DIAMOND MULTIMEDIA SYSTEMS, INC.

SUPRAFAX MODEM 288

Card Type

Fax, Modem (synchronous/asynchronous)

Chip Set

Rockwell

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.22bis, V.23, V.32, V.32bis, V.34

Rockwell V.FC

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, MNP10, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line out

CN1

DC power

CN4

Line in

CN2

Power switch

SW1

RS-232/422

CN3

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

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

PWR

Red

On

Power is on

PWR

Red

Off

Power is off

ALPH-NUMERIC DISPLAY

Display

Condition

OK

Modem is ready

AA

Auto-answer enabled

DI

Modem dialing a number

RI

Phone is ringing

CD

Carrier signal detected and modem is connected

LP

LAPM error correction activated

DC

Data compression activated

V34

V.34 (non-asymmetric) connection

R34

Modem is receiving data. When a nn follows, this indicates the receive speed.

T34

Modem is transmitting data. When a nn follows, this indicates the transmit speed.

VF

Modem is connected using V.FC protocol

28

Modem connected at 28.8Kbps

26

Modem connected at 26.4Kbps

24

Modem connected at 24Kbps, if this number follows V34, T34 or R34

216

Modem connected at 21.6Kbps

192

Modem connected at 19.2Kbps

168

Modem connected at 16.8Kbps

144

Modem connected at 14.4Kbps

120

Modem connected at 12Kbps

96

Modem connected at 9600bps

48

Modem connected at 4800bps

24

Modem connected at 2400bps, if this number doesn’t follows V34, T34 or R34

12

Modem connected at 1200bps

3

Modem connected at 300bps

RE

Receive error, local modem asking to retransmit data

TE

Transmission error, remote modem asking to resend data

RT

Either modem has requested to retrain

FX

Modem is connected in FAX mode

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, ‘comma’, A/

A, C, D, E, F, H, L, N, O, P, Q, R, S, T, U, V, W, Y, Z

&A, &B, &C, &G, &J, &K, &L, &P, &S, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

\C, \E, \O, \Q, \T, \U, \V, \X, \Y, \Z

%A, %TT

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26,

S38, S46, S48, S82, S86, S90, S91, S92, S95, S99, S108, S109, S110

Special Commands

"H, "N, "O,-J, )M, +MS?

Note: See MHI Help File for full command documentation.

Proprietary AT Command Set

See document SUPRAFAX MODEM 288I for a full command summary.