Help - Motorola - SURFboard DOCSIS 3.0

Good Morning, I tried searching but could not find an answer to my questions. I purchased the Motorola - SURFboard DOCSIS 3.0 recently and have had problems with my internet connection ever since. Almost everyday about 12-1 AM it shuts down and reboots. Will do this same things at other times during the day. Yesterday, I had flushed my DNS settings - first time ever. I find the page load times to take much longer than before. I switched out the cable company's provided modem (2005 technology) for my own (save $5 a month) - I am now regretting this change. Any ideas what might be going on? I don't want to return it - if I can repair it on my own. Thanks in advance - any help is appreciated. FH

The only time when your modem/router would be involved as far as streaming goes would be how fast your connection is compared to how strong your wifi connection is.
A wifi signal with one bar may not be able to transmit the signal at all angles that well everytime the signal bounces back or however that works. At least that's the only logical thing I would think about.
As far as streaming being slow though, are you using silverlight or an adobe player of some kind? I have fixed so many machines where adobe player had hardware acceleration turned on which would destroy a persons streaming ability.
Another option would be to try to reset the settings for your browser. If you can supply the browser I can gladly supply information on how to do this.
I am not affiliated with Best Buy nor have I ever been employed by Best Buy. All of my thoughts and posts are of my own opinion and personal experience.
I may not always know the right answer, but I will always tell you what I do know. I also do free computer analysis and consultation via private message.

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Motorola - SURFboard DOCSIS 3.0 High-Speed Cable Modem - Silver

can you use a Motorola - SURFboard DOCSIS 3.0 High-Speed Cable Modem - Silver and a router instead of the modem/router that they provide?

I'm not sure if you're asking about DSL or FiOS service.
DSL service requires a DSL modem, not a DOCSIS modem.
FiOS does not use modems, just routers. FiOS routers do have a MoCA (coax) port to talk to the ONT and set-top-boxes. You can use non-Verizon routers with FiOS, but it requires an Ethernet connection from the ONT instead of MoCA. If FiOS TV is used, a Verizon router must be in the mix.
So, the short answer is there is no Verizon service that uses DOCSIS. Cable-modems are not used with Verizon services.
Good Luck.
If a forum member gives an answer you like, give them the Kudos they deserve. If a member gives you the answer to your question, mark the answer as Accepted Solution so others can see the solution to the problem.

Having trouble "extending" Airport Express to DOCSIS Motorola Surfboard

In 30 minutes of searching this forum, it is clear Bob Timmons is the man when it comes to Airport Expresses.
I had ATT DSL connected to 3 airport expresses (A1264) for streaming music in smaller apartment.
I'm now in a bigger rental home and want to extend the network. After some tinkering, I can get the A1264 to "join my wireless" network but I can't get it to "extend." When I choose those settings, I get the blinking amber light - and it will not work.
I'm connecting to a Motorola Surfboard DOCSIS 3.0 cable modem. Can anyone help?
Thanks
Ron

If you are trying to extend the network wirelessly......Apple's extend a wireless network feature will only work with other Apple wireless routers.
To confirm, please see this excerpt from Apple's product literature on the AirPort Express:
Extend an existing Wi‑Fi network’s range.
If you already have a wireless network in your home and want to extend its range, AirPort Express can help. Just place it in range of your primary base station — an AirPort Extreme, AirPort Time Capsule, or another AirPort Express
http://www.apple.com/airport-express/
If you have a Motorola modem/router providing your wireless network, the AirPort Express will not be able to extend that signal.

How do I get a Motorola SurfBoard SB6141 DOCSIS 3.0 Cable Modem to work with my AirPort?

I just bought a Motorola SurfBoard SB6141 DOCSIS 3.0 Cable Modem to replace the one Comcast was renting to me. My configuration is as follows:
Modem is wired via ethernet to the AirPort Time Capsule
Time capsule is wired to an iMac, a PC, and an Xbox 360
Time capsule is wireless broadcasting to connect various peripherals around the house (iPhones, consoles, printer, Macbook, etc)
Anyway, while the modem works great plugged straight into the iMac, we completely lose our internet connection (wired and wireless) if I plug the AirPort Time capsule into it.
Does anyone know if there is a conflict that I can disable on one of these devices? The airport utility was warning of a double NAT.

