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EMAC-MD1200 (EV-936)

EVEREX SYSTEMS, INC.

EMAC-MD1200 (EV-936)

Card Type

Modem (asynchronous)

Chipset

Unidentified

I/O Options

Speakerphone

Maximum Data Rate

1200bps

Data Modulation

Bell 103A/212A

ITU-T V.21, V.22

Error Correction/Compression

None

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

Speakerphone button

BT1

DC power in

CN4

Mute button

BT2

Microphone

MIC

Telephone line out

CN1

Volume control

R1

Telephone line in

CN2

Power switch

SW2

RS-232/422 port

CN3

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

í Modem ignores DTR

SW1/1

Off

Modem disconnects and does not accept commands on low DTR; auto-answer is disabled

SW1/1

On

í Verbose result code format enabled.

SW1/2

Off

Numeric result code format enabled.

SW1/2

On

í Result codes enabled

SW1/3

Off

Result codes disabled

SW1/3

On

í Command echo enabled

SW1/4

Off

Command echo disabled

SW1/4

On

í Auto-answer disabled

SW1/5

Off

Auto-answer after first ring

SW1/5

On

í CD signal forced high

SW1/6

Off

CD signal normal

SW1/6

On

í Modem is connected to RJ-11 or RJ-14 jack

SW1/7

Off

Modem is connected to RJ-12 or RJ-13 jack

SW1/7

On

í Command set enabled

SW1/8

Off

Command set disabled

SW1/8

On

í Modem uses Bell 212A at 1200bps

SW1/9

Off

Modem uses ITU-T V.22 at 1200bps

SW1/9

On

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

SPL

Red

On

Modem is in speakerphone mode

SPL

Red

Off

Modem is not in speakerphone mode

ML

Red

On

Speakerphone is muted

ML

Red

Off

Speakerphone is not muted

RI

Red

On

Phone is ringing

RI

Red

Off

Phone is not ringing

HS

Red

On

Modem is operating at 1200bps

HS

Red

Off

Modem is operating at 300bps

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

RD

Red

Blinking

Modem is receiving data

RD

Red

Off

Modem is not receiving data

TD

Red

Blinking

Modem is transmitting data

TD

Red

Off

Modem is not transmitting data

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

MR

Red

On

Power is on

MR

Red

Off

Power is off

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, comma, A/

A, B, E, F, H, L, M, O, Q, V, X, Y, Z

&C, &D, &G, &L, &P, &T

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S18, S21, S22, S23, S27

Note: See MHI help file for complete information.

Proprietary AT Command Set

TRANSMIT EQUALIZATION

Type:

Configuration

Format:

AT [cmds] Un [cmds]

Description:

Selects how much transmit equalization the modem will use.

Command

Function

U0

Modem will use the average amount of transmit equalization.

U1

Modem will use the maximum amount of transmit equalization.

í U2

Modem auto-detects correct amount of transmit equalization during handshaking.

See EVEREX SYSTEMS, INC EMAC-MD2400 (EV-945) for a full command summary.