Product comparison · 2 network transceiver modules

Allied Telesis AT-SPBD20LC/I-13 network transceiver module Fiber optic 1000 Mbit/s SFP vs Allied Telesis QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm

12specifications compared
5differ
7identical
15known for one product only

Key differences

Maximum data transfer rate
- AT-SPBD20LC/I-13 network transceiver module Fiber optic 1000 Mbit/s SFP:1000 Mbit/s
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:100000 Mbit/s
Interface type
- AT-SPBD20LC/I-13 network transceiver module Fiber optic 1000 Mbit/s SFP:SFP
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:QSFP28
Maximum transfer distance
- AT-SPBD20LC/I-13 network transceiver module Fiber optic 1000 Mbit/s SFP:20000 m
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:10000 m
Link budget
- AT-SPBD20LC/I-13 network transceiver module Fiber optic 1000 Mbit/s SFP:15 dB
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:5 dB
Operating temperature (T-T)
- AT-SPBD20LC/I-13 network transceiver module Fiber optic 1000 Mbit/s SFP:-40 - 95 °C
- QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm:0 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of AT-SPBD20LC/I-13, QSFP28-LR4
27 specifications	A Allied Telesis AT-SPBD20LC/I-13 network transceiver module Fiber optic 1000 Mbit/s SFP Model AT-SPBD20LC/I-13 View product	B Allied Telesis QSFP28-LR4 network transceiver module Fiber optic 100000 Mbit/s 1308 nm Model QSFP28-LR4 View product
Performance4 differ
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rateDiffers	1000 Mbit/s	100000 Mbit/s
Interface typeDiffers	SFP	QSFP28
Single-mode fiber (SMF) supported	Yes	Yes
Fiber optic connector	LC	LC
SFP transceiver standardKnown for one	Unknown — not stated by the source	LR4
Maximum transfer distanceDiffers	20000 m	10000 m
WavelengthKnown for one	Unknown — not stated by the source	1308 nm
Link budgetDiffers	15 dB	5 dB
Ethernet interface typeKnown for one	Unknown — not stated by the source	100 Gigabit Ethernet
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3ba, IEEE 802.3bm
Digital Diagnostics Monitoring (DDM)	Yes	Yes
Tx wavelength (max)Known for one	1310 nm	Unknown — not stated by the source
Rx wavelength (max)Known for one	1490 nm	Unknown — not stated by the source
Tx power (min)Known for one	-5 dBmW	Unknown — not stated by the source
Tx power (max)Known for one	0 dBmW	Unknown — not stated by the source
Featuresidentical
Product colour	Silver	Silver
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	4 W
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability complianceKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	-40 - 95 °C	0 - 70 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 85 °C
Operating relative humidity (H-H)	0 - 85%	0 - 85%
Packaging contentidentical
Quantity per pack	1 pc(s)	1 pc(s)
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85369010	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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