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 QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm

17specifications compared
8differ
9identical
12known 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
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:40000 Mbit/s
Interface type
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:SFP
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:QSFP
Wavelength
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:1310 nm
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:1331 nm
Tx power (min)
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:-5 dBmW
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:-3 dBmW
Tx power (max)
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:0 dBmW
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:5 dBmW
Link budget
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:18 dB
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:16 dB
Operating temperature (T-T)
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:-40 - 105 °C
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:0 - 70 °C
RX sensitivity
- AT-SPLX40/E network transceiver module Fiber optic 1000 Mbit/s SFP 1310 nm:-23 dB
- QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm:-19 dB

Side by side

Differences highlightedShow differences only

Comparison of AT-SPLX40/E, QSFPER4
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 QSFPER4 network transceiver module Fiber optic 40000 Mbit/s QSFP 1331 nm Model QSFPER4 View product
Performance6 differ
Maximum data transfer rateDiffers	1000 Mbit/s	40000 Mbit/s
Interface typeDiffers	SFP	QSFP
Multi-mode fiber (MMF) supportedKnown for one	No	Unknown — not stated by the source
WavelengthDiffers	1310 nm	1331 nm
Tx power (min)Differs	-5 dBmW	-3 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	16 dB
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	ER4
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3ba
Featuresidentical
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
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
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 85 °C
Packaging contentidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Other features1 differ
RX sensitivityDiffers	-23 dB	-19 dB
Logistics dataidentical
Harmonized System (HS) codeKnown for one	8517.62.0050	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	3.5 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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