PRACTICAL PERIPHERALS, INC.

PRACTICAL 336 EXTERNAL VOICE/DATA/FAX

Card Type

Modem (synchronous)

Chipset

Unidentified

I/O Options

Microphone in, speaker out, voice, speakerphone

Maximum Data Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

Serial

Fax Class

Unidentified

Data Modulation

Unidentified

Fax Modulation

Unidentified

Error Correction/Compression

Unidentified

CONNECTIONS

Function

Label

Function

Label

Telephone line out

CN1

Speaker out

CN5

Telephone line in

CN2

DC power in

CN6

RS-232/422

CN3

Power switch

SW1

Microphone in

CN4

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

MR

Unidentified

On

Power is on

MR

Unidentified

Off

Power is off

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

SD

Unidentified

On

Modem is transmitting data

SD

Unidentified

Off

Modem is not transmitting data

RD

Unidentified

On

Modem is receiving data

RD

Unidentified

Off

Modem is not receiving data

OH

Unidentified

On

Modem is off-hook

OH

Unidentified

Off

Modem is on-hook

CD

Unidentified

On

Carrier signal detected

CD

Unidentified

Off

Carrier signal not detected

RI

Unidentified

On

Phone is ringing

RI

Unidentified

Off

Phone is not ringing

HS

Unidentified

On

Modem is operating at 4800bps or faster

HS

Unidentified

Off

Modem is operating at slower than 4800bps

SUPPORTED STANDARD COMMANDS

The command set is unidentified.