Table22. Port 1 settings
Field What you enter
Initialization string Type the initialization string that will be used for the specified modem. A default string is
provided (ATE0). Do not change this string unless your dial-out functions are not working
properly.
Caller ID string Type the initialization string that will be used to get caller ID information from the modem.
Factory settings string Type the initialization string that returns the modem to its factory settings when the modem is
initialized. The default is AT&F0.
Escape guard (1 -
250 10ms Intervals)
Type the length of time before and after the escape string is issued to the modem. This value
is measured in 10 millisecond intervals. The default value is 1 second.
Escape string Type the initialization string that returns the modem to command mode when it is currently
talking to another modem. The default is +++.
Dial prefix string Type the initialization string that is used before the number to be dialed. The default is ATDT.
Dial postfix string Type the initialization string that is used after the number is dialed to tell the modem to stop
dialing. The default is ^M.
Auto answer Type the initialization string that is used to tell the modem to answer the phone when it rings.
The default is to answer after two rings or ATS0=1.
Auto answer stop Type the initialization string that is used to tell the modem to stop answering the phone
automatically when it rings. The default is ATS0=0.
Modem query Typethe initialization string that is used to find out if the modem is attached. The default is
AT.
Hangup string Type the initialization string that will be used to instruct the modem to disconnect. A default
string is provided (ATH0). Do not change this string unless your dial out functions are not
working properly.
10. For an xSeries 330 server: To configure the second serial port, press F3 to
return to the Settings window. Select Serial Port 2 and complete the
information as described for serial port 1.
Initialization-string guidelines
If you need to provide a new initialization string, refer to the documentation that
came with your modem. Your initialization string must contain commands that
configure your modem as follows:
vCommand echoing OFF
vOnline character echoing OFF
vResult codes ENABLED
vVerbal result codes ENABLED
vAll codes and connect messages with BUSY and DT detection
vProtocol identifiers added — LAPM/MNP/NONE V42bis/MNP5
vNormal CD operations
vDTR ON-OFF hang-up, disable AA and return to command mode
vCTS hardware flow control
vRTS control of receive data to computer
vQueued and nondestructive break, no escape state
Note: The abbreviations in these commands have the following meanings:
AA auto answer
CD carrier detect
CTS clear to send
DT data transfer
DTR data terminal ready
LAPM link access protocol for modems
86 Remote Supervisor Adapter: User’s Guide