Product comparison · 2 network transceiver modules

TP-Link DS-PMA-C+(UN) network transceiver module Fiber optic 2488.32 Mbit/s SFP 1490 nm vs TP-Link SM321B-2(UN) network transceiver module Fiber optic 1250 Mbit/s SFP

9specifications compared
5differ
4identical
28known for one product only

Key differences

Maximum data transfer rate
- DS-PMA-C+(UN) network transceiver module Fiber optic 2488.32 Mbit/s SFP 1490 nm:2488.32 Mbit/s
- SM321B-2(UN) network transceiver module Fiber optic 1250 Mbit/s SFP:1250 Mbit/s
Maximum transfer distance
- DS-PMA-C+(UN) network transceiver module Fiber optic 2488.32 Mbit/s SFP 1490 nm:20000 m
- SM321B-2(UN) network transceiver module Fiber optic 1250 Mbit/s SFP:1000 m
Tx wavelength (max)
- DS-PMA-C+(UN) network transceiver module Fiber optic 2488.32 Mbit/s SFP 1490 nm:1490 nm
- SM321B-2(UN) network transceiver module Fiber optic 1250 Mbit/s SFP:1310 nm
Rx wavelength (max)
- DS-PMA-C+(UN) network transceiver module Fiber optic 2488.32 Mbit/s SFP 1490 nm:1310 nm
- SM321B-2(UN) network transceiver module Fiber optic 1250 Mbit/s SFP:1550 nm
Product colour
- DS-PMA-C+(UN) network transceiver module Fiber optic 2488.32 Mbit/s SFP 1490 nm:Stainless steel
- SM321B-2(UN) network transceiver module Fiber optic 1250 Mbit/s SFP:Metallic

Side by side

Differences highlightedShow differences only

Comparison of DS-PMA-C+(UN), SM321B-2(UN)
37 specifications	A TP-Link DS-PMA-C+(UN) network transceiver module Fiber optic 2488.32 Mbit/s SFP 1490 nm Model DS-PMA-C+(UN) View product	B TP-Link SM321B-2(UN) network transceiver module Fiber optic 1250 Mbit/s SFP Model SM321B-2(UN) View product
Performance4 differ
Maximum data transfer rateDiffers	2488.32 Mbit/s	1250 Mbit/s
Multi-mode fiber (MMF) supportedKnown for one	Unknown — not stated by the source	No
Fiber optic connectorKnown for one	Unknown — not stated by the source	LC
SFP transceiver standardKnown for one	Unknown — not stated by the source	BX
Maximum transfer distanceDiffers	20000 m	1000 m
Tx wavelength (max)Differs	1490 nm	1310 nm
Rx wavelength (max)Differs	1310 nm	1550 nm
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3z
Wavelength-division multiplexing (WDM)Known for one	Unknown — not stated by the source	Yes
WavelengthKnown for one	1490 nm	Unknown — not stated by the source
Tx power (min)Known for one	3 dBmW	Unknown — not stated by the source
Tx power (max)Known for one	7 dBmW	Unknown — not stated by the source
Rx power (min)Known for one	-30 dBmW	Unknown — not stated by the source
Rx power (max)Known for one	-12 dBmW	Unknown — not stated by the source
Features1 differ
Product colourDiffers	Stainless steel	Metallic
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	FCC, CE
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 80 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	55.4 mm
DepthKnown for one	Unknown — not stated by the source	14.6 mm
HeightKnown for one	Unknown — not stated by the source	12.9 mm
Packaging contentidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Packaging dataidentical
User guideKnown for one	Unknown — not stated by the source	Yes
Package widthKnown for one	Unknown — not stated by the source	81.5 mm
Package depthKnown for one	Unknown — not stated by the source	122.5 mm
Package heightKnown for one	Unknown — not stated by the source	38.5 mm
Package weightKnown for one	Unknown — not stated by the source	60 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	85369010
Poweridentical
Input voltageKnown for one	3.3 V	Unknown — not stated by the source

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.

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