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XE1486L

Compact 14,400 BPS Data and Fax Modem

Xecom 

XE1486L S-Registers (continued)

S16 Test Status: S16 shows the modem test status.

Bit 0 0 = No Local Analog Loopback

1 = Local ALB Active

Bit 2 - 7Not Used

S21 General Bit-Mapped Options: S21 reflects the state of

several "AT" commands.

Bit 0-2, 7 Not Used

Bit 3,4 0 = DTR ignored (&D0)

1 = Enter command mode on DTR off (&D1)

2 = Disconnect on DTR off (&D2)

3 = Reset on DTR off (&D3)

Bit 5 0 = DCD always active (&C0)

1 = DCD on with Carrier (&C1)

Bit 6 0 = DSR always active (&S0)

1= DSR on when modem ready (&S1)

S22 General Bit-Mapped Options: S22 reflects the state of

several "AT" commands.

Bit 0-1 0 = Low speaker volume (ATL0)

1 = Low speaker volume (ATL1)

2 = Moderate speaker volume (ATL2)

3 = High speaker volume (ATL3)

Bit 2-3 0 = Speaker off (ATM0)

1 = Speaker off with carrier (ATM1)

2 = Speaker always on (ATM2)

3 = Speaker on during handshake (ATM3)

Bit 4-6 0 = Basic Result codes (ATX0)

4 = Connect speed result codes (ATX1)

5 = No Blind Dial (ATX2)

6 = Busy Detection (ATX3)

7 = Full result codes (ATX4)

Bit 7 Not Used

S23 General Bit-Mapped Options: S23 reflects the state of

several "AT" commands.

Bit 0-5 Not Used

Bit 6-7 0 = No Guard Tone (AT&G0)

1 = No Guard Tone (AT&G1)

2 = 1800 Hz guard tone (AT&G2)

3 = Not Used

S24 Sleep Mode Timer: S24 sets the length of time in

seconds that the modem must be idle before entering the

low power, sleep mode. When S24 is set to 0, sleep

mode is disabled.

Range: 0 to 255

Units: seconds

Default: 0

S27 General Bit-Mapped Options: S27 reflects the state of

several "AT" commands.

Bit 0 1 3

0 0 0 = Normal Mode (AT&Q0)

1 0 1 = Error control enabled (AT&Q5)

0 1 1 = Direct Mode (AT&Q6)

Bit 2, 4-5, 7 Not Used

Bit 6 0 = CCITT Protocols (ATB0)

1 = Bell Protocols (ATB1)

S28 Pulse Dialing Bit-Mapped Options: S28 stores the

modem's pulse dialing configuration.

Bit 0-2, 5-7 Not Used

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

pulses per second (AT&P0)

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

pulses per second (AT&P1)

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

pulses per second (AT&P2)

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

pulses per second (AT&P3)

S29 Hook Flash Timer: S29 determines the length for time

the modem closes its off-hook relay on receipt of the "!"

dial modifier to simulate a switch hook flash.

Range: 0 to 255

Units 10 milliseconds

Default 70

S30 Disconnect on Inactivity Timer: S30 sets the period the

modem is idle before it disconnects. A 0 disables the in-

activity timer.

Range: 0 to 255

Units 10 Seconds

Default 0

S31 General Bit-Mapped Options: S31 stores the status of

various AT commands.

Bit 0 0 = No single-line Connect messages (AT\V0)

1 = Use single-line connect messages (AT\V1)

Bit 1, 4-7 Not Used

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

1 = Report all parameters (ATW1)

2 = Report modem speed only (ATW2)

XECOM

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XE1486L

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