SFP-6G85-SR 6G SFP+ SR 850nm 300m LC MMF DDM Transceiver Module

Overview

The SFP-6G85-SR is a high-performance, short-reach optical transceiver designed for modern high-speed data links. This 6G SFP+ SR module supports data rates up to 6.25 Gbps, making it an excellent choice for 6G Fibre Channel (FC) and CPRI applications. Consequently, it provides a cost-effective and reliable solution for connecting networking equipment within a data center or campus environment over distances of up to 300 meters using multi-mode fiber.

Engineered for maximum compatibility and performance, this transceiver adheres to the SFP+ Multi-Source Agreement (MSA). Furthermore, its hot-pluggable SFP+ footprint ensures that installation, upgrades, or replacements can be performed without interrupting network services. This makes the SFP-6G85-SR an indispensable component for building robust and flexible Storage Area Networks (SANs) and communication systems.

Key Features

• Supports data rates up to 6.25 Gbps.
• Utilizes a high-performance 850nm VCSEL laser transmitter.
• Achieves a link distance of up to 300m on OM3 Multi-Mode Fiber (MMF).
• Features a standard duplex LC connector interface.
• Integrated Digital Diagnostics Monitoring (DDM) for real-time monitoring.
• Hot-pluggable SFP+ form factor for easy installation.
• Low power dissipation for energy-efficient operation.

Applications

The SFP-6G85-SR is primarily deployed in short-distance, high-speed networking scenarios. For instance, it is ideal for 6G Fibre Channel links, connecting SAN switches, host bus adapters (HBAs), and storage devices. In addition, this module is frequently used in wireless infrastructure for CPRI/OBSAI links between baseband units and remote radio heads. Its versatility also makes it suitable for other short-reach enterprise networking and data center interconnects.

Specifications

Advantages

The key advantage of the SFP-6G85-SR transceiver is its optimal balance of performance and cost for short-reach applications. It provides the necessary bandwidth for demanding 6G links without the higher cost associated with long-reach optics. Moreover, its low power consumption contributes to reduced operational expenses and a greener data center footprint, which is a significant consideration for large-scale deployments.

Another crucial benefit is the DDM functionality. This feature gives network operators vital, real-time access to the module’s operating parameters. As a result, they can proactively monitor the health of the optical link and troubleshoot potential issues before they escalate into service-affecting outages, thereby ensuring maximum network uptime and reliability.

FAQ (Technical & Product Questions)

1. What does SR stand for in an SFP+ SR module?

SR stands for Short Reach. This indicates the module uses a short wavelength laser (850nm) and is designed for use with multi-mode fiber (MMF) over shorter distances, typically up to 300 meters, common within buildings or data centers.

2. What type of fiber optic cable is required for the SFP-6G85-SR?

This transceiver requires a duplex multi-mode fiber patch cable with LC connectors. To achieve the maximum transmission distance of 300 meters, using OM3 or higher-grade (OM4/OM5) multi-mode fiber is highly recommended.

3. Is this 6G SFP+ module backward compatible with slower Fibre Channel speeds?

Yes, this 6G FC SFP+ module is typically designed to be backward compatible. It can auto-negotiate and operate at lower speeds like 4.25 Gbps (4G FC) and 2.125 Gbps (2G FC), offering excellent flexibility in mixed-speed SAN environments.

4. Can I use this 6G FC module in a 10G Ethernet SFP+ port?

Generally, no. Although the physical form factor is identical, the SFP-6G85-SR is encoded for Fibre Channel and CPRI protocols. It will not function in a switch port that is configured exclusively for 10G Ethernet protocols.

5. What is the benefit of the DDM (Digital Diagnostics Monitoring) feature?

DDM allows you to monitor the transceiver’s critical operating parameters in real-time. This includes transmit/receive optical power, temperature, and voltage, which is invaluable for network maintenance and early fault detection.

6. Is the SFP-6G85-SR module hot-swappable?

Yes, this 6G SFP+ transceiver is fully hot-swappable. This feature allows you to install or remove the module from a network device without shutting it down, which is essential for maintaining continuous network operation.

7. What is the difference between an SFP+ SR and an SFP+ LR module?

The primary difference is their application. SFP+ SR (Short Reach) uses 850nm lasers for up to 300m over MMF. In contrast, SFP+ LR (Long Reach) uses 1310nm lasers for up to 10km over single-mode fiber (SMF).

8. Does this module work with equipment from different vendors?

This module is manufactured to be MSA (Multi-Source Agreement) compliant. This ensures it will function correctly in a wide range of networking equipment from different vendors that also adhere to MSA standards and do not have vendor-specific coding locks.