
Only use the same transceiver model between switches for fast and reliable connectivity.
Connection
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)
Storage Humidity 5% to 90% RH, Non-condensing
Operating Humidity 10% to 90% RH, Non-condensing
General Specications Environmental and Physical Specications
Specications
Switch Switch
SM311LS
Fiber
SM311LS
TP-Link Compatible Products
Note:
The SFP modules may be incompatible with other vendors’ devices. We
recommend that you use only TP-Link SFP modules on your TP-Link devices.
TP-Link Switches with gigabit SFP Slots
MC220L
Port Type
Fiber Type
Data Rate
Wave Length 850 nm
SM311LM
1310 nm
IEEE 802.3z, TCP/IP
Multi-mode FiberSingle-mode Fiber
9/125 um Single-mode
20 km
1.25 Gbps
LC Duplex
3.3 V
FCC, CE
Standards and Protocols
Cable
Normal SM311LS
Max. Cable Length
Power Support
Safety & Emission
Ye s
Ye s
DDM
SFP-MSA
Ye s
Hot Swappable
50/125 um or 62.5/125 um
Multi-mode
550m
General Specications
Specications
TP-Link Compatible Products
Note:
The SFP modules may be incompatible with other vendors’ devices. We
recommend that you use only TP-Link SFP modules on your TP-Link devices.
TP-Link Switches with gigabit SFP Slots
MC220L
この装置は、クラスA情報技術装置です。この装置を家庭環境で使用すると電波妨害を引き起こすことがあり
ます。この場合には使用者が適切な対策を講ずるよう要求されることがあります。 VCCI-A
FCC compliance information statement
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be required to correct the interference at his own expense.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
1) This device may not cause harmful interference.
2) This device must accept any interference received, including interference that may cause undesired operation.
Any changes or modications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.
Product Name: MiniGBIC Module
Model Number: SM311LS
TP-Link USA Corporation
Address: 10 Mauchly, Irvine, CA 92618
Website: https://www.tp-link.com/us/
Tel: +1 626 333 0234
Fax: +1 909 527 6804
We, TP-Link USA Corporation, has determined that the equipment shown as above has been shown to comply
with the applicable technical standards, FCC part 15. There is no unauthorized change is made in the equipment
and the equipment is properly maintained and operated.
Issue Date: 2023/07/21
This is a class A product. In a domestic environment, this product may cause radio interference, in which case
the user may be required to take adequate measures.
CE Mark Warning
Продукт сертифіковано згідно с правилами системи УкрСЕПРО на відповідність вимогам нормативних
документів та вимогам, що передбачені чинними законодавчими актами України.
CAN ICES-3 (A)/NMB-3(A)
Industry Canada Statement
Safety Information
Keep the device away from water, re, humidity or hot environments.
Do not attempt to disassemble, repair, or modify the device.
Avoid using this product during an electrical storm. There may be a remote risk of electric shock from lightning.
Do not point or stare directly into the beam or into the optical port of the transceiver when it is operating, as this
can injure your eyesight.
Port Type
Fiber Type
Data Rate
Wave Length 1310 nm
IEEE 802.3z, TCP/IP
Single-mode Fiber
9/125 um Single-mode
20 km
1.25 Gbps
LC Duplex
3.3 V
FCC, CE
Standards and Protocols
Cable
Normal SM311LS
Max. Cable Length
Power Support
Safety & Emission
Ye s
Ye s
DDM
SFP-MSA
Ye s
Hot Swappable
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)
Storage Humidity 5% to 90% RH, Non-condensing
Operating Humidity 10% to 90% RH, Non-condensing
Environmental and Physical Specications
TP-Link hereby declares that the device is in compliance with the essential requirements and other relevant
provisions of the Electromagnetic Compatibility Regulations 2016 and Electrical Equipment (Safety)
Regulations 2016.
The original UK declaration of conformity may be found at https://www.tp-link.com/support/ukca/.
TP-Link hereby declares that the device is in compliance with the essential requirements and other relevant
provisions of directives 2014/30/EU, 2014/35/EU, 2011/65/EU and (EU)2015/863.
The original EU declaration of conformity may be found at https://www.tp-link.com/en/support/ce/.
EU Declaration of Conformity
UK Declaration of Conformity
xplana�on of the symbols on the product label
ymbols may vary from products
Class II equipment
Class II equipmentwith functional earthing
Pola rity of d.c. power connector
For indoor use only
Dangerousvoltage
Caution, risk ofelectric shock
EnergyeciencyMarking
Protective earth
Earth
Fra me or chassis
Functional earthing
Caution, hot surface
Caution
Opera tor'smanual
Stand-by
"ON"/"OFF" (push-push)
Fuse
Fuse isused in neutral N
Caution, avoidlistening athigh volume levelsfor l ong periods
Disconnection, a llpower plugs
m
Switch of mini-gap construction
µ
Switch of micro- gap construction (for US version)
Switch of micro-gap /micro
-
disconnection construction
(for other versionsexceptUS)
ε
Switch withoutcontactgap (Semiconductor switching device)
RECYCLING
This product bears the selective sorting symbol for Waste
electrical and electronic equipment (WEEE). This means that
this product must be handled pursuant to European directive
2012/19/EU in order to be recycled or dismantled to minimize its
impact on the environment.
User has the choice to give his product to a competent recycling
organization or to the retailer when he buys a new electrical or
electronic equipment.
For simplicity, we will take SM311LS as an example.