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Pam Ross
5
Perfect 2km LR4L solution. Cost-effective and reliable for intra-building 40G links. Solid.
JG661A-LR4L-C
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40G QSFP+ LC LR4L SM 2KM Transceiver HP X140 Compatible
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JG661A-LR4L-C
- Description:
- 40G QSFP+ LC LR4L SM 2KM Transceiver HP X140 Compatible
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JG661A-LR4L-C Overview
JG661A-LR4L-C is a high-performance SFP optical transceiver engineered for 10G Ethernet applications. Designed with an LC connector and optimized for long-range data transmission, this module meets the stringent requirements of modern data centers, enterprise networks, and telecom infrastructures.
Manufactured in a compact SFP form factor with standardized physical dimensions, JG661A-LR4L-C supports robust Ethernet protocols while delivering reliable connectivity over extended distances. Its single-mode fiber compatibility and precise engineering ensure low latency and high signal integrity, making it a trusted choice for mission-critical network deployments.
JG661A-LR4L-C price is is available on request. Get immediate quote.
Request bulk order quote for JG661A-LR4L-C for additional pricing. Browse the full Hpe Compatible Qsfp+ series or explore all Orm products.
JG661A-LR4L-C Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- 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
- JG661A-LR4L-C 10G SFP Optical Transceiver
- Height
- 0.28 inches
- Width
- 0.55 inches
- Depth
- 2.2 inches
- Weight
- 0.1 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JG661A-LR4L-C |  JC858A-C |  E7Y33A-C |  JH891A-C |  JH890A-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP+ | SFP+ | SFP+ | QSFP28 |
| Data Rate | 10G | 10G | 10G | 10G | 100G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1310 nm | 850 nm | 850nm | 1310 nm | 850nm |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Long-Range | Short-Range |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Single-mode | Multi-mode |
| Max Distance | 10 km | 300 meters | 300 meters | 10 km | 100 meters |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | 2.5 W | 3.5W | 1.5W | 15W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | JG661A-LR4L-C 10G SFP Optical Transceiver | JC858A-C SFP+ Transceiver Module | E7Y33A-C 10G SFP+ SR Transceiver | JH891A-C | JH890A-C |
| Height | 0.28 inches | 0.87 inches | 0.65 inches | 0.3 inches | 0.62 inches |
| Width | 0.55 inches | 0.45 inches | 0.8 inches | 0.5 inches | 0.88 inches |
| Depth | 2.2 inches | 0.35 inches | 1.8 inches | 1.2 inches | 1.00 inches |
| Weight | 0.1 lbs | 0.05 lbs | 0.1 lbs | 0.04 lbs | 0.25 lbs |
Reviews & Ratings
R
Ray Blake
5
Recognized instantly. Stable 40Gbps performance over 2km SM fiber. Highly recommended hardware.
S
Sue Scott
5
Excellent build quality. These LR4L transceivers offer clear signaling and easy installation.
T
Ty Burke
5
Consistent throughput. No configuration issues. Perfect for 40G links up to 2km.
V
Val Jett
4
Reliable 40G LR4L. Professional grade optics for high-density switching environments. Very happy.
W
Will Cole
4
Outstanding value. Performance is rock-solid for our 2km server cluster interconnects. Recommended.
Z
Zoe Thorne
5
Top-tier reliability. Easy to deploy and perfectly stable 40G transport. Great alternative.
Questions & Answers
What is the JG661A-LR4L-C transceiver?
The JG661A-LR4L-C is a 40G QSFP+ LC LR4L single-mode fiber transceiver supporting up to 2 km links and fully HP X140 compatible.
Is the JG661A-LR4L-C compatible with HP X140 switches?
Yes, the JG661A-LR4L-C is OEM-tested for full interoperability with HP X140 series switches.
What fiber type does this 40G QSFP+ transceiver support?
It supports single-mode fiber (SMF) using LC duplex connectors.
What is the maximum transmission distance for the JG661A-LR4L-C?
It supports up to 2 kilometers over standard single-mode fiber.
Which connector type is used by this transceiver?
The JG661A-LR4L-C uses LC duplex fiber connectors.
What wavelength does the 40G QSFP+ LR4L transceiver use?
It operates on four LAN-WDM wavelengths: 1271 nm, 1291 nm, 1311 nm, and 1331 nm.
What housing and form factor does the JG661A-LR4L-C have?
It is housed in a QSFP+ (Quad Small Form-factor Pluggable) module for 40G Ethernet applications.
Is the JG661A-LR4L-C MSA-compliant?
Yes, it meets the QSFP+ Multi-Source Agreement (MSA) standards.
What power consumption can I expect from this transceiver?
It typically consumes less than 3.5 Watts during full operation.
Can the JG661A-LR4L-C be hot-swapped?
Yes, the QSFP+ form factor supports hot-pluggable insertion and removal without system downtime.
What operating temperature range does this transceiver support?
It operates reliably between 0 °C and +70 °C (32 °F to 158 °F).
What applications is this 40G LR4L transceiver ideal for?
It is designed for data centers, enterprise networking, high-performance computing, and metro transport.
Does the JG661A-LR4L-C include diagnostic monitoring?
Yes, it supports Digital Optical Monitoring (DOM) for real-time tracking of temperature, voltage, and optical power.
Is there a warranty provided with the transceiver?
The JG661A-LR4L-C is backed by a one-year limited warranty covering manufacturing defects.
How do I install the QSFP+ LR4L transceiver?
Align the module with the switch’s QSFP+ port, insert until the latch clicks, then attach LC fiber cables.
How can I monitor the performance of the transceiver?
Use the host switch's DOM feature or an SNMP-based network management tool to read real-time optical parameters.