Digicom PALLADIO ISDN, User Manual

Page: 44 / 65

7.6
PALLADIO ISDN AT Command Set
&K Flow control
Define the flow control options
&K0 NO flow control.
&K3 Hardware RTS/CTS flow control
&K4 Bi-directional software XON/XOFF (ISDN modem —>
Computer and Computer —> ISDN modem) flow control. The
ISDN modem doesn’t transmit to the remote the XON/XOFF
chars received from the Computer.
&K8 Unidirectional software XON/XOFF (ISDN modem —>
Computer) flow control. The ISDN modem doesn’t recognize
the XON/XOFF chars received from the Computer
&K12 Bi-directional software XON/XOFF (ISDN modem —>
Computer and Computer —> ISDN modem) flow control. The
ISDN modem transmit to the remote the XON/XOFF chars
received from the Computer.
&K16 Software XON/XOFF ISDN modem <—> ISDN modem flow
control. (V.110 only). In this mode there is flow control between
local and remote ISDN modem.There is no flow control on the
Computer interface.
&K20 Software XON/XOFF Computer <—> ISDN modem and ISDN
modem <—> ISDN modem flow control. (V.110 only).
Default= &K3
&S C107 (DSR) control
Establish how the C107 (DSR) will operate.
&S0 C107 (DSR) is always ON.
&S1 C107 (DSR) function as standard; DSR is ON when the
connection is established and will be OFF when ISDN modem
hangs-up.
Default=&S0
&T Enable or disable Loop test
Allow to select the of loop test.
&T0 Terminates test modes
&T1 Enable local loopback (loop 3).
&T3 Enable on the B1 channel the local digital loopback (V.110 only).
To activate this test, follow these steps:
- Make a connection with a remote ISDN modem
- Go in Escape mode with “+++” command
- Send the AT&T3 loop test
- All the data trasmitted from the remote ISDN modem, are
resended on the line to the local ISDN modem
Default= n/a