Zyxel P-871M VDSL Modem vs Zyxel P-871M VDSL2

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

23 specifications	A Zyxel P-871M VDSL ModemView product	B Zyxel P-871M VDSL2View product
Performanceidentical
Networking featuresKnown for one	—Unknown — not stated by the source	Ethernet, Fast Ethernet, VDSL1/2
Data link protocolsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D	—Unknown — not stated by the source
Featuresidentical
Flow control supportKnown for one	—Unknown — not stated by the source	Yes
InternalKnown for one	—Unknown — not stated by the source	No
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
I/O portsKnown for one	—Unknown — not stated by the source	1 x WAN (RJ45), 1x DB9
Poweridentical
Power supply typeKnown for one	—Unknown — not stated by the source	9V AC 1000mA
Certificates1 differ
SafetyKnown for one	—Unknown — not stated by the source	CSA 60950-1, UL 60950-1, EN 60950-1:2001+A11, IEC 60950-1:2001
CertificationDiffers	- EN55022 - EN61000-3-2: 2000 - EN61000-3-3: 1995+A1: 2001 - FCC Abschnitt 15 - 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 standardsKnown for one	—Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	20 - 85%
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	-20 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	—Unknown — not stated by the source	20 - 90%

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.