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Technical Details
- Supports the latest ADSL standards for superior performance
- Access a high-speed DSL connection and share the Internet
- Connect up to 4 computers or other Ethernet-enabled devices
Product Details
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Product Description
The D-Link ADSL2/2+ Modem with 4-Port Ethernet Router (DSL-2540B) is a 2-in-1 device that combines the function of a DSL modem and 4-port 10/100 Ethernet router. The DSL-2540B supports the latest ADSL2/2+ standards to provide higher performance (up to 24Mbps* downstream and 3.5Mbps* upstream) and longer reach from your Internet Service Provider’s (ISP) Digital Subscriber Line Access Multiplexer (DSLAM). You can also create a wired network to share your high-speed Internet connection, documents, photos, music, videos, printers, and Network Attached Storage (NAS).
Customer Reviews
Most Helpful Customer Reviews
40 of 41 people found the following review helpful
Amazon Verified Purchase
I have been a long standing AT&T DSL subscriber in Texas. When my seemingly ancient 2Wire Homeportal 1000 finally gave way after ~7 years of use (aka, died), I called AT&T and assumed they would send a replacement DSL modem post haste. Au contraire. Said I was on my own, and was frankly pretty shocked as I am a big AT&T customer. I use an Apple Airport Extreme wireless network (5 wireless distribution nodes) and did not want/need to purchase the latest 2Wire WIFI device at over $200, but I also wanted more than one ethernet port on the device. BTW - I ran the HomePortal in Bridge Mode.
The D-Link DSL-2540B fit the bill but I was hesitant as I needed to configure the ne modem in Bridge or Bridging mode as I use PPPoE to connect to the net from my Airport Extreme base station. I found the following config info on the net (see below) while researching various solutions, and when my DSL-2540B today, I was up and running within 10 minutes.
Performance and connectivity have been great.
AT&T Bridge Mode Settings
Connect your computer directly to the D-Link. Use a cable, as Wi-Fi masochism is beyond the scope of this document. Browse to http://192.168.1.1/ in the browser of your choice. If your system has assigned itself a 169.mumble address, you will first need to manually assign your computer an IP address like 192.168.1.5, a subnet mask of 255.255.255.0, and a default gateway of 192.168.1.1 to do so.
You should be challenged for a username and password to proceed. By default these are both set to "admin" and you really ought to change this at some point.
You should be presented with a Home / Wizard screen. Un-check the box labeled "DSL Auto-connect." This will allow you to specify the VPI and VCI for your connection. For most ISPs in the AT&T ILEC footprint, this will be 0 and 35 respectively. Click Next.
You should be prompted to set the connection type. Select the radio button labeled "Bridging" and the pull-down menu option labeled "LLC/SNAP-BRIDGING." Click Next.
You will be presented with the Device Setup screen. The default settings will suffice for most home use. Click Next.
You will be presented with the wireless configuration screen. If you wish to disable wireless for some reason (and should have bought at 2320B instead), un-check the box labeled "Enable Wireless." Click Next.
You will be presented with a summary of your configuration. Read it carefully to ensure that it understood you correctly, then click the button labeled "Save / Reboot." The DSL-2640B will restart, after which you should have Internet connectivity.
The D-Link DSL-2540B fit the bill but I was hesitant as I needed to configure the ne modem in Bridge or Bridging mode as I use PPPoE to connect to the net from my Airport Extreme base station. I found the following config info on the net (see below) while researching various solutions, and when my DSL-2540B today, I was up and running within 10 minutes.
Performance and connectivity have been great.
AT&T Bridge Mode Settings
Connect your computer directly to the D-Link. Use a cable, as Wi-Fi masochism is beyond the scope of this document. Browse to http://192.168.1.1/ in the browser of your choice. If your system has assigned itself a 169.mumble address, you will first need to manually assign your computer an IP address like 192.168.1.5, a subnet mask of 255.255.255.0, and a default gateway of 192.168.1.1 to do so.
You should be challenged for a username and password to proceed. By default these are both set to "admin" and you really ought to change this at some point.
You should be presented with a Home / Wizard screen. Un-check the box labeled "DSL Auto-connect." This will allow you to specify the VPI and VCI for your connection. For most ISPs in the AT&T ILEC footprint, this will be 0 and 35 respectively. Click Next.
You should be prompted to set the connection type. Select the radio button labeled "Bridging" and the pull-down menu option labeled "LLC/SNAP-BRIDGING." Click Next.
You will be presented with the Device Setup screen. The default settings will suffice for most home use. Click Next.
You will be presented with the wireless configuration screen. If you wish to disable wireless for some reason (and should have bought at 2320B instead), un-check the box labeled "Enable Wireless." Click Next.
You will be presented with a summary of your configuration. Read it carefully to ensure that it understood you correctly, then click the button labeled "Save / Reboot." The DSL-2640B will restart, after which you should have Internet connectivity.
