Cisco SFP-H25G-CU1M Compatible 25G SFP28 Passive Direct Attach Copper Cable Twinax Cable - 1 Meter in Total Length

This is a high-quality Cisco Compatible 25G SFP28 Passive DAC (Direct Attach Cable) Copper Twinax cable. It is a cost-effective solution that provides high bandwidth and transmission rates over short distances. SFP28 25G Copper Twinax cables are suitable for very short distances and offer a highly cost-effective connection within racks and across adjacent racks. DAC cables offer a low-cost SFP28 solution. SFP28 directly attached Twinax cable assemblies supports 25 Gigabit Ethernet. Each DAC is 100% optically inspected and tested for compatability before shipping.

A direct attach cable, short for DAC cable, is a type of factory terminated twinax cable that connects directly into transceivers and can be brought in several lengths for short distances. These cables consist of fixed lengths of shielded copper coaxial or fiber optic cable with single pluggable transceivers at either end, that have varying gauge values between 24AWG and 30AWG. The DAC cable may be capable of interconnection up to 15 meters using a twinaxial copper cable and reaches 100 meters over an active optical cable at 10Gbps, 40Gbps or higher.

Direct Attach Cables can be either passive or active. The passive direct attach cable has no electrical components, which results in less power consumption. Active direct attach cables are composed of electrical components, so they use more power, but gain more distance and increase signal strength. Active cables are more expensive and consume more power when in use compared to passive direct attach cables.

Cisco DAC Cable Features & Specifications

• Copper Passive
• AWG30
• PVC (OFNR) Jacket
• Easy to Install
• Hot pluggable
• Low insertion loss
• RoHS Compliant
• Temperature Range: 0°C to 70°C
• Available in various lengths

Cisco DAC Cable Options Available:

• 10G SFP+ to SFP+ DAC
• 25G SFP28 to SFP28 DAC
• 40G QSFP+ to QSFP+ DAC
• 40G QSFP+ to 4x SFP+ DAC
• 100G QSFP28 to 4x SFP28 DAC
• 100G QSFP28 to QSFP28 DAC
• 56G QSFP+ to QSFP+ DAC