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UTA120

ALPHA TELECOM, INC.

UTA120

Card Type

ISDN TA

Chip Set

Unidentified

I/O Options

Power, ISDN BRI interface via RJ-45 connector, RJ-11 analog port (2),

ISDN U interface via RJ-11 connector, 9-pin data port

ISDN Rate

128Kbps

ISDN Modulation Protocol

V.120, HDLC, PPP

Error Correction/Compression

Unidentified

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Power

CN1

ISDN U interface (RJ-11)

CN5

Telephone line 1 (RJ-11)

CN2

9-pin serial port

CN6

Telephone line 2 (RJ-11)

CN3

Power switch

SW1

ISDN BRI interface (RJ-45)

CN4

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Remote configuration enabled

SW1/1

On

Remote configuration disabled

SW1/1

Off

Local loopback enabled

SW1/2

On

Local loopback disabled

SW1/2

Off

Factory configured - do not alter

SW1/3

Unidentified

Factory configured - do not alter

SW1/4

Unidentified

Factory configured - do not alter

SW1/5

Unidentified

Forced software download enabled

SW1/6

On

Forced software download disabled

SW1/6

Off

S/T TERMINATION SELECTION

Setting

SW1/7

SW1/8

í 100Ohm resistance enabled

On

On

Resistance disabled

Off

Off

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

PWR

Green

On

Power is on

PWR

Green

Off

Power is off

LNE

Green

On

U interface active

LNE

Red

On

U interface inactive

TEL1

Green

On

Analog connection is good on telephone line 1

TEL1

Green

Blinking

Analog connection is being established on telephone line 1

TEL1

Green

Off

Analog connection is broken on telephone line 1

TEL2

Green

On

Analog connection is good on telephone line 2

TEL2

Green

Blinking

Analog connection is being established on telephone line 2

TEL2

Green

Off

Analog connection is broken on telephone line 2

DATA

Green

On

Network connection is good on B-channel 1

DATA

Green

Blinking

Network connection is being established on B-channel 1

DATA

Green

Off

Network connection is broken on B-channel 1

DATA

Red

On

Network connection is good on B-channel 2

DATA

Red

Blinking

Network connection is being established on B-channel 2

DATA

Red

Off

Network connection is broken on B-channel 2

TD

Green

On

Modem is transmitting data

TD

Green

Off

Modem is not transmitting data

RD

Green

On

Modem is receiving data

RD

Green

Off

Modem is not receiving data

DTR

Green

On

Computer is ready

DTR

Green

Off

Computer is not ready

TST

Yellow

On

TA is conducting a test

TST

Yellow

Off

TA is not conducting a test

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/, +++

A, E, Q, V

&C, &Z

S Registers

S0, S1, S2, S3, S4

 

Note: See MHI Help File for full command documentation.

PROPRIETARY AT COMMAND SET

CONFIGURATION PROFILES

Type:

Immediate

Format:

AT [cmds] &V [cmds]

Description:

Displays active, stored, and system configuration profiles and analog port settings

Command

Function

&V0

Display active profile

&V1

Display user profile 1

&V2

Display user profile 2

&V3

Display system parameters and analog port settings

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

&S0

DSR forced high

&S1

DSR high only while modem is handshaking or connected

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Selects modem response to DTR

Command

Function

&D0

DTR override

&D1

DTR toggle causes online command mode

í &D2

Normal DTR operations

&D3

Resets on receipt of DTR

DIAL

Type:

Immediate

Format:

AT [cmds] D<#> [cmds]

Description:

Dials telephone number according to any modifiers included in the string

Note:

Any combination of modifiers can be used to produce the desired dial functions in sequence.

Command

Function

DL

Re-dial last number

DS=n

Dial stored telephone number n (0-3)

FACTORY DEFAULT PROFILE

Type:

Configuration

Format:

AT [cmds] &F [cmds]

Description:

Sets values in active profile to values found in the default profile

Command

Function

&F0

Load active profile the factory profile 0

&F1

Load active profile the factory profile 1

&F2

Load active profile the factory profile 2

&F3

Load active profile the factory profile 3

&F5

Load active profile the factory profile 5

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

í &K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

HOOK CONTROL

Type:

Immediate

Format:

AT [cmds] Hn [cmds]

Description:

Selects whether the modem is on-hook or off-hook

Command

Function

H0

Modem commanded to go on-hook (hang-up)

LAST CALL INFORMATION

Type:

Configuration

Format:

AT [cmds] &Ln [cmds]

Description:

Reports last call information

Command

Function

&L0

Reports information of last call on data port

&L1

Reports information of last call on telephone line 1

&L2

Reports information of last call on telephone line 2

ON-LINE

Type:

Immediate

Format:

AT [cmds] On [cmds]

Description:

Controls on-line command (data transmission) state options.

Command

Function

O0

On-line command mode with no retraining enabled

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports maximum network rate

I1

Reports ROM checksum

I2

Reserved

I3

Reports model ID and version number

RESTORE PROFILE ON POWER-UP

Type:

Configuration

Format:

AT [cmds] &Yn [cmds]

Description:

Restores a selected profile into the active profile on power-up (hard reset)

Command

Function

&Y1

Restore profile 1 on power-up

&Y2

Restore profile 2 on power-up

SELECT CALL PROGRESS RESULT CODES

Type:

Configuration

Format:

AT [cmds] Xn [cmds]

Description:

Enables selection of tone detection and associated result code format options

Command

Function

X0

CONNECT result codes are displayed in short form

í X1

CONNECT result codes are displayed in complete form

X2

VOICE and CONNECT result codes are displayed in complete form

SOFT RESET

Type:

Immediate

Format:

AT [cmds] Zn [cmds]

Description:

Restores modem profiles previously saved in non-volatile RAM using the &W command.

