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NPort IA5150/5250 Series User’s Manual Web Console Configuration
5-29
16 AT&D Serial port DTR control
AT&D0=recognize DTE always
ready
AT&D1, AT&D2=reply DTE when
DTR On (default)
17 AT&F Restore manufacturer’s settings
18 AT&G Select guard time reply “OK” only
19 AT&R Serial port RTS option command reply “OK” only
20 AT&S Serial port DSR control reply “OK” only
21 AT&V View settings
22 AT&W Write current settings to flash for
next boot up
S Registers
No. S Register
Description & default value Remarks
1 S0
Ring to auto-answer (default=0)
2 S1
Ring counter (always=0)
no action applied
3 S2
Escape code character (default=43
ASCII “+”)
4 S3 Return character (default=13 ASCII)
5 S4
Line feed character (default=10
ASCII)
6 S5
Backspace character (default= 8
ASCII)
7 S6
Wait time for dial tone (always=2,
unit=sec)
no action applied
8 S7
Wait time for carrier (default=3,
unit=sec)
9 S8
Pause time for dial delay (always=2,
unit=sec)
no action applied
10 S9
Carrier detect response time
(always=6, unit 1/10 sec)
no action applied
11 S10
Delay for hang up after carrier
(always=14, unit 1/10 sec)
no action applied
12 S11
DTMF duration and spacing
(always=100 ms)
no action applied
13 S12
Escape code guard time
(default=50, unit 1/50 sec)
to control the idle time for “+++”
TCP alive check time
Setting Factory Default Necessity
0 to 99 min 7 min Optional
0 min: TCP connection is not closed due to an idle TCP connection.
1 to 99 min: NPort IA5150/5250 automatically closes the TCP connection if there is no TCP
activity for the given time.