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EC96

VEN-TEL, INC.

EC96

Modem Type

Data (synchronous/asynchronous)

Maximum Data Rate

9600bps

Data Bus

External

Data Modulation Protocol

Bell 103A/212A

ITU-T V.21, V.22, V.22bis, V.23, V.32, V32bis limited to 12000bps

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

RS-232/422

CN4

Line in

CN2

Power switch

SW3

DC power

CN3

   

CTS SIGNAL

Setting

SW2/1

CTS normal

Off

CTS forced high

On

DCD SIGNAL

Setting

SW2/2

DCD normal

Off

DCD forced high

On

DSR SIGNAL

Setting

SW2/3

DSR normal

Off

DSR forced high

On

AT

Setting

SW2/4

AT command set enabled

Off

At command set disabled

On

LEASED LINE WIRE TYPE

Setting

SW2/5

Two wire

Off

Four wire

On

RESET

Setting

SW2/6

Asynchronous

On

Synchronous

Off

Note: Set to on before powering modem.

DTR SIGNAL

Setting

SW2/7

DTE sends DTR signal

Off

Modem sends DTR signal

On

SIGNAL LEVEL

Setting

J5

Signal ground normal

Open

Set signal ground equal to chassis ground

Closed

RECEIVE CLOCK

Setting

J6

Receive clock on pin 17 disabled

Open

Receive clock on pin 17 enabled

Closed

TRANSMIT CLOCK

Setting

J7

Transmit clock on pin 15 disabled

Open

Transmit clock on pin 15 enabled

Closed

FACTORY CONFIGURED SETTINGS

JUMPER

SETTING

J1

Open

J2

Open

J3

Open

J4

Open

SW2/8

N/A

SW1

Not used (may not exist on all boards)

DIAGNOSTIC LED(S)

LED

Color

Status

Mode

Condition

HS

Green

On

N/A

Modem is operating at 7200bps or faster

HS

Red

On

N/A

Modem is operating at 1200bps or 2400bps

HS

Green/Red

Blinking

N/A

E-Mail messages stored

HS

N/A

Off

N/A

Modem is operating at slower than 1200bps

AA

Red

On

Off-line

Auto-answer enabled

AA

Red

Off

Off-line

Auto-answer disabled

AA

N/A

Blinking

Off-line

Phone is ringing

AA

Green

On

On-line

Modem is using TCM modulation

AA

Green

Blinking

On-line

Modem is training TCM modulation

AA

Red

On

On-line

Modem is using QAM or FSK modulation

AA

Red

Blinking

On-line

Modem is training QAM or FSK modulation

AA

Green/Red

Blinking

On-line

Remote modem has initiated a retrain

AA

Green/Off

Blinking

On-line

Local modem has initiated a retrain

CD

Red

On

N/A

Carrier signal detected

CD

Red

Off

N/A

Carrier signal not detected

OH

Red

On

N/A

Modem is off-hook

OH

Red

Off

N/A

Modem is on-hook

RD

Red

On

N/A

Modem is receiving data

RD

Red

Off

N/A

Modem is not receiving data

SD

Red

On

N/A

Modem is transmitting data

SD

Red

Off

N/A

Modem is not transmitting data

TR

Red

On

N/A

DTR signal is high

TR

Red

Off

N/A

DTR signal is low

MR/EC

Red

On

Off-line

Power on

MR/EC

Red

Blinking

Off-line

Off-line diagnostic test has failed

MR/EC

N/A

Off

Off-line

Power off

MR/EC

Red

Blinking

On-line

On-line diagnostic test in progress

OR

Modem is in ROAD mode

MR/EC

Green

On

On-line

Error correction activated

MR/EC

Green

Blinking

On-line

Error correction activated and modem is in ROAD mode

MR/EC

N/A

Off

On-line

Error correction disabled

Proprietary Command Set

APPEND CARRIAGE RETURN

Type:

Configuration

Format:

AT [cmds] %Gn [cmds]

Example:

AT %G1 &W<CR>

Description:

Appends carriage return to result codes.

