Product comparison · 2 network transceiver modules

D-Link DEM-220R network transceiver module Fiber optic 100 Mbit/s SFP 1550 nm vs D-Link DEM-220T network transceiver module Fiber optic 100 Mbit/s SFP 1550 nm

Key differences

SFP transceiver standard
- DEM-220R network transceiver module Fiber optic 100 Mbit/s SFP 1550 nm:BX-U
- DEM-220T network transceiver module Fiber optic 100 Mbit/s SFP 1550 nm:BX-D
Product colour
- DEM-220R network transceiver module Fiber optic 100 Mbit/s SFP 1550 nm:Blue, Metallic
- DEM-220T network transceiver module Fiber optic 100 Mbit/s SFP 1550 nm:Green, Metallic

Differences highlightedShow differences only

Comparison of DEM-220R, DEM-220T
29 specifications	A D-Link DEM-220R network transceiver module Fiber optic 100 Mbit/s SFP 1550 nm Model DEM-220R View product	B D-Link DEM-220T network transceiver module Fiber optic 100 Mbit/s SFP 1550 nm Model DEM-220T View product
Performance1 differ
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rate	100 Mbit/s	100 Mbit/s
Interface type	SFP	SFP
Single-mode fiber (SMF) supported	Yes	Yes
Fiber optic connector	LC	LC
Fiber cable diameters supported (core/cladding)	9/125 µm	9/125 µm
SFP transceiver standardDiffers	BX-U	BX-D
Maximum transfer distanceKnown for one	Unknown — not stated by the source	20000 m
Wavelength	1550 nm	1550 nm
Tx power (min)	-14 dBmW	-14 dBmW
Tx power (max)	-8 dBmW	-8 dBmW
Rx power (min)	-32 dBmW	-32 dBmW
Rx power (max)	-3 dBmW	-3 dBmW
Networking standards	IEEE 802.3ah	IEEE 802.3ah
Features1 differ
Product colourDiffers	Blue, Metallic	Green, Metallic
Housing material	Metal	Metal
Hot-swap	Yes	Yes
Poweridentical
Input voltage	3.3 V	3.3 V
Maximum current	0.3 A	0.3 A
Certificatesidentical
Safety	TUV, UL, FDA	TUV, UL, FDA
Certification	FCC, ICES-003, CE, VCCI	FCC, ICES-003, CE, VCCI
Operational conditionsidentical
Operating temperature (T-T)	0 - 85 °C	0 - 85 °C
Storage temperature (T-T)	-40 - 85 °C	-40 - 85 °C
Weight & dimensionsidentical
Width	55.5 mm	55.5 mm
Depth	28.1 mm	28.1 mm
Height	13.4 mm	13.4 mm
Weight	19.1 g	19.1 g
Packaging contentidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other featuresidentical
RX sensitivity	-32 dB	-32 dB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.