ZyXEL U-336R User Guide - Page 151

Answer Problems

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Solutions 1. Make sure the DTR LED is ON. If it is OFF, make sure your communications software is using the same COM port as your modem. 2. Neither your modem nor your communications software is configured to echo characters. Use the E1 command to enable modem echo, or turn on your software program's Echo (or duplex) feature. Problem Each character you type appears twice on your computer screen. Solution Both your modem and your communications software are echoing characters to your screen. Use the E0 command to disable modem echo, or turn off your software program's echo (or duplex) feature. Answer Problems Problem Your modem does not auto-answer incoming calls. Solutions 1. Make sure the supplied telephone cable is connected to your modem's LINE jack and not the PHONE jack. 2. Your modem may not be set up for auto-answer. With the modem in command state, type ATS0=1 and press Enter to have the modem answer on the first incoming ring To auto-answer after a specific number of rings, replace 1 with a value up to 255. Do not assign a value of 0, which turns off auto-answer, unless your software can respond to the modem's RING result codes. Diagnostics & Troubleshooting 137

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Diagnostics & Troubleshooting
137
Solutions
1.
Make sure the DTR LED is ON. If it is OFF, make sure your
communications software is using the same COM port as your
modem.
2.
Neither your modem nor your communications software is
configured to echo characters. Use the E1 command to enable
modem echo, or turn on your software program’s Echo (or duplex)
feature.
Problem
Each character you type appears twice on your computer screen.
Solution
Both your modem and your communications software are echoing
characters to your screen. Use the E0 command to disable modem
echo, or turn off your software program’s echo (or duplex) feature.
Answer Problems
Problem
Your modem does not auto-answer incoming calls.
Solutions
1.
Make sure the supplied telephone cable is connected to your
modem’s LINE jack and not the PHONE jack.
2.
Your modem may not be set up for auto-answer. With the modem
in command state, type ATS0=1 and press Enter to have the
modem answer on the first incoming ring To auto-answer after a
specific number of rings, replace 1 with a value up to 255. Do not
assign a value of 0, which turns off auto-answer, unless your
software can respond to the modem’s RING result codes.