Did you power off the SB6141 for 20min before you change over from iMac to the Time Capsule.. this is required. (Test at 5min if you want).
Make sure the TC is set to dhcp on the internet tab.. and DHCP and NAT on the network tab.
Power up the modem.. wait a couple of min for it to settle down then plug in the TC.
No luck try longer times.. or ring comcast and ask them to reset the IP.
If your TC is tall one or running 7.6.4 firmware.. another problem may arise where the 6141 does not connect properly.. there is a problem between this modem in particular and the apple routers.
You can try using a crossover cable instead of ordinary patch cable or use a small 10/100 switch between them.. that will sometimes help.

Can I use my airport express to establish wifi with Motorola SB6120 SURFboard DOCSIS cable modem?

Can I use my airport express to establish wifi connection with a Motorola SN6120 DOCSIS 3.0 cable modem?

Yes, the AEx goes into router mode.. plug in via ethernet to the modem port.. you then need to power cycle the cable modem.. it might need to be off for 20min or more before it will lose the previous connection and start afresh with the Express.

Want to use Airport Express As A Wifi Extender/Repeater for Motorola Surfboard sbg6580 NO CABLES...

I am trying to simply extend my wifi network with Airport Express N. I am trying get my Motorola Surfboard sbg6580 to work with AEn, MOT sbg6580 has WDS and apple.com says "it does work with other routers" I guess I cant figure this out... I do not want to run 50 ft of ethernet cable and drill holes in floors, just simply extend network with AEn as repeater or extender. Is this possible? If so how?

Suggest that you check with the TW cable folks to see if they have a device that will do what you want.
If they cannot help, it is always best to use products from the same manufacturer to insure compatibility in applications like this, so if you have the make of your modem or router handy, you might check on the manufacturer's website to see if they offer what you need.

IChat, Airport and Motorola surfboard modem

Hi all,
I cannot get iChat to work with a particular buddy after moving to another city with another Cable ISP.
I use an airport extreme basestation and have a motorola surfboard modem SB5120. The airport extreme is configured to connect to the internet using DHCP and both my iMac and iBook are configured to connect to the base station using DHCP. I've connected to this buddy succesfully every time on my old network using these settings.
What I tried...
I cannot work with static IP's because my ISP only works with dynamic IP's.
I've deleted com.apple.ichat.plist... No effect!
The motorola modem is not configurable in its html interface. My ISP however assures me it doesn't block ports and lets all traffic come through.
Quicktime streaming: automatic... iChat: no bandwidth limit
However...
Configuring the airport base station to not hand out IP adresses, is a FIX, but off course the iBook then cannot connect to the internet.
AND... when i DO configure it to hand out IP adresses and try to connect to several testadresses posted elsewhere in this forum (not just the Apple ones) i connect every time.
I don't know what is wrong, but it has me glued to my iMac for a week trying to come up with a solution. I've even combo updated my iMac with all firewire devices disconnected. I'm DESPERATE. .
Thanks in advance for your highly anticipated advice.
Greetz,
Rob

I have a simular modem and set-up.
The set-up is as follows:
Cable Modem <--> AEBS <--> Switch <--> Mac/Vonage/other pc/AE
I have all of my Mac/PC set to a static IP address (You configure each MAC/PC with a different IP address 192.168.1.100, 192.168.1.101, etc) Your DNS servers are required anytime you go with a static IP address. You can find out your DNS server by launching the Airport Admin Utility and clicking on network. The numbers will be greyed out and not in the normal white box that is listed.
Router should be 192.168.1.1
That should get you on the internet.
Next while your in Airport Admin, under internet confirm the following:
Connect using: ethernet
Configure: Using DHCP
IP address: (should be listed)
Subnet mask (should be listed)
Router address: (should be listed)
Next, click network and distribute ip addresses should be checked along with share a single ip address (using dhcp & nat) using the 192.168.1.1 addressing.
Next, under port mapping - map the following ports to your primary machines ip number (mine is 192.168.1.100)
5060,5190,5297,5298,5353,5678 as public ip address 192.168.1.100 and private as 192.168.1.100
If all that checks out, you have the same setting as I do with a very simular modem and I can connect with both PC and MAC users with no issues.
Does this help?
P.S. If you setup is the same as me and you still have issues, I had a friend that it was necesarry for him to call his local ISP and they made a change to his IP addressing-then all worked fine.

Recently upgraded my service with Time Warner Cable to Extreme speed and got a new Motorola Surfboard SBG6580, now I get Error -50 constantly. Anyone else have this issue?

I just upgraded my service to Extreme with Time Warner Cable and got the motorola surfboard sbg6580 modem. Now when I try to dowload any videos or TV shows on iTunes, I get an Error -50 mid download. Anyone have a solution for this? I am using a PC, not a Mac computer.

