Product comparison · 2 network transceiver modules

Allied Telesis AT-SPBD40-13/I network transceiver module Fiber optic 1000 Mbit/s SFP vs Allied Telesis AT-SPSX-90 network transceiver module Fiber optic 1000 Mbit/s SFP 850 nm

Key differences

Maximum transfer distance
- AT-SPBD40-13/I network transceiver module Fiber optic 1000 Mbit/s SFP:40000 m
- AT-SPSX-90 network transceiver module Fiber optic 1000 Mbit/s SFP 850 nm:550 m
Tx power (max)
- AT-SPBD40-13/I network transceiver module Fiber optic 1000 Mbit/s SFP:2 dBmW
- AT-SPSX-90 network transceiver module Fiber optic 1000 Mbit/s SFP 850 nm:-3 dBmW
Operating temperature (T-T)
- AT-SPBD40-13/I network transceiver module Fiber optic 1000 Mbit/s SFP:-40 - 85 °C
- AT-SPSX-90 network transceiver module Fiber optic 1000 Mbit/s SFP 850 nm:-40 - 105 °C

Differences highlightedShow differences only

Comparison of AT-SPBD40-13/I, AT-SPSX-90
22 specifications	A Allied Telesis AT-SPBD40-13/I network transceiver module Fiber optic 1000 Mbit/s SFP Model AT-SPBD40-13/I View product	B Allied Telesis AT-SPSX-90 network transceiver module Fiber optic 1000 Mbit/s SFP 850 nm Model AT-SPSX-90 View product
Performance2 differ
Multi-mode fiber (MMF) supportedKnown for one	Unknown — not stated by the source	Yes
Maximum transfer distanceDiffers	40000 m	550 m
WavelengthKnown for one	Unknown — not stated by the source	850 nm
Tx power (min)Known for one	Unknown — not stated by the source	-8 dBmW
Tx power (max)Differs	2 dBmW	-3 dBmW
Link budgetKnown for one	Unknown — not stated by the source	11 dB
Single-mode fiber (SMF) supportedKnown for one	Yes	Unknown — not stated by the source
Tx wavelength (max)Known for one	1310 nm	Unknown — not stated by the source
Rx wavelength (max)Known for one	1490 nm	Unknown — not stated by the source
Digital Diagnostics Monitoring (DDM)Known for one	Yes	Unknown — not stated by the source
Featuresidentical
Housing materialKnown for one	Unknown — not stated by the source	Metal
Operational conditions1 differ
Operating temperature (T-T)Differs	-40 - 85 °C	-40 - 105 °C
Operating relative humidity (H-H)Known for one	0 - 85%	Unknown — not stated by the source
Other featuresidentical
RX sensitivityKnown for one	Unknown — not stated by the source	-19 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.