Product comparison · 2 network transceiver modules

Allied Telesis AT-QSFPLR4 network transceiver module Fiber optic 40000 Mbit/s QSFP+ vs Allied Telesis AT-SPLX40 network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm

Key differences

Maximum data transfer rate
- AT-QSFPLR4 network transceiver module Fiber optic 40000 Mbit/s QSFP+:40000 Mbit/s
- AT-SPLX40 network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:1000 Mbit/s
Interface type
- AT-QSFPLR4 network transceiver module Fiber optic 40000 Mbit/s QSFP+:QSFP+
- AT-SPLX40 network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:SFP
SFP transceiver standard
- AT-QSFPLR4 network transceiver module Fiber optic 40000 Mbit/s QSFP+:CWDM, LR4
- AT-SPLX40 network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:LX
Maximum transfer distance
- AT-QSFPLR4 network transceiver module Fiber optic 40000 Mbit/s QSFP+:10000 m
- AT-SPLX40 network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:40000 m
Product colour
- AT-QSFPLR4 network transceiver module Fiber optic 40000 Mbit/s QSFP+:Silver
- AT-SPLX40 network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:Metallic

Differences highlightedShow differences only

Comparison of AT-QSFPLR4, AT-SPLX40
19 specifications	A Allied Telesis AT-QSFPLR4 network transceiver module Fiber optic 40000 Mbit/s QSFP+ Model AT-QSFPLR4 View product	B Allied Telesis AT-SPLX40 network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm Model AT-SPLX40 View product
Performance4 differ
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rateDiffers	40000 Mbit/s	1000 Mbit/s
Interface typeDiffers	QSFP+	SFP
Single-mode fiber (SMF) supported	Yes	Yes
Fiber optic connector	LC	LC
SFP transceiver standardDiffers	CWDM, LR4	LX
Maximum transfer distanceDiffers	10000 m	40000 m
Networking standardsKnown for one	IEEE 802.3ba	Unknown — not stated by the source
WavelengthKnown for one	Unknown — not stated by the source	1310 nm
Tx power (min)Known for one	Unknown — not stated by the source	-4 dBmW
Tx power (max)Known for one	Unknown — not stated by the source	1 dBmW
Rx power (max)Known for one	Unknown — not stated by the source	-24 dBmW
Features1 differ
Product colourDiffers	Silver	Metallic
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	MSA	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)Known for one	-20 - 85 °C	Unknown — not stated by the source
Packaging contentidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	85369010

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.