Product comparison · 2 modems

D-Link DFM-562IS modem 56 Kbit/s vs Zyxel P-871M VDSL2

7specifications compared
7differ
0identical
20known for one product only

Key differences

The Zyxel P-871M VDSL2 has 12 mm more depth than the D-Link DFM-562IS modem 56 Kbit/s (132 mm vs 120 mm). The D-Link DFM-562IS modem 56 Kbit/s has 10 mm more height than the Zyxel P-871M VDSL2 (50 mm vs 40 mm). The Zyxel P-871M VDSL2 has 261 g more weight than the D-Link DFM-562IS modem 56 Kbit/s (307 g vs 46 g). Only the D-Link DFM-562IS modem 56 Kbit/s has internal. Operating temperature (T-T): 0 - 55 °C on the D-Link DFM-562IS modem 56 Kbit/s, 0 - 40 °C on the Zyxel P-871M VDSL2.

Internal
- DFM-562IS modem 56 Kbit/s:Yes
- P-871M VDSL2:No
Operating temperature (T-T)
- DFM-562IS modem 56 Kbit/s:0 - 55 °C
- P-871M VDSL2:0 - 40 °C
Storage temperature (T-T)
- DFM-562IS modem 56 Kbit/s:-10 - 70 °C
- P-871M VDSL2:-20 - 60 °C
Depth
- DFM-562IS modem 56 Kbit/s:120 mm
- P-871M VDSL2:132 mm
Height
- DFM-562IS modem 56 Kbit/s:50 mm
- P-871M VDSL2:40 mm
Weight
- DFM-562IS modem 56 Kbit/s:46 g
- P-871M VDSL2:307 g

Side by side

Differences highlightedShow differences only

Comparison of DFM-562IS, P-871M VDSL2
27 specifications	A D-Link DFM-562IS modem 56 Kbit/s Model DFM-562IS 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
Data compressionKnown for one	V.42bis & MNP 2-4	Unknown — not stated by the source
Features1 differ
Flow control supportKnown for one	Unknown — not stated by the source	Yes
InternalDiffers	Yes	No
Connectivity LEDsKnown for one	Unknown — not stated by the source	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
Modem (RJ-11) portsKnown for one	2	Unknown — not stated by the source
Poweridentical
Power supply typeKnown for one	Unknown — not stated by the source	9V AC 1000mA
Certificates1 differ
Compliance certificatesKnown for one	Unknown — not stated by the source	Federal Communications Commission (FCC)
SafetyDiffers	LVD (EC 60950)	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 conditions2 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 85%
Storage temperature (T-T)Differs	-10 - 70 °C	-20 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	20 - 90%
Weight & dimensions3 differ
DepthDiffers	120 mm	132 mm
HeightDiffers	50 mm	40 mm
WeightDiffers	46 g	307 g
WidthKnown for one	Unknown — not stated by the source	189 mm
Modemidentical
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
InterfaceKnown for one	PCI	Unknown — not stated by the source
System requirementsidentical
Compatible operating systemsKnown for one	Windows 98SE, Windows ME, Windows 2000, 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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