Huawei QSFP‑40G‑CU1M High‑Speed Direct‑Attach Cable (DAC)
The Huawei QSFP‑40G‑CU1M is a 1 meter QSFP+ high‑speed passive direct‑attach copper (DAC) cable delivering up to 40 Gbps (41.25 Gbps aggregate) for short‑reach interconnects between QSFP+ ports on switches, routers, and network appliances — ideal for intra‑rack or adjacent‑rack 40 Gigabit Ethernet links.
Description
Huawei QSFP‑40G‑CU1M — 1 m High‑Speed Passive QSFP+ Direct‑Attach Copper Cable for 40G
Key Features:
QSFP+ to QSFP+ Connectivity
Direct connection between two QSFP+ ports without separate transceivers.40 Gbps High‑Speed Performance
Supports 40 GbE links (40GBASE‑CR4) — aggregate throughput up to ~41.25 Gbps.1 Meter Cable Length
Compact 1 m (3.28 ft) length ideal for short‑reach links within or between adjacent racks.Passive Twinax Copper
Low‑power passive design requiring no external power or active electronics.Low Bend Radius
Minimum bend radius around 35 mm for flexible routing in dense cabling environments.Hot‑Pluggable
Allows installation and removal without powering down network equipment.Industrial Standards Compliance
QSFP+ MSA / SFF‑8436 compliance and IEEE 802.3ba support.Commercial Temp Range
Operating temperature from approximately 0 °C to 70 °C.
Technical Highlights:
Model: QSFP‑40G‑CU1M
Part Number: 02310MUG
Connector Type: QSFP+ to QSFP+
Cable Type: Passive Twinax Copper DAC
Length: 1 m (3.28 ft)
Max Data Rate: ~40–41.25 Gbps aggregate (4× 10 Gbps lanes)
Minimum Bend Radius: 35 mm
Operating Temperature: ~0 °C – 70 °C
Electrical Attribute: Passive (no active electronics)




