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14400BPS FAXMODEM (EXTERNAL)

ZOOM TELEPHONICS, INC.

14400BPS FAXMODEM (EXTERNAL)

Card Type

Fax, Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

Fax Class

Class I & II

Data Modulation Protocol

Bell 103/212A

ITU-T V.21, V.22A/B, V.22bis, V.23, V.32, V.32bis

Fax Modulation Protocol

ITU-T V.17, V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line in

CN1

DC power

CN4

Line out

CN2

Power switch

SW1

RS-232/422

CN3

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

MSG

Red

On

Used by software applications. Faxes are waiting

MSG

Red

Off

Used by software applications. Faxes are not waiting

FAX

Red

On

Modem is connected in FAX mode

FAX

Red

Off

Modem is not connected in FAX mode

14.4

Red

On

Modem connected at 14.4Kbps (V.32bis, or FAX mode)

14.4

Red

Off

Modem not connected at 14.4Kbps (V.32bis, or FAX mode)

V32

Red

On

Modem connected at 9600bps or 4800bps or faster

V32

Red

Off

Modem not connected at 9600bps or 4800bps or faster

V42

Red

On

Error correction (V.42) enabled

V42

Red

Off

Error correction (V.42) disabled

DC

Red

On

Data compression (V.42bis or MNP5) enabled

DC

Red

Off

Data compression (V.42bis or MNP5) disabled

EC

Red

On

Error correction enabled using V.42 or MNP4 to send data

EC

Red

Off

Error correction disabled

FC

Red

On

Flow control enabled and data buffers not full

FC

Red

Off

Flow control disabled or data buffers full

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

See document V2023 for a full command summary.