Westermo GDW-11 - Manual (Page 251)

I/O commands – only in GDW-12 251 6615-2220
Connected Data 1 prio Line
Type
No Empty No CS Error, try to establish service
failed
No Empty Yes CS Error
No Number No CS Normal Transparent I/O over
Circuit switched line
No Number Yes CS Normal Transparent I/O over
Circuit switched line
Yes Empty No CS Use current connection for
I/O transfer.
The Empty data 1 will over-
ride priority. See NOTE
Yes Empty Yes CS Use current connection for
I/O transfer See NOTE
Yes Number No CS Due to that line is busy and
no priority set the modem
will retry connection accord-
ing to .
Yes Number Yes CS Disconnect and dial Number
Table 1 Dial and Transparent I/O connection types
CS = Circuit switched PSTN, ISDN or GSM
NOTE:
The existing data connection will be paused during transparent I/O transfer. The modem
will use the flow control specified by flow control command. If no flow control set DTE
data will be discarded during the Transparent I/O transfer. When the transparent I/O
transfer is terminated by timeout the connection will revert to data-mode and activate
CTS / sending XON.