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2814XV-VFC/28V14XV

LOGICODE TECHNOLOGY, INC.

2814XV-VFC/28V14XV

Modem Type

Data (synchronous/asynchronous)/Fax/Voice

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

Fax Class

Class I & II

Data Modulation Protocol

Bell 103A/212A

ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34

Fax Modulation Protocol

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

Error Correction/Compression

MNP10, MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Speaker

CN5

Line in

CN2

Microphone

CN6

RS-232/422

CN3

Power switch

SW1

DC power

CN4

   

Note: SW2 not installed on 28V14XV.

SYNCHRONOUS/ASYNCHRONOUS OPERATION

Setting

SW2/2

SW2/3

Asynchronous operation

On

Off

Synchronous with internal clock

On

Off

Synchronous with external clock

Off

On

Synchronous with slave clock

Off

Off

DSR/DTR FORCED HIGH

Setting

SW2/4

» Normal operation

On

DSR/DTR forced high

Off

COMMAND SET

Setting

SW2/6

V.25bis command set

Off

AT command set

On

REMOTE CONFIGURATION

Setting

SW2/7

Enabled

Off

Disabled

On

CALLBACK SECURITY

Setting

SW2/8

Disabled

Off

Enabled

On

FACTORY CONFIGURED SETTINGS

Switch

Setting

Off

SW2/1

On

SW2/5

DIAGNOSTIC LED(S)

LED

Icon

Status

Condition

AA

AA

On

Auto-answer enabled

AA

AA

Off

Auto-answer disabled

AA

AA

Blinking

Phone is ringing

ST

Pyramid of balls

On

Self test mode

ST

Pyramid of balls

Off

Normal operation

ST

Pyramid of balls

Blinking

Self test failure

RX

Modem left arrow

On

Modem is receiving data

RX

Modem left arrow

Off

Modem is not receiving data

TX

Modem right arrow

On

Modem is transmitting data

TX

Modem right arrow

Off

Modem is not transmitting data

CD

Phone

On

Carrier signal detected

CD

Phone

Off

Carrier signal not detected

HS

Running figure

On

Modem is operating at 4800bps or faster

HS

Running figure

Off

Modem is operating at slower than 4800bps

OH

Crossed out phone

On

Modem is off-hook

OH

Crossed out phone

Off

Modem is on-hook

TR

Box

On

DTR signal is high

TR

Box

Off

DTR signal is low

MS

Box

On

Modem connected at more than 24Kbps

MS

Box

Off

Modem connected at less than 24Kbps

MR

Rectangle

On

Power is on

MR

Rectangle

Off

Power is off

Proprietary AT Command Set

CALLER ID

Type:

Configuration

Format:

AT [cmds] #CID=n [cmds]

Example:

AT #CID=2<CR>

Description:

Controls the Caller ID function.

Command

Function

» #CID=0

Caller ID disabled.

#CID=1

Caller ID displays formatted data.

#CID=2

Caller ID displays raw hexadecimal data.

CALLER ID DISPLAY

Type:

Immediate

Format:

AT [cmds] #CID? [cmds]

Example:

AT#CID?<CR>

Description:

Displays current caller ID status.

BIT-MAPPED REGISTER FACTORY DEFAULTS

Register

Default

S21

4

S23

54

S27

9

S28

0

S29

0

S31

2

S40

105 (MNP models)

S40

107 (non MNP models)

S41

3

BIT-MAPPED REGISTER S22

Format

AT [cmds] S22=n [cmds]

Example:

ATS22=117<CR>

Default:

117

Range:

0-127

Unit:

Bit-mapped

Description:

Controls speaker volume and controls, and limits results codes.

Bit

Value

Function

1, 0

» 01

10

11

On volume.

Medium level volume.

High level volume.

3, 2

00

» 01

10

11

Speaker off.

Speaker off on carrier.

Speaker always on.

Speaker on during handshake.

6, 5, 4

000

100

101

110

» 111

Basic result codes only enabled.

Basic and connection speed result codes enabled.

Basic and connection speed result codes and dialtone detection enabled.

All result codes except dialtone detection enabled.

All result codes enabled.

CALLER ID HELP DISPLAY

Type:

Immediate

Format:

AT [cmds] #CID=? [cmds]

Example:

AT#CID=?<CR>

Description:

Displays modem’s caller ID capability.

CELLULAR TRANSMIT LEVEL

Type:

Register/Immediate

Format:

AT [cmds] S201=n [cmds]

Example:

ATS201=6<CR>

Default:

63

Range:

1-63

Unit:

Unidentified

Description:

Selects cellular transmit level.

DISPLAY CURRENT COMMAND STATUS

Type:

Immediate

Format:

AT [cmds] \S [cmds]

Example:

AT &Z2=9W1-303-555-1212 \S<CR>

Description:

Displays current setting of modem commands.

