Multi-tech-systems MTCBA-G-F2 Manual de usuario Pagina 40

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Troubleshooting
40
Troubleshooting
Situation A: The modem does not answer
through the serial link
If the Wireless MultiModem does not answer through the
serial 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
modem
returns …
Then ask … Action
Is the modem
powered correctly?
Provide a power supply
in the range of 5 to
32Vdc.
(nothing)
Is the serial cable
properly connected
to the modem and
PC sockets?
Connect cable per step 5
of the
”Electrical
Installation and
Configuration” procedure
on page 33
. Verify cable
pinout per”RS232 15-Pin
Connector Pinout” table,
esp Rx & Tx connections.
Verify
reception &
transmission.
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