ZyXEL U-336R User Guide - Page 153

Connection Problems

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Solutions 1. Your modem and communications software may be configured for different flow control methods. Be sure your modem and software are both using hardware (RTS/CTS) flow control or software (XON/XOFF) flow control. 2. To verify that your modem and communications software are using the same flow control method, type AT&T8 and press the Enter key with your modem in the command state. You should see a smooth "stair-stepping" ASCII test pattern flowing diagonally across your screen. Connection Problems Problem Your modem disconnects while communicating with a remote system. Solutions 1. The remote system may have hung up. Type ATI2 and press Enter to view the link status report, which will include the reason for the disconnect. For information on understanding this report, refer to your ZyXEL Modem Reference Manual. 2. You may have subscribed to Call Waiting and received an incoming call that interrupted your data connection. See your telephone directory for information on disabling Call Waiting. Diagnostics & Troubleshooting 139

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Diagnostics & Troubleshooting
139
Solutions
1.
Your modem and communications software may be configured for
different flow control methods. Be sure your modem and software
are both using hardware (RTS/CTS) flow control or software
(XON/XOFF) flow control.
2.
To verify that your modem and communications software are using
the same flow control method, type AT&T8 and press the Enter
key with your modem in the command state. You should see a
smooth “stair-stepping” ASCII test pattern flowing diagonally
across your screen.
Connection Problems
Problem
Your modem disconnects while communicating with a remote system.
Solutions
1.
The remote system may have hung up. Type ATI2 and press Enter
to view the link status report, which will include the reason for the
disconnect. For information on understanding this report, refer to
your ZyXEL Modem Reference Manual.
2.
You may have subscribed to Call Waiting and received an incoming
call that interrupted your data connection. See your telephone
directory for information on disabling Call Waiting.