Product comparison · 2 wired routers

Zyxel 791R v2 vs Zyxel P663H-51 wired router

12specifications compared
6differ
6identical
21known for one product only

Key differences

Supports ISDN connection
- 791R v2:Yes
- P663H-51 wired router:No
Ethernet LAN (RJ-45) ports
- 791R v2:1
- P663H-51 wired router:4
Management protocols
- 791R v2:SNMP, Telnet
- P663H-51 wired router:SNMPv1/v2c
Weight
- 791R v2:286.5 g
- P663H-51 wired router:400 g
Dimensions (WxDxH)
- 791R v2:180 x 127 x 36 mm
- P663H-51 wired router:207 x 161 x 52 mm
Maximum data transfer rate
- 791R v2:0.005 Gbit/s
- P663H-51 wired router:0.1 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 791R v2, P663H-51
33 specifications	A Zyxel 791R v2 View product	B Zyxel P663H-51 wired router Model P663H-51 View product
Network1 differ
Supports ISDN connectionDiffers	Yes	No
Networking standardsKnown for one	IEEE 802.1d	Unknown — not stated by the source
Data transfer rateKnown for one	10 Mbit/s	Unknown — not stated by the source
DSL featuresidentical
ADSL	Yes	Yes
DSL specificationKnown for one	Unknown — not stated by the source	ADSL2/2+, Annex L & Annex M
Management featuresidentical
Web-based managementKnown for one	Unknown — not stated by the source	Yes
Quality of Service (QoS) supportKnown for one	Unknown — not stated by the source	Yes
Universal Plug and Play (UPnP)	Yes	Yes
Reset buttonKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers	1	4
RJ-11 ports quantity	1	1
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Protocols1 differ
DHCP server	Yes	Yes
Management protocolsDiffers	SNMP, Telnet	SNMPv1/v2c
DHCP clientKnown for one	Yes	Unknown — not stated by the source
Routing protocolsKnown for one	RIP-1, RIP-2	Unknown — not stated by the source
Supported network protocolsKnown for one	TCP/IP, PPPoE, PPPoA	Unknown — not stated by the source
Supported protocolsKnown for one	ITU G.991.2 (G.shdsl)	Unknown — not stated by the source
Featuresidentical
SafetyKnown for one	Unknown — not stated by the source	UL1950, CSA C22.2 No. 950
CertificationKnown for one	Unknown — not stated by the source	RoHS & WEEE
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	12 W
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	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	20 - 85 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	286.5 g	400 g
Other features2 differ
Power requirementsKnown for one	Unknown — not stated by the source	12 VDC (1.5A)
Connectivity technology	Wired	Wired
Dimensions (WxDxH)Differs	180 x 127 x 36 mm	207 x 161 x 52 mm
Maximum data transfer rateDiffers	0.005 Gbit/s	0.1 Gbit/s
Connectivity LEDsKnown for one	Unknown — not stated by the source	4x Ethernet LAN, 2x ADSL2+
Electromagnetic emissionsKnown for one	Unknown — not stated by the source	FCC Part 15 & Part 68 Class B
Output power descriptionKnown for one	9V AC	Unknown — not stated by the source
Securityidentical
Authentication methodKnown for one	PAP, CHAP, PPP	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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