I don't want a used replacement phone when I just bought mine. I have had your "like new" replacements before for my basic phone and had a ton of issues straight out of the box, which is why I don't want one when my phone is so new and I have had issues since day 1! Not once on my several calls to tech support, did anyone tell me to go exchange it the first 2 weeks. That is just one reason they want to send me a replacement. Another is the USB does not work properly, I can't use it to do anything but charge the phone- and my husband has the same phone so I know is not the cord or the computer because his works perfectly. The connection was sporadic so I just installed a new SIM card. So far that has helped with dropping 4g all the time. I have never been able to back up my contacts, spent 2 hours on the phone with tech support the first night I got it just trying to sync the contacts from my old phone. It never worked, I had to hand input the numbers. If Verizon won't do right by be and give me a new phone, I at least would like them to get mine working like it should have when I bought it.

Macbook pro 2010 slow wireless with motorola surfboard sb901

anyone using a motorola surfboard sb901? i recently purchased this cable modem / router combo (all in one) and seems like my internet has been lagging since. i've tried changing wireless channels, disable/changing wireless security settings, resetting them to factory, etc. no dice.
i brough my macbook pro to my friends house and the internet was blazing along.
pretty sure its a modem issue, but wondering if theres a setting that someone knows that works for them. thanks

i also have a macbook pro 13 inch that i nought inn oct. 2009 i didn't have problems with wireless internet and i was using a motorola surfboard modem and an old g rated link sys router. i now have upgraded my router and modem and my internet it is super slow. but the weird thing is it is only slow on the mac.( i also have a hp from 2007 with no problems with internet) i am now using n rated belkin router with dual channels. i tried changing the channels on the router but this also hasn't helped. im stuck and tried to download onyx but it told me it doesn't work with my operating system. (i have the newest one available) i am going to try changing back to the original router. i will post another post if this helps or not. thanks. if anyone has any advice, please send it to me,
thanks.

Linksys WTRG54 won't work with Motorola Surfboard

I just bought this Linksys WRT54G, and it won't connect to my Motorola Surfboard modem. I can connect to the router wirelessly from my Macbook, I just can't get online. I'm sure it's the router's problem because I can't even log in to the modem when I'm connected to the router. I checked all my connections repeatedly, tried updating the firmware, and many many power cycles. Also did a lot of googling and tried other solutions. Are they just not compatible with each other?
One thing is though, the very first time I hooked it up, it was working. Then I power cycled it and it won't work now.

Have you configured the Linksys to clone the MAC address on record with your ISP? Sometimes this is required by the ISP. I use Comcast, a Moto 6120, and a D-Link router, and had to do this.
If this is not relevant, perhaps you can provide the hardware version of your Linksys WRT54G, model of Moto Surfboard, and your ISP and general geographic location, in hopes someone can help.

Motorola SURFboard to AEBSg to AXn. Any known incompatibilities?

My home network is Time Warner Cable with ISP supplied Motorola SURFboard model SB5101 to Airport Extreme Base Station 802.11g via ethernet. I would like to add an Airport Express wirlessly to that setup. The AX I am looking at is Airport Extreme 802.11n originally released in March 2008. Apple is offereing this in the reburb store online. Are there any known incompatiblilities?
My networking "skills" are very basic .I would like to limit variables to user error if possible. Thanks for any help.

Then you want the AX to 'extend" the wireless network...since it does not provide any additional wireless coverage when it is configured to "join" a wireless network.
This would mean that both the AirPort Extreme and AirPort Express would need to be used in what Apple calls a WDS setup. I've added the link for Apple's instructions on how to do this below.
But, a note of caution.
This is a difficult configuration, even for experienced networking folks. I'm not saying that you won't be able to do this, but it is very easy to make a mistake and almost impossible to recover without having to reset the AirPorts back to factory default settings and then starting all over again.
http://support.apple.com/kb/HT4262
Follow the instructions in the link for using AirPort Utility 5.5.2 or later

Brand New Airport Extreme and Motorola Surfboard 5101 Connection Dropping

I'm going to add to the chorus and point out that my brand spanking new Airport Extreme continually loses internet connectivity with my Motorola Surfboard 5101 modem (this is used on a Time Warner connection).
Disconnecting the Airport and connecting directly to the modem via ethernet cable works flawlessly as does using my old Linksys router. With the Airport Extreme it will work for a number of hours and then drop the internet connection. Airport Utility shows the Airport Extreme as having a green light while the internet connection has the amber "disconnected" light, but, as I said, cutting the Airport out of the connection leaves my internet connection stable and flawless so it seems the problem is either the Airport or the combination of the two.
So, is the only solution to replace the cable modem with one that works with the Airport? If so, how do I know what will work and what won't?
Should I return the Airport? Get a completely different 802.11ac capable router (which one)? Perhaps there is some arcae setting buried deep in the bowels of one device or the other that needs setting?

