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JD121A-C
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- 10G XFP ER Transceiver HP X135 Compatible
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3 Year Extended Warranty
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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JD121A-C Overview
JD121A-C is a SFP+ transceiver module engineered for 10G Ethernet applications. It features an LC connector type and supports a 10G data rate over multi-mode fiber with a short-range transmission design, making it ideally suited for data center, enterprise network, and telecom applications. The module adheres to Ethernet protocols and has physical dimensions tailored for efficient installation in high-density environments.
JD121A-C is designed with a compact SFP+ form factor that aligns with industry standards, ensuring reliable optical performance and seamless integration with equipment from leading vendors such as Cisco, Juniper, Huawei, and Arista. Its robust design and optimal power characteristics make it an excellent choice for modern network infrastructures requiring consistent, high-speed communication.
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JD121A-C 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 |
| 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 | JD121A-C 10G SFP+ Transceiver Module |
| Height | 0.25 inches |
| Width | 0.90 inches |
| Depth | 1.75 inches |
| Weight | 0.08 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | N/A | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 1G | 10G | 10G | 1G | 10G |
| Depth | N/A | N/A | N/A | N/A | 1.75 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Multi-mode |
| Form Factor | SFP | SFP+ | XFP | SFP | SFP+ |
| Height | N/A | N/A | N/A | N/A | 0.25 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 40 km | 20 km | 80 km | 10 km | 300 meters |
| Network Interface | Ethernet | Fiber | Ethernet | 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 | N/A | N/A | 3.5 W | N/A | 1.5W |
| Product Name | SFP-GE-LH40-SM1550-BIDI | SFP-10G-BX-U20-C | DWDM-XFP-4214-ER-C | Cisco 15454-SFP-GE+-LX-C | JD121A-C 10G SFP+ Transceiver Module |
| 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, Fibre Channel | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Long-Range | Extended-Range | Long-Range | Short-Range |
| Wavelength | 1550 nm | 1310nm/1490nm | 1550 nm | 1310 nm | 850nm |
| Weight | N/A | N/A | N/A | N/A | 0.08 lbs |
| Width | N/A | N/A | N/A | N/A | 0.90 inches |
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Questions & Answers
Q
What is the JD121A-C 10G XFP ER Transceiver HP X135 Compatible?
A
The JD121A-C is a high-performance 10 Gigabit XFP ER (Extended Reach) optical transceiver designed to be fully compatible with HP X135 and other XFP-enabled networking equipment.
Q
Which devices and brands is the JD121A-C compatible with?
A
This transceiver is validated for seamless operation in HP, HPE, Cisco, Juniper, Arista and other major vendors’ XFP ports that support 10G ER optical modules.
Q
What is the maximum transmission distance supported by the JD121A-C?
A
The JD121A-C supports extended-reach single-mode fiber links up to 40 kilometers over G.652 standard fiber at 10.3125 Gbps.
Q
What wavelength does the JD121A-C operate on?
A
It operates at an optical wavelength of 1310 nm, optimized for extended-reach applications in single-mode fiber networks.
Q
What data rate does the JD121A-C support?
A
The transceiver supports a data rate of 9.95 to 11.3 Gbps, fully compliant with 10G Ethernet and OC-192/STM-64 SONET/SDH standards.
Q
What type of fiber connector interface does the JD121A-C use?
A
It uses a duplex LC connector interface, ensuring reliable alignment and low insertion loss in single-mode fiber installations.
Q
Is the JD121A-C hot-swappable?
A
Yes, the JD121A-C is fully hot-swappable, allowing installation or removal without powering down the host system.
Q
Does the JD121A-C support Digital Diagnostics Monitoring (DDM)?
A
Yes, it features SFF-8472 compliant DDM functions to monitor real-time parameters such as optical power, temperature, voltage and laser bias.
Q
What are the typical power consumption specifications?
A
The JD121A-C consumes less than 2.5 Watts of power, making it energy-efficient and suitable for high-density chassis.
Q
What operating temperature range does the JD121A-C support?
A
It is specified for an operating temperature range from 0°C to +70°C (32°F to 158°F) for standard commercial environments.
Q
How do I install the JD121A-C in my switch or router?
A
Simply insert the JD121A-C into an available XFP port until it clicks into place, then connect your LC-terminated single-mode fiber cables.
Q
What warranty and support come with the JD121A-C?
A
The transceiver includes a 3-year limited warranty and lifetime technical support for compatibility and performance assistance.
Q
Can I return the JD121A-C if it does not work with my equipment?
A
Yes, we offer a 30-day no-questions-asked return policy for unused, undamaged units to ensure full buyer satisfaction.
Q
How do I verify OEM compatibility before purchase?
A
Consult our online compatibility matrix or contact support with your device model to confirm full interoperability with HP and other vendors.
Q
What is the difference between 10G XFP ER and 10G XFP LR transceivers?
A
ER modules like the JD121A-C are optimized for up to 40 km reach at 1310 nm, while LR modules target 10 km reach at 1310 nm under different power budgets.
Q
What is the typical lead time and shipping for the JD121A-C?
A
Standard lead time is 1–3 business days, with expedited shipping options available to most global destinations.
