Chapter 4 - Troubleshooting And Frequently Asked Questions; Troubleshooting Examples; Situation A: The Modem Does Not Respond Through The Serial Link - Multitech MTCBA-C-U User Manual

Cdma usb wireless modem
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Chapter 4 – Troubleshooting and
Frequently Asked Questions

Troubleshooting Examples

Situation A: The modem does not respond through the USB link
If the wireless MultiModem does not respond through the USB link upon an attempted transmission of data or voice
signals, see the table below for possible causes and solutions.
Solutions for 'no connection through serial link' situation
If the
Then ask ...
modem
returns ...
Is the communication
program properly
configured?
Is another program
interfering with the
communication
program?
Multi-Tech Systems, Inc. MultiModem CDMA USB Wireless Modem User Guide
Chapter 4 – Troubleshooting and Frequently Asked Questions
Action
In communications program, verify that modem
parameters have been set to the values shown here:
Data bits = 8
Parity = none
Stop Bits = 1
Baud = 115200 bps
Close any such application program.
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