Cardinal technologies, inc

mvp144i

Card Type

Modem(asynchronous), Fax

Chip Set

Rockwell

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

8-Bit ISA

Fax Class

Class I

Data Modulation Protocol

Bell 103A/212A

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

Fax Modulation Protocol

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

Error Correction/Compression

MNP2-5, V.42, V.42bis, T.30

CONNECTIONS

Function

Label

Function

Label

Line in

CN1

Line out

CN2

SERIAL PORT ADDRESS

Setting

JP1

COM1 (3F8h)

Pins 1 & 8, 2 & 9 closed

COM2 (2F8h)

Pins 2 & 9 closed

COM3 (3E8h)

Pins 1 & 8 closed

COM4 (2E8h)

Pins 1 & 2 closed

INTERRUPT SELECTION

Setting

JP1

2

Pins 4 & 5, 6 & 13 closed

3

Pins 4 & 11, 5 & 6 closed

4 (COM 1)

Pins 3 & 10 closed

4 (COM 2)

Pins 3 & 10, 5 & 6 closed

5

Pins 5 & 12, 6 & 7 closed

7

Pins 5 & 6, 7 & 14 closed

9

Pins 4 & 5, 6 & 13 closed

Proprietary AT Command Set

BACKSPACE CHARACTER

Type:

Register

Format

AT [cmds] S5=n [cmds]

Default:

8

Range:

0-255

Unit:

ASCII

Description:

Selects a character used for backspace <BS>

BIT MAPPED REGISTERS

Register

Default

S14

138

S21

4

S22

117

S23

55

S27

74

S28

0

S31

194

S39

3

S40

105

S41

195

DCE LINE SPEED

Type:

Register

Format

AT [cmds] S37=n [cmds]

Description:

Sets the maximum allowable data exchange rate attempted during handshake process.

Command

Function

í S37=0

AT command rate

S37=3

300bps

S37=5

1200bps in V.22

S37=6

2400bps in V.22bis

S37=7

1200/75 in V.23

S37=8

4800bps in V.32bis/V.32

S37=9

9600bps in V.32bis/V.32

S37=10

12.0Kbps in V.32bis

S37=11

14.4Kbps in V.32bis

S37=12

7200bps in V.32bis

DIAL

Type:

Immediate

Format:

AT [cmds] D<#> [cmds]

Description:

Dials telephone number according to any modifiers included in the string

Note:

Any combination of modifiers can be used to produce the desired dial functions in sequence.

Command

Function

DL

Re-dial last number

DP

Pulse dialing enabled

DR

Answer mode enabled; originate mode disabled following handshake initiation.

DS=n

Dial stored telephone number n (n=0 to 3)

D*

Dials star digit

D#

Dials gate digit

DT

Tone dialing enabled/Pulse dialing disabled

DW

Dialing resumed following dial tone detection

D,

Dialing paused for amount of time specified in S8 register

D&

Waits for bong tone (At&t)

D!

Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.

D@

Wait for Quiet Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence of 5 seconds, is received prior to executing the rest of the dial string.

D^

Toggles the calling tone for current dialing attempt only

D;

Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DTR CHANGE THRESHOLD

Type:

Register

Format

AT [cmds] S25=n [cmds]

Default:

5

Range:

0-255

Unit:

.01 second

Description:

Sets maximum time a change in the DTR signal will be ignored

Note:

This is the function of this register when &M1 is not set.

ESCAPE SEQUENCE GUARD TIME

Type:

Register

Format

AT [cmds] S12=n [cmds]

Default:

50

Range:

0-255

Unit:

.02 seconds

Description:

Maximum allowable time between escape character sequence initiation and completion for the escape sequence to be executed. A value of 0 disables guard time.

FACTORY DEFAULT PROFILE

Type:

Configuration

Format:

AT [cmds] &Fn [cmds]

Description:

Sets values in active profile to values found in the default profile

Command

 

&F0

Restores factory setting 0

&F1

Restores factory setting 1

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

&K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

&K5

Transparent XON/XOFF flow control enabled

&K6

RTS/CTS and XON/XOFF flow control enabled

Line modulation

Type:

Configuration

Format:

AT [cmds] Fn [cmds]

Description:

Selects type of modulation used by the modem

Command

Function

í F0

Auto-detect mode enabled

F1

V.21 or Bell 103

F3

V.32

F4

V.22 at 1200bps or Bell 212A

F5

V.22bis

F6

V.32bis at 4800bps or V.32 at 4800bps

F7

V.32bis at 7200bps

F8

V.32bis at 9600bps or V.32 at 9600bps

F9

V.32bis at 12.0Kbps

F10

V.32bis at 14.4Kbps

NO CARRIER TIME-OUT

Type:

Register

Format

AT [cmds] S7=n [cmds]

Default:

50

Range:

1-255

Unit:

1 second

Description:

Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls.

Note: W dial modifier also uses S7 to set the maximum time to wait.

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports modem product code

I1

Reports firmware checksum

I2

Tests and reports firmware checksum

I3

Reports firmware revision

I4

Reports Identifier string

I5

Reports country code

I6

Reports Data Pump modem and revision

SLEEP TIMER

Type:

Register

Format

AT [cmds] S24=n [cmds]

Default:

0

Range:

0-255

Unit:

1 second

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.