Multitech MultiModem MT5600DSDV2 User Manual page 32

MultiModemDSVD User Guide
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Multi-Tech Systems, Inc.
4 AT Commands, S-Registers, and Result Codes
O n
Return Online to Data Mode
0 or 1
None
O0 Exit online command mode and return to online data mode
without a retrain. Normally used after a +++ escape (see
+++AT<CR> escape sequence).
O1 Exit online command mode and return to online data mode
after a retrain.
P Pulse Dialing
P, T
T
Forces pulse (non-touch-tone) dialing until a T command or
dial modifier is received.
Q n
Result Codes Enable/Disable
n = 0 or 1
0
Q0 Enable result codes.
Q1 Disable result codes.
S r
Select Register
r = S-register number
None
Selects register Sr as the last register accessed. E.g., S0. The
command AT? can then be used to read the register, and the
command AT=n can then be used to set the register to value n.
S r = n Set Register Value
r = S-register number; n varies
None
Set value of register Sr to n, where n is entered in decimal for-
mat. E.g., S0=1. If the short form AT=n is used, the value is
written to the last accessed S-register.
S r ?
Read Register Value
r = S-register number
None
Read value of register Sr and display it in 3-digit decimal for-
mat. E.g., S2? gives the response 043. If the short form AT? is
used, the last accessed S-register is read.
T Tone Dialing
P, T
T
Forces DTMF (touch-tone) dialing until a P command or P dial
modifier is received.
V n Result Code Format
n = 0 or 1
1
V0 Displays result codes as digits (terse response).
V1 Displays result codes as words (verbose response).
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