Product comparison · 2 modems

Fujitsu Modem 56k USB vs Zyxel P-630-S3 ADSL USB Modem over ISDN

6specifications compared
5differ
1identical
21known for one product only

Key differences

The Zyxel P-630-S3 ADSL USB Modem over ISDN has 17 mm more depth than the Fujitsu Modem 56k USB (45 mm vs 28 mm). The Fujitsu Modem 56k USB has 2 mm more height than the Zyxel P-630-S3 ADSL USB Modem over ISDN (28 mm vs 26 mm). The Fujitsu Modem 56k USB has 172 g more weight than the Zyxel P-630-S3 ADSL USB Modem over ISDN (250 g vs 78 g).

Depth
- Modem 56k USB:28 mm
- P-630-S3 ADSL USB Modem over ISDN:45 mm
Height
- Modem 56k USB:28 mm
- P-630-S3 ADSL USB Modem over ISDN:26 mm
Weight
- Modem 56k USB:250 g
- P-630-S3 ADSL USB Modem over ISDN:78 g
Width
- Modem 56k USB:140 mm
- P-630-S3 ADSL USB Modem over ISDN:110 mm

Side by side

Differences highlightedShow differences only

Comparison of Modem 56k USB, P-630-S3 ADSL USB Modem over ISDN
27 specifications	A Fujitsu Modem 56k USB View product	B Zyxel P-630-S3 ADSL USB Modem over ISDN View product
Performanceidentical
Upstream data rateKnown for one	Unknown — not stated by the source	0.8 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	8 Mbit/s
Supported data transfer ratesKnown for one	56, 33.6, 28.8, 14.4 Mbps	Unknown — not stated by the source
Data compressionKnown for one	V.44, V.42bis, MNP 5	Unknown — not stated by the source
Featuresidentical
Internal	No	No
LED indicatorsKnown for one	Unknown — not stated by the source	DSL
Connectivity LEDsKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
I/O portsKnown for one	Unknown — not stated by the source	1 x RJ-45 1 x USB
System requirements1 differ
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Minimum RAMKnown for one	Unknown — not stated by the source	64 MB
Minimum processorKnown for one	Unknown — not stated by the source	Pentium II 233MHz/ Mac G3
Minimum system requirementsKnown for one	Unknown — not stated by the source	HD: 20 MB USB
Compatible operating systemsDiffers	Windows XP	Win98, Win ME, Win2000, Win XP, Mac OS 9/X
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, Federal Communications Commission (FCC)
CertificationKnown for one	Unknown — not stated by the source	FCC part 15&68 CE WHQL
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 50 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-30 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	20 - 90%
Weight & dimensions4 differ
DepthDiffers	28 mm	45 mm
HeightDiffers	28 mm	26 mm
WeightDiffers	250 g	78 g
WidthDiffers	140 mm	110 mm
Modemidentical
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
InterfaceKnown for one	USB 1.1	Unknown — not stated by the source
ChipsetKnown for one	Pegasus Discrete DAA	Unknown — not stated by the source
Poweridentical
USB poweredKnown for one	Yes	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.

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