Product comparison · 2 modems

D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router vs Zyxel P-630-S modem

13specifications compared
12differ
1identical
13known for one product only

Key differences

The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 2.7 Mbit/s more upstream data rate than the Zyxel P-630-S modem (3.5 Mbit/s vs 0.8 Mbit/s). The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 16 Mbit/s more downstream data rate than the Zyxel P-630-S modem (24 Mbit/s vs 8 Mbit/s). The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 105 mm more depth than the Zyxel P-630-S modem (150 mm vs 45 mm). Only the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has DC-in jack. Connectivity LEDs: DSL, LAN, Internet on the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router, Yes on the Zyxel P-630-S modem.

Upstream data rate
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:3.5 Mbit/s
- P-630-S modem:0.8 Mbit/s
Downstream data rate
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:24 Mbit/s
- P-630-S modem:8 Mbit/s
Connectivity LEDs
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:DSL, LAN, Internet
- P-630-S modem:Yes
DC-in jack
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:Yes
- P-630-S modem:No
Operating temperature (T-T)
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:0 - 40 °C
- P-630-S modem:0 - 50 °C
Operating relative humidity (H-H)
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:5 - 95%
- P-630-S modem:20 - 85%
Storage temperature (T-T)
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:-20 - 65 °C
- P-630-S modem:-30 - 60 °C
Depth
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:150 mm
- P-630-S modem:45 mm

Side by side

Differences highlightedShow differences only

Comparison of DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router, P-630-S
26 specifications	A D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router View product	B Zyxel P-630-S modem Model P-630-S View product
Performance2 differ
Upstream data rateDiffers	3.5 Mbit/s	0.8 Mbit/s
Downstream data rateDiffers	24 Mbit/s	8 Mbit/s
Supported protocolsKnown for one	Unknown — not stated by the source	PPPoE, PPPoA
Features1 differ
InternalKnown for one	Unknown — not stated by the source	No
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Connectivity LEDsDiffers	DSL, LAN, Internet	Yes
Ports & interfaces1 differ
DC-in jackDiffers	Yes	No
Modem (RJ-11) ports	1	1
Ethernet LAN (RJ-45) portsKnown for one	4	Unknown — not stated by the source
Poweridentical
USB poweredKnown for one	Unknown — not stated by the source	Yes
System requirementsidentical
Minimum processorKnown for one	Unknown — not stated by the source	Pentium 2 233MHz
Certificates1 differ
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, Federal Communications Commission (FCC)
CertificationDiffers	7.6” x 5.9” x 1.3 10.8” x 8.2” x 2.7	FCC part 15 & 68, CE, WHQL
Compliance industry standardsKnown for one	TR-067, TR-069	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	5 - 95%	20 - 85%
Storage temperature (T-T)Differs	-20 - 65 °C	-30 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	20 - 90%
Weight & dimensions4 differ
DepthDiffers	150 mm	45 mm
HeightDiffers	33 mm	26 mm
WeightDiffers	318 g	75 g
WidthDiffers	193 mm	110 mm
Modemidentical
Modem typeKnown for one	ADSL2, ADSL2+	Unknown — not stated by the source
InterfaceKnown for one	ADSL2, ADSL2+	Unknown — not stated by the source
Packaging dataidentical
Package dimensions (WxDxH)Known for one	274 x 208 x 69 mm	Unknown — not stated by the source
Package weightKnown for one	953 g	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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