Instruction/ maintenance manual of the product TL-SM221B TP-Link
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User Guide TL-SM221A / TL-SM221B 100Base-BX WDM Bi-Dir ectional SFP Module Rev:1.0.1 7106503184.
COPYRIGHT & TRADEMARKS S pecifications are subject to change without notice. is a registered trademark of TP-LINK TECHNOLOGIES CO., L TD. Other brands and product names are trademarks or registered trademarks of their respective holders.
FCC STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to prov ide reasonable protection against harmful interference in a residential installation.
2) This device must accept any interference received, including interference that ma y cause undesired operation. Any changes or modifications not expressly approved b y the party responsible for compliance could void the user’s authority to operate the equipment.
CONTENTS Package Contents........................................................................... 1 Chapter 1. Introduction ............................................................. 1 Chapter 2. Features of the product .........................
1 Package Contents The following items should be found in your package: ¾ T en 100Base-BX WDM Bi-Directional SFP Modules ¾ T en S tatic Shielding Bags ¾ This User Guide ) Note: Make sure that the package contains the above items. If an y of the listed items are damaged or missing, please contact with your distributor.
2 SFP Module Cooperated TP-LINK products TL-SG2216WEB Web Smart Gigabit Switch TL-SM221A TL-SM221B TL-SG2224WEB Web Smart Gigabit Switch ) Note: If any abnormal status occurs when the light modu les of the device are hot-switched between 1000 Mbps and 100Mbps, please try to power on the device again.
3 Chapter 3. Installation Guide The following will take the installation procedure in the switch for example. ¾ Push the SFP Module into Switch along the track smoothly ¾ Plug fiber into the module, without any configuration manually , the SFP Module can work.
4 Specifica tions Normal TL-SM221A TL-SM221B Tx:1550nm Tx:1310nm Wave Length Rx:1310nm Rx:1550nm Standards and Protocols IEEE 802.3ah 100Base-BX, CSMA/CD, TCP/IP Cable Single-mode Fiber Fiber Type 9/125 um Single-mode Max. Cable Length 15km Data Rate 155Mbps Port Type LC Power Support 3.
An important point after buying a device TP-Link TL-SM221B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought TP-Link TL-SM221B yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data TP-Link TL-SM221B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, TP-Link TL-SM221B you will learn all the available features of the product, as well as information on its operation. The information that you get TP-Link TL-SM221B will certainly help you make a decision on the purchase.
If you already are a holder of TP-Link TL-SM221B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime TP-Link TL-SM221B.
However, one of the most important roles played by the user manual is to help in solving problems with TP-Link TL-SM221B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device TP-Link TL-SM221B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
