Courier™ I-modem™
Command Reference Addendum
External and Internal Version
Congratulations! You have just purchased a U.S. Robotics Courier
I-modem with x2. x2 is a groundbreaking new technology that allows your
I-modem to:
Use Server Mode x2 and ISDN to send data to x2 client modems at
speeds up to 56 kbps.
Use Symmetric Mode x2 to connect at speeds of 56 or 64 kbps.
Use ISDN to connect at speeds up to 128 kbps.
Information about x2
To obtain the latest information about x2, visit the U.S. Robotics Web Site
visit http://www.usr.com/x2