Cinterion
®
ENS22-E AT Command Set
3.3 AT&D
ENS22-E_ATC_V01.000
19/02/11
Page 51 of 189
3.3
AT&D Set Data Terminal Ready (DTR) Line Mode
determines how the UE responds if the DTR line is changed from ON to OFF state during data connection
( active Internet Services transparent access mode; refer to
).
offers full functionality only if the DTR0 line is enabled with
="GPIO/mode/DTR0","std". Otherwise
will respond "+CME ERROR: operation not allowed".
Syntax
Parameter Description
[0]
UE ignores status of the DTR line.
1
ON->OFF on DTR: Change to command mode while retaining the data con-
nection.
2
(&F)
ON->OFF on DTR: The behaviour is like
1.
Exec Command
AT&D
]
Response(s)
OK
PIN Last
Reference(s)
-
-
V.250
<value>
(num)(&V)(&W)