Product comparison · 2 modems

D-Link DSL-520B modem vs Zyxel P-630-S modem

10specifications compared
7differ
3identical
18known for one product only

Key differences

The D-Link DSL-520B modem has 2.7 Mbit/s more upstream data rate than the Zyxel P-630-S modem (3.5 Mbit/s vs 0.8 Mbit/s). The D-Link DSL-520B modem has 16 Mbit/s more downstream data rate than the Zyxel P-630-S modem (24 Mbit/s vs 8 Mbit/s). Only the D-Link DSL-520B modem has DC-in jack. Operating temperature (T-T): 0 - 40 °C on the D-Link DSL-520B modem, 0 - 50 °C on the Zyxel P-630-S modem. Operating relative humidity (H-H): -5 - 95% on the D-Link DSL-520B modem, 20 - 85% on the Zyxel P-630-S modem.

Upstream data rate
- DSL-520B modem:3.5 Mbit/s
- P-630-S modem:0.8 Mbit/s
Downstream data rate
- DSL-520B modem:24 Mbit/s
- P-630-S modem:8 Mbit/s
DC-in jack
- DSL-520B modem:Yes
- P-630-S modem:No
Operating temperature (T-T)
- DSL-520B modem:0 - 40 °C
- P-630-S modem:0 - 50 °C
Operating relative humidity (H-H)
- DSL-520B modem:-5 - 95%
- P-630-S modem:20 - 85%
Storage temperature (T-T)
- DSL-520B modem:-20 - 70 °C
- P-630-S modem:-30 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of DSL-520B, P-630-S
28 specifications	A D-Link DSL-520B modem Model DSL-520B View product	B Zyxel P-630-S modem Model P-630-S View product
Performance3 differ
Upstream data rateDiffers	3.5 Mbit/s	0.8 Mbit/s
Downstream data rateDiffers	24 Mbit/s	8 Mbit/s
Supported protocolsDiffers	- 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	PPPoE, PPPoA
MAC address filteringKnown for one	Yes	Unknown — not stated by the source
Featuresidentical
Internal	No	No
Plug and Play	Yes	Yes
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 & interfaces1 differ
DC-in jackDiffers	Yes	No
Modem (RJ-11) ports	1	1
Connector(s)Known for one	RJ-11, RJ-45	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Poweridentical
USB poweredKnown for one	Unknown — not stated by the source	Yes
Power supply typeKnown for one	100-240 VAC, 50/60 Hz	Unknown — not stated by the source
System requirementsidentical
Minimum processorKnown for one	Unknown — not stated by the source	Pentium 2 233MHz
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, Federal Communications Commission (FCC)
CertificationKnown for one	Unknown — not stated by the source	FCC part 15 & 68, CE, WHQL
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
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	-5 - 95%	20 - 85%
Storage temperature (T-T)Differs	-20 - 70 °C	-30 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	20 - 90%
Weight & dimensionsidentical
DepthKnown for one	Unknown — not stated by the source	45 mm
HeightKnown for one	Unknown — not stated by the source	26 mm
WeightKnown for one	Unknown — not stated by the source	75 g
WidthKnown for one	Unknown — not stated by the source	110 mm
Modemidentical
InterfaceKnown for one	RJ-11, RJ-45	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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