Multi-Tech Systems MTSGSM User Manual

Page 43

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Chapter 5 - AT Commands, S-Registers, and Error Codes

MTSGSM

43

S5

Backspace character

Description

Defines what ASCII character is used for backspace.

Value

Meaning

0-255

The ASCII value used for the backspace character. The default value is 8 which
corresponds to an ASCII <BS>.

S7

No Carrier timeout

Description

S7 specifies the time to wait for carrier before hanging up and return NO CARRIER.

Value

Meaning

0-255

The time to wait for carrier in seconds. The default value is 60. A value of 0 disables
checking for carrier.

S10

Lost carrier disconnect time

Description

S10 specifies the time in tenths of a second before the modem hangs up in the case

of lost carrier.

Value

Meaning

0-255

The time to wait before a loss of carrier causes the modem to hang ups. The default
value is 10 (1 second).
A value of 0 disables the checking for lost carrier.

S12

Escape sequence guard time

Description

S12 specifies the maximum time in fiftieths of a second that can elapse between the

individual characters in the escape sequence to consider it valid.

Value

Meaning

0-255

Maximum time between escape characters. The default value is 50 (1 second).
A value of 0 disables the guard time detection.

S14

Configuration bitmap

Description

S14 is a bitmapped register that controls a wide range of modem properties:

Bit

Default

Meaning

0

N.A.

Not used

1

1

Command echo.
A value of 0 means that echo disabled and corresponds to ATE0 .
A value of 1 means that echo enabled and corresponds to ATE1 .

2

0

Quiet mode.
A value of 0 means that the modem sends result codes and corresponds to
ATQ0.
A value of 1 means that the modem do not send result codes and
corresponds to ATQ1 .

3

1

Result codes.
A value of 0 means that the modem sends numeric result codes and
corresponds to ATV0 .
A value of 1 means that the modem sends text responses and corresponds
tO ATV1 .

4

N.A.

Not used

5

N.A.

Not used

6

N.A.

Not used

7

0

Answer/Originate.
A value of 0 means answer mode and a value of 1 means originate mode.

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