Product comparison · 2 network transceiver modules

Allied Telesis AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm vs Allied Telesis QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm

19specifications compared
11differ
8identical
10known for one product only

Key differences

Maximum data transfer rate
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:1000 Mbit/s
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:40000 Mbit/s
Interface type
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:SFP
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:QSFP
Multi-mode fiber (MMF) supported
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:No
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:Yes
Maximum transfer distance
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:40000 m
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:150 m
Wavelength
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:1310 nm
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:850 nm
Tx power (min)
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:-5 dBmW
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:-4 dBmW
Tx power (max)
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:0 dBmW
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:5 dBmW
Link budget
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:18 dB
- QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm:7 dB

Side by side

Differences highlightedShow differences only

Comparison of AT-SPLX40/E, QSFPSR4LC
29 specifications	A Allied Telesis AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm Model AT-SPLX40/E View product	B Allied Telesis QSFPSR4LC network transceiver module Fiber optic 40000 Mbit/s QSFP 850 nm Model QSFPSR4LC View product
Performance8 differ
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rateDiffers	1000 Mbit/s	40000 Mbit/s
Interface typeDiffers	SFP	QSFP
Single-mode fiber (SMF) supportedKnown for one	Yes	Unknown — not stated by the source
Multi-mode fiber (MMF) supportedDiffers	No	Yes
Fiber optic connector	LC	LC
Maximum transfer distanceDiffers	40000 m	150 m
WavelengthDiffers	1310 nm	850 nm
Tx power (min)Differs	-5 dBmW	-4 dBmW
Tx power (max)Differs	0 dBmW	5 dBmW
Rx power (max)Known for one	-23 dBmW	Unknown — not stated by the source
Link budgetDiffers	18 dB	7 dB
Digital Diagnostics Monitoring (DDM)	Yes	Yes
Export Control Classification Number (ECCN)Known for one	5A991B4A	Unknown — not stated by the source
SFP transceiver standardKnown for one	Unknown — not stated by the source	SR4
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3ba
Featuresidentical
Product colour	Silver	Silver
Housing material	Metal	Metal
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Hot-swap	Yes	Yes
Certificatesidentical
CertificationKnown for one	TAA	Unknown — not stated by the source
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Operational conditions1 differ
Operating temperature (T-T)Differs	-40 - 105 °C	0 - 70 °C
Operating relative humidity (H-H)	0 - 85%	0 - 85%
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 85 °C
Packaging contentidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other features1 differ
RX sensitivityDiffers	-23 dB	-11 dB
Logistics data1 differ
Harmonized System (HS) codeDiffers	8517.62.0050	85369010
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	1.5 W

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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