It's ok, I got. You have to put in password "BT" Never had to do that before, but it works....maybe this helps someone else.

Motorola Surfboard SBG6590 installation cd says "Problem installing Adobe Air"

When I attempt to install the software which came on the installation cd for my Motorola Surfboard SBG6590, it gives the following message: "Problem installing Adobe Air. There was a problem installing Adobe Air". After I saw this message the first time, I went to Adobe's site and downloaded air from a browser and it said that air was successfully installed. When I reattempted to install the cd, it gave the same failure message about "Problem installing Adobe Air". I tried uninstalling Adobe Air and reinstalling and I still get the same problem. I have a mac OS x version 10.5.8. The version of air that I downloaded is 2.5.1 for MacOS.

The script gives the following error: "AppleScript Error. Finder got an error: A privilege violation occurred."
Script editor displays in the event log:
tell application "Finder"
do shell script "test -d /Applications/Adobe || mv /Applications/Adobe /Applications/Adobe-Backup > /dev/null 2>&1 &" with administrator privileges
"Finder got an error: A privilege violation occurred."
The installation script did not prompt for my administer password, so perhaps that could be the problem?
I am unable to rename or delete a file called /Applications/Adobe, because no such file exists. This is a folder on my machine containing Acrobat.
$ ls /Applications/Adobe*
/Applications/Adobe:
Acrobat.com.app Flash Player
/Applications/Adobe Reader 9:
Adobe Reader.app Icon? ReadMe.html
$ ls /Applications/Utilities/Adobe*
/Applications/Utilities/Adobe AIR Application Installer.app:
Contents
/Applications/Utilities/Adobe AIR Uninstaller.app:
Contents
/Applications/Utilities/Adobe Utilities.localized:
Adobe Updater6
I'm not sure why, but when I open the Console application, it busy waits and won't let me see any logs, so instead here is some relevant lines from my /var/log/system.log. Since it looks like my system cleans up this file every morning, I did a fresh uninstall of Adobe Air and reinstalled it just now:
Dec 15 11:34:42 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18202]: Runtime Installer begin with version 2.5.1.17750 on Mac OS 10.5.8 x86
Dec 15 11:34:42 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18202]: Commandline is: -psn_0_1560957
Dec 15 11:34:42 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18202]: Installed runtime (2.5.1.17750) located at /Library/Frameworks/Adobe AIR.framework
Dec 15 11:34:45 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18202]: Relaunching with elevation
Dec 15 11:34:45 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18202]: Launching subprocess with commandline /Applications/Utilities/Adobe AIR Uninstaller.app -eu
Dec 15 11:34:51 authexec[18205]: executing /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer
Dec 15 11:34:52 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18205]: Runtime Installer begin with version 2.5.1.17750 on Mac OS 10.5.8 x86
Dec 15 11:34:52 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18205]: Commandline is: -eu
Dec 15 11:34:52 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18205]: Installed runtime (2.5.1.17750) located at /Library/Frameworks/Adobe AIR.framework
Dec 15 11:34:52 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18205]: Starting runtime uninstall. Uninstalling runtime version 2.5.1.17750
Dec 15 11:35:04 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18205]: Runtime Installer end with exit code 0
Dec 15 11:35:04 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18202]: Elevated install completed
Dec 15 11:35:04 /Applications/Utilities/Adobe AIR Uninstaller.app/Contents/MacOS/Adobe AIR Installer[18202]: Runtime Installer end with exit code 0
Dec 15 11:36:04 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18215]: Runtime Installer begin with version 2.5.1.17750 on Mac OS 10.5.8 x86
Dec 15 11:36:05 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18215]: Commandline is: -psn_0_1581442
Dec 15 11:36:05 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18215]: No installed runtime detected
Dec 15 11:36:08 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18215]: Relaunching with elevation
Dec 15 11:36:08 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18215]: Launching subprocess with commandline /Volumes/Adobe AIR 1/Adobe AIR Installer.app -ei
Dec 15 11:36:14 authexec[18218]: executing /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer
Dec 15 11:36:15 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Runtime Installer begin with version 2.5.1.17750 on Mac OS 10.5.8 x86
Dec 15 11:36:15 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Commandline is: -ei
Dec 15 11:36:15 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: No installed runtime detected
Dec 15 11:36:15 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Starting silent runtime install. Installing runtime version 2.5.1.17750
Dec 15 11:36:58 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Registering /Applications/Utilities/Adobe AIR Application Installer.app/Contents/Info.plist
Dec 15 11:36:58 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Launching subprocess with commandline /usr/sbin/chown -hfRP root:wheel "/Library/Frameworks/Adobe AIR.framework
Dec 15 11:36:58 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Subprocess chown succeeded
Dec 15 11:36:58 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Launching subprocess with commandline /usr/sbin/chown -hfRP root:wheel "/Applications/Utilities/Adobe AIR Appli
cation Installer.app"
Dec 15 11:36:58 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Subprocess chown succeeded
Dec 15 11:36:58 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Launching subprocess with commandline /usr/sbin/chown -hfRP root:wheel "/Applications/Utilities/Adobe AIR Unins
taller.app"
Dec 15 11:36:58 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Subprocess chown succeeded
Dec 15 11:36:59 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18218]: Runtime Installer end with exit code 0
Dec 15 11:36:59 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18215]: Elevated install completed
Dec 15 11:37:43 /Volumes/Adobe AIR 1/Adobe AIR Installer.app/Contents/MacOS/Adobe AIR Installer[18215]: Launching subprocess with commandline /Library/Frameworks/Adobe AIR.framework/Versions/1.0/Resources/Adobe AIR

