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Juniper

Juniper QSFP-400G-DR4-2 | QSFP112 400GbE DR4 Transceiver, SMF 2km, MPO-12, 0–70°C

Juniper QSFP-400G-DR4-2 | QSFP112 400GbE DR4 Transceiver, SMF 2km, MPO-12, 0–70°C

QSFP-400G-DR4-2

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Description

The QSFP-400G-DR4-2 is a Juniper Networks QSFP112 400GBASE-DR4 optical transceiver designed for high-density data centre, AI/ML fabric, and high-performance computing interconnects. Operating over OS2 single-mode fibre with an MPO-12 connector, it delivers 400 Gigabit Ethernet across four 100G PAM4 lanes at 1310nm, reaching up to 2 km — making it ideal for intra-data-centre spine-leaf and top-of-rack deployments.

Built to standard commercial temperature specifications (0°C to 70°C), the module supports Digital Optical Monitoring (DOM) for real-time diagnostics and is hot-swappable for simplified maintenance. RoHS compliant and validated for Juniper platforms, it integrates seamlessly into high-capacity routing and switching environments. Buy today from iptrading.com.au — fast shipping and expert service across Australia.

Features

- QSFP112 compact form factor with four 112 Gbps electrical lanes for 400GbE density
- 400GBASE-DR4 standard compliant using 4-lane PAM4 optical signalling at 1310 nm
- Extended 2 km reach over OS2 single-mode fibre for intra-data-centre connectivity
- MPO-12 connector enables high-density parallel fibre cabling in structured environments
- Standard commercial temperature operation (0°C to 70°C) for typical data centre environments
- Digital Optical Monitoring (DOM) support for real-time optical diagnostics
- Hot-swappable design minimises downtime during maintenance or replacement
- RoHS compliant for environmentally responsible deployments
- Validated for Juniper data centre, AI/ML fabric, and HPC switching platforms

Warranty

Juniper products are supplied with standard manufacturer warranty terms, which vary by product and can range from 1 year through to limited lifetime coverage. IP Trading can also provide Juniper J-Care warranty and support extensions for customers who need longer coverage or enhanced support options. https://support.juniper.net/support/warranty/

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

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Technical Specifications

FAQs

Technical Specifications

- Form Factor: QSFP112
- Data Rate: 400GbE (400GBASE-DR4)
- Electrical Interface: 4x112 Gbps (QSFP112)
- Optical Interface: 4x100G PAM4
- Wavelength: 1310 nm
- Fiber Type: Single-Mode Fiber (SMF / OS2)
- Maximum Reach: 2 km
- Connector: MPO-12
- Operating Temperature: 0°C to 70°C (Standard/Commercial)
- Digital Optical Monitoring (DOM): Yes
- Hot-Swappable: Yes
- Compliance: RoHS

FAQs

Q: What fiber type and connector does the QSFP-400G-DR4-2 require?
A: It requires OS2 single-mode fibre (SMF) terminated with an MPO-12 connector. The module supports up to 2 km of reach using 4-lane PAM4 optical signalling at 1310 nm.

Q: What is the difference between QSFP112 and QSFP28 or QSFP56?
A: QSFP112 is a higher-speed evolution of the QSFP form factor, providing four electrical lanes each running at 112 Gbps (PAM4) for a total of 400 Gbps per module. QSFP28 runs at 4x28 Gbps (100G total) and QSFP56 runs at 4x56 Gbps (200G total).

Q: Which Juniper platforms are compatible with this transceiver?
A: The QSFP-400G-DR4-2 is designed and validated for use in Juniper Networks routing and switching platforms that support 400GbE QSFP112 ports, including QFX and PTX series devices. Consult Juniper's Hardware Compatibility Tool (HCT) to confirm compatibility with your specific platform.

Q: Is the QSFP-400G-DR4-2 suitable for data centre AI/ML fabric deployments?
A: Yes. The 400GBASE-DR4 standard with 2 km SMF reach is commonly used for data centre spine-leaf, AI/ML compute fabric, and high-performance computing interconnects where high bandwidth over single-mode fibre is required.

Q: Does this transceiver support Digital Optical Monitoring (DOM)?
A: Yes, the QSFP-400G-DR4-2 supports DOM, allowing real-time monitoring of optical parameters such as transmit power, receive power, temperature, and supply voltage directly through the host device's management interface.

Q: Can I purchase the QSFP-400G-DR4-2 in Australia from IP Trading?
A: Yes. iptrading.com.au stocks Juniper transceivers including the QSFP-400G-DR4-2, with fast shipping and expert pre-sales support across Australia. Contact our team for volume pricing or deployment advice.

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