Chapter 4 – Troubleshooting and Frequently Asked Questions
Multi-Tech Systems, Inc. MultiModem CDMA Wireless Modem User Guide
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How does faxing work?
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The CDMA modems only support Class 2.0 Group 3 faxing.
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Need fax services setup on the account.
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Need fax software that supports the modem; e.g., WinFax Pro v10.0.
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Need to set ‘AT+CICB=1’ for modem to answer in fax mode.
When I set the S0 command, store it with &W; then send “ATZ” to the modem, the command goes back to
the default of 0?
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This is a bug in the modem. S0 will store just fine, as long as “ATZ” doesn’t get sent to the modem.
After I set the E and &D commands followed by &W, it looks to be stored okay, but as soon as I recycle
power on the unit the E and &D commands get set back to default of E1 and &D2.
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This is a bug in the modem. These commands will not store correctly. If modems are powered back up and
an “ATZ” is sent to the modem, then &D and E will load to your stored settings correctly.
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Firmware versions 210 and above fixes the storage or the E command.
After I set the Q, V, and &S commands followed by &W, if I recycle power or send ATZ to the modem the
settings will get set back to default.
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Bug in the modem. These commands will not store.
What is the max supported serial baud rate?
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230,400 bps is the max.
