Black Box 3600 Manuel D’Utilisation
Status Registers
Modem 3600
10-11
DTR State Recognition S25
The S25 register specifies the amount of time (0-255) in 0.01 second
(10 ms) increments that DTR must stay high or low in order to be
recognized as such. The default value is 5 (0.05 second).
(10 ms) increments that DTR must stay high or low in order to be
recognized as such. The default value is 5 (0.05 second).
RTS/CTS Delay S26
The S26 register specifies the amount of time (0-255) in 0.01 second
(10 ms) increments between the RTS signal and the CTS signal. The
default value is 0.
(10 ms) increments between the RTS signal and the CTS signal. The
default value is 0.
Bit Mapped S27
Lookback Timer S28
The S28 register specifies the amount of time in 1.0 minute increments
that the modem will remain in dial backup mode before retrying leased
line mode. A zero will disable automatic lookback to leased line. The
default value is 15 minutes.
that the modem will remain in dial backup mode before retrying leased
line mode. A zero will disable automatic lookback to leased line. The
default value is 15 minutes.
Bit
Value
Command Description
1, 0
00
01
10
11
01
10
11
&M
&M1
&M2
&M3
&M1
&M2
&M3
Async
Sync data / async dial
Sync data / dial through DTR
Sync data / manual dial
Sync data / async dial
Sync data / dial through DTR
Sync data / manual dial
2
0
1
1
&L
&L1
and
&L2
Dial-up line
Leased line
Leased line
3
--
--
Reserved
5, 4
00
01
10
11
01
10
11
&X
&X1
&X2
--
&X1
&X2
--
Internal clock
External clock
Receive clock
Not used
External clock
Receive clock
Not used
6
1
0
0
--
Enable async DTR dialer
Disable async DTR dialer
Disable async DTR dialer
7
--
--
Reserved
Bit
Value
Command Description
7- 0 0-255
--
Time in 1 minute increments (0=disabled)