TP-Link TL-SM321A-2, TL-SM321B-2 Product Overview
1000Base-BX WDM Bi-Directional SFP Module
Datasheet
MODEL: TL-SM321A-2/TL-SM321B-2
Highlights
- Adopts the latest standard 1000Base-BX
- Up to 2 km transmission distance in 9/125μm SMF (Single-Mode Fiber)
- Compatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA)
- Supports Digital Diagnostic Monitoring (DDM)
- Supports Hot Swappable
Overview
TP-Link’s TL-SM321A-2 and TL-SM321B-2 are developed in accordance with the Small Form
Pluggable Multi-Source Agreement (SFP-MSA). As a WDM Bi-Directional optical transceiver,
TL-SM321A-2 and TL-SM321B-2 use an integrated LC Bi-Directional optical interface connector and
the data link is up to 2 km in 9/125μm SMF (Single-Mode Fiber).
Also, TL-SM321A-2 and TL-SM321B-2 incorporate the Digital Diagnostic Monitoring (DDM) feature,
which is compatible with SFF-8472. DDM supports real-time monitoring of the transceiver, and it also
shows parameters including the transceiver current, transmitting/receiving optical power, and operating
temperature.
TP-Link’s TL-SM321A-2 and TL-SM321B-2 are used together for short-and-medium-distance fibre
network in practice, and they provide fast and reliable gigabit fiber connection for switches, routers,
servers, etc.
Specifications
General Specications
Normal
Wave Length
Standards and Protocols
Cable
Fiber Type
Max. Cable Length
Data Rate
Port Type
Power Support
Safety & Emission
DDM
SFP-MSA
TL-SM321B-2TL-SM321A-2
Tx: 1550 nm
Rx: 1310 nm Rx: 1550 nm
IEEE 802.3z, TCP/IP
Single-mode Fiber
9/125 um Single-mode
2 km
1.25 Gbps
LC Simplex
3.3 V
FCC, CE
Ye s
Ye s
Tx: 1310 nm
Hot Swappable
Ye s
Environmental and Physical Specications
Product Operating Temperature 0˚C to 70˚C (32˚F to 158˚F)
Storage Temperature -40˚C to 85˚C (-40˚F to 185˚F)
Operating Humidity 10% to 90% RH, Non-condensing
Storage Humidity 5% to 90% RH, Non-condensing
www.tp-link.com
Specifications are subject to change without notice. TP-Link is a registered trademark of TP-Link Technologies Co., Ltd. Other brands and product names are trademarks or
registered trademarks of their respective holders. Copyright @ 2020 TP-Link Technologies Co., Ltd. All rights reserved.
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