Command

Function

%G0

Append carriage return disabled.

%G1

Append carriage return enabled.

BELL 202

Format

AT [cmds] S70=n [cmds]

Example:

ATS70=4<CR>

Default:

Unidentified

Range:

0 -4

Unit:

Bit-mapped

Description:

Disables bell 202 mode.

Bit

Value

Function

0

0

Not used.

1

0

Not used.

2

0

1

Bell 202 enabled

Bell 202 disabled

CHARACTER LENGTH

Type:

Configuration

Format:

AT [cmds] \Fn [cmds]

Example:

AT \F3<CR>

Description:

Sets length of character.

Command

Function

\F0

8 data bits, 1 stop bit, null parity.

\F1

8 data bits, 1 stop bit, odd parity.

\F2

8 data bits, 1 stop bit, even parity.

\F3

8 data bits, 2 stop bits, null parity.

\F4

7 data bits, 1 stop bit, null parity.

\F5

7 data bits, 1 stop bit, odd parity.

\F6

7 data bits, 1 stop bit, even parity.

\F7

7 data bits, 2 stop bits, null parity.

\F8

7 data bits, 2 stop bits, odd parity.

\F9

7 data bits, 2 stop bits, even parity.

\F10

Set character length to register S13.

COMMUNICATION PROTOCOL

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Example:

AT B1 %B5<CR>

Description:

Selects the communication protocol for data calls.

Command

Function

B1

Bell protocols.

B0

ITU-T protocols.

COMPRESSION

Type:

Configuration

Format:

AT %Cn

Example:

AT %C0 *Y1<CR>

Description:

Selects data compression.

Command

Function

%C0

Data compression disabled.

%C1

Data compression enabled.

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Example:

AT \N1 DT555-1212<CR>

Description:

Sets connect mode.

Command

Function

\N1

Direct mode.

\N0

Normal mode.

\N2

Reliable mode.

\N3

Auto-reliable mode.

CONNECTION SPEED RESTRICT

Type:

Configuration

Format:

AT [cmds] *Cn [cmds]

Example:

AT *C1 DT555-1212<CR>

Description:

Limits speed of connection to last detected DTE speed or lower.

Command

Function

*C0

Disabled.

*C1

Enabled.

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.

DTR DIALING

Type:

Configuration

Format:

AT [cmds] %Dn [cmds]

Example:

AT %D1 DT555-1212<CR>

Description:

Turns DTR dialing on and off.

Command

Function

%D0

DTR dialing disabled.

%D1

DTR dialing enabled.

ERROR CORRECTION MODE

Type:

Configuration

Format:

AT [cmds] *Yn [cmds]

Example:

AT *Y1 %C1<CR>

Description:

Selects active error-correction protocols.

Command

Function

*Y0

Auto-detect mode.

*Y1

MNP and V.42bis enabled.

*Y2

V.42bis only enabled.

*Y3

MNP only enabled.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] %Fn [cmds]

Example:

AT %F1 &K3<CR>

Description:

Selects flow control.

Command

Function

%F1

Flow control enabled for DTE and DCE

%F0

Flow control disabled.

%F2

Flow control enabled.

FLOW CONTROL PASSTHROUGH

Type:

Configuration

Format:

AT [cmds] *Pn [cmds]

Example:

AT *P0 &W<CR>

Description:

Allows modem to act on, then transmit XON/XOFF characters.

Command

Function

*PO

Passthrough enabled.

*P1

Passthrough disabled.

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,\Q1,\Q2

XON/XOFF flow control enabled.

\Q3

CTS/RTS flow control enabled.

INACTIVITY TIMER

Type:

Register

Format:

AT [cmds] \Tn [cmds]

Example:

AT\T20<CR>

Default:

0

Range:

0-255

Unit:

1 second

Description:

Sets the length of time that the modem does not receive information before it disconnects.

