United States$5,000,000+
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Owen Bartlett
5
XFP ER transceiver handled long range connections smoothly.
JD121A
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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- Warranty:
- 3
- List Price:
$1,118.00
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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)
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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.
Is the JD121A hot-swappable?
Yes, the HP X135 10G XFP LC ER Transceiver is hot-swappable for seamless installation and replacement without system shutdown.
Which HP devices are compatible with the JD121A?
The JD121A is compatible with HP switches and routers featuring XFP slots, including the HP 8200, 8400, and 10500 series.
Does the JD121A support Digital Diagnostics Monitoring (DDM)?
Yes, it supports SFF-8472 DDM, providing real-time monitoring of optical power, temperature, and voltage.
What is the data rate supported by the HP X135 10G XFP LC ER Transceiver?
The transceiver supports up to 10.3125 Gbps line rate for 10 Gigabit Ethernet applications.
What is the operating temperature range for the JD121A?
The operating temperature range is 0 °C to 70 °C (32 °F to 158 °F) for standard environmental conditions.
How much power does the HP X135 10G XFP LC ER Transceiver consume?
Typical power consumption is ≤ 3.5 W under normal operating conditions.
What type of connector interface does the JD121A feature?
The module features a duplex LC connector, ensuring compatibility with standard single-mode fiber cabling.
Is the JD121A interoperable with third-party optics?
While designed for HP hardware, it may work with other vendors’ XFP ports; full compatibility is only guaranteed on HP platforms.
What is the Mean Time Between Failures (MTBF) for the JD121A?
The HP X135 10G XFP LC ER Transceiver has an MTBF exceeding 1,000,000 hours under standard conditions.
Does the JD121A include a warranty?
Yes, it carries HP’s limited lifetime warranty when used in supported HP equipment purchased from authorized channels.
How do I install the HP X135 10G XFP LC ER Transceiver?
Align the LC ports, insert the module into the XFP slot until the latch clicks, then verify the link status on your switch or router.
Where can I purchase genuine HP JD121A transceivers?
Purchase the JD121A directly from HP or authorized HP channel partners to ensure authenticity and warranty coverage.