APPENDIX C. S REGISTERS
S18 * | Test timer |
| Default : 0 |
| Sets the length of time in second which the modem conducts a test | ||
| before returning to the command mode. If this register is zero, the test | ||
| will not automatically terminate; the test must be terminated from the | ||
| command mode by issuing an AT&T0 or ATH command. | ||
S19 | Reserved |
|
|
S20 | Reserved |
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|
S21 * | Bit mapped options | ||
| Bit 0 | 0 | AT&J0 (Default) |
|
| ||
|
| 1 | AT&J1 |
| Bit 1 | Reserved | |
| Bit 2 | 0 | AT&R0 |
|
| ||
| Bit 3,4 | 1 | AT&R1 (Default) |
| 0 | AT&D0 | |
|
| ||
|
| 1 | AT&D1 |
|
| 2 | AT&D2 (Default) |
| Bit 5 | 3 | AT&D3 |
| 0 | AT&C0 | |
|
| ||
| Bit 6 | 1 | AT&C1 (Default) |
| 0 | AT&S0 (Default) | |
|
| ||
| Bit 7 | 1 | AT&S1 |
| 0 | ATY0 (Default) | |
|
| ||
|
| 1 | ATY1 |
S22 * Bit mapped options
Bit 0,1
0ATL0
1ATL1
2ATL2
3ATL3
Bit 2,3
0ATM0
1ATM1
2ATM2
3ATM3
Bit
0ATX0
4ATX1
ACTIVE Professional External Modem User’s Manual | 29 |
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