E-TECH RESEARCH, INC.

PC1414UX (REV. 2)

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 212A

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

Fax Modulation Protocol

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

JP1

JP2

JP3

JP4

JP5

JP6

COM1: (3F8h)

Open

Open

Open

Open

Open

Closed

COM2: (2F8h)

Closed

Open

Open

Open

Closed

Open

COM3: (3E8h)

Open

Closed

Open

Open

Open

Closed

COM4: (2E8h)

Closed

Closed

Open

Open

Closed

Open

COM5: (3F0h)

Open

Open

Closed

Open

Open

Open

COM6: (2F0h)

Closed

Open

Closed

Open

Open

Open

COM7: (3E0h)

Open

Closed

Closed

Open

Open

Open

COM8: (2E0h)

Closed

Closed

Closed

Open

Open

Open

INTERRUPT SELECTION

IRQ

JP4

JP5

JP6

JP7

JP8

2

Closed

Open

Open

Open

Open

3

Open

Closed

Open

Open

Open

4

Open

Open

Closed

Open

Open

5

Open

Open

Open

Closed

Open

7

Open

Open

Open

Open

Closed

Proprietary AT Command Set

BIT-MAPPED REGISTER S14

Format

AT [cmds] S14=n [cmds]

Example:

ATS14=138<CR>

Default:

138

Range:

0-174

Unit:

Bit-mapped.

Description:

Controls echo, result codes, result code display, dial mode, and answer/originate mode.

Bit

Value

Function

0

0

Not used.

1

0

» 1

Command echo disabled.

Command echo enabled.

2

» 0

1

Result codes enabled.

Result codes disabled.

3

0

» 1

Display result codes in numeric format.

Display result codes in verbose format.

4

0

Not used.

5

» 0

1

Tone dial enabled.

Pulse dial enabled.

6

0

Not used.

7

0

» 1

Answer mode enabled.

Originate mode enabled.

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Example:

ATS21=48<CR>

Default:

48

Range:

0 - 189

Unit:

Bit-mapped.

Description:

Selects jack type, CTS signal, low DTR action, DCD signal, and the Long Space Disconnect function.

Bit

Value

Function

0

» 0

1

Selects RJ-11, RJ-41S, or RJ45S jack.

Selects RJ-12 or RJ-13 jack.

1

0

Not used.

2

» 0

1

CTS follows RTS.

CTS forced high.

4, 3

00

01

» 10

11

DTR signal ignored.

Modem goes to command mode on low DTR.

Modem disconnects on low DTR. Auto-Answer is disabled.

Modem is initialized on low DTR.

5

0

» 1

DCD forced high.

DCD normal.

6

0

Not used.

7

» 0

1

Long Space Disconnect function disabled.

Long Space Disconnect function enabled.

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22=n [cmds]

Example:

ATS22=118<CR>

Default:

118

Range:

0 - 255

Unit:

Bit-mapped.

Description:

Controls volume and speaker settings, result codes, and make/break pulse ratio.

Bit

Value

Function

1, 0

00

01

» 10

11

Lowest volume setting.

Low volume setting.

Medium volume setting

Highest volume setting.

3, 2

00

» 01

10

11

Speaker disabled.

Speaker enabled until carrier signal detected

Speaker enabled.

Speaker enabled following dialing, then disabled after carrier signal detected.

6, 5 ,4

000

100

101

110

» 111

Busy and dialtone detection disabled, result codes 0-4 enabled.

Busy and dialtone detection disabled, result codes 0-5, 10 enabled.

Busy tone detection disabled, dialtone detection enabled, result codes 0-6, 10 enabled.

Busy tone detection enabled, dialtone detection disabled, result codes 0-5, 7, 10 enabled.

Busy and dialtone detection enabled, result codes 0-7, 10 enabled.

7

» 0

1

39/61ms at 10pps (North America)

33/67ms at 10pps (Europe)

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Example:

ATS23=28<CR>

Default:

28

Range:

0-191

Unit:

Bit-mapped.

Description:

Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.

Bit

Value

Function

0

0

» 1

Remote digital loopback denied.

Remote digital loopback allowed.

3, 2, 1

000

010

011

100

101

» 110

111

Sets serial port speed to 0-300bps.

Sets serial port speed to 1200bps.

Sets serial port speed to 2400bps.

Sets serial port speed to 4800bps.

Sets serial port speed to 9600bps.

Sets serial port speed to 19.2Kbps.

Sets serial port speed to 38.4Kbps.

5,4

00

» 01

10

11

Parity even.

Space parity.

Parity odd.

Mark or no parity.

7, 6

» 00

01

10

Guard tone disabled.

Guard tone disabled.

Guard tone 1800Hz enabled.

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Example:

AT S27=0 <CR>

Default:

0

Range:

0 - 119

Unit:

Bit-mapped.

Description:

Selects sync/async mode, Line type, internal clock, and ITU-T/Bell modes.

Bit

Value

Function

1, 0

» 00

01

10

11

Asynchronous mode, serial port speed follows connect speed.

Asynchronous command mode and synchronous connect mode.

Asynchronous command mode and synchronous connect mode, DTR dialing enabled.

Asynchronous command mode on low DTR, synchronous connect mode on high DTR.

2

» 0

1

Dial up line.

Leased line.

3

0

Not used.

5, 4

» 00

01

10

Modem generates clock.

DTE generates clock.

Modem generates clock from the receive carrier signal.

6

» 0

1

CCITT mode.

Bell mode.

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Example:

AT &M2 H1 DT555-1212<CR>

Description:

Selects the active communications mode.

Command

Function

» &M0

Asynchronous command and data modes.

