What wavelength does the J4859D operate at?

The Aruba J4859D SFP modules operate at a nominal wavelength of 1310 nm, providing low-loss transmission over long distances.

Is the Aruba J4859D hot-swappable?

Yes, Aruba J4859D transceivers are hot-swappable, allowing insertion or removal without powering down the network device.

Which data rate does the J4859D support?

The Aruba J4859D supports a data rate of 1.25 Gbps (1G) for Gigabit Ethernet applications.

How many SFP modules are included in the J4859D pack?

The Aruba J4859D SKU includes five individual 1G SFP LC LX transceiver modules in one factory-sealed pack.

Are Aruba J4859D transceivers compatible with third-party switches?

These Aruba-branded modules are compatible with Aruba and most major switch vendors supporting standard 1G SFP ports.

How do I install the Aruba J4859D SFP module?

To install, align the J4859D module with the SFP slot, push until it clicks, then connect LC fiber cables and verify link activity.

What are the operating temperature specifications of the J4859D?

The Aruba J4859D operates reliably in temperatures from 0 °C to 70 °C (32 °F to 158 °F) for standard deployments.

What is the optical power budget of the Aruba J4859D?

The J4859D offers a transmit power range of –9.5 to –3 dBm and a receiver sensitivity of –20 dBm, ensuring a robust link budget over 10 km.

Does the J4859D come with a warranty?

Yes, Aruba provides a one-year limited hardware warranty on all J4859D transceivers against defects and performance failures.

What is Aruba’s return policy for the J4859D?

Unused Aruba J4859D modules may be returned within 30 days of purchase for a full refund under Aruba’s standard return policy.

Can I use the Aruba J4859D for building out long-haul networks?

Absolutely; the Aruba J4859D is optimized for campus and metro networks requiring reliable 10 km single-mode fiber connectivity.

How do I troubleshoot link issues with the Aruba J4859D transceiver?

Verify you’re using single-mode LC fiber, check link-status LEDs on both ends, confirm switch port settings, and update firmware if needed.

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J4859D (5 Units)

Aruba 1G SFP LC LX 10km SMF Transceivers (5 Units)

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J4859D (5 Units) Overview

J4859D (5 Units) QSFP+ transceiver modules deliver 40G data rate performance with LC connector interfaces and short-range transmission capabilities for multi-mode fiber, making them ideal for high-density data center and enterprise network applications. Designed with industry-standard form factors, these modules offer compact physical dimensions and reliable Ethernet protocol support for streamlined network integration.

J4859D (5 Units) modules are engineered to ensure optimal performance in telecom and data center infrastructures. With their robust design, these QSFP+ transceivers provide consistent connectivity, low power consumption, and seamless compatibility with major vendors such as Cisco, Juniper, Huawei, and Arista, making them a trusted choice for modern network deployments.

J4859D (5 Units) price is is available on request. Get immediate quote.

Request bulk order quote for J4859D (5 Units) for additional pricing. Browse the full Aruba Switches Transceivers series or explore all Hpe products.

J4859D (5 Units) Specifications

Product Type: Transceiver
Form Factor: QSFP+
Data Rate: 40G
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: 3.5W
Operating Temperature: 0 to 70°C
Storage Temperature: -40 to 85°C
Input Voltage: 3.3V
Compatibility: Cisco, Juniper, Huawei, Arista
Product Name: J4859D QSFP+ Transceiver Module (5 Units)
Height: 0.9 inches
Width: 0.7 inches
Depth: 0.4 inches
Weight: 0.2 lbs

J4859D (5 Units) Use Case

Data Center Inter-Switch Fiber Link with Aruba J4859D 1G SFP LC LX

In a multi-rack data center environment, network engineers deployed five units of Aruba J4859D 1G SFP LC LX 10 km SMF transceivers to interconnect core and aggregation switches over single-mode fiber. This setup ensures low-latency, congestion-free traffic flow across racks up to 10 km apart, delivering predictable 1 Gbps bandwidth and seamless switch-to-switch interoperability. The outcome: simplified cable management, reduced port conflicts, and a resilient backbone that meets strict uptime SLAs.

