| NO. | Brand | Compatible P/N | Transceiver Type |
| 1 | Cisco | QSFP-4SFP10G-CU1M | |
| 2 | Arista Networks | CAB-Q-S-1M | |
| 3 | Juniper | QFX-QSFP-DACBO-1M | |
| 4 | Brocade | 40G-QSFP-4SFP-C-0101 | |
| 5 | Dell | 331-8149 | |
| 6 | Intel | X4DACBL1 | |
| 7 | NVIDIA/Mellanox | MC2609130-001 | |
| 8 | IBM | BN-QS-SP-CBL-1M |
| Juniper Compatible |
QFX-QSFP-DACBO-1M
|
Vendor Name | HYTOPTODEVICE |
| Connector | QSFP+ to 4 x SFP+ | Max Data Rate | 40Gbps |
| Cable Length | 1m (3ft) | Wire AWG | AWG 30 |
| Cable Type | Passive Twinax | Power Consumption | ≤0.5W |
| Media | Copper | Operation Temperature | 0~ 70 °C (32 to 158°F) |
| Jacket Material | PVC(OFNR) | Protocols | SFF-8436, SFF-8431 and QSFP+ MSA |
| Minimum Bend Radius | 21mm | Application | 40G InfiniBand 8x DDR, 4x QDR, 10/40 Gigabit Ethernet, Fibre Channel |
Usage Guidelines & Best Practices
Mandatory Port Breakout Configuration: Ensure the host QSFP+ port supports channelization. Enable breakout mode (4x10G) via the switch CLI before connecting the cable.
Cabling Requirements: Do not exceed the minimum 21mm bend radius, avoid sharp folding, heavy extrusion or long-term tension on the cable assembly.
Port Installation Standard: Do not mix this breakout DAC with straight QSFP+ to QSFP+ DAC configuration.
Hot‑swap rule:Never pull or tug directly on the individual breakout legs. Always use the integrated pull-tab or bale latch when inserting or removing connectors.
Operating Environment: 0‑70℃, indoor cabinet deployment only.
For detailed operation instructions, please refer to the User Guide.
Full Compatibility List & Supported Devices
Built on universal MSA open standards, this 40G QSFP+ DAC breakout cable can interoperate with mainstream network brands including Arista, Intel, Juniper, Dell, NVIDIA Mellanox and IBM, for mixed-vendor rack stacking and server fabric expansion.
Q1: Which Junos OS releases support port channelization for this Juniper compatible QSFP+ DAC Breakout Cable? A: It runs stably starting from Junos OS 15.1X53-D30 and newer mainstream builds. HYTOPTODEVICE validates each batch for QFX platforms to lower deployment risk for Juniper solution partners placing stock orders.
Q2: Can this QSFP+ DAC Breakout Cable work on Juniper MX series routers for 4x10G breakout? A: Most MX router QSFP+ ports do not support native 40G-to-4x10G breakout channelization. Confirm hardware port profile before purchase, this cable is optimized primarily for QFX leaf switches.
Q3: Does Juniper ZTP zero-touch provisioning recognize this pre-coded QSFP+ DAC Breakout Cable automatically? A: Yes, valid EEPROM signatures allow Junos to detect the breakout cable during ZTP boot. It simplifies mass rollout for system integrators deploying multiple Juniper fabric nodes.
Q4: Can I order this QSFP+ DAC Breakout Cable with custom EEPROM for mixed Juniper and third-party switch environments? A: Yes, HYTOPTODEVICE offers custom multi-vendor EEPROM programming service on bulk orders. It helps integrators build unified cabling for mixed-fabric data center projects.
Q5: Will Junos OS generate persistent syslog alarms if paired with Juniper original SFP+ optics on the same chassis? A: No, DAC and optical transceivers operate independently per logical port. As long as breakout channelization is committed correctly, mixed media types do not trigger continuous fault logs.
