Juniper JNP-QSFP-100G-LR4 Switches Overview
Juniper JNP-QSFP-100G-LR4 Switches is a genuine modular capacity expansion product from Juniper, a specialist in high-performance routing and switching, trusted in service-provider and large-enterprise networks. Belonging to the Juniper family, the Juniper JNP-QSFP-100G-LR4 unit is built to the original factory specification, so it integrates with existing Juniper deployments predictably and behaves exactly as the platform documentation describes. In the network, it is installed into a compatible chassis slot, where it works alongside the supervisor and line cards to extend the platform’s capabilities.
This unit follows the original factory specification for the Juniper family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Juniper equipment already deployed in the network.
Typical deployments include short-reach data-center interconnects, campus backbone fiber links, and carrier access and metro networks. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “QSFP28 100GBase-L4 Optics for up to 10km transmission over serial SMF”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the Juniper JNP-QSFP-100G-LR4. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Capacity Expansion
Add ports and performance to existing chassis.
Upgrade Path
Modernize aging platforms with compatible modules.
Flexible I/O
Mix copper, fiber and high-speed uplinks.
Buying a Pre-Owned Juniper JNP-QSFP-100G-LR4
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
Juniper JNP-QSFP-100G-LR4 Specifications | |
| Product Name | Juniper JNP-QSFP-100G-LR4 |
| Form Factor | QSFP28 |
| Data Rate | 100 Gbps |
| Wavelength | LAN WDM (1295.56, 1300.05, 1304.58, 1309.14 nm) |
| Interface | LC duplex |
| Cable Type | Single-mode Fiber (SMF) |
| Transmission Distance | Up to 10 km |
| Protocols Supported | 100 Gigabit Ethernet, MSA Compliant |
| Operating Temperature | 0��C to 70��C |
| Max Power Consumption | 3.5W |
| Diagnostics Support | Digital Optical Monitoring (DOM) |
| Hot Swappable | Yes |
| MTBF | High reliability with an MTBF (mean time between failures) of over 300,000 hours |
| Compatibility | Compatible with Juniper Networks devices and intended for use in Juniper platforms |
| Applications | Designed for use in 100G Ethernet links, data center, and high-performance computing networks |
| Certifications | Compliant with QSFP28 MSA, IEEE 802.3ba 100GBASE-LR4 standards |
| Modulation Format | 4-lane LAN-WDM |
| Receiver Sensitivity | -10.6 dBm (maximum) |
| Transmitter Power | -4.3 to 4.5 dBm (per lane) |
| Connector Type | LC |
| Electrical Interface | CAUI-4 (100G Ethernet) |
Juniper JNP-QSFP-100G-LR4 - Compatibility Notes
This Juniper JNP-QSFP-100G-LR4 transceiver/module variant is specified for the reach, wavelength, and form factor indicated in the specifications above. Confirm compatibility with your switch or router platform, including the required coding (Cisco, Juniper, Huawei, H3C) and supported data rate, before ordering.
When building out or refreshing links, match the transceiver variant to the optics budget and distance of each run. Our team can confirm compatibility with specific platforms and provide bulk pricing.
Each Juniper JNP-QSFP-100G-LR4 unit is tested for correct operation and performance before dispatch, ensuring reliable link establishment on arrival.
Juniper JNP-QSFP-100G-LR4 - Juniper Series Notes
This listing is part of the Juniper enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Juniper switch runs Junos OS and is typically deployed in campus access, aggregation, or data-center roles. It provides reliable Layer 2/3 switching for user, server and uplink connectivity, and integrates with Juniper Mist or CLI-based management.
Deployment guidance: When planning this Juniper JNP-QSFP-100G-LR4 unit into a network, confirm the Junos OS version required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Juniper reconditioning process: Every pre-owned Juniper unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Juniper management tools.
Related models in this family: EX8200-8XS, EX8208-SRE320, EX8208, EX4500-40F-VC1-BF, EX4200-48T. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.







