Product comparison · 2 modems

D-Link ADSL2+ Ethernet Modem (Annex B) vs D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router

9specifications compared
6differ
3identical
15known for one product only

Key differences

The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 42 mm more depth than the D-Link ADSL2+ Ethernet Modem (Annex B) (150 mm vs 108 mm). The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 2 mm more height than the D-Link ADSL2+ Ethernet Modem (Annex B) (33 mm vs 31 mm). The D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router has 51 mm more width than the D-Link ADSL2+ Ethernet Modem (Annex B) (193 mm vs 142 mm). Modem type: ADSL on the D-Link ADSL2+ Ethernet Modem (Annex B), ADSL2, ADSL2+ on the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router. Interface: RJ-45 / RJ-11 on the D-Link ADSL2+ Ethernet Modem (Annex B), ADSL2, ADSL2+ on the D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router.

Modem type
- ADSL2+ Ethernet Modem (Annex B):ADSL
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:ADSL2, ADSL2+
Interface
- ADSL2+ Ethernet Modem (Annex B):RJ-45 / RJ-11
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:ADSL2, ADSL2+
Storage temperature (T-T)
- ADSL2+ Ethernet Modem (Annex B):20 - 70 °C
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:-20 - 65 °C
Depth
- ADSL2+ Ethernet Modem (Annex B):108 mm
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:150 mm
Height
- ADSL2+ Ethernet Modem (Annex B):31 mm
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:33 mm
Width
- ADSL2+ Ethernet Modem (Annex B):142 mm
- DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router:193 mm

Side by side

Differences highlightedShow differences only

Comparison of ADSL2+ Ethernet Modem (Annex B), DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router
24 specifications	A D-Link ADSL2+ Ethernet Modem (Annex B)View product	B D-Link DSL-2540B ADSL2/2+ Modem with 4-Port Ethernet Router View product
Modem2 differ
Modem typeDiffers	ADSL	ADSL2, ADSL2+
InterfaceDiffers	RJ-45 / RJ-11	ADSL2, ADSL2+
Modem speedKnown for one	24000 Kbit/s	Unknown — not stated by the source
Performanceidentical
Upstream data rateKnown for one	Unknown — not stated by the source	3.5 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	24 Mbit/s
Data link protocolsKnown for one	ADSL2+ / G.dmt	Unknown — not stated by the source
Supported protocolsKnown for one	OAM F4/F5 IP - ATM (RFC 1577) PPP - ATM (RFC 2364) PPP - Ethernet (PPPoE) AAL5	Unknown — not stated by the source
Featuresidentical
Connectivity LEDsKnown for one	Unknown — not stated by the source	DSL, LAN, Internet
InternalKnown for one	No	Unknown — not stated by the source
Ports & interfacesidentical
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	4
Modem (RJ-11) ports	1	1
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	7.6” x 5.9” x 1.3 10.8” x 8.2” x 2.7
Compliance industry standardsKnown for one	Unknown — not stated by the source	TR-067, TR-069
SafetyKnown for one	CSA	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage temperature (T-T)Differs	20 - 70 °C	-20 - 65 °C
Weight & dimensions3 differ
DepthDiffers	108 mm	150 mm
HeightDiffers	31 mm	33 mm
WeightKnown for one	Unknown — not stated by the source	318 g
WidthDiffers	142 mm	193 mm
Packaging dataidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	274 x 208 x 69 mm
Package weightKnown for one	Unknown — not stated by the source	953 g

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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