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14.4 VOICE FAX/MODEM

ZOLTRIX

14.4 VOICE FAX/MODEM

Modem Type

Data (Asynchronous/Synchronous)/Fax/Voice

Maximum Data Rate

14.4K bps

Maximum Fax Rate

14.4K bps

Data Bus

16-bit ISA

Fax Class

Class 2

Data Modulation Protocol

Bell 103 & 212A, CCITT V.32bis, V.32, V.22bis, V.22 & V.21

Fax Modulation Protocol

CCITT V.29, V.27ter, V.21 & V.17, GRP III

Error Correction/Compression

CCITT V.42bis & V.42, MNP5 & MNP4

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Microphone jack

CN3

Line in

CN2

Speaker jack

CN4

INTERRUPT SELECT

IRQ

SW1/1

SW1/2

SW1/3

SW1/4

SW1/7

í IRQ3

off

off

off

on

off

IRQ2

off

off

off

off

on

IRQ4

off

off

on

off

off

IRQ5

off

on

off

off

off

IRQ7

on

off

off

off

off

COM PORT SETTINGS

COM

SW1/5

SW1/6

í COM2

off

on

COM1

on

on

COM3

on

off

COM4

off

off

\An PROPRIETARY COMMAND

Note:

Sets the maximum MNP block size.

Command

Protocol

í \A2

Set maximum block size to 192 characters.

\A0

Set maximum block size to 64 characters.

\A1

Set maximum block size to 128 characters.

\A3

Set maximum block size to 256 characters.

\Bn PROPRIETARY COMMAND

Note:

Sends a break signal to the remote modem during a non-MNP connection.

Command

Protocol

í \B3

Sends a 300ms break.

\B0

\Bn command disabled.

\B1

Sends a 100ms break.

\B2

Sends a 200ms break.

\B4

Sends a 400ms break.

\B5

Sends a 500ms break.

\B6

Sends a 600ms break.

\B7

Sends a 700ms break.

\B8

Sends a 800ms break.

\B9

Sends a 900ms break.

/Gn PROPRIETARY COMMAND

Note:

Enables/disables modem-to-modem flow control.

Command

Protocol

í \G0

Modem-to-modem flow control disabled.

\G1

Modem-to-modem flow control enabled.

/Kn PROPRIETARY COMMAND

Note:

Selects the modem response when a break signal is detected from the DTE or remote modem.

Command

Protocol

 

í \K5

(1) Break signal from DTE, normal/MNP mode: modem sends a break signal to the remote modem in sequence with transmitted data.

(2) Break signal from remote modem, normal mode: modem returns break signal in sequence with buffered data.

(3) Break signal from DTE, direct mode: modem sends a break signal to the remote modem.

/Kn PROPRIETARY COMMAND

Command

Protocol

 

\K0

(1) Break signal from DTE, normal/MNP mode: modem does not send break signal to the remote modem and enters the command mode.

(2) Break signal from remote modem, normal mode: modem clears terminal and modem buffers, then returns break signal.

(3) Break signal from DTE, direct mode: modem sends a break to the remote modem, then enters the command mode.

 

\K1

(1) Break signal from DTE, normal/MNP mode: modem clears terminal and modem buffers, then sends a break signal to the remote modem.

(2) Break signal from remote modem, normal mode: modem clears terminal and modem buffers, then returns break signal.

(3) Break signal from DTE, direct mode: modem sends a break to the remote modem, then enters the command mode.

 

\K2

(1) Break signal from DTE, normal/MNP mode: modem does not send break signal to the remote modem and enters the command mode.

(2) Break signal from remote modem, normal mode: modem does not clear buffers and returns a break signal

(3) Break signal from DTE, direct mode: modem sends a break signal to the remote modem.

 

\K3

(1) Break signal from DTE, normal/MNP mode: modem does not clear buffers and sends a break signal to the remote modem.

(2) Break signal from remote modem, normal mode: modem does not clear buffers and returns a break signal

(3) Break signal from DTE, direct mode: modem sends a break to the remote modem, then enters the command mode.

 

\K4

(1) Break signal from DTE, normal/MNP mode: modem does not send break signal to the remote modem and enters the command mode.

(2) Break signal from remote modem, normal mode: modem returns break signal in sequence with buffered data.

(3) Break signal from DTE, direct mode: modem sends a break signal to the remote modem.

 

/Ln PROPRIETARY COMMAND

Note:

Enables block or stream mode for MNP connections.

Command

Protocol

í \L0

Stream mode for MNP links enabled.

\L1

Block mode for MNP links enabled.

/Nn PROPRIETARY COMMAND

Note:

Selects the Error-Correction Operating Mode.

Command

Protocol

í \L3

Auto-Reliable Link mode enabled (&Q5, S36=7, S48=7).

\N0

Normal mode enabled (&Q6).

\N1

Direct mode enabled (&Q0).

\N2

Reliable Link mode enabled (&Q5, S36=4, S48=7).

 

/Nn PROPRIETARY COMMAND

Command

Protocol

\N4

LAPM error correction mode enabled (&Q5, S48=0).

\N5

MNP error correction mode enabled (&Q5, S36=4, S48=128).

%Cn PROPRIETARY COMMAND

Note:

Selects data compression options. Applies only to V.42bis/V.42 protocols.

Command

Protocol

í %C3

V.42bis and MNP5 data compression enabled.

%C0

Data compression disabled.

%C1

MNP5 data compression enabled.

%C2

V.42bis data compression enabled.

%En PROPRIETARY COMMAND

Note:

Selects line quality monitor and auto-retrain options. Applies only to V.42bis/V.42 protocols.

Command

Protocol

í %E0

Line quality monitor and auto-retrain function disabled.

%E1

Line quality monitor and auto-retrain function enabled.

%E2

Line quality monitor, auto-retrain function, and auto fall-back/fall-forward function enabled.

%E3

Line quality monitor and auto-retrain function enabled, hang up when Eye Quality Monitor threshold reached.

%L PROPRIETARY COMMAND

Note:

Reports received signal level in dBm, from 090 (9dBm) to 043 (43dBm). Applies only to V.42bis/V.42 protocols.

%Q PROPRIETARY COMMAND

Note:

Reports line signal quality according to the signal/noise ratio (dBm). Applies only to V.42bis/V.42 protocols.