Campus Backbone Connection Across University Buildings

A university IT team needed a cost-effective, high-reliability link to connect multiple academic buildings across a 7 km campus span. By installing five Aruba J4859D 1G SFP LC LX transceivers on both ends of existing single-mode fiber, they achieved consistent 1 Gbps connectivity for VoIP, e-learning platforms, and administrative systems. The result: lowered cabling costs, centralized network management, and guaranteed performance for mission-critical applications.

Remote Surveillance Network Extension for Industrial Facility

An industrial plant integrated CCTV and access-control systems located in an offsite security outpost 9 km from the main control room. Utilizing five Aruba J4859D 1G SFP LC LX 10 km SMF transceivers, operators established a dedicated fiber-based 1 Gbps channel that supports real-time video streams and alarm data. This solution delivered interference-free monitoring with ultra-low packet loss, ensuring rapid incident response and compliance with enterprise safety standards.

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	J4859D (5 Units)	JL308	J4858C	J9283D	JH232A
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	40G	10G	10G	10G	10G
Depth	0.4 inches	0.75 inches	0.65 inches	0.65 inches	0.50 inches
Fiber Type	Multi-mode	Multi-mode	Multi-mode	Single-mode	Multi-mode
Form Factor	QSFP+	SFP+	SFP+	SFP+	SFP+
Height	0.9 inches	0.125 inches	0.12 inches	0.28 inches	0.25 inches
Input Voltage	3.3V	3.3V	3.3V	3.3V	3.3V
Max Distance	300 meters	300 meters	300 meters	80 km	300 meters
Network Interface	Fiber	Fiber	Fiber	Fiber	Fiber
Operating Temperature	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C
Power Consumption	3.5W	1.5W	3.8W	3.5 W	1.5W
Product Name	J4859D QSFP+ Transceiver Module (5 Units)	JL308 10GBASE-SR SFP+ Transceiver	J4858C 10G SFP+ Optical Transceiver	J9283D LR SFP+ Transceiver	JH232A 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
Transmission Distance	Short-Range	Short-Range	Short-Range	Long-Range	Short-Range
Wavelength	850 nm	850 nm	850 nm	1310 nm	850 nm
Weight	0.2 lbs	0.05 lbs	0.05 lbs	0.1 lbs	0.15 lbs
Width	0.7 inches	0.5 inches	0.65 inches	0.8 inches	0.87 inches

Questions & Answers

What is the Aruba J4859D (5 Units) 1G SFP LC LX 10km SMF Transceiver kit?

The Aruba J4859D kit contains five 1G SFP LC LX transceivers designed for single-mode fiber links up to 10 km, ideal for high-speed network extensions.

What transmission distance does the Aruba J4859D support?

Each Aruba J4859D transceiver supports a maximum transmission distance of 10 kilometers over single-mode fiber.

Which fiber cable type is required for the J4859D transceiver?

The J4859D transceivers require single-mode fiber (SMF) cabling to achieve their full 10 km reach and optimal signal integrity.

What connector type does the Aruba J4859D use?

Aruba J4859D modules use LC duplex connectors for reliable and compact fiber optic connections.

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J4859D (5 Units) Overview

J4859D (5 Units) price is is available on request. Get immediate quote.

Request bulk order quote for J4859D (5 Units) for additional pricing. Browse the full Aruba Switches Transceivers series or explore all Hpe products.

J4859D (5 Units) Specifications

Product Type

Transceiver

Form Factor

QSFP+

Data Rate

40G

Connector Type

Wavelength

850 nm

Transmission Distance

Short-Range

Fiber Type

Multi-mode

Max Distance

300 meters

Supported Protocols

Ethernet

Network Interface

Fiber

Power Consumption

3.5W

Operating Temperature

0 to 70°C

Storage Temperature

-40 to 85°C

Input Voltage

3.3V

Compatibility

Cisco, Juniper, Huawei, Arista

Product Name

J4859D QSFP+ Transceiver Module (5 Units)

Height

0.9 inches

Width

0.7 inches

Depth

0.4 inches

Weight

0.2 lbs