User guide

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Chapter 5 - AT Commands
Default: null string
Description: Data DN/MSN 1 can be set to the same value as Data DN/MSN 2 and it can also
be set to the same value as Modem DN/MSN 1 and/or 2. A call accepted by Data DN/MSN 1
will be routed to TA port 1.
Usage: !N2=n
Function: Data DN/MSN 2
Values: n=25-character string
Default: null string
Description: Data DN/MSN 2 can be set to the same value as Data DN/MSN 1 and it can also
be set to the same value as Modem DN/MSN 1 and/or 2. A call accepted by Data DN/MSN 2
will be routed to TA port 2.
Usage: !DNn
Function: Disable Data DN/MSN n
Values: n=1 (disable Data DN/MSN 1),
n=2 (disable Data DN/MSN 2)
Default: All ports are enabled by default
Description: !DNn disables a Data DN/MSN which will effectively disable the associated TA
port from receiving any data calls. However, the port will still be able to originate data calls.
This is useful for applications where a specific port is for dial-out only.
Usage: !ENn
Function: Enable Data DN/MSN n
Values: n=1 (enable Data DN/MSN 1),
n=2 (enable Data DN/MSN 2)
Default: All ports are enabled by default
Description: !ENn enables a Data DN/MSN which will put it back in service for accepting and
originating data calls.
*!N1=n DN 1
Sets the Modem Directory Number /Multiple Subscriber Number (Modem DN/MSN) for
modem ports 1 and 2. TheModem DN/MSN is a number assigned to the BRI at subscription
time by the ISDN service provider. The Modem DN/MSN is a string of up to 25 characters;
valid characters are 0-9, the * character, and the # character. If used as an MSN, a subaddress
can be added to the number (if one is needed) by using the : character followed by the
subaddress number.”
*!N1=n sets the Modem DN/MSN for port 1
*!N2=n sets the Modem DN/MSN for port 2
Usage: *!N1=n
Function: Modem DN/MSN 1
Values: n=25-character string
Default: null string
Description: Modem DN/MSN 1 can be set to the same value as Modem DN/MSN 2 and it
can also be set to the same value as Data DN/MSN 1 and/or 2. A call accepted by Modem