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COURIER DUAL STANDARD V.34 FAX (EXTERNAL)

3COM CORPORATION

COURIER DUAL STANDARD V.34 FAX (EXTERNAL)

Card Type

Fax, Modem (synchronous/asynchronous)

Chip Set

U.S. Robotics

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

Fax Class

Class I & II

Data Modulation Protocol

Bell 103/212A

ITU-T V.21, V.22, V.22bis, V.23, V.25bis, V.32, V.32bis, V.34

Rockwell V.FC

U.S. Robotics HST, V.32terbo

Fax Modulation Protocol

ITU-T V.17, V.21, V.27ter, V.29

Error Correction/Compression

HST, MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

RS-232/422

CN1

DC power

CN4

Line out

CN2

Voice/Data switch

SW2

Line in

CN3

Power switch

SW3

USER CONFIGURABLE SETTINGS

Setting

Label

Position

í DTR normal

SW1/A

Off

DTR forced high

SW1/A

On

í Verbose (word) format enabled

SW1/B

Off

Numeric format enabled

SW1/B

On

í Result code display enabled

SW1/C

On

Result code display disabled

SW1/C

Off

í Local echo enabled

SW1/D

Off

Local echo disabled

SW1/D

On

í Auto-answer disabled

SW1/E

On

Auto-answer enabled, off-hook on first ring

SW1/E

Off

í CD normal

SW1/F

Off

CD forced high

SW1/F

On

í Result code display enabled in both originate and answer mode

SW1/G

Off

Result code display enabled in originate mode only

SW1/G

On

í Smart mode

SW1/H

On

Dumb mode

SW1/H

Off

í Escape code response: modem goes on-hook, off-line command mode, returns ‘NO CARRIER’

SW1/I

Off

Escape code response: modem stays on-line, on-line command mode, returns ‘OK’

SW1/I

On

í Reset and load from profiles in NVRAM

SW1/J

Off

Reset and load from factory settings in ROM

SW1/J

On

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

HS

Red

On

Modem is operating at 2400bps or faster

HS

Red

Off

Modem is operating at slower than 2400bps

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

RS

Red

On

Modem sends RTS signal

RS

Red

Off

RTS forced low during receive data hardware flow control

CS

Red

On

Synchronous transmission or before CTS forced low during transmit hardware flow control

CS

Red

Off

Modem doesn’t send CTS to remote

SYN

Red

On

Modem in synchronous mode

SYN

Red

Off

Modem not in synchronous mode

SYN

Red

Blinking

Dial security enabled

ARQ/FAX

Red

On

Modem is connected in ARQ mode

ARQ/FAX

Red

Off

Modem is not connected in ARQ mode

ARQ/FAX

Red

Slow blink

Data being retransmitted

ARQ/FAX

Red

Fast blink

Modem is connected in FAX mode

Proprietary AT Command Set

See document V2007 for a full command summary.