The 400G OSFP to 400G QSFP-DD Direct Attach Copper (DAC) cable provides a high-speed, cost-effective solution for establishing 400-Gigabit links over very short distances. It is specifically designed for connecting 400G ports of switches and routers within racks or across adjacent racks in data centers. This cable delivers reliable performance while minimizing costs, making it an excellent choice for applications requiring efficient and short-distance connectivity. Constructed with ultra-low-loss materials, the cable features square rings, twisted pair wiring with eight wires, and a shell extension design. These advanced mechanical properties ensure superior durability, flexibility, and bending performance. Its robust construction optimizes cable management in high-density setups while maintaining consistent, high-quality signal transmission, even in challenging environments. Thoroughly tested in actual switching systems, the DAC ensures optimal signal integrity and delivers top-tier end-to-end performance. This makes it a highly reliable choice for demanding applications, including Artificial Intelligence (AI), Software-Defined Networking (SDN), Machine Learning (ML), and cloud computing environments, where low latency and high throughput are critical.
· Hot Pluggable OSFP MSA and QSFP-DD MSA Compliant
· Max. Power Consumption 0.1W
· Operating Case Temperature: 0℃~70℃
· RoHS Compliant
Absolute Maximum Ratings
Parameter | Symbol | Min | Max | Unit |
Storage Temperature | Ts | -40 | 85 | °C |
Operating Humidity | Tcase | 0 | 70 | °C |
Power Supply Voltage | VCC | 3.135 | 3.465 | V |
Relative Humidity | RH | 85 | % |
Electrical Performance Requirements
Item | Test Condition | Description |
Current | 0.5A per contact | |
Voltage | 30v DC per contact | |
LLCR | EIA 364-23, 20mVdc, 100mA | less than 2 ohms |
Continuity | Verify the continuous electrical path | No open, short, or high resistance |
SI Requirements
Item | Test Condition | Description |
SDD21&SDD12 | -17.16 dB Min. @13.28 GHz | From 0.01 Ghz to 19GHz |
SDD11&SDD22 | -16.5+2*sqrt(f)dB Max. @0.05GHz to 4.1GHz -10.66+14*log(f/5.5)dB Max.@4.1GHz to 10GHz | From 0.01 GHz to 19GHz |
SCD21-SDD21 | -10 dB Max. @0.01 GHz to 12.89 GHz -27+(29/22)*f dB Max. @12.89 GHz to 15.7 GHz -6.3 dB Max. @15.7 GHz to 19 GHz | From 0.01 GHz to 19GHz |
Mechanical Performance Requirements
Item | Test Condition | Description |
Mating Forces | A rate of 10mm per minute | QSFP-DD<90N, OSFP40N |
Un-mating Forces | A rate of 10mm per minute | QSFP-DD<50N, OSFP<30N |
Latch Strength | Pull to separate module from cage, Test with connector, cage & module (latch engaged) | Minimum of an 125N force
|
Bulk Cable Retention in Module | Pull to separate bulk cable from module,Test with cable assembly only | Minimum of an 90N force |
Wire Flex | Flex cable 180° for 10 cycles at X/Y axis, 20 times/minutes, with an 1kg suspended weight.Type C EIA 364-41, test condition I. | No microsecond discontinuities are allowed |
Durability | Perform 50 unplug/plug cycles | No evidence of physical damage |
Cable Minimum Bend Radius | Min. bending radius allowed: repeated 10X ø. single 5X ø | No physical damage Verify continuity and SI |
lConnector
Note: The connector meets the various dimensional and physical requirements outlined in the QSFP-DD
MSA specification, and in the OSFP MSA specification.
Note: Cable type is a 100 ohm twinax cable which consists of 8 parallel pairs. Printing on the cable is defined in
the respective cable specification.Each pair consists of two signal conductors and two drains wire wrapped in a shield.
assembly is labelled with a unique identification label.
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