Product comparison · 2 modems

Conceptronic 56kbps USB voice/fax/modem vs Zyxel P-871M VDSL2

5specifications compared
4differ
1identical
30known for one product only

Key differences

The Conceptronic 56kbps USB voice/fax/modem has 68 mm more depth than the Zyxel P-871M VDSL2 (200 mm vs 132 mm). The Zyxel P-871M VDSL2 has 20 mm more height than the Conceptronic 56kbps USB voice/fax/modem (40 mm vs 20 mm). The Zyxel P-871M VDSL2 has 277 g more weight than the Conceptronic 56kbps USB voice/fax/modem (307 g vs 30 g).

Depth
- 56kbps USB voice/fax/modem:200 mm
- P-871M VDSL2:132 mm
Height
- 56kbps USB voice/fax/modem:20 mm
- P-871M VDSL2:40 mm
Weight
- 56kbps USB voice/fax/modem:30 g
- P-871M VDSL2:307 g
Width
- 56kbps USB voice/fax/modem:20 mm
- P-871M VDSL2:189 mm

Side by side

Differences highlightedShow differences only

Comparison of C56U, P-871M VDSL2
35 specifications	A Conceptronic 56kbps USB voice/fax/modem Model C56U 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
Featuresidentical
Flow control supportKnown for one	Unknown — not stated by the source	Yes
Internal	No	No
Connectivity LEDsKnown for one	Unknown — not stated by the source	Yes
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Power LEDKnown for one	Yes	Unknown — not stated by the source
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
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
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	200 mm	132 mm
HeightDiffers	20 mm	40 mm
WeightDiffers	30 g	307 g
WidthDiffers	20 mm	189 mm
Modemidentical
Modem typeKnown for one	V.92	Unknown — not stated by the source
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
InterfaceKnown for one	USB 2.0	Unknown — not stated by the source
ChipsetKnown for one	Conexant CX93010	Unknown — not stated by the source
System requirementsidentical
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Minimum system requirementsKnown for one	CD-ROM	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows XP, Windows Vista, Windows 7	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Phone (RJ-11)	Unknown — not stated by the source
Bundled softwareKnown for one	BVRP Software	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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