Use the command-line interface AT commands
Digi TransPort WR Routers User Guide 115
H command: Hang-up
The ATH command terminates an ISDN call. If the router is still on-line, you must first switch back to
command mode by entering the escape sequence, such as +++, wait 1 second, then enter an AT
command or simply AT<CR>.
After entering the ATH command, the call is disconnected and the NO CARRIER result is issued.
Z command: Reset
The ATZ command loads one of the stored profiles for the active ASY port. The command is issued in
the format ATZn where n is the number (0 or 1) of the ASY port profile you wish to load.
&C command: DCD control
The AT&C command configures how the router controls the DCD signal to the terminal. Options
include:
▪ &C0 DCD is always On.
▪ &C1 DCD is On only when an ISDN connection has been established (Layer 2 is UP).
▪ &C2 DCD is always Off.
▪ &C3 DCD is normally On but pulses low for a time in 10 msec routers determined by S register 10.
&F command: Load factory settings
The AT&F command loads a predefined default set of S-register and AT command settings (the
default profile). These settings are:
E1, V1, &C1, &K1, &D2, S0=0, S2=43
All other values are set to 0.
&R command: CTS control
The AT&R command configures how the router controls the CTS signal to the terminal. There are
three options:
▪ &R0 CTS is always On.
▪ &R1 CTS follows RTS. The delay between RTS changing and CTS changing is set in AT register 56
in multiples of 10msec.
▪ &R2 CTS is always Off.
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