Zyxel P-871M modem vs Zyxel P-871M VDSL2

Comparison of P-871M, P-871M VDSL2

25 specifications	A Zyxel P-871M modem Model P-871M View product	B Zyxel P-871M VDSL2View product
Performanceidentical
Upstream data rate	40 Mbit/s	40 Mbit/s
Downstream data rate	80 Mbit/s	80 Mbit/s
Networking features	Ethernet, Fast Ethernet, VDSL1/2	Ethernet, Fast Ethernet, VDSL1/2
Supported protocolsKnown for one	1 x WAN (RJ45)	—Unknown — not stated by the source
Featuresidentical
Flow control support	Yes	Yes
Internal	No	No
LED indicatorsKnown for one	Yes	—Unknown — not stated by the source
Connectivity LEDs	Yes	Yes
Ports & interfacesidentical
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
I/O portsKnown for one	—Unknown — not stated by the source	1 x WAN (RJ45), 1x DB9
Poweridentical
USB poweredKnown for one	No	—Unknown — not stated by the source
Power supply typeKnown for one	—Unknown — not stated by the source	9V AC 1000mA
Certificates1 differ
Compliance certificates	Federal Communications Commission (FCC)	Federal Communications Commission (FCC)
CertificationDiffers	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	EN55022 Class B, EN61000-3-2: 2000, EN61000-3-3: 1995+A1:2001, FCC Part 15 (Class B)
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
SafetyKnown for one	—Unknown — not stated by the source	CSA 60950-1, UL 60950-1, EN 60950-1:2001+A11, IEC 60950-1:2001
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	20 - 85%	20 - 85%
Storage temperature (T-T)	-20 - 60 °C	-20 - 60 °C
Non-operating relative humidity (non-condensing)	20 - 90%	20 - 90%
Weight & dimensionsidentical
Depth	132 mm	132 mm
Height	40 mm	40 mm
Weight	307 g	307 g
Width	189 mm	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.