Product comparison · 2 network transceiver modules

Allied Telesis AT-QSFPSR network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm vs Allied Telesis AT-SPBD20DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP

4specifications compared
3differ
1identical
24known for one product only

Key differences

Maximum data transfer rate
- AT-QSFPSR network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm:40000 Mbit/s
- AT-SPBD20DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP:1000 Mbit/s
Interface type
- AT-QSFPSR network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm:QSFP+
- AT-SPBD20DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP:SFP
Operating temperature (T-T)
- AT-QSFPSR network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm:0 - 70 °C
- AT-SPBD20DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP:-40 - 185 °F

Side by side

Differences highlightedShow differences only

Comparison of AT-QSFPSR, AT-SPBD20DUAL-14
28 specifications	A Allied Telesis AT-QSFPSR network transceiver module Fiber optic 40000 Mbit/s QSFP+ 850 nm Model AT-QSFPSR View product	B Allied Telesis AT-SPBD20DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP Model AT-SPBD20DUAL-14 View product
Performance2 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) supportedKnown for one	Unknown — not stated by the source	Yes
Fiber optic connectorKnown for one	Unknown — not stated by the source	LC
Maximum transfer distanceKnown for one	Unknown — not stated by the source	20000 m
Tx wavelength (max)Known for one	Unknown — not stated by the source	1490 nm
Rx wavelength (max)Known for one	Unknown — not stated by the source	1310 nm
Tx power (min)Known for one	Unknown — not stated by the source	-8 dBmW
Tx power (max)Known for one	Unknown — not stated by the source	-3 dBmW
Link budgetKnown for one	Unknown — not stated by the source	15 dB
Duplex systemKnown for one	Unknown — not stated by the source	Full
Digital Diagnostics Monitoring (DDM)Known for one	Unknown — not stated by the source	Yes
Fiber ports quantityKnown for one	Unknown — not stated by the source	2
Multi-mode fiber (MMF) supportedKnown for one	Yes	Unknown — not stated by the source
SFP transceiver standardKnown for one	SR	Unknown — not stated by the source
WavelengthKnown for one	850 nm	Unknown — not stated by the source
Cabling technologyKnown for one	40GBASE-SR	Unknown — not stated by the source
Featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Metallic
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 70 °C	-40 - 185 °F
Storage temperature (T-T)Known for one	-40 - 85 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 80%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 85%	Unknown — not stated by the source
Packaging contentidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Other featuresidentical
RX sensitivityKnown for one	Unknown — not stated by the source	-23 dB
Certificatesidentical
CertificationKnown for one	MSA	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.

More network transceiver module comparisons

All network transceiver module comparisons