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Gigabit SFP Transceivers

DEM-300 Series

D-Link Gigabit SFP Transceivers plug into Gigabit and Fast Ethernet switches via their GBIC

slots. They allow for the expansion of Gigabit Ethernet networks by providing high-speed

connections over a bre-optic. The bre-optic transceivers have standard duplex LC connectors

to provide maximum compatibility. They are hot pluggable and Small Form Factor Pluggable

(SFP) compliant with the Multi-Source Agreement (MSA) specication.

Small Form Pluggable (SFP) Package

The Gigabit SFP Transceivers use the Small Form-factor Pluggable (SFP) design. They provide

the necessary signal amplication for data to be transmitted to the network cable from the

port, and vice versa. The SFP form factor is advantageous because it is smaller than other form

factors such as Xenpak, X2, and 10G XFP, ensuring lower costs, lower power disruption, and

higher port density.

Multiple Applications

Applications of the DEM-300 Series bre transceivers include distributed multi-processing,

Gigabit switch cascading, high-speed I/O le transfer, bus extension application, and channel

extender/data storage. This versatility is invaluable for an expanding network, and helps the

infrastructure grow with the business.

Hot Pluggable

All D-Link transceivers are hot pluggable. You can connect a transceiver while the system

is powered on without causing any issues, and easily swap one for another without having

to reboot the switch each time. This permits modules to be added or removed without

interrupting the network, facilitating maintenance and greatly reducing downtime.

Features

• Small Form factor Pluggable (SFP)

• Multi-Source Agreement (MSA) specication

compliant

• IEEE 802.3z standard

• Supports cable distances of up to

550 m / 1 km / 2 km / 10 km

• Hot pluggable

• FDA, CDRH, TUV Laser Eye safety certied

• TTL signal detect indicator

• Metal enclosure for lower EMI

Covers Vast Distances

Support for maximum cable lengths of between

550 meters and 10 kilometers1 is ideal for businesses

spanning multiple premises

High Performance

Full duplex Gigabit data transfer rates provide the

network transmission speeds that business

environments demand

Hot Pluggable

Easily switch out transceivers while the power is on,

facilitating network maintenance and minimizing

downtime

Product Highlights

DEM-300 Series Gigabit SFP Transceivers

D-Link European Headquarters. D-Link (Europe) Ltd., First Floor, Artemis Building, Odyssey Business Park, West End Road, South Ruislip HA4 6QE, United Kingdom.

Specications are subject to change without notice. D-Link is a registered trademark of D-Link Corporation and its overseas subsidiaries.

Updated June 2018

For more information: www.dlink.com

Technical Specications

DEM-310GT DEM-311GT DEM-312GT2

Transceiver Type • SFP • SFP • SFP

Fiber Media Support • Single-Mode • Multi-Mode • Multi-Mode

Speed • • • 1Gbps1.25 Gbps 1 Gbps

Distance • • • 10 km 550 m 62.5/125 um fiber: 1 km

• 50/125 um fiber: 2 km

Compliant Standard IEEE802.3z 1000BASE-LX IEEE802.3z 1000BASE-SX IEEE802.3z 1000BASE-SX• • •

Connector • Duplex LC connector Duplex LC connector Duplex LC connector• •

Single/Bi Direction • Single-direction • Single-direction • Single-direction

Wavelength • • • 1310 nm 850 nm 1310 nm

Cable Type • • • Single-mode 9 um fiber Multi-mode 50 um or 62.5 um fiber Multi-mode 50/125um or 62.5/125um

fiber

Power Supply • • • 3.3 V 3.3 V 3.3 V

Hot Pluggable 

MSA Compliant 

RoHS Compliant 

Product specificaties

Merk:	D-Link
Categorie:	Niet gecategoriseerd
Model:	DEM-311GT
Gewicht verpakking:	64 g
Breedte verpakking:	74 mm
Diepte verpakking:	131 mm
Hoogte verpakking:	49 mm
Netwerkstandaard:	IEEE 802.3x
Temperatuur bij opslag:	-40 - 85 °C
Golflengte:	850 nm
Soort aansluiting:	SFP
Maximale overdrachtssnelheid van gegevens:	1000 Mbit/s
Nettogewicht transportverpakking:	3200 g
(Binnenste) verzendverpakking gewicht:	4200 g
Maximaal bereik:	550 m
Bedrijfstemperatuur (T-T):	0 - 40 °C
Code geharmoniseerd systeem (HS):	85369010
Pallet brutobreedte:	1220 mm
Pallet brutolengte:	1020 mm
(Binnenste) verzendverpakking hoogte:	310 mm
(Binnenste) verzendverpakking breedte:	260 mm
(Binnenste) verzendverpakking lengte:	360 mm
Producten per (binnenste) verzendverpakking:	50 stuk(s)
Hot-swap:	Ja
SFP transceiver type:	Vezel-optiek
Single-mode glasvezelkabel (SMF) ondersteund:	Nee
Multi-mode glasvezelkabel (MMF) ondersteund:	Ja
Vezel-optische connector:	LC
SFP-zendernorm:	SX
Vezelkabel diameters ondersteund:	50/125 µm
Duplex systeem:	Volledig
Pallet brutogewicht (lucht):	246800 g
Aantal dozen per pallet (lucht):	54 stuk(s)
Aantal per pallet (lucht):	2700 stuk(s)
Pallethoogte (lucht):	1990 mm
Pallet brutogewicht (zee):	246800 g
Aantal dozen per pallet (zee):	54 stuk(s)
Producten per pallet (zee):	2700 stuk(s)
Pallethoogte (zee):	1990 mm