Epson ESC/VP21 User Manual page 56

Bit
Bit 3,1,0
Bit 2
Bit 5,4
Bit 6
Bit 7
S30 Sleep Mode Timer
S30 determines when the modem enters sleep or powerdown mode.
When enabled (S30
the modem has been inactive for a user-programmable time delay
(S30). The modem is considered to be in an inactive state when:
1) No internal processing is being performed;
2) There is no activity between the host and the modem within
a specified time period;
3) The modem is off-line.
The modem exits sleep modem whenever the host reads or writes
to the modem, or a ring signal is detected.
3 - S REGISTER REFERENCE
Description
Value
100 &Q4 is selected.
101 Not used.
110 Not used.
111 Not used.
&L0 is selected. (default)
0
&L1 is selected.
1
00 &X0 is selected. (default)
01 &X1 is selected,
&X2 is selected.
10
11 Reserved.
B0 is selected.
0
1 B1 is selected. (default)
Reserved.
0), the DSµP will enter sleep mode whenever
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