DIAL INTERRUPT

Type:

Configuration

Format:

AT [cmds] *Pn [cmds]

Example:

AT *P9 S8=1<CR>

Description:

Controls the dial interrupt.

Command

Function

» *P0

Dial interrupt enabled.

*P1

Dial interrupt disabled.

ECHO DATA

Type:

Configuration

Format:

AT [cmds] \En [cmds]

Example:

AT \E0 <CR>

Description:

Enables modem to echo received data.

Command

Function

» \E0

Data echo disabled.

\E1

Data echo enabled.

ESCAPE SEQUENCE MODE

Type:

Configuration

Format:

AT [cmds] *En [cmds]

Example:

AT *E1<CR>

Description:

Selects modem escape sequence mode.

Command

Function

*E0

Hayes ESC sequence mode.

» *E1

TIES ESC sequence mode.

ERROR CORRECTION REJECTION

Format

AT [cmds] S36=n [cmds]

Example:

ATS36=0<CR>

Default:

7

Range:

0 - 7

Unit:

Bit-mapped.

Description:

Configures the modem’s behavior if an error-correcting connection cannot be made.

Bit

Value

Function

0 - 2

000

001

011

100

101

» 111

Modem disconnects.

Modem attempts MNP connection. If it fails, modem attempts direct connection.

Modem attempts MNP connection. If it fails, modem attempts normal connection.

Modem attempts MNP connection. If it fails, modem disconnects.

Modem attempts MNP connection. If it fails, modem attempts direct connection.

Modem attempts MNP connection. If it fails, modem attempts normal connection.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Example:

AT \G1 &K3<CR>

Description:

Selects modem port flow control.

Command

Function

» \G0

Flow control disabled.

\G1

Flow control enabled.

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

Example:

AT \Q0 A <CR>

Description:

Sets type of flow control used by modem.

Command

Function

\Q0

Flow control disabled.

\Q1

XON/XOFF flow control enabled.

\Q2

CTS flow control to DTE enabled.

» \Q3

RTS/CTS flow control enabled.

LINE TYPE

Type:

Configuration

Format:

AT [cmds] &Ln [cmds]

Example:

AT &L H1 DT555-1212<CR>

Description:

Selects line type.

Command

Function

» &L0

Switched line.

LOCK SERIAL PORT

Type:

Configuration

Format:

AT [cmds] \Jn [cmds]

Example:

AT %L3 %B14 \J0<CR>

Description:

Sets operation of serial port speed.

Command

Function

» \J0

Serial speed locked.

\J1

Serial speed follows connect speed.

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Example:

AT I1 O<CR>

Description:

Displays modem properties.

Command

Function

I0

Reports product code.

I1

Reports factory configuration.

I2

Reports firmware checksum.

I4

Reports firmware version.

I5

Reports Memory test.

PROTOCOL/SPEED

Type:

Configuration

Format:

AT [cmds] *Nn [cmds]

Example:

AT *N6<CR>

Description:

Selects the current DCE speed.

Command

Function

*N0

Select 1200bps speed.

*N1

Select 2400bps speed.

*N2

Select 4800bps speed.

*N3

Select 9600bps speed.

*N4

Select 7200bps speed.

*N5

Select 12Kbps speed.

» *N6

Select 14.4Kbps speed.

RETRAIN SENSITIVITY

Type:

Configuration

Format:

AT [cmds] *Qn [cmds]

Example:

AT &C3 *Q1<CR>

Description:

Controls retrain.

Command

Function

» *Q0

Modem retrain disabled.

*Q1

Modem retrain enabled.

SECURITY MODE

Type:

Configuration

Format:

AT [cmds] *Gn [cmds]

Example:

AT *G0<CR>

Description:

Controls adaptive handshake.

Command

Function

*G0

Adaptive handshake disabled.

» *G1

Adaptive handshake enabled.

TEST MODES

Format

AT [cmds] S16=n [cmds]

Example:

ATS16=40<CR>

Default:

0

Range:

0-125

Unit:

Bit-mapped.

Description:

Controls loopback tests, analog, digital, remote digital, and self tests.

Bit

Value

Function

0

» 0

1

Local analog loopback not in progress.

Local analog loopback in progress.

1

0

Not used.

2

» 0

1

Local digital loopback not in progress.

Local digital loopback in progress.

3

» 0

1

Modem not in remote digital loopback.

Remote digital loopback in progress.

4

» 0

1

Remote digital loopback not requested.

Remote digital loopback requested.

5

» 0

1

Remote digital loopback w/ self-test not in progress.

Remote digital loopback w/ self-test in progress.

6

» 0

1

Local analog loopback w/ self-test not in progress.

Local analog loopback w/ self-test in progress.

TRANSMISSION LEVEL

Type:

Configuration

Format:

AT [cmds] *Xn [cmds]

Example:

AT *X4 &W<CR>

Description:

Sets the signal level for transmission.

Command

Function

*X0

-2dBm.

*X1

-4dBm.

*X2

-6dBm.

*X3

-8dBm.

» *X4

-10dBm.

*X5

-12dBm.

*X6

-14dBm.

TRELLIS MODULATION

Type:

Configuration

Format:

AT [cmds] *Tn [cmds]

Example:

AT *T1<CR>

Description:

Controls Trellis Coded Modulation.

Command

Function

*T0

Disables TCM.

» *T1

Enables TCM.

XON/XOFF PASS-THROUGH

Type:

Configuration

Format:

AT [cmds] \Xn [cmds]

Example:

AT \X7 O<CR>

Description:

Selects whether XON/XOFF signals are sent to remote modem.

Command

Function

» \X0

XON/XOFF signals trapped by local modem.

\X1

XON/XOFF passed through local modem.