Q6: Can this QSFP+ DAC Breakout Cable be used for Juniper EVPN-VXLAN server uplink expansion in IP fabrics? A: Yes, passive copper carries standard Ethernet for EVPN-VXLAN overlay traffic. Many Juniper resellers purchase this breakout cable to scale low-cost 10G server access ports.
Q7: What happens to breakout port configurations after a Junos OS software upgrade? A: Channelization settings remain saved in the chassis configuration. Rare major Junos version upgrades may require re-committing port profiles for stocked QSFP+ DAC Breakout Cable units.
Q8: What is the standard lead time for stocked bulk orders of this QSFP+ DAC Breakout Cable for global distributors? A: Ready stock orders normally ship within 3–5 working days. HYTOPTODEVICE holds local inventory and can arrange expedited shipping for urgent Juniper fabric project procurement.
Q9: Does this QSFP+ DAC Breakout Cable support Juniper lossless Ethernet and FCoE storage traffic? A: Yes, passive twinax does not interfere with PFC priority flow control frames. It reliably transports FCoE and storage traffic, ideal for buyers building Juniper unified storage fabrics.
Q10: What is the first troubleshooting step if one SFP+ breakout interface stays down on QFX5100? A: First verify the chassis port channelization configuration and re-seat the SFP+ connector. Downed lanes most often come from missing commit commands or loose insertion on newly purchased cables.
Q11: Are there special storage requirements if wholesalers keep this QSFP+ DAC Breakout Cable in warehouse inventory long term? A: Store in cool, dry indoor conditions away from corrosive dust. High-purity copper conductors used by HYTOPTODEVICE preserve electrical specs for multi-year resale stock.
Q12: Is an extra software license required to enable 40G to 4x10G breakout on Juniper QFX5100 switches? A: Breakout channelization is a base hardware feature on most QFX5100 platforms and does not require premium license keys. Buyers should verify port mode support on the hardware datasheet before ordering.
Q13: Can the four SFP+ branches of this QSFP+ DAC Breakout Cable connect to 10G SFP+ NICs in standard x86 servers? A: Yes, the SFP+ legs interoperate with generic 10G SFP+ network adapters. This is a cost-effective cabling solution for Juniper fabrics paired with standard rack servers.
Q14: What compliance and test documentation can HYTOPTODEVICE provide for enterprise tender bids? A: We can provide batch TDR test reports, RoHS and REACH certificates. These documents help wholesalers qualify for government and enterprise tender projects based on Juniper networking.
Q15: Can this QSFP+ DAC Breakout Cable be re-programmed for SONiC white-box switches after Juniper hardware decommissioning? A: Yes, HYTOPTODEVICE provides EEPROM re-flash service. It lets resellers repurpose stocked breakout cables for open-source SONiC leaf switch deployments to improve inventory ROI.
Packaging & Custom OEM Solutions
ESD Protection & Fast Shipping: Every transceiver is sealed in an ESD-safe bag and ready for same-day dispatch from stock.
Custom OEM & Branding: We provide logo printing, private labeling, and custom packaging to help distributors and integrators build their brand—no factory investment required.
Why Network Engineers Choose HYTOPTODEVICE
HYTOPTODEVICE has supplied over 5000,000 optical transceiver modules to data centers, ISPs, and enterprise networks across 100+ countries since 2011. Every module undergoes a 72-hour burn-in test and full DDM/DOM validation before shipment.
“Phenomenal performance. We deployed 200 HYTOPTODEVICE SFP modules to replace Cisco OEMs in our backbone network. Result? Zero compatibility issues and a 60% reduction in costs. Highly recommended for mission-critical networks."— Senior Network Engineer, Regional Telecom, Australia
Quality Certification & Compliance
At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final visual inspection, from IQC、IPQC、FQC to OQC, our processes ensure global compliance and reliability.
We adhere to rigorous standards for our SFP modules and network solutions:
ISO 9001: Certified quality management and production consistency.
CE & FCC: Fully compliant for seamless Global Market Access.
RoHS: Committed to environmental responsibility and hazardous material control.
Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.
Certified Quality. Global Standards. Guaranteed Performance.
