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

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

23 specifications	A Zyxel P-871M modem Model P-871M View product	B Zyxel P-871M VDSL ModemView product
Performanceidentical
Upstream data rate	40 Mbit/s	40 Mbit/s
Downstream data rate	80 Mbit/s	80 Mbit/s
Networking featuresKnown for one	Ethernet, Fast Ethernet, VDSL1/2	—Unknown — not stated by the source
Supported protocolsKnown for one	1 x WAN (RJ45)	—Unknown — not stated by the source
Data link protocolsKnown for one	—Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D
Featuresidentical
Flow control supportKnown for one	Yes	—Unknown — not stated by the source
InternalKnown for one	No	—Unknown — not stated by the source
LED indicatorsKnown for one	Yes	—Unknown — not stated by the source
Connectivity LEDsKnown for one	Yes	—Unknown — not stated by the source
Ports & interfacesidentical
DC-in jackKnown for one	Yes	—Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Poweridentical
USB poweredKnown for one	No	—Unknown — not stated by the source
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 - 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
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.1D	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	—Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 85%	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 60 °C	—Unknown — not stated by the source
Non-operating relative humidity (non-condensing)Known for one	20 - 90%	—Unknown — not stated by the source
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.