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You can have multiple modems attached to a DGE. For each modem that's attached to the DGE, add a modem-config section to the DGE's <TRAVERSE_HOME>/etc/emerald.xml file. If multiple modems are configured, they are used in the order specified by their device priority parameters. Tthe lower the number, the higher the priority. For each modem, set the following parameters.
Parameter |
Description |
sender id |
The phone number used to identify this modem when sending a page. You can set it to any phone number representing this DGE. |
device priority |
This modem's priority with respect to other modems attached to the DGE. The lower the value of this parameter, the higher the modem's priority. When sending a page, Traverse uses the highest-priority modem that is available. |
port |
The port through which this modem communicates. UNIX: Enter a port in the format Windows: Use the format COMn where n is the number of the COM port. |
speed |
The modem's transmission speed, expressed in bits per second. |
parity |
The type of parity checking, if any, used by this modem. Possible values are even, odd, and none. |
databits |
The number of data bits transmitted in each series. Possible values are 7 and 8. |
stopbits |
The number of bits used to indicate the end of a byte. Possible values are 1, 1.5, and 2. |
Example of Modem Configuration in emerald.xml
<modem-config>
<sender id="3035557777"/>
<device priority="10">
<port>/dev/ttyS0</port> <!-- /dev/ttyS or COMn -->
<speed>9600</speed> <!-- bps -->
<parity>none</parity> <!-- none, odd, even -->
<databits>8</databits> <!-- 8, 7 -->
<stopbits>1</stopbits> <!-- 1, 1.5, 2 -->
</device>
</modem-config>