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SPORTSTER 56K VOICE FAXMODEM (EXTERNAL)

3COM CORPORATION

SPORTSTER 56K VOICE FAXMODEM (EXTERNAL)

Card Type

Modem (asynchronous)

Chipset

U.S. Robotics

I/O Options

Voice, speakerphone, speaker out

Maximum Data Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation

Bell 103A/212A

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

U.S. Robotics x2

Fax Modulation

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

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I & II

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

AC power in

CN1

Serial port

CN5

Telephone line in

CN2

Power switch

SW1

Telephone line out

CN3

Volume

VR1

Speaker out

CN4

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

AA

Unidentified

On

Auto-answer enabled

AA

Unidentified

Off

Auto-answer disabled

AA

Unidentified

Blinking

Phone is ringing

CD

Unidentified

On

Carrier signal detected

CD

Unidentified

Off

Carrier signal not detected

CD

Unidentified

Blinking

Modem is retraining

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

DIAGNOSTIC LED(S) (CON'T)

LED

Color

Status

Condition

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

CS

Unidentified

On

CTS signal is high

CS

Unidentified

Off

CTS signal is low

ARQ/FAX

Unidentified

On

Modem is connected in error correction mode

ARQ/FAX

Unidentified

Off

Modem is not connected in error correction mode

ARQ/FAX

Unidentified

Blinking

Modem is connected in FAX mode or modem is retransmitting data due to errors

Note: The locations of the LEDs are unidentified.

MISCELLANEOUS TECHNICAL NOTES

A front panel diagram is not available.

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, B, D, E, F, H, L, M, O, P, T, V, X, Z

&C, &D, &F, &G, &P, &R, &S, &T, &W

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S38

Note: See MHI help file for complete information.

Proprietary AT Command Set

See U.S. ROBOTICS SPORTSTER 56K FAXMODEM (INTERNAL) for a full command summary.