Multitech MTA128ST Owner's Manual download pdf (Page 55)

55-IWay Hopper

AT Commands/S-Registers

S-Register: S0

Function: Number of Rings Until Answer

Unit: 1 ring

Range: 0255

Default: 1

Description: S0 sets the number of rings the MTA128ST waits for before it

answers and begins its connect sequence. S0=0 turns off the ability to automatical-

ly answer a call. S0=1 causes the MTA128ST to automatically answer after 1 ring.

Note that if the S0 value is set too high, the calling device may time out before the

MTA128ST answers the call. For autoanswer, S0 must have a non-zero value,

DTR must be high (&D command), and the MTA128ST must be offline.

S-Register: S1

Function: Ring Count

Unit: 1 ring

Range: 0255

Default: 0

Description: S1 counts the number of rings that have occurred, up to a maximum

of 255. It is a read-only register and is seldom, if ever, used in typical operation. If

you set S1 to a value other than its default value of zero, or if the value is increas-

ing with rings, this new value remains stored in S1 for eight seconds after the last

ring is counted, after which time the value reverts to zero.

S-Register: S2

Function: Escape Character

Unit: Decimal ASCII code

Range: 0127

Default: 43 (+)

Description: S2 specifies the character used by the MTA128ST to escape from

data mode and return to command mode.

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Multitech MTA128ST Owner's Manual Page 55