HwMuseum | Index

PACKARD BELL

PB1200 PLUS

Modem Type

Data (asynchronous)

Maximum Data Rate

1200bps

Data Bus

External

Data Modulation Protocol

Bell 103A/212A

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Volume

R1

RS-232/422

CN2

Power switch

SW1

DC power

CN3

   

USER CONFIGURABLE SETTINGS

Settings

Label

Position

í DTR forced high

SW2/1

On

DTR normal

SW2/1

Off

í Verbose result code enabled

SW2/2

Off

Verbose result code disabled

SW2/2

On

í Result codes enabled

SW2/3

On

Result codes disabled

SW2/3

Off

í Echo enabled

SW2/4

Off

Echo disabled

SW2/4

On

í Auto answer enabled

SW2/5

Off

Auto answer disabled

SW2/5

On

í CD forced high

SW2/6

On

CD normal

SW2/6

Off

í RJ11 jack selected

SW2/7

Off

RJ12/13 jack selected

SW2/7

On

í AT command set enabled

SW2/8

On

AT command set disabled

SW2/8

Off

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

HS

Red

On

Modem is operating at 1200bps

HS

Red

Off

Modem is operating at slower than 1200bps

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

AA

Red

Blinking

Phone is ringing

CD

Red

On

Carrier signal detected

CD

Red

Off

Carrier signal not detected

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

RD

Red

On

Modem is receiving data

RD

Red

Off

Modem is not receiving data

SD

Red

On

Modem is transmitting data

SD

Red

Off

Modem is not transmitting data

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

MR

Red

On

Power is on

MR

Red

Off

Power is off

Proprietary AT Command Set

BIT-MAPPED REGISTER S13

Format

AT [cmds] S13? [cmds]

Default:

Read-only

Range:

0-255

Unit:

Bit-mapped

Description:

Displays basic/extended result codes , parity, and buffer overflow.

Bit

Value

Function

0

0

Not used.

1

0

1

Basic result code enabled.

Extended result code enabled.

2

0

1

Disable Parity.

Enable Parity.

3

0

1

Odd Parity.

Even Parity.

4

0

1

7 data bits.

8 data bits.

5

0

Not used.

6

0

1

Buffer overflow flag disabled.

Buffer overflow flag enabled; ERROR is displayed.

7

0

1

Space Parity.

Mark Parity.

BIT-MAPPED REGISTER S14

Format

AT [cmds] S14? [cmds]

Default:

Read-only

Range:

0-255

Unit:

Bit-mapped

Description:

Displays status of switch 5, echo, result codes and format, command recognition, dial option, and speaker options.

Bit

Value

Function

0

0

1

Auto-answer disabled.

Auto-answer enabled.

1

0

1

Disable local echo.

Enable local echo.

2

0

1

Enable result codes.

Disable result codes.

3

0

1

Numeric result code.

Verbose result code.

4

0

1

Enable command recognition; switch 8 - On.

Disable command recognition; switch 8 - Off.

5

0

1

Tone dial.

Pulse dial.

6

0

1

Speaker off.

Speaker off on carrier.

7

0

1

Speaker off.

Speaker always on.

BIT-MAPPED REGISTER S15

Format

AT [cmds] S15? [cmds]

Default:

Read-only

Range:

0-255

Unit:

Bit-mapped

Description:

Displays data rate, answer/originate mode, and carrier signal.

Bit

Value

Function

1, 0

00

01

10

11

Not used.

110bps.

300bps.

1200bps.

2

0

1

Answer mode.

Originate mode.

3

0

1

Half duplex.

Full duplex.

5, 4

00

01

10

11

Not used.

110bps.

300bps.

1200bps.

6

0

1

Carrier disabled.

Carrier enabled.

TEST MODES

Type:

Register

Format:

AT [cmds] S16=n [cmds]

Description:

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

Command

Function

S16=0

Normal mode.

S16=1

Analog loopback test enabled.

S16=2

DTMF tone test enabled.

S16=4

Digital loopback test enabled.