SFP28 Direct Attach Cable CBO 740-084666-BO 5 m for Juniper ports

The SFP28 Direct Attach Cable CBO 740-084666-BO 5 m for Juniper ports is a 5-metre twinax copper cable designed for short-reach 25Gbps connections between compatible SFP28 ports. Built for high-density rack and data centre environments, this direct attach solution delivers a low-latency, plug-and-play connection suitable for server-to-switch and switch-to-switch links where fibre optics are unnecessary. The cable is intended to provide a reliable physical layer link with predictable performance for 25 Gigabit Ethernet applications.

Advantages

This twinax direct attach cable provides a cost-effective alternative to optical transceivers and separate fibre patching for short distances. Its fixed 5 m length simplifies cabling planning in racks, reduces power consumption compared with active optical transceivers, and minimizes signal latency due to the copper twinax construction. The cable is compatible with Juniper-style SFP28 form-factor ports and supports stable 25Gbps throughput in appropriate network equipment.

Suitable for

• Server-to-switch connections in data centre racks
• Switch-to-switch uplinks within the same rack or adjacent racks
• High-density top-of-rack switching environments
• Short-reach 25GbE interconnects where fibre is not required

Key specifications

• Cable type: Twinax copper direct attach
• Connector form-factor: SFP28-compatible plugs on both ends
• Length: 5 metres
• Nominal data rate: 25 Gigabit Ethernet (25Gbps)
• Reach: Short-reach interconnects (rack/adjacent racks)
• Latency: Low, passive copper link
• Installation: Plug-and-play, no external power required

How to use

Ensure both network devices have compatible SFP28 ports that accept passive twinax direct attach cables. Power down or follow hot-swap guidance per device manufacturer if required, then insert each SFP28 plug into the corresponding port until it clicks into place. Verify link status on both devices and configure the network interfaces as needed for 25GbE operation. For removal, release the connector latch and withdraw the plug carefully to avoid damaging the port.

Recommendations

Install the cable within racks or between adjacent racks to maintain the cable within its designed short-reach range. Avoid tight bends and excessive cable stress; maintain minimum bend radius specified by the vendor. Use in environments where 25Gbps copper interconnects meet latency and distance needs and where compatibility with the specific network equipment has been confirmed.