DISPLAY DELAYED NUMBERS

Type:

Immediate

Format:

*D

Example:

*D<CR>

Description:

Requests the list of delayed numbers from the modem. This is a list of numbers that the modem attempted to call and and failed, and is not allowed to call again until a set amount of time has elapsed. This is usually to prevent repeated dialing of a number (which could indicate an attempted security breach.).

DISPLAY FORBIDDEN NUMBERS

Type:

Immediate

Format:

*B

Example:

*B<CR>

Description:

Requests the list of forbidden numbers from the modem. The modem is unable to dial numbers on this list until its power has been cycled.

DISPLAY STORED NUMBERS

Type:

Immediate

Format:

AT [cmds] \F? [cmds]

Example:

AT \F2=9W1-303-555-1212 \F?<CR>

Description:

Displays all stored phone numbers.

ERROR CORRECTION DISPLAY

Type:

Configuration

Format:

AT [cmds] Wn [cmds]

Example:

AT W0 &W<CR>

Description:

Selects connect display format.

Command

Function

W0

Display serial port speed enabled.

W1

Display line speed, MNP, and serial port speed enabled.

W2

Display line speed enabled.

FAX TRANSMISSION ATTENUATION

Type:

Register

Format:

AT [cmds] S92=n [cmds]

Example:

ATS92=6<CR>

Default:

10

Range:

1- 15

Unit:

1 dBm

Description:

Selects fax attenuation level.

FLASH DIAL MODIFIER TIME

Format

AT [cmds] S29=n [cmds]

Example:

ATS29=0<CR>

Default:

0

Range:

0-255

Unit:

10 ms

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]

Example:

ATS33=20<CR>

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]

Example:

ATS32=20<CR>

Default:

17

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XON.

LOOPBACK TESTS

Format

AT [cmds] S16=n [cmds]

Example:

ATS16=32<CR>

Default:

0

Range:

0 - 125

Unit:

Bit-mapped

Description:

Enables loopback tests.

Note:

Bit 3 is read-only.

Bit

Value

Function

0

» 0

1

Local analog loopback test disabled.

Local analog loopback test enabled.

1

0

Not used.

2

» 0

1

Local digital loopback test disabled.

Local digital loopback test enabled.

3

» 0

1

Modem is not performing remote digital loopback test.

Modem is performing remote digital loopback test.

4

» 0

1

Remote digital loopback test disabled.

Remote digital loopback test enabled.

5

» 0

1

Remote digital loopback with local self-test disabled.

Remote digital loopback with local self-test enabled.

6

» 0

1

Local analog loopback with local self-test disabled.

Local analog loopback with local self-test enabled.

MODULATION SELECTION

Type:

Configuration

Format:

AT [cmds] +MS=xx,y,zzz,aaa [cmds]

Example:

AT +MS11,1,300,28800 &W<CR>

Description:

Sets options for active protocol. The transfer rates specified by z and a must be valid for the protocol selected.

Command

Function

x=0

V.21

x=1

V.22

x=2

V.22bis

x=3

V.23

x=9

V.32

x=10

V.34

» x=11

V.34

x=64

Bell 103A

x=69

Bell 212A

x=74

V.FC

» y=1

Auto-detect highest speed enabled.

y=0

Automode disabled.

z, a=300

Set minimum or maximum transfer rate at 300bps, respectively.

z, a=1200

Set minimum or maximum transfer rate at 1200bps, respectively.

z, a=2400

Set minimum or maximum transfer rate at 2400bps, respectively.

z, a=4800

Set minimum or maximum transfer rate at 4800bps, respectively.

z, a=7200

Set minimum or maximum transfer rate at 7200bps, respectively.

z, a=9600

Set minimum or maximum transfer rate at 9600bps, respectively.

z, a=12000

Set minimum or maximum transfer rate at 12000bps, respectively.

z, a=14400

Set minimum or maximum transfer rate at 14400bps, respectively.

z, a=16800

Set minimum or maximum transfer rate at 16800bps, respectively.

z, a=19200

Set minimum or maximum transfer rate at 19200bps, respectively.

z, a=21600

Set minimum or maximum transfer rate at 21600bps, respectively.

z, a=24000

Set minimum or maximum transfer rate at 24000bps, respectively.

z, a=26400

Set minimum or maximum transfer rate at 26400bps, respectively.

z, a=28800

Set minimum or maximum transfer rate at 28800bps, respectively.

Note: Default for z is 300bps. Default for a is 28800.

MODULATION SELECTION DISPLAY

Type:

Immediate

Format:

AT [cmds] +MS?

Example:

AT +MS? <CR>

Description:

Displays modulation, automode, minimum rate and maximum rate settings

SLEEP TIMER

Format

AT [cmds] S24=n [cmds]

Example:

ATS24=40<CR>

Default:

1

Range:

0 - 255

Unit:

1 second

Description:

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