Product comparison · 2 modems

D-Link ADSL2+ Ethernet Modem (Annex B) vs Zyxel P-871M VDSL Modem

4specifications compared
4differ
0identical
16known for one product only

Key differences

The Zyxel P-871M VDSL Modem has 24 mm more depth than the D-Link ADSL2+ Ethernet Modem (Annex B) (132 mm vs 108 mm). The Zyxel P-871M VDSL Modem has 9 mm more height than the D-Link ADSL2+ Ethernet Modem (Annex B) (40 mm vs 31 mm). The Zyxel P-871M VDSL Modem has 47 mm more width than the D-Link ADSL2+ Ethernet Modem (Annex B) (189 mm vs 142 mm).

Depth
- ADSL2+ Ethernet Modem (Annex B):108 mm
- P-871M VDSL Modem:132 mm
Height
- ADSL2+ Ethernet Modem (Annex B):31 mm
- P-871M VDSL Modem:40 mm
Width
- ADSL2+ Ethernet Modem (Annex B):142 mm
- P-871M VDSL Modem:189 mm

Side by side

Differences highlightedShow differences only

Comparison of ADSL2+ Ethernet Modem (Annex B), P-871M VDSL Modem
20 specifications	A D-Link ADSL2+ Ethernet Modem (Annex B)View product	B Zyxel P-871M VDSL Modem View product
Modemidentical
Modem typeKnown for one	ADSL	Unknown — not stated by the source
Modem speedKnown for one	24000 Kbit/s	Unknown — not stated by the source
InterfaceKnown for one	RJ-45 / RJ-11	Unknown — not stated by the source
Performance1 differ
Data link protocolsDiffers	ADSL2+ / G.dmt	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Supported protocolsKnown for one	OAM F4/F5 IP - ATM (RFC 1577) PPP - ATM (RFC 2364) PPP - Ethernet (PPPoE) AAL5	Unknown — not stated by the source
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
Featuresidentical
InternalKnown for one	No	Unknown — not stated by the source
Ports & interfacesidentical
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Certificatesidentical
SafetyKnown for one	CSA	Unknown — not stated by the source
Compliance certificatesKnown for one	Unknown — not stated by the source	Federal Communications Commission (FCC)
CertificationKnown for one	Unknown — not stated by the source	- EN55022 - EN61000-3-2: 2000 - EN61000-3-3: 1995+A1: 2001 - FCC Abschnitt 15 - CSA 60950-1 - UL 60950-1 - EN 60950-1: 2001+A11 - IEC 60950-1: 2001
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	20 - 70 °C	Unknown — not stated by the source
Weight & dimensions3 differ
DepthDiffers	108 mm	132 mm
HeightDiffers	31 mm	40 mm
WidthDiffers	142 mm	189 mm
WeightKnown for one	Unknown — not stated by the source	307 g

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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