Perle IOLAN + Rack User And Administration Manual page 156

Making a Call using Vmodem in Dial on DTR Mode
Using Vmodem in Dial on DTR mode will cause the host IP address and remote TCP port number to be
called automatically on detection of the DTR signal being high.
1. Raising DTR (connected to DSR on the IOLAN Vmodem port) will make a connection to the pre-
configured remote IOLAN unit.
Disconnecting a Call in Vmodem Dial on DTR Mode
1. Dropping DTR (connected to DSR on the IOLAN Vmodem port) will cause a disconnection, typing
+++ATH will produce the same result.
Setting/Modifying up Vmodem responses
The default responses for failure/success of a connection, may be customized.
To configure the Vmodem responses, proceed as follows;
1. Login to your IOLAN unit using either serial link or telnet as required.
2. Within the CONNECTIONS MENU now displayed press the Enter key and select;.
Commands > Admin mode and press the Enter key.
ADMINISTRATION MENU > Password and press the Enter key.
When prompted, enter the password and press the Enter key.
The ADMNINISTRATION MENU is now updated to show additional features available in
administration mode only.
3. In the updated ADMINISTRATION MENU, select:
Access and press the Enter key.
Access > Vmodem and press the Enter key.
4. In the VMODEM SETUP screen now displayed, set the following fields if required;
Success Indication String:
Sent to the device when a connection succeeds.
If no string is entered, then the string "CONNECT" will be displayed with the connecting speed, for
instance "CONNECT 9600".
Failure Indication String:
Sent to the device when a connection fails.
If no string is entered, then the string "NO CARRIER" will be displayed.
Suppress Result Codes (Yes/No):
If set to no, connection success/failure indication strings are sent to the connected device, otherwise
these indications are suppressed.
Result Code Style (Verbose/Numeric):
If set to Verbose, then string result codes are sent to the connected device.
If set to Numeric, then the following characters are sent to the connected device:
'1' Successfully Connected
'2' Failed to Connect
'4' Error