Product comparison · 2 network transceiver modules

Allied Telesis AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP vs Allied Telesis AT-SPBD40DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP

8specifications compared
3differ
5identical
26known for one product only

Key differences

Maximum data transfer rate
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:1250 Mbit/s
- AT-SPBD40DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP:1000 Mbit/s
Maximum transfer distance
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:20000 m
- AT-SPBD40DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP:40000 m
Operating temperature (T-T)
- AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP:-40 - 95 °C
- AT-SPBD40DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP:-40 - 185 °F

Side by side

Differences highlightedShow differences only

Comparison of AT-SPBD20-13/I, AT-SPBD40DUAL-14
34 specifications	A Allied Telesis AT-SPBD20-13/I network transceiver module Fiber optic 1250 Mbit/s SFP Model AT-SPBD20-13/I View product	B Allied Telesis AT-SPBD40DUAL-14 network transceiver module Fiber optic 1000 Mbit/s SFP Model AT-SPBD40DUAL-14 View product
Performance2 differ
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rateDiffers	1250 Mbit/s	1000 Mbit/s
Interface type	SFP	SFP
Single-mode fiber (SMF) supported	Yes	Yes
Fiber optic connector	LC	LC
Fiber cable diameters supported (core/cladding)Known for one	9/125 µm	Unknown — not stated by the source
SFP transceiver standardKnown for one	BX	Unknown — not stated by the source
Maximum transfer distanceDiffers	20000 m	40000 m
Networking standardsKnown for one	IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3z	Unknown — not stated by the source
Auto MDI/MDI-XKnown for one	Yes	Unknown — not stated by the source
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	-3 dBmW
Tx power (max)Known for one	Unknown — not stated by the source	2 dBmW
Link budgetKnown for one	Unknown — not stated by the source	20 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
Featuresidentical
Hot-Plug supportKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	Allied Telesis iMG2400 / 1400	Unknown — not stated by the source
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
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	MSA	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	-40 - 95 °C	-40 - 185 °F
Storage temperature (T-T)Known for one	-40 - 95 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	13.4 mm	Unknown — not stated by the source
DepthKnown for one	56.5 mm	Unknown — not stated by the source
HeightKnown for one	8.5 mm	Unknown — not stated by the source
Packaging contentidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other featuresidentical
RX sensitivityKnown for one	Unknown — not stated by the source	-23 dB

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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