Product comparison · 2 modems

Fujitsu Modem 56k USB vs Zyxel P-871M VDSL2

6specifications compared
4differ
2identical
23known for one product only

Key differences

The Zyxel P-871M VDSL2 has 104 mm more depth than the Fujitsu Modem 56k USB (132 mm vs 28 mm). The Zyxel P-871M VDSL2 has 12 mm more height than the Fujitsu Modem 56k USB (40 mm vs 28 mm). The Zyxel P-871M VDSL2 has 57 g more weight than the Fujitsu Modem 56k USB (307 g vs 250 g).

Depth
- Modem 56k USB:28 mm
- P-871M VDSL2:132 mm
Height
- Modem 56k USB:28 mm
- P-871M VDSL2:40 mm
Weight
- Modem 56k USB:250 g
- P-871M VDSL2:307 g
Width
- Modem 56k USB:140 mm
- P-871M VDSL2:189 mm

Side by side

Differences highlightedShow differences only

Comparison of Modem 56k USB, P-871M VDSL2
29 specifications	A Fujitsu Modem 56k USB View product	B Zyxel P-871M VDSL2 View product
Performanceidentical
Upstream data rateKnown for one	Unknown — not stated by the source	40 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	80 Mbit/s
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet, Fast Ethernet, VDSL1/2
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
Flow control supportKnown for one	Unknown — not stated by the source	Yes
Internal	No	No
Connectivity LEDs	Yes	Yes
Ports & interfacesidentical
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
I/O portsKnown for one	Unknown — not stated by the source	1 x WAN (RJ45), 1x DB9
Poweridentical
Power supply typeKnown for one	Unknown — not stated by the source	9V AC 1000mA
USB poweredKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	Federal Communications Commission (FCC)
SafetyKnown for one	Unknown — not stated by the source	CSA 60950-1, UL 60950-1, EN 60950-1:2001+A11, IEC 60950-1:2001
CertificationKnown for one	Unknown — not stated by the source	EN55022 Class B, EN61000-3-2: 2000, EN61000-3-3: 1995+A1:2001, FCC Part 15 (Class B)
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 85%
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 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	132 mm
HeightDiffers	28 mm	40 mm
WeightDiffers	250 g	307 g
WidthDiffers	140 mm	189 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
System requirementsidentical
Compatible operating systemsKnown for one	Windows XP	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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