LOGICODE TECHNOLOGY, INC.

QUICKTEL 2400H

Card Type

Data (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

2400bps

Data Bus

8-bit ISA

Data Modulation Protocol

Bell 103A/212A

ITU-T V.21, V.22, V.22bis

CONNECTIONS

Function

Label

Function

Label

Line in

J1

Line out

J2

SERIAL PORT ADDRESS

Setting

SW1/1

SW1/2

SW1/3

SW1/4

COM1 (3F8h)

On

Off

Off

Off

COM2 (2F8h)

Off

On

Off

Off

COM3 (3E8h)

Off

Off

On

Off

COM4 (2E8h)

Off

Off

Off

On

INTERRUPT

Setting

SW1/5

SW1/6

W1

W2

W3

2

Off

Off

Closed

Open

Open

3

On

Off

Open

Open

Open

4

Off

On

Open

Open

Open

5

Off

Off

Open

Closed

Open

7

Off

Off

Open

Open

Closed

Proprietary AT Command Set

BIT-MAPPED REGISTER S14

Format

AT [cmds] S14=n [cmds]

Default:

170

Range:

0-190

Unit:

Bit-mapped

Description:

Controls echo, result codes, result code display, smart/dumb mode, dial mode, and answer/originate mode.

Bit

Value

Function

0

0

Not used

1

0

í 1

Command echo disabled

Command echo enabled

2

í 0

1

Result codes enabled

Result codes disabled

3

0

í 1

Display result codes in numeric format

Display result codes in verbose format

4

í 0

1

Smart mode

Dumb mode

5

0

í 1

Tone dial enabled

Pulse dial enabled

6

0

Not used

7

0

í 1

Answer mode enabled

Originate mode enabled

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Default:

0

Range:

0-253

Unit:

Bit-mapped

Description:

Selects jack type, CTS signal, low DTR action, DCD signal, DSR signal, and the long space disconnect function.

Bit

Value

Function

0

í 0

1

Selects RJ-11, RJ-41S, or RJ45S jack

Selects RJ-12 or RJ-13 jack

1

0

Not used

2

í 0

1

CTS follows RTS

CTS forced high

4, 3

í 00

01

10

11

DTR signal ignored

Modem goes to command mode on low DTR

Modem disconnects on low DTR, Auto-Answer is disabled.

Modem is initialized on low DTR

5

í 0

1

DCD forced high

DCD normal

6

í 0

1

DSR forced high

DSR normal

7

í 0

1

Long space disconnect function disabled

Long space disconnect function enabled

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22=n [cmds]

Default:

118

Range:

0-255

Unit:

Bit-mapped.

Description:

Controls volume and speaker settings, result codes, and make/break pulse ratio.

Bit

Value

Function

1, 0

00

01

í 10

11

Not used

Low volume setting

Medium volume setting

Highest volume setting

3, 2

00

í 01

10

11

Speaker disabled

Speaker enabled until carrier signal detected

Speaker always on

Speaker enabled following dialing, then disabled after carrier signal detected.

6, 5 ,4

000

100

101

110

í 111

Busy and dialtone detection disabled, result codes 0-4 enabled

Busy and dialtone detection disabled, result codes 0-5, 10 enabled

Busy tone detection disabled, dialtone detection enabled, result codes 0-6, 10 enabled

Busy tone detection enabled, dialtone detection disabled, result codes 0-5, 7, 10 enabled

Busy and dialtone detection enabled, result codes 0-7, 10 enabled

7

í 0

1

39/61ms at 10pps (North America)

33/67ms at 10pps (Europe)

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Default:

7

Range:

0-183

Unit:

Bit-mapped

Description:

Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.

Bit

Value

Function

0

0

í 1

Remote digital loopback denied

Remote digital loopback allowed

2, 1

00

01

10

í 11

Sets serial port speed to 0-300bps

Sets serial port speed to 600bps

Sets serial port speed to 1200bps

Sets serial port speed to 2400bps

3

0

Not used

5,4

í 00

01

10

11

Parity even

Space Parity

Parity odd

No Parity

7, 6

í 00

01

10

Guard tone disabled

Guard tone 550Hz enabled

Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Default:

64

Range:

0-68

Unit:

Bit-mapped

Description:

Selects asynchronous mode, line type, and protocol type.

Bit

Value

Function

1, 0

í 00

Asynchronous mode

2

í 0

1

Switch line

Lease line

5, 4, 3

00

Not used

6

0

í 1

Select CCITT protocols

Select Bell protocols

TEST MODES

Format

AT [cmds] S16=n [cmds]

Default:

0

Range:

0-125

Unit:

Bit-mapped

Description:

Controls loopback tests, analog, digital, remote digital, and self tests.

Bit

Value

Function

0

í 0

1

Local analog loopback not in progress

Local analog loopback in progress

1

0

Not used

2

í 0

1

Local digital loopback not in progress

Local digital loopback in progress

3

í 0

1

Modem not in remote digital loopback

Remote digital loopback in progress

4

í 0

1

Remote digital loopback not requested

Remote digital loopback requested

5

í 0

1

Remote digital loopback w/ self-test not in progress

Remote digital loopback w/ self-test in progress

6

í 0

1

Local analog loopback w/ self-test not in progress

Local analog loopback w/ self-test in progress