100G QSFP28 InfiniBand EDR

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100G QSFP28 InfiniBand EDR Overview

The 100G QSFP28 InfiniBand EDR category contains two straight-through cable assemblies: one passive DAC and one AOC. Both models connect two 100G QSFP28 ports and support InfiniBand EDR and 100 Gigabit Ethernet links. Available in lengths from 0.5m to 100m, the series is designed for communication between QSFP-equipped devices, including SB7800/SB7890 switches and compatible MCX556A-ECAT or MCX653106A-HDAT adapters in LAN, HPC, and SAN environments. The cable assemblies comply with the SFF-8436 standard.

Q100-EDR-C is a 0.5–5m passive copper twinax cable with 100G QSFP28 connectors at both ends. It provides a direct link between QSFP28-equipped switches, adapters, and computing devices for short-distance InfiniBand EDR or 100 Gigabit Ethernet connections.

Q100-EDR-A is a 1–100m active optical cable connecting two 100G QSFP28 ports. It supports extended InfiniBand EDR and 100 Gigabit Ethernet links between compatible SB7800/SB7890 switches, network adapters, and other QSFP-equipped devices in LAN, HPC, and SAN systems.

What is the main difference between Q100-EDR-C and Q100-EDR-A in the 100G QSFP28 InfiniBand EDR category?

Q100-EDR-C uses passive copper and supports 0.5–5m links, while Q100-EDR-A uses active optical transmission and supports 1–100m links. Both are straight-through QSFP28-to-QSFP28 cable assemblies for 100Gb/s InfiniBand EDR and 100 Gigabit Ethernet.

What cable lengths are available for Q100-EDR-C and Q100-EDR-A?

Q100-EDR-C is available from 0.5m to 5m, while Q100-EDR-A is available from 1m to 100m. The specified ranges correspond to the passive copper and active optical designs, respectively.

Do Q100-EDR-C and Q100-EDR-A provide breakout connections, or does each cable create one direct 100G QSFP28-to-QSFP28 link?

Each cable creates one direct 100G QSFP28-to-QSFP28 link. Neither model is a breakout assembly; both use one QSFP28 connector at each end to connect two 100G ports.

Can Q100-EDR-C and Q100-EDR-A operate on both InfiniBand EDR and 100 Gigabit Ethernet links?

Yes. Both models support 100Gb/s InfiniBand EDR and 100 Gigabit Ethernet when connected to compatible QSFP-equipped ports operating with the required network protocol.

Are Q100-EDR-C and Q100-EDR-A suitable for SB7800/SB7890 switches and MCX556A-ECAT or MCX653106A-HDAT adapters?

Yes. They are designed for 100G links between compatible QSFP-equipped devices, including SB7800/SB7890 switches and MCX556A-ECAT or MCX653106A-HDAT adapters operating at 100G InfiniBand EDR or 100GbE.

Do Q100-EDR-C and Q100-EDR-A require separate transceiver modules at the two endpoints?

No. Both are complete cable assemblies with QSFP28 connectors integrated at each end. Q100-EDR-C uses an integrated passive copper connection, while Q100-EDR-A incorporates the optical components required for the active optical link.

Do Q100-EDR-C and Q100-EDR-A comply with the same QSFP interface standard?

Yes. Both cable assemblies comply with the SFF-8436 standard and use QSFP28 interfaces at both ends for direct communication between compatible 100G ports.

Can project-specific lengths, labels, or packaging be requested for Q100-EDR-C and Q100-EDR-A?

Contact AICPLIGHT before ordering to confirm the feasibility of the requested length, labeling, or packaging. The standard specified range is 0.5–5m for Q100-EDR-C and 1–100m for Q100-EDR-A.

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