What do sfp-10g-sr and sfp-10g-sr-s respectively mean?

What is sfp-10g-sr?

 
The SFP-10G-SR is a specific type of SFP+ transceiver module. Here's a breakdown of its key characteristics:
1.SFP+: This indicates that the transceiver belongs to the Small Form-factor Pluggable Plus category, which is an enhancement of the standard SFP that supports data rates up to 10 Gbps (Gigabits per second).
2.10G: Represents its maximum data rate of 10 Gbps.
3.SR: Stands for "Short Range." This means the transceiver is designed for short-range signal transmission.
Key specifications of the SFP-10G-SR include:
l Data Rate: 10 Gbps.
l Distance/Reach: Typically, the "SR" designation means the module is optimized for short distances, often up to 300 meters over OM3 multi-mode fiber. The actual distance can vary based on the specific model and fiber quality.
l Wavelength: The SFP-10G-SR usually operates on an 850nm wavelength.
l Fiber Type: It is designed for multi-mode fiber optic cables, which are typically used for shorter distances compared to single-mode fibers.
l Applications: The primary use for this transceiver is within data centers, high-end networking equipment, and enterprise network connections where short-distance, high-speed connections are required.
l Connectors: The module often uses LC duplex connectors and utilizes a vertical cavity surface-emitting laser (VCSEL) for its light source.
It's important to ensure compatibility when selecting transceivers for networking equipment, as there might be vendor-specific versions of the SFP-10G-SR that are optimized for particular devices. Always refer to the technical documentation or vendor guidance when selecting and deploying transceivers
 
 
 What is sfp-10g-sr-s?
The SFP-10G-SR-S is a specific type of Cisco SFP+ transceiver module. The "S" in the module name typically indicates that it's a part of Cisco's S-Class optics, which are designed for enterprise and data center 10G and 40G applications. Let's break down its characteristics:
1.SFP+: This refers to the Small Form-factor Pluggable Plus standard, which supports data rates up to 10 Gbps (Gigabits per second).
2.10G: Represents its maximum data rate of 10 Gbps.
3.SR: Stands for "Short Range." This implies that the transceiver is optimized for short-range signal transmission.
4.S: Indicates it's from Cisco's S-Class optics lineup, which is generally more cost-effective than other Cisco optics and is aimed at modern enterprise and data center applications.
Key specifications of the SFP-10G-SR-S include:
· Data Rate: 10 Gbps.
· Distance/Reach: The "SR" designation suggests that the module can transmit over distances up to 300 meters on OM3 multi-mode fiber. Actual reach can vary depending on specific model and fiber quality.
· Wavelength: Typically, it operates on an 850nm wavelength.
· Fiber Type: This transceiver is designed for use with multi-mode fiber optic cables.
· Applications: It's primarily used in enterprise networks and data centers for short-distance, high-speed connections.
· Connectors: Generally uses LC duplex connectors and employs a vertical cavity surface-emitting laser (VCSEL) as its light source.
As always, when deploying such modules in networking equipment, ensure compatibility by referring to technical documentation or consulting with the vendor. Cisco, for instance, often recommends using Cisco-branded optics with their devices for optimal performance and compatibility.
 

Sfp-10g-sr sfp-10g-sr-s difference

Both the SFP-10G-SR and the SFP-10G-SR-S are Cisco SFP+ transceiver modules designed for short-range (SR) 10G applications. However, they belong to different Cisco product lineups and can have different features or target markets. Here are the primary distinctions:
1.S-Class (SFP-10G-SR-S)
· S-Class Optics: The "S" in SFP-10G-SR-S signifies Cisco's S-Class optics. These are cost-effective enterprise-grade optics intended primarily for enterprise and data center applications.
· Cost: Generally, S-Class optics are more budget-friendly compared to regular Cisco optics.
· Features: Some advanced features available in the standard transceivers might not be present in the S-Class. For instance, diagnostics or certain interoperability features might be limited or omitted to reduce costs.
2.Regular (SFP-10G-SR)
· Full Feature Set: The standard SFP-10G-SR may offer a more extensive feature set, including advanced diagnostics or broader compatibility.
· Cost: Typically, these are priced higher than their S-Class counterparts.
· Versatility: They are designed to be suitable for a wider range of applications, including more demanding environments or situations requiring advanced features.
Other than these distinctions, both modules are designed for the same basic function: 10 Gbps short-range transmission over multi-mode fiber, typically up to 300 meters on OM3 fiber, using 850nm wavelength.
 
According to Cisco, S-class optics are intended for enterprise and data center 10G and 40G applications This new set of optics does not display several unnecessary features for these applications, bringing about a more attractive price. That explains why SFP-10G-SR-S price is lower than SFP-10G-SR price.
Except the price, there are some other differences. SFP-10G-SR-S optics aren’t TAA certified. However, the non-S-class optics such as SFP-10G-SR are all compliant to TAA. SFP-10G-SR-S optics only have COM (Commercial temperature range: 0~70℃). However, the temperature range of SFP-10G-SR can be EXT (Extended temperature range: -5~85℃), IND (Industrial temperature range: -40~85℃) and Storage temperature range (-40~85℃). In terms of protocols, SFP-10G-SR-S optics use Ethernet only, they cannot use OTN (Optical Transport Network) or WAN-PHY (Wide Area Network Physics). Furthermore, SFP-10G-SR-S optics just have 10G and 40G applications so far which is specified for 10G and 40G enterprise and data center. Thus, if you don’t need any special features like extra tolerance for temperature, S-Class optics can save you a considerable amount of money.
 
However, it's essential to note that despite the basic functional similarities, the modules can have different compatibilities or operational features. If you're considering which module to choose for a specific application or device, it's always a good idea to consult the equipment's technical documentation or get in touch with the vendor to ensure optimal compatibility and performance.