Product comparison · 2 modems

D-Link DSL-520B modem vs Zyxel P-870M modem

5specifications compared
4differ
1identical
20known for one product only

Key differences

The Zyxel P-870M modem has 96.5 Mbit/s more upstream data rate than the D-Link DSL-520B modem (100 Mbit/s vs 3.5 Mbit/s). The Zyxel P-870M modem has 76 Mbit/s more downstream data rate than the D-Link DSL-520B modem (100 Mbit/s vs 24 Mbit/s). Operating relative humidity (H-H): -5 - 95% on the D-Link DSL-520B modem, 20 - 85% on the Zyxel P-870M modem. Storage temperature (T-T): -20 - 70 °C on the D-Link DSL-520B modem, -20 - 60 °C on the Zyxel P-870M modem.

Upstream data rate
- DSL-520B modem:3.5 Mbit/s
- P-870M modem:100 Mbit/s
Downstream data rate
- DSL-520B modem:24 Mbit/s
- P-870M modem:100 Mbit/s
Operating relative humidity (H-H)
- DSL-520B modem:-5 - 95%
- P-870M modem:20 - 85%
Storage temperature (T-T)
- DSL-520B modem:-20 - 70 °C
- P-870M modem:-20 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of DSL-520B, P-870M
25 specifications	A D-Link DSL-520B modem Model DSL-520B View product	B Zyxel P-870M modem Model P-870M View product
Modemidentical
InterfaceKnown for one	RJ-11, RJ-45	Unknown — not stated by the source
Performance2 differ
Upstream data rateDiffers	3.5 Mbit/s	100 Mbit/s
Downstream data rateDiffers	24 Mbit/s	100 Mbit/s
MAC address filteringKnown for one	Yes	Unknown — not stated by the source
Supported protocolsKnown for one	- ATM Adaption Layer type 5 (AAL5) - Bridged or routed Ethernet encapsulation - VC and LLC based multiplexing - MAC Encapsulated Routing - ATM Forum UNI3.1/4.0 PVC - ATM Cell Format ITU-T Rec. I.361 - PPP over ATM (RFC 2364) - PPP over Ethernet (PPPoE) - PPP Link Control Protocol (LCP) - Internet Pr	Unknown — not stated by the source
Featuresidentical
InternalKnown for one	No	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Power LEDKnown for one	Yes	Unknown — not stated by the source
Electromagnetic emissionsKnown for one	Unknown — not stated by the source	FCC Part 15 Class B, EN 55022 Class B, EN 55024 Class B
Ports & interfacesidentical
Connector(s)Known for one	RJ-11, RJ-45	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power supply typeKnown for one	100-240 VAC, 50/60 Hz	Unknown — not stated by the source
Power requirementsKnown for one	Unknown — not stated by the source	120 V/230 V/240 V, 9 V AC 1000 mA
Certificatesidentical
Compliance industry standardsKnown for one	ADSL: Multi-mode, ANSI T1.413 Issue 2, ITU-T G.992.1 (G.dmt) Annex A, ITU-T G.992.2 (G.lite) Annex, AITU-T G.994.1 (G.hs), ADSL2: ITU-T G.992.3 (G.dmt.bis) Annex A/L/M ITU-T G.992.4 (G.lite.bis) Annex A, ADSL2+: ITU-T G.992.5 Annex A/M	Unknown — not stated by the source
SafetyKnown for one	Unknown — not stated by the source	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 & dimensionsidentical
DepthKnown for one	Unknown — not stated by the source	132 mm
HeightKnown for one	Unknown — not stated by the source	40 mm
WeightKnown for one	Unknown — not stated by the source	265 g
WidthKnown for one	Unknown — not stated by the source	189 mm

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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