MAXTECH CORPORATION

RCI144ATI

Card Type

Fax, Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

8-bit ISA

Fax Class

Class I

Data Modulation Protocol

Bell 103/212A

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

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

RJ-11

CN1

RJ-11

CN2

SERIAL PORT ADDRESS

Setting

JP1/E

JP1/F

í COM1 (3F8h)

On

On

COM2 (2F8h)

On

Off

COM3 (3E8h)

Off

On

COM4 (2E8h)

Off

Off

INTERRUPT

Setting

JP1/A

JP1/B

JP1/C

JP1/D

2

Off

Off

Off

On

3

Off

Off

On

Off

í 4

Off

On

Off

Off

5

On

Off

Off

Off

Proprietary AT Command Set

BIT MAPPED REGISTERS

Register

Default

S14

138

S16

0

S21

4

S22

117

S23

55

S27

73

S28

0

S31

2

S39

3

S40

105

S41

3

DIAL

Type:

Immediate

Format:

AT [cmds] D<#> [cmds]

Example:

ATDT555-1212,,1234,

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.

Modifier

Function

P

Pulse dialing enabled

S=n

Dial stored telephone number n. n=0-3

T

Tone dialing enabled

W

Dialing resumed following dial tone detection

,

(Comma) Dialing paused for amount of time specified in S8 register

@

Wait for quiet answer.

!

Flash function initiated.

;

(Semi-colon) Modem returned to command state after dialing.

FLASH DIAL MODIFIER TIME

Type:

Register

Format

AT [cmds] S29=n [cmds]

Default:

0

Range:

0-255

Unit:

.01 second

Description:

Time the modem will go on-hook upon receiving the ! dial modifier in dial string.

FLOW CONTROL CHARACTER - XOFF

Type:

Register

Format:

AT [cmds] S33=n [cmds]

Default:

19

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XOFF

FLOW CONTROL CHARACTER - XON

Type:

Register

Format:

AT [cmds] S32=n [cmds]

Default:

17

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XON

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product identification code

I1

Reports factory ROM checksum

I2

Reports internal memory test

I3

Reports firmware ID

I4

Reports reserved ID

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. S24=0 will disable.

INACTIVITY TIMER

Type:

Register

Format

AT [cmds] S30=n [cmds]

Default:

0

Range:

0-255

Unit:

.01 second

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process. S30=0 will disable.

TRANSMISSION LEVEL - FAX

Type:

Register

Format:

AT [cmds] S92=n [cmds]

Default:

10

Range:

0-15

Unit:

-1 dBm

Description:

Sets the signal level for transmission while in fax mode

TRANSMISSION LEVEL - PSTN

Type

Register

Format

AT [cmds] S91=n [cmds]

Default

10

Range

0-15

Unit

-1 dBm

Description

Sets the signal level for transmission over switched phone lines