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VIVA 14.4/FAX INTERNAL

COMPUTER PERIPHERALS, INC.

VIVA 14.4/FAX INTERNAL

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

8-bit ISA

Fax Class

Class I & II

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.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Line in

CN2

BASE I/O ADDRESS SELECTION

Port

SW1/1

SW1/2

SW1/3

SW1/4

COM1: (3F8h)

On

Off

Off

Off

COM2: (2F8h)

Off

On

Off

Off

COM3: (3E8h)

Off

Off

On

Off

COM4: (2E8h)

Off

Off

Off

On

INTERRUPT SELECTION

IRQ

JP1/A

JP1/B

JP1/C

JP1/D

2

Open

Open

Open

Closed

3

Closed

Open

Open

Open

4

Open

Closed

Open

Open

5

Open

Open

Closed

Open

Proprietary AT Command Set

AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Selects auto-retrain mode

Command

Function

%E0

Auto-retrain disabled

%E1

Auto-retrain enabled

BIT-MAPPED REGISTERS

Register

Default

S14

138

S16

0

S21

4

S22

117

S23

183

S27

9

S28

0

S31

2

S40

105

S41

195

S80

Unidentified

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Default:

Unidentified

Range:

Unidentified

Unit:

.1 second

Description:

Sends break to modem

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Break from DTE

Modem receives \B

Break from remote modem

\K0

Enter command mode, do not send break to remote modem

Buffers cleared and break sent to remote modem

Buffers cleared and break sent to DTE

\K1

Buffers cleared and break sent to remote modem

Buffers cleared and break sent to remote modem

Buffers cleared and break sent to DTE

\K2

Enter command mode, do not send break to remote modem

Send break to remote modem immediately

Send break to DTE immediately

\K3

Send break to remote modem immediately

Send break to remote modem immediately

Send break to DTE immediately

\K4

Enter command mode, do not send break to remote modem

Send break to remote modem with transmitted data

Break sent with received data to the DTE

\K5

Send break with transmitted data

Send break to remote modem with transmitted data

Break sent with received data to the DTE

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

%C1

MNP5 enabled

%C2

V.42bis enabled

%C3

MNP5 and V.42bis enabled

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Sets connect mode

Command

Function

\N0

Normal mode enabled

\N1

Direct mode enabled

\N2

Reliable mode enabled

\N3

Auto-reliable mode enabled

\N4

LAP-M mode only enabled

\N5

MNP mode only enabled

DISPLAY CURRENT COMMAND STATUS

Type:

Immediate

Format:

AT [cmds] \S [cmds]

Description:

Displays current setting of modem commands

DISPLAY STORED NUMBERS

Type:

Immediate

Format:

AT [cmds] \F [cmds]

Description:

Displays all stored phone numbers

FAX TRANSMIT LEVEL

Type:

Register

Format:

AT [cmds] S92=n [cmds]

Default:

10

Range:

0-15

Unit:

-1dBm

Description:

Controls fax transmission level

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Description:

Selects modem port flow control

Command

Function

\G0

Flow control disabled

\G1

Flow control enabled

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

LEASED LINE TRANSMISSION LEVEL

Type:

Register

Format:

AT [cmds] S99=n [cmds]

Default:

10

Range:

0-15

Unit:

-1 dBm

Description:

Sets the signal level for transmission when in leased-line mode

LINE SIGNAL LEVEL

Type:

Immediate

Format:

AT [cmds] %L [cmds]

Description:

Returns received line signal level

LINE TYPE

Type:

Configuration

Format:

AT [cmds] %Mn [cmds]

Description:

Selects AUXCTL output

Command

Function

%M0

AUXCTL output low enabled

%M1

AUXCTL output high enabled

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

Description:

Sets the maximum transmittable block size

Command

Function

\A0

MNP block size is 64 characters

\A1

MNP block size is 128 characters

\A2

MNP block size is 192 characters

\A3

MNP block size is 256 characters

MNP STREAM/BLOCK MODE

Type:

Configuration

Format:

AT [cmds] \Ln [cmds]

Description:

Selects the transfer mode for MNP

Command

Function

\L0

Stream mode for MNP enabled

\L1

Block mode for MNP enabled

PSTN TRANSMIT LEVEL

Type:

Register

Format:

AT [cmds] S91=n [cmds]

Default:

10

Range:

0-15

Unit:

-1dBm

Description:

Controls PSTN transmission level

REPORT LINE SIGNAL QUALITY

Type:

Immediate

Format:

AT [cmds] %Q [cmds]

Description:

Reports line signal quality. If the value is greater than 7, the modem will retrain.

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

TEST MODE - PTT

Type:

Immediate

Format:

AT [cmds] %T [cmds]

Description:

Send PTT test signals for European line test

V.23 SPLIT BAUD MODE

Type:

Configuration

Format:

AT [cmds] \Wn [cmds]

Description:

Controls V.23 split baud mode

Command

Function

\W0

V.23 split baud mode disabled

\W1

V.23 split baud mode enabled

V.23 SPEED DIRECTION

Type:

Configuration

Format:

AT [cmds] %Fn [cmds]

Description:

Selects V.23 speed and direction

Command

Function

%F1

1200bps receive/75bps transmit enabled

%F2

1200bps transmit/75bps receive enabled