• Juniper Compatible 25G SFP28 to SFP28 Copper DAC Cable 1-5M
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Blue Cable Co

JNP-SFP-25G-DAC-xM-BCC | Juniper Compatible SFP28 To SFP28 Copper Direct-Attach 25GBASE-CR1 Cable | 1 to 5M

JNP-SFP-25G-DAC-1M-BCC

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Description

The JNP-SFP-25G-DAC-xM-BCC is a drop-in compatible replacement for the Juniper JNP-SFP-25G-DAC-1M. This passive twinax copper cable operates plug-and-play in Juniper switches and routers with SFP28 ports, providing 25 Gb/s single-lane connectivity. - IEEE 802.3by 25GBASE-CR1 and SFP28 MSA compliance guarantee interoperability with standards-compliant SFP28 hosts - SFP28 to SFP28 passive direct attach copper cable delivering 25 Gb/s over a single electrical lane - Available in 1m, 3m, and 5m lengths to suit rack-to-rack and intra-rack connectivity requirements - Passive twinax construction eliminates external power requirements and reduces deployment complexity - FEC requirements vary by length: 1m typically operates without FEC, 3m may benefit from BASE-R FEC, 5m may require RS-FEC depending on host and link conditions - Cost-effective alternative to fibre optics for short-reach 25 Gigabit Ethernet connectivity in data centre and enterprise environments

Features

• IEEE 802.3by 25GBASE-CR1 compliance ensures standards-based interoperability with any SFP28 host port, eliminating vendor lock-in and simplifying inventory management across multi-vendor fabrics
• Single 25 Gb/s electrical lane architecture delivers 2.5x the throughput of 10GBASE-CU in the same SFP28 form factor, enabling higher bandwidth density without infrastructure redesign
• Passive copper twinax design eliminates active components and external power draw, reducing heat generation and simplifying deployment in dense top-of-rack and leaf-spine topologies
• FEC interaction varies by cable length and insertion loss: 1m and shorter cables typically meet CA-25G-N class for no-FEC operation, 3m may benefit from BASE-R FEC for margin, 5m cables generally require RS-FEC on host ports to meet full reach per IEEE 802.3by cable assembly specifications
• Hot-swappable SFP28 connectors with integrated pull tabs support live insertion and removal in operational switches without service interruption, critical for staged rollouts and maintenance windows
• Twinax copper construction provides immunity to electromagnetic interference and maintains signal integrity at 25 Gb/s NRZ signaling without the fibre handling complexity or cleaning requirements of optical connectivity

Warranty

5-Year Advanced Warranty on All Blue Cable Co® Products

Blue Cable Co® offers a comprehensive 5-Year Advanced Warranty on all our branded products. Our advanced warranty ensures fast, hassle-free replacements to keep your network running smoothly. If a fault occurs, we’ll deliver a replacement part before you return the faulty item—minimising downtime and giving you complete peace of mind.

Choose Blue Cable Co® for reliable, high-quality network components backed by industry-leading warranty support.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Also Known As

FAQs

Compatible SFP Selector

Technical Specifications

Brand: Blue Cable Co
BCC SKU: JNP-SFP-25G-DAC-xM-BCC
Compatible Replacement For: JNP-SFP-25G-DAC-1M
Compatibility: Juniper compatible
Lab Testing: Tested in Sydney, Australia
Warranty: 5-year advanced hardware replacement (Blue Cable Co)
Form Factor: SFP28 to SFP28 Direct Attach Cable
Data Rate: 25 Gb/s
Cable Type: Passive Twinax Copper
Standards: IEEE 802.3by 25GBASE-CR1, SFP28 MSA, SFF-8432
Available Lengths: 1m, 3m, 5m
Connector Type: SFP28 (both ends)
Operating Temperature: 0 to 70 degrees C (commercial)
Max Reach: Up to 5m (per IEEE 802.3by, subject to FEC and host requirements)

Also Known As

720-084604, 720-084605, 720-084606

FAQs

Q: Will this work in place of the Juniper JNP-SFP-25G-DAC-1M?
A: Yes. This cable is designed as a plug-and-play replacement for the JNP-SFP-25G-DAC-1M. It complies with IEEE 802.3by 25GBASE-CR1 and SFP28 MSA standards, matching the electrical and mechanical specifications of the Juniper original. It operates at 25 Gb/s over passive twinax copper and is interchangeable with the OEM part in Juniper network equipment.

Q: Which Juniper platforms are compatible with this DAC cable?
A: This cable is compatible with any Juniper platform featuring SFP28 ports that support 25 Gigabit Ethernet over copper direct attach. This includes enterprise routers, data centre switches, and server network interface environments where SFP28 mechanical and electrical standards are implemented. Verify your specific platform supports 25GBASE-CR1 passive DAC operation.

Q: Do different cable lengths have different FEC requirements?
A: Yes. Per IEEE 802.3by, 1m cables typically operate in CA-25G-N class without FEC. The 3m length may benefit from BASE-R FEC for additional link margin, while 5m cables generally require RS-FEC on both host ports to meet the CA-25G-L class and achieve full reach. Consult your switch documentation to confirm FEC mode support and configuration.

Q: Can I mix this cable with optical transceivers or AOC in the same 25G fabric?
A: Yes. 25GBASE-CR1 passive DAC, 25GBASE-SR optical transceivers, and 25G AOC cables all terminate at the same SFP28 electrical interface and operate at 25 Gb/s per lane. You can freely mix media types within a single fabric, though consistent FEC settings across link pairs are typically required. DAC is preferred for short intra-rack connections where cost and power efficiency matter most.

Q: What is the power consumption compared to active optical cable at this speed?
A: Passive copper DAC consumes negligible power as it contains no active electronics. AOC cables embed active optical transmitters and receivers, typically drawing 1 to 1.5 watts per end. Over hundreds of links in a data centre fabric, passive DAC significantly reduces cooling load and power infrastructure requirements. For reaches under 5m, passive DAC is the most power-efficient 25 Gb/s interconnect option.

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100% compatible with equipment from major vendors

Coded and tested in our state of the art lab in Sydney

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Tested on real vendor hardware in Sydney

Every Blue Cable Co transceiver is coded for your platform and tested in our Sydney test rack on real vendor switches and firewalls before it ships. We check it is recognised and links up the same way the OEM optic does, so you don't find an "unsupported transceiver" error after it's installed.

Brands tested: Cisco, Meraki, Arista, Aruba, HPE, Juniper, Dell, Fortinet, Palo Alto, Check Point, Sophos, Moxa and NVIDIA. Speeds up to 100Gb.

  • 5 year replacement warranty
  • Sydney stock
  • Re-coding if you need it

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