Product comparison · 2 modems

D-Link ADSL2+ Ethernet Modem (Annex B) vs Zyxel P-870M-I modem

7specifications compared
6differ
1identical
16known for one product only

Key differences

The Zyxel P-870M-I modem has 24 mm more depth than the D-Link ADSL2+ Ethernet Modem (Annex B) (132 mm vs 108 mm). The Zyxel P-870M-I modem has 9 mm more height than the D-Link ADSL2+ Ethernet Modem (Annex B) (40 mm vs 31 mm). The Zyxel P-870M-I modem has 47 mm more width than the D-Link ADSL2+ Ethernet Modem (Annex B) (189 mm vs 142 mm). Operating relative humidity (H-H): 5 - 95% on the D-Link ADSL2+ Ethernet Modem (Annex B), 20 - 85% on the Zyxel P-870M-I modem. Storage temperature (T-T): 20 - 70 °C on the D-Link ADSL2+ Ethernet Modem (Annex B), -20 - 60 °C on the Zyxel P-870M-I modem.

Operating relative humidity (H-H)
- ADSL2+ Ethernet Modem (Annex B):5 - 95%
- P-870M-I modem:20 - 85%
Storage temperature (T-T)
- ADSL2+ Ethernet Modem (Annex B):20 - 70 °C
- P-870M-I modem:-20 - 60 °C
Depth
- ADSL2+ Ethernet Modem (Annex B):108 mm
- P-870M-I modem:132 mm
Height
- ADSL2+ Ethernet Modem (Annex B):31 mm
- P-870M-I modem:40 mm
Width
- ADSL2+ Ethernet Modem (Annex B):142 mm
- P-870M-I modem:189 mm

Side by side

Differences highlightedShow differences only

Comparison of ADSL2+ Ethernet Modem (Annex B), P-870M-I
23 specifications	A D-Link ADSL2+ Ethernet Modem (Annex B)View product	B Zyxel P-870M-I modem Model P-870M-I View product
Performanceidentical
Upstream data rateKnown for one	Unknown — not stated by the source	50 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet 10/100 Mbps
Data link protocolsKnown for one	ADSL2+ / G.dmt	Unknown — not stated by the source
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
Featuresidentical
LED indicatorsKnown for one	Unknown — not stated by the source	Status
Electromagnetic emissionsKnown for one	Unknown — not stated by the source	FCC Part 15 Class B, EN 55022 Class B, EN 55024 Class B
InternalKnown for one	No	Unknown — not stated by the source
Ports & interfacesidentical
I/O portsKnown for one	Unknown — not stated by the source	2 x RJ-45 1 x RJ-11
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power requirementsKnown for one	Unknown — not stated by the source	9 V AC 1000 mA
Certificates1 differ
SafetyDiffers	CSA	CAN/CSA-C22.2 No. 60950-1-03, ANSI/UL Std No 60950-1, 1st Ed., EN 60950-1, 1st Ed., IEC 60950-1, 1st Ed.
Operational conditions2 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	5 - 95%	20 - 85%
Storage temperature (T-T)Differs	20 - 70 °C	-20 - 60 °C
Weight & dimensions3 differ
DepthDiffers	108 mm	132 mm
HeightDiffers	31 mm	40 mm
WeightKnown for one	Unknown — not stated by the source	265 g
WidthDiffers	142 mm	189 mm
Technical detailsidentical
Technical featuresKnown for one	Unknown — not stated by the source	- Duplex Method: DMT - LR-VDSL2 support - Power back-off
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

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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