BYXGD’s length-customizable 1G SFP Passive Direct Attach Copper Twinax Cable for 1GBASE Ethernet provides the option for short-range connections between adjacent racks (within racks). In meeting the SFF-8472, SFF-8024, and SFP MSA standards, it ensures compatibility in terms of universal size, shape, and electrical interface for both devices. The cable will be available in lengths between 0.5 meters and 7 meters, and incorporates an integrated EEPROM for automatically identifying the device; it operates on a single 3.3V power supply and consumes a maximum of 0.1W. The design of this cable allows for low insertion loss/crosstalk, thereby reducing the effects of electromagnetic interference (EMI), improving the quality of transmission.
With a minimum bend radius of 23mm, the cable can be routed flexibly throughout a densely populated data center or other environments. All cables are factory tested to ensure that links are maintained with data accuracy and compliance with interoperability requirements. In addition, the cable is fully RoHS compliant, meeting environmental and safety requirements and is free of lead. Therefore, this high-performance passive twinax copper cable is a low-cost option for short-reach 1G connectivity without sacrificing either performance or reliability, and is designed to enable seamless integration into a variety of network switches, servers, firewalls, and network interface cards that utilize 1G SFP ports.
Specifications
| Form Factor | SFP DAC Cable |
| Connector Type | SFP to SFP |
| Data Rate | 1Gbps |
| Protocols | 1G Ethernet |
| Passive/Active | Passive |
| Cable Type | Twinax |
| Cable Length | 0.5~7 m (1.6~23.0 ft) |
| Wire Gauge | 30AWG (1~3m); 26AWG (4~7m) |
| Cable Impedance | 100 Ω |
| Minimum Bend Radius | 23 mm |
| Cable Jacket | PVC (OFNR) |
| Power Supply | 3.3V single |
| Power Consumption | ≤0.1W |
| Digital Diagnostic Monitoring | N/A |
| Operating Temperature | 0 to 70°C (32 to 158°F) |
| Storage Temperature | -40 to 85°C |
| Weight | 0.13 kg |
| Warranty | 1 Year |
| Compliance | SFF-8472, SFF-8024, SFF-8402, SFF-8432, RoHS, MIL-STD-883C |






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