Product comparison · 2 modems

Zyxel Omni 56K Smart vs Zyxel U-90E ZyXEL 56K Data/Fax Modem

Key differences

Modem (RJ-11) ports
- Omni 56K Smart:1
- U-90E ZyXEL 56K Data/Fax Modem:2
Operating relative humidity (H-H)
- Omni 56K Smart:20 - 90%
- U-90E ZyXEL 56K Data/Fax Modem:5 - 90%

Differences highlightedShow differences only

Comparison of Omni 56K Smart, U-90E ZyXEL 56K Data/Fax Modem
17 specifications	A Zyxel Omni 56K Smart View product	B Zyxel U-90E ZyXEL 56K Data/Fax Modem View product
Modemidentical
Modem typeKnown for one	external	Unknown — not stated by the source
Modem speed	56 Kbit/s	56 Kbit/s
Performanceidentical
Data compressionKnown for one	V.42bis/MNP 5	Unknown — not stated by the source
Data link protocolsKnown for one	Unknown — not stated by the source	V.21/Bell, V.22/Bell, V.22bis, V.23, V.32, V.34, V.90
Maximum fax transfer rateKnown for one	Unknown — not stated by the source	14.4 Kbps
Featuresidentical
Flow control supportKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
Modem (RJ-11) portsDiffers	1	2
RS-232 portsKnown for one	Unknown — not stated by the source	1
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	20 - 90%	5 - 90%
Weight & dimensionsidentical
DepthKnown for one	100 mm	Unknown — not stated by the source
HeightKnown for one	25 mm	Unknown — not stated by the source
WeightKnown for one	102 g	Unknown — not stated by the source
WidthKnown for one	75 mm	Unknown — not stated by the source
Technical detailsidentical
Weight (imperial)Known for one	0.0998 kg (0.22 lbs)	Unknown — not stated by the source
System requirementsidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Compatible operating systemsKnown for one	Unknown — not stated by the source	DOS Windows 95/98/NT Mac OS UNIX Novell Amiga IBM AS400/AS6000

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.