INITIALIZATION STRING

Type:

Configuration

Format:

AT [cmds] *Vn=<cmds>

Example:

AT *V1=ATS11=45 M0<CR>

Description:

Stores string to be executed on power up or reset.

INITIALIZATION STRING DISPLAY

Type:

Immediate

Format:

AT [cmds] *V?

Example:

AT *V?<CR>

Description:

Displays stored strings to be executed on power up or reset.

LEASED LINE BACK UP STATION ID

Type:

Configuration

Format:

AT [cmds] #En [cmds]

Example:

AT *D1 *L2 #E1<CR>

Description:

Allows modem to send and receive leased line back up ID.

Command

Function

#E0

Disabled.

#E1

Enabled.

LEASED LINE DIAL BACKUP

Type:

Configuration

Format:

AT [cmds] *Dn [cmds]

Example:

AT *D1 *L2 #E1<CR>

Description:

Automatically establishes switched line connection if leased line fails

Command

Function

*D0

Disabled.

*D1

Enabled.

LEASED LINE RECEIVE ATTENUATION

Type:

Configuration

Format:

AT [cmds] %Ln [cmds]

Example:

AT %L1 &W<CR>

Description:

Sets the attenuation for reception when in leased-line mode.

Command

Function

%L2

0 to -26 dB

%L0

0 to -43 dB

%L1

0 to -33 dB

%L3

0 to -16 dB

LEASED LINE RECOVERY DELAY

Type:

Configuration

Format:

AT [cmds] *Ln [cmds]

Example:

AT *D1 *L2 #E1<CR>

Description:

After leased line failure, modem attempts to reconnect after specified delay.

Command

 
*L0

Disabled.

*L1

5 minute delay.

*L2

15 minute delay.

*L3

30 minute delay.

*L4

60 minute delay.

LEASED LINE STATION ID RECEIVE

Type:

Configuration

Format:

AT [cmds] #Qxxxx [cmds]

Example:

AT #Q0234567891 &W<CR>

Default:

None

Range:

ASCII

Unit:

Up to ten characters

Description:

Sets leased line backup receive station ID.

LEASED LINE STATION ID TRANSMIT

Type:

Configuration

Format:

AT [cmds] #Tn [cmds]

Example:

AT #T0234567891 &W<CR>

Default:

None

Range:

ASCII

Unit:

Up to ten characters

Description:

Sets leased line backup transmit station ID.

LEASED LINE TRANSMISSION ATTENUATION

Type:

Configuration

Format:

AT [cmds] %Tn [cmds]

Example:

AT %T12<CR>

Default:

15

Range:

0 - 15

Unit:

1 dB

Description:

Sets the attenuation for transmission when in leased-line mode.

LINE SPEED

Type:

Configuration

Format:

AT [cmds] %Bn [cmds]

Example:

AT B1 %B5<CR>

Description:

Sets line speed

Command

Mode

Function

%B0

Bell

9600bps V.32 Trellis encoding

%B0

ITU-T

9600bps V.32 Trellis encoding

%B1

Bell

9600bps V.32

%B1

ITU-T

9600bps V.32

%B2

Bell

2400 bps v.22bis

%B2

ITU-T

2400 bps v.22bis

%B3

Bell

1200bps V.22

%B3

ITU-T

1200bps V.22

%B4

Bell

300bps V.21

%B4

ITU-T

300bps V.21

%B5

Bell

9600/2400/1200/300bps

%B5

ITU-T

9600/2400/1200/300bps

%B6

Bell

9600/2400/1200

%B6

ITU-T

9600/2400/1200

%B7

Bell

9600/2400

%B7

ITU-T

9600/2400

%B8

Bell

1200bps V.23 HDX

%B8

ITU-T

1200bps V.23 HDX

%B9

ITU-T

Transmit 1200bps, receive 75bps local serial port speed follows connect speed

%B10

ITU-T

Transmit 75bps, receive 1200bps local serial port speed follows connect speed

%B11

ITU-T

Transmit 1200bps, receive 75bps local serial port speed independent of connect speed

%B12

ITU-T

Transmit 75bps, receive 12000bps local serial port speed independent of connect speed

NEGOTIATE LINE SPEED

Type:

Configuration

Format:

AT [cmds] %Qn [cmds]

Example:

AT %Q1 &W<CR>

Description:

Allows modem to negotiate down to Bell 202/V.23 while in answer mode

Command

Function

%Q0

Bell 202/V.23 mode disabled.

