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Modem Emulation AT Command Set

Chapter 8 Modem Emulation 45

S23

General Bit Mapped Options Status

Indicates the status of command options.

Default: 62 (3Dh) (00111110b)

Bit 0 Grant RDL

0 = RDL not allowed (&T5) (Default.)

1 = RDL allowed (&T4)

Bits 1-3 DTE Rate

0 = 0 - 300 bps

1 = 600 bps

2 = 1200 bps

3 = 2400 bps

4 = 4800 bps

5 = 9600 bps

6 = 19200 bps

7 = 38400 bps or higher (Default.)

Bits 4-5 Assumed DTE parity

0 = even

1 = not used

2 = odd

3 = none (Default.)

Bits 6-7 not action applied

*62 (3Dh)

S24 Accepted but ignored. 0-255 s * 0

S25 Delay to DTR Off

Sets the length of time that the modem will ignore DTR for taking the action

specified by &Dn. Its units are seconds for synchronous modes and one

hundredths of a second for other modes

0-255 s or

0.01 s

S26 RTS-to-CTS Delay

Sets the time delay, in hundredths of a second, before the modem turns CTS

ON after detecting an OFF-to-ON transition on RTS when &R0 is commanded.

Pertains to synchronous operation only.

0-255 0.01 s 1

S27 General Bit Mapped Options Status - - * 73 (49h)

S28 Accepted but ignored. --*0

S29 Accepted but ignored. 0-255 10 ms 70

S30 Accepted but ignored. 0-255 10 s 0

S31 Accepted but ignored. --*194 (C2h)

S32 XON Character 0-255 ASCII 17 (11h)

S33 XOFF Character 0-255 ASCII 19 (13h)

S34 S35 Reserved - - -

S36 Accepted but ignored. --*7

S37 Accepted but ignored. --*0

S38 Accepted but ignored. 0-255 s 20

S39

Flow Control Bit Mapped Options Status

Default: 3 (00000011b)

Bits 0-2 Status of command options

0 = No flow control

3 = RTS/CTS (&K3) (Default.)

4 = XON/XOFF (&K4)

5 = Transparent XON (&K5)

6 = Both methods (&K6)

Bits 3-7 Reserved

--*3

S40 Accepted but ignored. - - * 104 (68h)

S41 Accepted but ignored. --*195 (C3h)

S42 - S45 Reserved - - -

S46 Accepted but ignored. --*138

S48 Accepted but ignored. --*7

S82 Accepted but ignored. - - 128(40h)