Digi TransPort WR11 - At&C: Control the DCD Signal

Using the command-line interface AT commands
Digi TransPort® Routers User Guide
158
at&c: Control the DCD signal
The at&c command configures how the router controls the DCD signal to the terminal. Options
include:
n &C0 DCD is always On.
n &C1 DCD is On only when an ISDN connection has been established (Layer 2 is UP).
n &C2 DCD is always Off.
n &C3 DCD is normally On, but pulses low for a time in 10 millisecond routers, determined by S
register 10.