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XFP ER transceiver handled long range connections smoothly.
JD121A
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HP X135 10G XFP LC ER Transceiver
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JD121A
- Description:
- HP X135 10G XFP LC ER Transceiver
- Rating:
Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Hpe
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- Warranty:
- 3
- List Price:
$1,118.00
- Price:
$948.0015.2% off
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JD121A Overview
JD121A is a high-performance SFP+ transceiver that provides 10G data rate transmission for modern Ethernet applications. It features an LC connector paired with multi-mode fiber technology, delivering short-range connectivity at a wavelength of 850nm over distances up to 300 meters. Designed to support both Ethernet and Fibre Channel protocols, this transceiver ensures robust network performance and reliable data integrity in demanding environments.
JD121A is engineered for versatile use in data centers, enterprise networks, and telecom platforms that require high-speed connectivity in compact form factors. With industry-standard power consumption, operating, and storage temperature specifications, its precise physical dimensions facilitate seamless integration into existing hardware setups while maintaining compatibility with leading network vendors.
JD121A price is $948.00, a 15.2% saving from the Hpe list price of $1,118.00. JD121A is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for JD121A for additional pricing. Browse the full category range or explore all Hpe products.
JD121A Specifications
- Product Type
- Transceiver
- Form Factor
- SFP+
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 850nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 300 meters
- Supported Protocols
- Ethernet, Fibre Channel
- Network Interface
- Ethernet
- 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
- JD121A SFP+ Transceiver
- Height
- 0.5 inches
- Width
- 0.8 inches
- Depth
- 1.2 inches
- Weight
- 0.1 lbs
JD121A Use Case
10G Data Center Interconnect with Extended-Reach SMF
In a multi-site data center environment requiring 10 Gbps links over single-mode fiber spans up to 30 km, the JD121A-HP X135 10G XFP LC ER Transceiver delivers carrier-grade performance and ultra-low latency. By leveraging its extended-reach optics and LC interface, network architects achieve seamless spine-leaf aggregation and high-availability cross-connects without signal regeneration. Benefit: Simplified DCI deployment with consistent 10G throughput, sub-2µs latency, and 40% lower power draw than competing modules.
Enterprise Campus Backbone Connectivity
For large corporate campuses with distributed buildings separated by 10–40 km, the JD121A-HP X135 enables resilient 10-Gigabit Ethernet backhaul over existing single-mode fiber. IT teams implement ring or mesh topologies with hot-swappable XFP ports, ensuring minimal downtime for VoIP, video conferencing, and cloud access. Benefit: Scalable campus backbone with predictable 10 GbE performance, pluggable simplicity, and up to 40 km reach for future-proof expansion.
Metro Ethernet Link in Service-Provider Networks
In a carrier’s metro aggregation ring, the JD121A-HP X135 10G XFP ER Transceiver supports 10 Gbps subscriber traffic across dark fiber up to 40 km. Service providers achieve end-to-end SLA compliance for business Ethernet, mobile backhaul, and cloud-VPN services. Benefit: Enhanced network economics through consolidated optics, optimized fiber utilization, and guaranteed 10G availability in a redundant ring architecture.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JD121A |  J4860D |  C8R24B |  C8R24A |  J4860C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | SFP+ | SFP | QSFP+ | QSFP |
| Data Rate | 10G | 10G | 10G | 40G | 100G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850nm | 850nm | 850 nm | 850 nm | 850nm |
| Transmission Distance | Short-Range | Short-Range | Short-Range | Short-Range | Short-Range |
| Fiber Type | Multi-mode | Multi-mode | Multi-mode | Multi-mode | Multi-mode |
| Max Distance | 300 meters | 300 meters | 300 meters | 100 meters | 100 meters |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Ethernet | Ethernet | Fiber | Fiber | Ethernet |
| Power Consumption | 3.5W | 3.0W | N/A | 3.5W | 8W |
| 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 | JD121A SFP+ Transceiver | J4860D 10G SFP+ Transceiver | C8R24B SFP Transceiver Module | C8R24A QSFP+ 40G Short-Range Transceiver | J4860C QSFP28 100G Transceiver Module |
| Height | 0.5 inches | 0.9 inches | N/A | 0.5 inches | 0.65 inches |
| Width | 0.8 inches | 0.65 inches | N/A | 0.9 inches | 0.8 inches |
| Depth | 1.2 inches | 1.5 inches | N/A | 1.2 inches | 2.0 inches |
| Weight | 0.1 lbs | 0.1 lbs | N/A | 0.15 lbs | 0.2 lbs |
Reviews & Ratings
R
Rehan Latif
5
Stable throughput and clean installation.
C
Carlos Vega
5
Good compatibility with existing optics.
L
Lars Holm
5
Reliable performance under load.
E
Ethan Powell
5
Satisfied with results.
Questions & Answers
What is the HP X135 10G XFP LC ER Transceiver (JD121A)?
The JD121A is a 10 Gbps XFP optical transceiver from HP designed for long-range single-mode fiber applications up to 40 km at 1310 nm.
What is the maximum transmission distance of the JD121A?
The HP X135 10G XFP LC ER Transceiver supports links up to 40 kilometers over single-mode fiber (SMF, OS2).
Which fiber type and connector does the JD121A use?
It uses single-mode fiber (OS2) with a standard LC duplex connector interface.
What wavelength does the HP X135 10G XFP LC ER Transceiver operate on?
This transceiver operates at a nominal wavelength of 1310 nm for extended-range applications.