Description
The AddOn QSFPDD-8SFP56-PDAC2M-AO is an MSA and TAA compliant 400GBase-CU direct attach cable designed to connect a QSFP-DD port to eight individual SFP56 ports with reliable, high-speed copper connectivity. Operating over passive Twinax cabling with a maximum reach of 2 meters, this DAC delivers 56 Gbps per lane (PAM4) signaling, ensuring optimal performance for high-bandwidth applications such as data centers, servers, switches, routers, and high-performance computing environments.
Manufactured to strict quality standards, this cable supports IEEE 802.3bj, By, and CD specifications and features I²C EEPROM communication, a pull-to-release latch design, and 360-degree EMI/EMC shielding for superior signal integrity. With RoHS compliance and a limited lifetime warranty, AddOn’s DACs provide a cost-effective, plug-and-play solution for modern network deployments demanding high reliability and performance.
| Specification | Description |
|---|---|
| Part Number | QSFPDD-8SFP56-PDAC2M-AO |
| Form Factor | QSFP-DD to 8xSFP56 |
| Cable Type | Passive Twinax Direct Attach Cable |
| Data Rate | 56 Gbps per lane (PAM4) |
| Aggregate Bandwidth | 400 Gbps |
| Reach / Length | 2 m (6.6 ft) |
| Compliance Standards | QSFP-DD MSA Rev. 3.4, SFF-8679, SFF-8636, IEEE 802.3bj/by/cd |
| Electrical Interface | 100 Ω differential impedance |
| Voltage | 3.3 V DC |
| Current (Signal Only) | 0.75 A |
| Operating Temperature | -10 °C to +60 °C |
| Cable Construction | 28 AWG, PVC Jacket, VW-1 Flammability Rating |
| EMI/EMC Shielding | 360-degree shield termination |
| Management Interface | I²C with EEPROM support |
| Latch Type | Pull-to-release |
| Applications | Servers, Switches, Routers, Data Centers, HPC |
| Certifications | RoHS-6, TAA |
| Warranty | Limited Lifetime Warranty |
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