200GbE QSFP-DD Direct Attach Cable
Gigalight's GQD-PC201-XXC cable assemblies are effective alternatives to fiber optics, connecting data signals from each of the 16 pairs on the single QSFP-DD end to the other QSFP-DD end. Each pair operates at data rates of up to 25Gb/s, and each QSFP-DD port can be addressed by EEPROM to provide product information via the I2C interface. These cable assemblies comply with QSFP-DD MSA and IEEE802.3bj standards, offering high-performance, cost-effective I/O solutions for LAN, HPC, and SAN applications. They meet and exceed 200GbE, InfiniBand EDR/HDR, and temperature requirements for reliable performance.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Storage Temperature | -20°C~85°C |
| Humidity (non-condensing) | 5%~95% |
| Baud Rate per Lane | 25.78125GBaud/s |
| Humidity | 5%~85% |
| Differential Impedance (bulk cable) | 100±10/-5ohms |
| Differential Impedance (Mated connector) | 100±10ohms |
| Differential Impedance (cable termination) | 100±10/-15ohms |
| Intra-skew | L*15+20ps |
| Frequency domain parameter | <22.48dB@13.28GHz |
| Insertion Loss | ≤5.3dB@12.89GHz |
| Return Loss | ≤-16+2*f/3 |
| MDNEXT | ≤-26dB@12.89GHz |
| Common Mode Conversion Loss | ≤22.48dB@13.28GHz |
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