Airport Express not working with Motorola Surfboard Sb6141 and TWC

My 2012 Airport Express was working fine with my Motorola Surfboard Sb6141 and TWC until about a week ago when the signal started dropping constantly. I hard wired the modem to my computer and everything worked fine. I took the Airport Express to the Genius Bar and it is working fine. I have followed the instructions posted throughout this board to reset the AE to factory settings, then turn everything off for 1/2 hour, turn on just the modem, the the AE 15 minutes later and the computer 15 minutes after that, but to no avail. When I try to set up the AE using Airport Utility, it allows me to assign a name and password, but then the light goes to solid amber and I get "An unexpected error occurred. Try again." Any ideas?

I'm still struggling trying to get the SB6141 to stay connected with my Airport Extreme but it drops altogether every day or 2 but if you're looking for an alternative, I've heard the Netgear CMD31T works well with the airport.

Motorola Surfboard (combination modem and wireless router) plus Airport time Capsule - 2TB

I am reading all of the discussion posts regarding the new OS Lion and starting to become wary. Here is my pridicament:
I have 3 PS3 game consoles (2 are wirelessly connected to the Motorola Surfboard),
3 PC laptops (also wirelessly connected to the Motorola Surfboard)
My thoughts were to purchase the Airport Time Capsule with the new IMac and possibly set up a wired connection to the Motorola Surfboard with the Airport Time Capsule, then provide a wireless connection for all of the Apple products in my home as well as a back up file system. Mind you I have 3 IPhones, 2 IPads, and will be purchasing a new IMac with Retina Display and an HP - LaserJet Pro MFP M1217nfw Network-Ready Wireless Black-and-White All-In-One Printe.Will this be too much on one modem? and has anyone else even tried this type of configuration?
As smart as I think I am, I am hesitant on making this purchase, and sometimes I feel that sales reps at retail stores tend to be over confident in their knowledge of a wireless home system.
Any thoughts on this would be greatly appreciated.

Reaper64 wrote:
... Will this be too much on one modem?
Certainly not.
The limiting factor is likely to be your ISP's delivered speed. Whatever bandwidth you have will be shared among all the devices. If they're all streaming video at the same time, for example, one or more of them may become slow.
You don't need to purchase a Time Capsule simply because you're buying a new Mac. The iMac can join any network.
The Time Capsule can replace the router function of your existing combination modem / router, or it can join your network as either a wireless or wired client. If you want to use it for Time Machine backups, you should favor the latter. It can also create an additional wireless access point if you so choose. The Time Capsule is a very capable full-featured router but if you don't need a router or additional access point, then you can use any external HD for Time Machine backups. That would be a lot less expensive.
Lion has already been superseded by Mountain Lion. A new iMac will ship with Mountain Lion installed.
Only certain model MacBook Pros and iPads have a "retina display" - no iMacs.

Help - Motorola - SURFboard DOCSIS 3.0

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