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For all of those that wine about modems is it a network issue or truely a modem issue. Mouse over to Zoom – Click to enlarge. There was a definite improvement in stability after this update, but the ‘s have still had their share of problems. The Com21 on the other hand, will just sit there with blinking lights cycling over and over again trying to contact the dhcp server. I say its a network issue could be wrong but just my opinion. Retrieved August 20,

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Please enter a valid ZIP Code. For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab. The idea of this module slot was doxpport a cable modem network would also offer a telephone service.

Com21 – Wikipedia

Installing the Cable Modem Place your DOXport cable modem in an area that will not block any of its ventilation holes. Bach Premium Member join: Comments to this Manuals Your Name. All you need to do is provide them with the Make and the Model from this listing OR. In the early models of the ComControllers, network modules offered two 10BaseT interfaces. Learn More – opens in a new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc.


UL, 20 UL, 20 ventilation, 2 Windows, 9 winipcfg. Alternatively, if you still need advice on this item, please drop us a line and we will reply. My set up works fine. An item that has been used previously.

Com21 had offices in 13 countries.

The only issue that I heard about com21’s is that it’s no compatible with a linksys router. If you call the Techthey have a recorded message saying all of the Com21’s are dying. I always get those two modems confused. Have one to sell?

Will this device work for me? For additional dlxport, see the Global Shipping Program terms and conditions – opens in a new window or tab This amount includes applicable customs duties, taxes, brokerage and other fees.

The networks using the Com21 system passed dpxport million households worldwide. Later smaller models of the ComPort modems didn’t provide for a telephone module.

COM 21 DOXport 1110 User Manual

The management module offered a single Ethernet interface to an out of band management network. After a while, the 10 Mbit Ethernet interfaces didn’t offer sufficient bandwidth, as the offered speeds required faster network interconnection. Most Active Forum Topics this week To print the manual completely, please, download it. Com21 was an early pioneer in developing cable modem networks in the era before the standard DOCSIS was introduced for Internet access via cable television networks.


Install Usb Driver The computer will display the device driver it found. Got it, continue to print. Currently I have a RCA modem connected doxporr a linksys router and it works like a charm. It really sounds like your router is setup wrong, since the computer will connect to the modem correctly without it. Denial on accepting this device on their system for any reason doesn’t make device defective. What is the Condition of the item? All ComPort modems offered two interfaces: If I remember correctly I thought it was the com21 modems, but it may have been the 3com modems that cm21 some issues with linksys routers.

I live just north of Harrisburg. Avoid any frustration, clm21 your service provider and ask them “Will they accept using this device on their network if purchased from a retailer”.