• Juniper Compatible 100GB QSFP to 4x25GB SFP+ Breakout Cable 1M-5M
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Blue Cable Co

JNP-100G-4X25G-xM-BCC | Juniper Compatible 100GB QSFP to 4 x 25GB SFP25G Direct Attach Breakout Cable | 1M to 5M

JNP-100G-4X25G-1M-BCC

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$251.90 inc. GST
$229.00 ex. GST
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Description

The JNP-100G-4X25G-xM-BCC is a drop-in compatible replacement for the Juniper JNP-100G-4X25G-1M. This passive copper breakout cable connects a 100G QSFP28 port to four independent 25G SFP28 ports, providing plug-and-play compatibility with Juniper switches and routers that support 100G breakout configurations. - IEEE 802.3bj, SFF-8402, and SFF-8665 compliance guarantee interoperability with standards-compliant QSFP28 and SFP28 platforms - 100GBASE-CR4 to 4x25GBASE-CR passive twinax construction with QSFP28 MSA form factor on one end and four SFP28 modules on the other - Available in 1M, 3M, and 5M lengths for flexible intra-rack and cross-rack deployment - Each of four lanes supports 25Gb/s for an aggregate 100Gb/s throughput - Hot-pluggable design with no additional power required for passive copper operation - Low latency and low power consumption for short-reach interconnects in data centres and telecom environments

Features

• IEEE 802.3bj compliance ensures 100GBASE-CR4 electrical specifications are met across all four 25Gb/s lanes, guaranteeing signal integrity for breakout topologies where a single 100G port fans out to four independent 25G endpoints
• Passive twinax copper construction eliminates the need for external power or active components, reducing power draw and heat compared to active optical breakout cables while maintaining low insertion loss for lengths up to 5 metres
• QSFP28 and SFP28 MSA compliance guarantees mechanical and electrical compatibility with host ports, supporting hot-plug insertion and removal without interrupting adjacent links or requiring system reboot
• SFF-8402 and SFF-8665 specify the high-speed serial lane mapping and pinout for 28Gb/s NRZ signalling per lane, ensuring each breakout leg operates independently with no lane-to-lane crosstalk or skew issues
• Four independent 25G lanes allow flexible deployment scenarios such as connecting one 100G uplink switch port to four separate 25G downstream devices, or bridging 100G infrastructure to legacy 25G server NICs
• Suitable for top-of-rack, adjacent rack, and intra-row interconnects where distance is limited and passive copper offers the most cost-effective solution per port versus optical alternatives

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.

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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-100G-4X25G-xM-BCC
Compatible Replacement For: JNP-100G-4X25G-1M
Compatibility: Juniper compatible
Lab Testing: Tested in Sydney, Australia
Warranty: 5-year advanced hardware replacement (Blue Cable Co)
Form Factor: QSFP28 to 4x SFP28
Data Rate: 100Gb/s aggregate (4x 25Gb/s lanes)
Cable Type: Passive twinax copper (direct attach)
Standards: IEEE 802.3bj (100GBASE-CR4), SFF-8402, SFF-8665, QSFP28 MSA, SFF-8436, SFF-8431
Max Reach: Up to 5M (per cable length, passive copper)
Available Lengths: 1M, 3M, 5M
Connector Type: QSFP28 (one end), 4x SFP28 (breakout end)
Operating Temperature: 0 to 70 degrees C (commercial temperature range)
Power Consumption: No additional power required (passive)

Also Known As

720-068901, 740-061003, 720-071265

FAQs

Q: Will this work in place of the JNP-100G-4X25G-1M?
A: Yes. The JNP-100G-4X25G-xM-BCC is engineered to the same electrical and mechanical specifications as the Juniper JNP-100G-4X25G-1M. It conforms to IEEE 802.3bj (100GBASE-CR4), QSFP28 MSA, and SFP28 MSA standards, ensuring plug-and-play compatibility with Juniper platforms that accept the OEM part.

Q: Which Juniper platforms support this breakout cable?
A: This cable is compatible with Juniper switches and routers that feature 100G QSFP28 ports configured for 4x25G breakout mode. Specific platform support depends on the port's ability to support breakout configurations in the host operating system. Consult your Juniper platform documentation to confirm 4x25G breakout capability on the target port.

Q: Can I mix cable lengths in a single deployment, or use different lengths for each of the four SFP28 legs?
A: Each breakout cable is manufactured as a single assembly with fixed-length legs. The four SFP28 connectors at the breakout end are permanently attached to the twinax cable at equal lengths. To span different distances, select the appropriate cable length (1M, 3M, or 5M) that covers the furthest endpoint. All four legs will be the same length.

Q: Does this passive copper cable require FEC, and is each 25G lane truly independent?
A: Passive copper direct attach cables operating at 25Gb/s per lane typically do not require FEC for short distances (up to 5 metres), but FEC may be enabled by the host platform for additional margin. Each of the four SFP28 connectors operates as an independent 25G electrical lane with its own transmit and receive pairs, allowing you to connect each leg to a different device or leave legs unpopulated without affecting the others.

Q: What is the maximum safe bend radius for this twinax cable, and can I route it through tight cable management?
A: Passive twinax cables generally specify a minimum bend radius of approximately 25mm to 30mm to prevent signal degradation and jacket damage. Avoid tight loops or sharp bends, especially near the QSFP28 or SFP28 connector bodies. Route the cable with smooth curves through cable management arms or trays to maintain signal integrity across all four lanes.

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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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