Western Telematic SRM-100 User Manual
Page 49
Register
Range
Default
Function
S18
0 - 255
0
Test Timer. Test timer for &Tn loopback testing. Sets the length of time (in
seconds) the modem will wait before automatically timing out and
terminating the test. When set to 0, the timer is disabled, and the test must
be terminated by issuing an &T0 or H command.
S19
---
---
Not Used.
S20
---
---
Not Used.
S21
---
---
Bit Mapped Options.
Bit
Option
Val
Descrip
Cmd
0
Telephone Jack
0
RJ11
&J0
1
RJ12
&J1
1
Not Used
2
RTS/CTS
0
CTS/RTS
&R0
1
CTS always true
&R1
3,4
DTR
0
Ignore DTR
&D0
1
Modem to Cmd. State on
&D1
On-to-Off DTR transition.
2
Modem hangs-up on
&D2
On-to-Off DTR transition.
3
Init. state on On-to-Off
&D3
DTR transition.
5
DCD
0
Always On
&C0
1
Follows Carrier
&C1
6
Not Used
7
Long Space Disconnect
0
Disabled
Y0
1
Enabled
Y1
S22
---
---
Bit Mapped Options
Bit
Option
Val
Descrip
Cmd
0,1
Speaker Volume
0
Low
L0
1
Low
L1
2
Medium
L2
3
High
L3
2,3
Speaker Control
0
Speaker Off
M0
1
On until carrier detected
M1
2
Always On
M2
3
On until carrier detected,
M3
but Off while dialing
4-6
Result Codes
0
See X0
X0
4
See X1
X1
5
See X2
X2
6
See X3
X3
7
See X4
X4
7
Make/Break Ratio
0
39:61 (USA)
&P0
1
33:67 (UK)
&P1
10-3
SRM-100 - Secure Rack Modem, User's Guide
S-Registers