four-wire

O'BRIEN: Using a four-wire box with speaker and microphone box attached to a phone line, CNN was able to send out audio reports even as virtually every other phone in Baghdad was knocked out of service.

CNN Transcript Jun 3, 2005 2005

So this evening, the sisters and I headed out to look at the fences, and map exactly where the woven-wire ends, and where the more benevolent four-wire fences begin.

grouse Diary Entry grouse 2005

To mitigate the 15 miles of new fence, the outfit has committed to ripping out roughly 18 miles of the old woven wire, and replacing it with more antelope-friendly three and four-wire fences.

grouse Diary Entry grouse 2005

WIENER: Well, I would certainly try to put in a four-wire, which I know CNN is trying to do.

CNN Transcript Dec 6, 2002 2002

Well, the four-wire, and I'm not a technical person, as you know, Sheila, but it's basically a phone -- it works on phone technology, it's a bit more complicated, but it bypasses normal circuitry and establishes a line of communication that's open at all times.

CNN Transcript Dec 6, 2002 2002

The key to CNN's success the last time out was this little device called a four-wire, right?

CNN Transcript Dec 6, 2002 2002

MACVICAR: I mean, Robert, if -- you're the person who, the last time, realized what four-wire technology could do for you and, more particularly, do for CNN at that moment, what would you do this time?

CNN Transcript Dec 6, 2002 2002

This time around, it will be very different, whether we can get a four-wire box or a satellite dishes in there, whether they will work.

CNN Transcript Dec 6, 2002 2002

He was thinking of using the same type of telephone lines that he and Marill had used for their small TX-2 experiment: full-duplex, four-wire lines.

Where Wizards Stay Up Late Katie Hafner 2001

The link between the two computers was made using a special Western Union four-wire full-duplex service full duplex provides simultaneous transmission in both directions between two points.

Where Wizards Stay Up Late Katie Hafner 2001