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COURIER V.32BIS WITH ASL

3COM CORPORATION

COURIER V.32BIS WITH ASL

Modem Type

Data (synchronous/asynchronous)

Maximum Data Rate

14.4Kbps

Data Bus

External

Data Modulation Protocol

Bell 103A/212A

ITU-T V.22, V.22bis, V.23, V.32, V.32bis

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

DC power

CN4

Line in

CN2

Volume

R1

RS-232/422

CN3

Power switch

SW2

MI/MIC POLARITY

Setting

J6

J8

Normal

Pins 1 & 2 closed

Pins 1 & 2 closed

Reversed

Pins 2 & 3 closed

Pins 2 & 3 closed

TX/RX PIN ASSIGNMENT

Setting

SW3

Off

Normal operation

On

reverse TX/RX pin assignments

DTR SIGNAL

Setting

SW1/1

On

DTR forced high

Off

DTR normal

RESULT CODES

Setting

SW1/2

Off

Verbose result codes enabled

On

Numeric result codes enabled

RESULT CODES DISPLAY

Setting

SW1/3

On

Display enabled

Off

Display disabled

ECHO COMMANDS DISPLAY

Setting

SW1/4

Off

Local echo enabled

On

Local echo disabled

AUTO ANSWER

Setting

SW1/5

On

Modem does not answer on first ring

Off

Modem answers on first ring

CARRIER DETECT

Setting

SW1/6

Off

CD normal

On

CD forced high

RESULT CODES DISPLAY

Setting

SW1/7

Off

Display result codes in originate and answer modes

On

display result codes in Answer mode

AT COMMAND SET

Setting

SW1/8

On

AT command set enabled

Off

AT command set disabled

ESCAPE CODE

Setting

SW1/9

Off

Disconnect, go to command mode and display NO CARRIER when escape character is received

On

Go to command mode and display OK result code when escape character is received

USER PROFILE

Setting

SW1/10

Off

Use stored profile

On

Use factory default

VOICE/DATA

Setting

SW4

Note: for switch functions see table for register S32.

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

HS

Red

On

Modem is operating at 4800bps or faster

HS

Red

Off

Modem is operating at slower than 4800bps

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

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

RX

Red

Blinking

Modem is receiving data

RX

Red

Off

Modem is not receiving data

TX

Red

Blinking

Modem is transmitting data

TX

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

MR

Red

Blinking

Retraining/test mode

RS

Red

On

RTS signal is high

RS

Red

Off

RTS signal is low

CS

Red

On

CTS signal is high

CS

Red

Off

CTS signal is low

EC

Red

On

Error control enabled

EC

Red

Off

Error control disabled

EC

Red

Blinking

Modem is retransmitting data

SYN

Red

On

Synchronous mode

SYN

Red

Off

Asynchronous mode

Proprietary AT Command Set

See document V1264 for a full command summary.