%Q1

Substitute 300bps modes with Bell 202/V.23 when answering.

NRZI

Type:

Configuration

Format:

AT [cmds] &Nn [cmds]

Example:

AT &N1 O<CR>

Description:

Configures DTE non return to zero interface

Command

 

&N0

NRZ command and connect modes.

&N1

NRZI command and connect modes.

&N2

NRZ command, NRZI connect

&N3

NRZI command, NRZ connect

PULSE MODE INTERDIGIT DELAY

Type:

Configuration

Format:

AT [cmds] %Pn [cmds]

Example:

AT %N1 %P1 P<CR>

Description:

Sets interval between digits in pulse mode.

Command

Function

%P0

750ms

%P1

650ms

%P2

850ms

PULSES PER DIGIT

Type:

Configuration

Format:

AT [cmds] %Nn [cmds]

Example:

AT %N1 %P1 P<CR>

Description:

Sets the number of pulses per digit dialed while in pulse mode.

Command

Function

%N0

Digit value is number of pulses (0 digit generates 10 pulses).

%N1

Digit value minus ten pulses generated (0 digit generates 10 pulses).

%N2

Digit value plus one pulses generated (0 digit generates 1 pulse).

REDIAL

Type:

Configuration

Format:

AT [cmds] *Rn

Example:

AT *R0<CR>

Default:

0

Range:

0-9

Unit:

1 redial

Description:

Automatically redials next number n times.

REDIAL ABORT

Type:

Immediate

Format:

AT [cmds] \H [cmds]

Example:

AT \H<CR>

Description:

Stops redial.

REDIAL LAST NUMBER

Type:

Immediate

Format:

AT [cmds] *R

Example:

AT *R<CR>

Description:

Redials last number dialed.

RESET MODEM TO STORED PROFILE

Type:

Immediate

Format:

AT [cmds] %Sn [cmds]

Example:

AT%S6<CR>

Description:

Resets modem to stored profile.

RESULT CODE FORMAT

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Example:

AT \V0 Q0<CR>

Description:

Selects word or numeric format for information-text and result codes.

Command

Function

\V1

Numeric format enabled.

\V0

Verbose (word) format enabled.

ROAD INITIATE

Type:

Immediate

Format:

AT [cmds] *U [cmds]

Example:

AT *B0 *U O<CR>

Description:

Commands the modem to transmit stored Remote Access Options and Downloading key. The modem must have already connected.

ROAD KEY CUSTOMIZE

Type:

Configuration

Format:

AT [cmds] *A^x^x^x^x [cmds]

Example:

AT *A^M^H^I^I &W<CR>

Description:

Sets the key for Remote Options Access and Downloading (^ indicates ctrl key depressed). The default is ^R^O^A^D.

ROAD KEY ENABLE

Type:

Configuration

Format:

AT [cmds] *Bn [cmds]

Example:

AT *B0 *U O<CR>

Description:

Enables Remote Options Access and Downloading.

Command

Function

*B0

R.O.A.D. disabled.

*B1

R.O.A.D. enabled.

S-REGISTER DISPLAY

Type:

Immediate

Format:

AT [cmds] %R [cmds]

Example:

AT %R &W<CR>

Description:

Display contents of all S-registers.

SOFTWARE SETUP

Type:

Configuration

Format:

AT [cmds] *Sn [cmds]

Example:

AT *S1<CR>

Description:

Configures modem to communicate with specific communications software.

Command

Function

*S0

Normal mode, Crosstalk compatible.

*S1

Smartcom II Ver. 3.0 compatible.

*S3

Smartcom III Ver. 1.0 compatible.

