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XE1486

Compact 14,400 BPS Fax and Data Modem

Xecom 

XE1486 S-Registers (continued)

S28 Pulse Dialing Bit-Mapped Options: S28

S33 XOFF Character: S32 determines the character

stores the modem's pulse dialing format.

recognized as XOFF for in-band flow control.

Bit 0-2 Not Used

Range: 0 to 255

Bit 3-4 0 = Make/Break ratio 39%/61%; 10

Units ASCII Character

pulses per second (AT&P0)

Default 19 (DC3)

1 = Make/Break ratio 33%/67%; 10

pulses per second (AT&P1)

S36 LAPM Failure: S36 sets the modem reaction to

2 = Make/Break ratio 39%/61%; 20

error control negotiation failure.

pulses per second (AT&P2)

Bit 0-2 0 = Modem Disconnects

3 = Make/Break ratio 33%/67%; 20

1 = Establish Direct Connection

pulses per second (AT&P3)

3 = Establish normal Connection

Bit 5-7 Not Used

4 = Disconnect if MNP handshake

fails

S29 Hook Flash Timer: S29 sets the length of time

5 = Establish Direct Connection if

the modem closes its off-hook relay on receipt of

MNP handshake fails.

the "!" dial modifier to simulate a switch hook

7 = Establish Normal Connection if

flash.

MNP handshake fails.

Range: 0 to 255

Bit 3-7 Not Used

Units 10 milliseconds

Default 70

S38 Forced Disconnect Timer: S38 sets the delay

between receipt of the disconnect command and

S30 Disconnect on Inactivity Timer: S30 sets the

the opening of the switch hook. If S38 is set to

modem to disconnect after the given time period

255 the modem disconnects only after its buffers

with no data being sent or received. A 0 dis-

are empty.

ables the inactivity timer.

Range: 0 to 255

Range: 0 to 255

Units 1 Second

Units 10 Seconds

Default 20

Default 0

S39 Flow Control Bit-Mapped Options: S39

S31 General Bit-Mapped Options: S31 stores the

shows the status of the flow control options,

status of various AT commands.

AT&K.

Bit 0 0 = No single-line Connect messages

Bit 0-2 0 = Flow Control Disabled

(AT\V0)

3 = Hardware Flow Control, RTS/CTS

1 = Use single-line connect messages

4 = In-Band Flow Control XON/XOFF

(AT\V1)

5 = Transparent In-Band Flow Control

Bit 1 0 = No Automode detection (ATN0)

6 = Hardware & In-Band Flow Control

1 = Automode detection active (ATN1)

Bit 3-7 Not used

Bit 2-3 0 = Report host speed (ATW0)

1 = Report all parameters (ATW1)

2 = Report modem speed only (ATW2)

Bit 4-7 Not Used

S32 XON Character: S32 determines the character

to be sent as XON for in-band flow control.

Range: 0 to 255

Units ASCII Character

Default 11 (VT)

XECOM

(11)

XE1486

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