Product comparison · 2 modems

Zyxel P-630-S3 ADSL USB Modem over ISDN vs Zyxel P-871M modem

14specifications compared
12differ
2identical
14known for one product only

Key differences

The Zyxel P-871M modem has 39.2 Mbit/s more upstream data rate than the Zyxel P-630-S3 ADSL USB Modem over ISDN (40 Mbit/s vs 0.8 Mbit/s). The Zyxel P-871M modem has 72 Mbit/s more downstream data rate than the Zyxel P-630-S3 ADSL USB Modem over ISDN (80 Mbit/s vs 8 Mbit/s). The Zyxel P-871M modem has 87 mm more depth than the Zyxel P-630-S3 ADSL USB Modem over ISDN (132 mm vs 45 mm). LED indicators: DSL on the Zyxel P-630-S3 ADSL USB Modem over ISDN, Yes on the Zyxel P-871M modem. Operating temperature (T-T): 0 - 50 °C on the Zyxel P-630-S3 ADSL USB Modem over ISDN, 0 - 40 °C on the Zyxel P-871M modem.

Upstream data rate
- P-630-S3 ADSL USB Modem over ISDN:0.8 Mbit/s
- P-871M modem:40 Mbit/s
Downstream data rate
- P-630-S3 ADSL USB Modem over ISDN:8 Mbit/s
- P-871M modem:80 Mbit/s
LED indicators
- P-630-S3 ADSL USB Modem over ISDN:DSL
- P-871M modem:Yes
Operating temperature (T-T)
- P-630-S3 ADSL USB Modem over ISDN:0 - 50 °C
- P-871M modem:0 - 40 °C
Operating relative humidity (H-H)
- P-630-S3 ADSL USB Modem over ISDN:20 - 80%
- P-871M modem:20 - 85%
Storage temperature (T-T)
- P-630-S3 ADSL USB Modem over ISDN:-30 - 60 °C
- P-871M modem:-20 - 60 °C
Depth
- P-630-S3 ADSL USB Modem over ISDN:45 mm
- P-871M modem:132 mm
Height
- P-630-S3 ADSL USB Modem over ISDN:26 mm
- P-871M modem:40 mm

Side by side

Differences highlightedShow differences only

Comparison of P-630-S3 ADSL USB Modem over ISDN, P-871M
28 specifications	A Zyxel P-630-S3 ADSL USB Modem over ISDN View product	B Zyxel P-871M modem Model P-871M View product
Performance2 differ
Upstream data rateDiffers	0.8 Mbit/s	40 Mbit/s
Downstream data rateDiffers	8 Mbit/s	80 Mbit/s
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet, Fast Ethernet, VDSL1/2
Supported protocolsKnown for one	Unknown — not stated by the source	1 x WAN (RJ45)
Features1 differ
Flow control supportKnown for one	Unknown — not stated by the source	Yes
LED indicatorsDiffers	DSL	Yes
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	1 x RJ-45 1 x USB	Unknown — not stated by the source
Poweridentical
USB poweredKnown for one	Unknown — not stated by the source	No
Certificates2 differ
Compliance certificatesDiffers	CE, Federal Communications Commission (FCC)	Federal Communications Commission (FCC)
CertificationDiffers	FCC part 15&68 CE WHQL	EN55022 Class B, EN61000-3-2: 2000, EN61000-3-3: 1995+A1:2001, FCC Part 15 (Class B), CSA 60950-1, UL 60950-1, EN 60950-1:2001+A11, IEC 60950-1:2001
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 50 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	20 - 80%	20 - 85%
Storage temperature (T-T)Differs	-30 - 60 °C	-20 - 60 °C
Weight & dimensions4 differ
DepthDiffers	45 mm	132 mm
HeightDiffers	26 mm	40 mm
WeightDiffers	78 g	307 g
WidthDiffers	110 mm	189 mm
System requirementsidentical
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Minimum RAMKnown for one	64 MB	Unknown — not stated by the source
Minimum processorKnown for one	Pentium II 233MHz/ Mac G3	Unknown — not stated by the source
Minimum system requirementsKnown for one	HD: 20 MB USB	Unknown — not stated by the source
Compatible operating systemsKnown for one	Win98, Win ME, Win2000, Win XP, Mac OS 9/X	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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