26 of 29 people found the following review helpful
Amazon Verified Purchase
First of all auto-connect does not work for Verizon but manual configuration will work, the settings below is for verizon. I have verizon dsl with dhcp, no pppoe or pppoa, which means i get a dynamic ip address from verizon. I had to disconnect my old modem overnight so the IP address would be release from my old modem, and then plug in my new dlink modem and go into the dlink browser and create new wan setting and enter
VPI=0, VCI=35,MAC encapsulation,Routing=LLC/SNAP Bridging,Obtain IP Address Automatically,Connection type=MER,Service name=mer_0_35(default),Servicd category=UBR(UBR without PCR),Service state=enabled, nat enabled,Firewall=enabled,IGMP Multicast enabled,wan service enabled, Quality of service=disabled, user/password=admin/admin to start.
Update: After a 6 months to a year with all the manual configs I had set, it constantly stopped connecting to the internet after a few hours. It might have something to do with Verizon's end not being compatible, I dunno. Sometimes it worked and then it stops working after few hours, it became a major headache that I had went back to my westell. Verizon only support their own routers and Dlink's tech support are not network admins who know the configurations to connect your router to your isp so they're useless. For verizon dsl people, I would stick with westell or go get FIOS like i did.
VPI=0, VCI=35,MAC encapsulation,Routing=LLC/SNAP Bridging,Obtain IP Address Automatically,Connection type=MER,Service name=mer_0_35(default),Servicd category=UBR(UBR without PCR),Service state=enabled, nat enabled,Firewall=enabled,IGMP Multicast enabled,wan service enabled, Quality of service=disabled, user/password=admin/admin to start.
Update: After a 6 months to a year with all the manual configs I had set, it constantly stopped connecting to the internet after a few hours. It might have something to do with Verizon's end not being compatible, I dunno. Sometimes it worked and then it stops working after few hours, it became a major headache that I had went back to my westell. Verizon only support their own routers and Dlink's tech support are not network admins who know the configurations to connect your router to your isp so they're useless. For verizon dsl people, I would stick with westell or go get FIOS like i did.
32 of 37 people found the following review helpful
Amazon Verified Purchase
Retired WAN (Wide Area Networking) programmer from a vary large networking company, and as such was surprised when my AT&T ADSL/Router died after only two years. My options were to buy:
AT&T ADSL/Router
....Will diagnose their products remotely - however not others.
....Reliability??
ADSL/Router at large office supply store.
....Difficult to configure.
....Non-standard local IP Address.
....Had to call support to configure.
....Returned - didn't meet 6 Meg bandwidth spec (a waste of $$$).
D-Link ADSL/Router.
....Meets all specs.
....Works like a champ.
....Easy to setup.
....Standard local IP address.
AT&T ADSL/Router
....Will diagnose their products remotely - however not others.
....Reliability??
ADSL/Router at large office supply store.
....Difficult to configure.
....Non-standard local IP Address.
....Had to call support to configure.
....Returned - didn't meet 6 Meg bandwidth spec (a waste of $$$).
D-Link ADSL/Router.
....Meets all specs.
....Works like a champ.
....Easy to setup.
....Standard local IP address.
Most Recent Customer Reviews
Great router!!!
After working out some issues to figure out why the router was working...we decided to try a new cord. That was the only problem we had to correct. Read more
Published 4 hours ago by Franklin Hagan
Amazon sent me a used modem!?!?!?
The "NEW" DSL Modem I purchased from Amazon was appears to be used?!? The item was "shrink wrapped" to a separate piece of cardboard. Read more
Published 10 days ago by Torey Olsen
Not what I expected...
One thing to point out. I bought this and didnt get all of the equipment. Maybe Im one of the few? Oh and its old like Windows XP old.
Published 1 month ago by Sig Moua
BEST INVESTMENT I made
it was easy to hook up and the disc with it hooked me up I really love it and its fast goes well with d link router lol beats the heck out of paying 85 dollars to windstream for... Read more
Published 2 months ago by Mike Carr
Works well-Can't complain
The only problem I've had out of it is having to restart it a couple of times when the connection had been lost. That is the only reason I took away one star. Read more
Published 2 months ago by Lookin4Dealz
So-so. might be the product might be the DSL service
The positive- acts as a modem and 4 port router. Plugs right into the phone line if you have DSL- replaces any modem you have. Read more
Published 3 months ago by TW
Not worth the money
I had bought this item on April 2011
I didn't use it much as we had wireless internet connection and this was mainly used in conjunction with Vonage. Read more
I didn't use it much as we had wireless internet connection and this was mainly used in conjunction with Vonage. Read more
Published 5 months ago by G. Singh
Customer service
I received this item very quickly, and when I found that I had double order, the return process was very quick and smooth. Credit issued and I considered a great transaction.
Published 5 months ago by C. Stout
Manufacturer knows there are problems
As I write this I have had 3 units which have failed for one reason or another in the past 6 months and am awaiting the delivery of a different model. Read more
Published 8 months ago by Robert W. Wood
It's probably just me, but I couldn't make it work consistentlly.
I ended up returning this to Amazon after a month of trying to get it working consistently. My problem was that it would repeatedly crash, stalling all my network traffic. Read more
Published 8 months ago by Aybee Teeyem
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