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JL308
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Aruba 40G QSFP+ LC BiDi 150m MMF XCVR
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JL308
- Description:
- Aruba 40G QSFP+ LC BiDi 150m MMF XCVR
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JL308 Overview
JL308 is a high-performance SFP+ transceiver designed for 10G Ethernet applications in data centers and enterprise networks. This module features an LC connector and supports a short-range transmission distance over multi-mode fiber, making it ideal for high-speed, low-latency communications in critical network environments.
JL308 delivers reliable performance with support for Ethernet protocols and adheres to a compact SFP+ form factor, ensuring seamless integration into existing telecom and network infrastructures. Its optimized physical dimensions and robust design also cater to rigorous operating conditions, providing an excellent solution for modern high-speed network connectivity requirements.
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JL308 Specifications
- Product Type
- Transceiver
- Form Factor
- SFP+
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 850 nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 300 meters
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- 1.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- JL308 10GBASE-SR SFP+ Transceiver
- Height
- 0.125 inches
- Width
- 0.5 inches
- Depth
- 0.75 inches
- Weight
- 0.05 lbs
JL308 Use Case
High-Density Spine-Leaf Data Center Interconnect
In a hyperscale data center deploying Aruba 40G QSFP+ LC BiDi 150m MMF transceivers (JL308), network engineers replace legacy 10G links with 40G BiDi optics over existing OM4 fiber trunks. This use case halves fiber count, maximizes port density on spine and leaf switches, and delivers 4× greater East-West throughput—boosting VM migration speeds by up to 300% and lowering cabling and operational costs.
Campus Backbone Upgrade for Education and Research
A large university leverages JL308 Aruba 40G QSFP+ LC BiDi modules to modernize its multimode fiber campus backbone across 120-150m building links. By using BiDi optics on standard LC duplex patches, IT staff avoid costly re-cabling, achieve seamless 40G uplinks between core switches, and support bandwidth-hungry e-learning, VR labs, and big-data research applications—improving network resilience and cutting infrastructure refresh expenses by 40%.
High-Performance Computing Cluster Node Interconnect
An HPC center implements Aruba JL308 40G QSFP+ LC BiDi 150m MMF transceivers to link compute nodes and storage arrays within rack-to-rack distances under 150 meters. This setup delivers ultra-low latency and 40G bandwidth per port, enabling parallel processing workloads (MPI, AI training, scientific simulations) to scale efficiently. The outcome is a 50% reduction in interconnect congestion and a 25% performance uplift in distributed compute tasks.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JL308 |  J4858C |  J4859D (5 Units) |  JL563A |  J4860D | |
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 10G | 10G | 40G | 10G | 10G |
| Depth | 0.75 inches | 0.65 inches | 0.4 inches | 1.5 inches | 1.5 inches |
| Fiber Type | Multi-mode | Multi-mode | Multi-mode | Multi-mode | Multi-mode |
| Form Factor | SFP+ | SFP+ | QSFP+ | SFP | SFP+ |
| Height | 0.125 inches | 0.12 inches | 0.9 inches | 0.8 inches | 0.9 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 300 meters | 300 meters | 300 meters | 300 meters | 300 meters |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 1.5W | 3.8W | 3.5W | 1.5 W | 3.0W |
| Product Name | JL308 10GBASE-SR SFP+ Transceiver | J4858C 10G SFP+ Optical Transceiver | J4859D QSFP+ Transceiver Module (5 Units) | JL563A 10G SFP Transceiver | J4860D 10G SFP+ Transceiver |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Wavelength | 850 nm | 850 nm | 850 nm | 850 nm | 850nm |
| Weight | 0.05 lbs | 0.05 lbs | 0.2 lbs | 0.05 lbs | 0.1 lbs |
| Width | 0.5 inches | 0.65 inches | 0.7 inches | 1.2 inches | 0.65 inches |
Reviews & Ratings
I
Imran Foxley
4
Consistent short-range 40G links.
N
Niels Kristensen
5
Stable bidirectional performance.
H
Hamid Loughton
5
Easy deployment.
J
Jonathan Reed
5
Strong Aruba optic.
Questions & Answers
What is the Aruba 40G QSFP+ LC BiDi 150m MMF XCVR (SKU: JL308)?
The Aruba 40G QSFP+ LC BiDi 150m MMF XCVR (SKU: JL308) is a 40 Gbps bi-directional multimode fiber transceiver designed for high-density data center and campus interconnects over duplex LC connectors up to 150 meters on OM3/OM4 fiber.
Which fiber connectors and cable types are compatible with the Aruba JL308 transceiver?
The JL308 transceiver uses standard duplex LC connectors with OM3 and OM4 multimode fiber cables.
What is the maximum transmission distance of this Aruba 40G QSFP+ BiDi transceiver?
This transceiver supports a maximum reach of 150 meters over OM3 or OM4 multimode fiber.
What data rate and protocol does the Aruba JL308 support?
The Aruba JL308 supports 40 Gigabit Ethernet (40GbE) using the QSFP+ MSA protocol.