HwMuseum | Index

MOTOROLA, INC.

MODEMSURFR 56K (EXTERNAL)

Card Type

Modem (asynchronous)

Chip Set

Rockwell

Maximum Modem Rate

56Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103A/212A

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

Rockwell V.FC, K56+

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

DC power in

CN1

Telephone line in

CN3

Serial port

CN2

Telephone line out

CN4

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

CD

Red

On

Carrier signal detected

CD

Red

Off

Carrier signal not detected

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

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

RI

Red

On

Power is on

RI

Red

Blinking

Phone is ringing

RI

Red

Off

Power is off

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z

&C, &D, &F, &G, &K, &P, &R, &S, &T, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \K, \N, \V

%C, %E, %L, %Q

Special AT Commands

#CID, +MS

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25

S26, S27, S28, S29, S30, S32, S33, S36, S38, S39, S40, S46, S48, S82, S86, S91, S92, S95

Note: See MHI help file for complete information.

UNIDENTIFIED COMMANDS

Command

Default

+ES=nnn

3,0,2

+ESA=nnnnnnnn

0,0,0,0,0,0,0,0

+ITF=nn

255,64

Proprietary AT Command Set

See MOTOROLA, INC. MODEMSURFR 56K (INTERNAL) for a full command summary.