HwMuseum | Index

PROMETHEUS PRODUCTS, INC.

PC PROMODEM 144E (REV.1), MAC PROMODEM 144E (REV.1)

Card Type

Fax, Modem (synchronous/asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

Data Modulation Protocol

Bell 103/212A

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

Rockwell V.FC

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line out

CN1

RS-232/422

CN3

Line in

CN2

DC power

CN4

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

MR

Red

On

Modem is ready

MR

Red

Off

Self-test failed

MR

Red

Blinking

Self-test in progress

HS

Red

On

Modem is operating at highest speed available

HS

Red

Off

Modem is operating at slower speed available

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

SD

Red

On

Modem is transmitting data

SD

Red

Off

Modem is not transmitting data

RD

Red

On

Modem is receiving data

RD

Red

Off

Modem is not receiving data

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

PWR

Red

On

Power is on

PWR

Red

Off

Power is off

MISCELLANEOUS TECHNICAL NOTES

Note: This modem uses MaxFax software to send and receive faxes.

Proprietary AT Command Set

See document V2265 for a full command summary.