efficient and scalable connectivity for modern network infrastructures that require flexible and robust performance for bandwidth-intensive workloads...
The HPE Aruba 845420-B is a high-performance 100G to 4x25G Active Optical Cable (AOC) designed to connect a QSFP28 port to four QSFP28 breakout ports. This cable enables the splitting of a single 100Gbps connection into four 25Gbps links, making it ideal for data centers, cloud computing environments, and high-performance networking applications. Utilizing OM3 multimode fiber, the cable ensures reliable data transmission with enhanced signal integrity and reduced latency compared to traditional copper cables. The active optical design also minimizes power consumption, providing efficient and scalable connectivity for modern network infrastructures that demand flexibility and robust performance for bandwidth-intensive workloads..
The Juniper JNP-100G-AOCBO is a 100G to 4x25G Active Optical Cable (AOC) designed for high-speed connectivity between a QSFP28 port and four QSFP28 breakout ports. This cable enables the splitting of a single 100Gbps connection into four 25Gbps links, making it ideal for data centers, cloud computing environments, and high-performance networking applications. Utilizing OM3 multimode fiber, the JNP-100G-AOCBO ensures reliable data transmission with excellent signal integrity and low latency compared to traditional copper cables. Its active optical design minimizes power consumption, providing efficient and scalable connectivity for modern network infrastructures that demand robust performance and flexibility for bandwidth-intensive workloads...
The Mellanox/Nvidia MFA7A50-C is a versatile 100G to 4x25G Active Optical Cable (AOC) designed to connect a QSFP28 port to four QSFP28 breakout ports, allowing a single 100Gbps connection to be split into four 25Gbps links. Utilizing OM3 multimode fiber, this cable is ideal for high-speed data transmission in data centers, cloud environments, and high-performance computing applications. The active optical design ensures enhanced signal integrity, reduced latency, and lower power consumption compared to copper alternatives, providing reliable performance in high-density deployments. The MFA7A50-C offers efficient and scalable connectivity, making it an excellent solution for modern networking infrastructures requiring flexibility and high bandwidth..
