D-Link DSL-2640U User Manual

DSL-2640U Wireless ADSL2+ Router with Ethernet WAN Support
User Manual
Configuring via Web-based Interface
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On the System / Telnet page, you can enable or disable access to the device settings via TELNET
from your LAN. Access via TELNET is disabled by default. It is automatically enabled after
changing the default administrator password.
Figure 125. The System / Telnet page.
To disable access via TELNET, move the Enable Telnet switch to the left and click the APPLY
button.
To enable access via TELNET again, move the Enable Telnet switch to the right. In the Port
field, enter the number of the router's port through which access will be allowed (by default, the
port 23 is specified). Then click the APPLY button.
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D-Link DSL-2640U Specifications

Power

input voltage	100V-240V
input current	0.6A
input frequency	50 Hz - 60 Hz
output voltage	12V
output current	1A

Data Transfer Rates

G.dmt full rate downstream	up to 8 Mbps
G.dmt full rate upstream	up to 1 Mbps
G.lite ADSL downstream	up to 1.5 Mbps
G.lite ADSL upstream	up to 512 Kbps
G.dmt.bis full rate downstream	up to 12 Mbps
G.dmt.bis full rate upstream	up to 1 Mbps
ADSL2+ full rate downstream	up to 24 Mbps
ADSL2+ full rate upstream	up to 1 Mbps

Wireless Transfer Rates

IEEE 802.11b transfer rates	11, 5.5, 2, and 1 Mbps
IEEE 802.11g transfer rates	6, 9, 12, 18, 24, 36, 48, 54 Mbps

Media Interface

ADSL interface connector	RJ-11 connector for connection to 24/26 AWG twisted pair telephone line
LAN interface ports	four RJ-45 ports for 10/100BASE-T Ethernet connection