*S4

AS400 HDLC dialer EIA handler.

TEST/BUSY OUT

Type:

Configuration

Format:

AT [cmds] *Tn [cmds]

Example:

AT *T1 &W<CR>

Description:

Configures pin 25 for testing or busy out.

Command

Function

*T0

Disabled.

*T1

Enable ALB w/self test when pin 25 is true.

*T2

Enable busy out when pin 25 is true.

TIME AND DATE DISPLAY

Type:

Immediate

Format:

AT [cmds] \D? [cmds]

Example:

AT \D0=12:30 \D1=03/26 \D?<CR>

Description:

Display time and date.

TIME AND DATE SET

Type:

Configuration

Format:

AT [cmds] \Dn=xxxx [cmds]

Example:

AT \D0=12:30 \D1=03/26 \D?<CR>

Description:

Sets time and date.

Command

Function

\D0

Set time.

\D1

Set date.

TURBO MODE

Format

AT [cmds] S94;5=n [cmds]

Example:

ATS94;5=1<CR>

Default:

None

Range:

0-16

Unit:

Bit-mapped

Description:

Allows 12Kbps connection with compatible remote modem.

Bit

Value

Function

5

0

1

Enabled.

Disabled.

V.25

Type:

Configuration

Format:

AT [cmds] V.25

Example:

AT V.25<CR>

Description:

Enables V.25bis mode.

V.25bis COMMAND MODE SPEED

Type:

Configuration

Format:

AT [cmds] *Wn [cmds]

Example:

AT *W0 &W<CR>

Description:

V.25bis mode only. DTE sets off line speed for sync command processing.

Command

Function

*W0

Last auto baud speed, 9600bps if none.

*W1

1200bps.

*W2

2400bps.

*W3

4800bps.

*W4

9600bps.

*W5

19.2Kbps.

*W6

38.4Kbps.

*W7

Use pin 24 external clock control.

V.32bis FALLBACK

Format

AT [cmds] S94=n [cmds]

Example:

ATS94=40<CR>

Default:

Unidentified

Range:

0 - 16

Unit:

Bit-mapped

Description:

Controls limited V.32bis 12,000bps .operation

Bit

Value

Function

0

0

Not used.

1

0

Not used.

2

0

Not used.

3

0

Not used.

4

0

Not used.

5

0

1

12,000bps limited V.32bis capability disabled.

12,000bps limited V.32bis capability enabled.

Proprietary V.25bis Command Set

AT COMMAND SET

Type:

Immediate

Format:

ATC

Example:

ATC<CR>

Description:

Switch to AT command set.

CALL REQUESTED NUMBER AND TRANSMIT STATION ID

Type:

Configuration

Format:

CRI <#>;xxxx

Example:

CRI 487-3289; 1234567890 <CR>

Description:

Modem phone number, then transmits station ID after connection

CLEAR STORED NUMBER

Type:

Configuration

Format:

CLAnn

Example:

CRI 07 <CR>

Description:

Deletes number stored at memory location n.

DISPLAY STORED NUMBERS

Type:

Immediate

Format:

RLNn

Example:

RLN2<CR>

Description:

Display insecure number in memory location n. If no number is given, all insecure numbers will be displayed.

REDIAL

Type:

Immediate

Format:

DLN

Example:

DLN<CR>

Description:

Redial last number dialed by CRN command.

STATION ID SET

Type:

Configuration

Format:

PRInnn;<#>;xxxx

Example:

PRI 011; 487-3289; 1234567890 <CR>

Description:

Records station ID

Proprietary V.25bis Result Codes

STATION ID LIST

Type:

Result code

Format:

LSIxxxx

Example:

LSI 2345678901

Description:

Displays station ID.

STORED NUMBERS LIST

Type:

Result code

Format:

LSNxxxx

Example:

LSN 443-3388

Description:

Displays stored numbers. xxxx may specify a memory location, phone number, or status. If no code was specified with RLN, all stored numbers are displayed.