Juniper SFP-GE40KT13R14 Compatible 1000Base BX BIDI SFP Transceiver Module (TX1310nm/RX1490nm SMF 40km LC DDM)
Product Details
| Juniper Compatible | SFP-GE40KT13R14 | Vendor Name | Walsun |
| Form Factor | SFP | Max Data Rate | 1.25Gbps |
| Wavelength | TX1310nm/RX1490nm | Max Distance | 40km |
| Connector | Simplex LC | Transmitter Type | 1310nm DFB |
| Cable Type | SMF | Receiver Type | PIN |
| TX Power | -5.0~0dBm | Receiver Sensitivity | <-24.0dBm |
| Protocols | Gigabit Ethernet, Gigabit Fibre Channel, MSA Compliant | Operation Temperature | 0 to 70°C (32 to 158°F) |
How to Choose an Ethernet SFP Module?
SFP module comes in various types on the basis of different classification standards. It works with copper Ethernet cables or fiber optical cables.
On the fiber optics side, there are single mode SFP module and multimode SFP module, which allows users to select the appropriate transceiver according to the required optical range for the network. Operation wavelength ranges from 850nm to 1550nm. Commonly, 850nm SFP can reach up to 550 meters with multimode fiber optics, and the 1550nm SFP supports up to a maximum of 160km via single mode fiber cables. On the other hand, copper SFP modules primarily are 1000BASE-T SFP and 1000BASE-TX SFP modules, which are excellent used in gigabit Ethernet networking within 100 meters.
Frequently Asked Questions Related to SFP Transceivers
Q：Can We Use SFP Hardware in SFP+ Slots?
A：Generally, SFP+ ports do accept SFP optics, but the transmission rate will default to 1G rather than 10G. Conversely, SFP+ optics are not backward-compatible with SFP ports due to the lack of support for speeds below 1G. Additionally, while Cisco switch SFP+ ports commonly support SFP modules, some other brands, such as Brocade, have SFP+ ports that only support SFP+ optics.
Q：Can I Use a 1000BASE-LX SFP Module for 1000BASE-SX Fiber?
A：They are not typically interchangeable since 1000Base-SX and LX are different standards operating at distinct wavelengths; 1000Base-LX SFP transceivers usually operate at 1310nm and are designed for single-mode fiber connections, whereas 1000Base-SX SFP normally operates at 850nm and is intended for multimode fiber.
Q：How far can SFP transceivers transmit?
A：The transmission distance depends on the type of SFP used:
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- Copper SFP transceivers typically transmit up to 100 meters.
- Multimode fiber SFP transceivers can transmit from 550 meters up to several kilometers.
- Single-mode fiber SFPs can go 10 kilometers to 80 kilometers, and even further with specialized versions.
Q：What is Digital Optical Monitoring (DOM)?
A：DOM is a feature that allows the monitoring of several parameters of the SFP, such as optical output power, optical input power, temperature, laser bias current, and transceiver supply voltage, which aids in troubleshooting.
Q：Can You Aggregate Multiple SFP Ports?
A：You certainly can. Link aggregation offers increased bandwidth, redundancy, and load-balancing capabilities which are vital for enterprise networks where performance and security are of utmost importance. This ensures that when one link fails, a secondary link can seamlessly take over. It’s important to note that switches must be configured for link aggregation before connecting SFP ports; failing to do so can lead to network loops and disruptions.
As the demand for higher data rates and versatile connectivity options grows, the relevance and application of SFP modules will continue to expand. Understanding the fundamental principles, applications, and configurations of SFP technology enables network professionals and enthusiasts to make informed decisions, ensuring that network infrastructures are both efficient and equipped to handle the data-intensive tasks of the modern era. As such, whether for small-scale setups or expansive data centers, the SFP module remains an indispensable tool in the networking arsenal, adapting and enduring through the ceaseless evolution of network technologies.
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