Command

Function

Z1

Restore setting 1

Z2

Restore setting 2

STORE ACTIVE PROFILE

Type:

Configuration

Format:

AT [cmds] &Wn [cmds]

Description:

Writes the values for the active profile into the non-volatile RAM

Command

Function

&W1

Write the active profile to stored profile 1

&W2

Write the active profile to stored profile 2

EXTENDED AT COMMAND SET

B-CHANNEL SELECTION

Type:

Configuration

Format:

AT [cmds] %A3=n [cmds]

Description:

Determines which B-channel will be used for leased line connection

Command

Function

í %A3=1

B1 channel

%A3=2

B2 channel

DATA FORWARDING CHARACTER

Type:

Configuration

Format:

AT [cmds] %L3=n [cmds]

Description:

Defines specified characters as data forwarding characters

Command

Function

%L3=0

No data forwarding character selected

í %L3=2

Carriage return

DATA PROTOCOL

Type:

Configuration

Format:

AT [cmds] %A2=n [cmds]

Description:

Determines rate adaptation protocol on B-channel. %A2? Displays protocol type

Command

Function

%A2=0

HDLC transparent rate adaptation

%A2=1

Asynchronous-to-synchronous PPP protocol

%A2=2

Multi-link PPP

%A2=3

Asynchronous inverse mux

%A2=5

V.120

IDLE TIMER DELAY

Type:

Immediate

Format:

AT [cmds] %L4 [cmds]

Default:

0

Range:

0-255

Unit:

x 50ms

Description:

Sets time delay between characters received from DTE. %L4=0 disables data forwarding on time-out

NUMBERING PLAN

Type:

Configuration

Format:

AT [cmds] %A0=n [cmds]

Description:

Determines rate adaptation protocol on B-channel

Command

Function

í %A0=0

Unknown

%A0=1

ISDN numbering plan selected

 

SPECIAL COMMANDS

ANALOG PORT ATTRIBUTES

Type:

Configuration

Format:

AT [cmds] !Bn=x[cmds]

Description:

Sets analog port attributes. n selects phone port, x selects attribute. !Bn=? queries the attribute of selected port.

Command

Function

!B1=0

Telephone line 1 set to SPEECH

!B1=1

Telephone line 1 set to AUDIO

!B2=0

Telephone line 2 set to SPEECH

!B2=1

Telephone line 2 set to AUDIO

BANDWIDTH RELEASE ON A VOICE CALL REQUEST

Type:

Configuration

Format:

AT [cmds] @M5=n [cmds]

Description:

Enables/disables B-channel release during an MP session when there is a voice call request

Command

Function

@M5=0

Bandwidth release on voice call request disabled

í @M5=1

Bandwidth release on voice call request enabled

CACH/EKTS

Type:

Configuration

Format:

AT [cmds] !E0=n [cmds]

Description:

Disables/enables CACH/EKTS. !E0? queries CACH/EKTS status

Command

Function

!E0=0

CACH/EKTS disabled

!E0=1

CACH/EKTS enabled

CHAP ENCRYPTION

Type:

Configuration

Format:

AT [cmds] @M3=n [cmds]

Description:

Enables/disables CHAP password encryption protocol

Command

Function

í @M3=0

CHAP password encryption protocol disabled

@M3=1

CHAP password encryption protocol enabled

DATA SPID

Type:

Configuration

Format:

AT [cmds] !Cn=x [SPID#]

Description:

Specifies port and data service profile identifier assigned by the ISDN provider. Cn? queries setting

Command

Function

!C0

Sets switch type

!C6

Sets SPID of data port 1

!C7

Sets SPID of data port 2

!C8

Sets SPID of telephone line 1

!C9

Sets SPID of telephone line 2

FEATURE KEYS

Type:

Configuration

Format:

AT [cmds] !F0=nx [cmds]

Range:

n=0 - 255

Description:

Programs feature keys. !F0? queries feature keys

Command

Function

!F0=n1

Sets value for Conference Feature Key. Default value is 60

!F0=n2

Sets value for Transfer Feature Key. Default value is 61

!F0=n3

Sets value for Drop Feature Key. Default value is 62

PERSIST TIME

Type:

Configuration

Format:

AT [cmds] @M9=n [cmds]

Range:

0-255

Unit:

5sec

Description:

Sets the persist time to add or drop a second B-channel

SCREEN INCOMING CALLS

Type:

Configuration

Format:

AT [cmds] !Rn=x [cmds]

Description:

Screens incoming calls for different ports

Command

Function

n=0

Data port call screening

n=1

Analog telephone 1 call screening

n=2

Analog telephone 2 call screening

í x=0

All calls accepted on selected port

x=1

All calls rejected on selected port

x=2

Calls listed in the stored phone directory are accepted on selected port

STORE DIRECTORY NUMBER

Type:

Configuration

Format:

AT [cmds] !Nx=n [cmds]

Range (n):

0 - 24

Unit (n):

0 - 9, *, #

Description:

Store the directory number (n) for the port (x). !N? queries the stored directory numbers

Command

Function

!N0=n

Store the self directory number of data port 1

!N1=n

Store the self directory number of analog telephone port 1

!N2=n

Store the self directory number of analog telephone port 2

!N3=n

Store the self directory number of data port 2

SWITCH TYPE

Type:

Configuration

Format:

AT [cmds] !C0=n [cmds]

Description:

Selects network switch type.

Command

Function

!C0=1

AT&T 5ESS

!C0=2

AT&T or Siemens N1-1

!C0=3

Northern Telecom DMS-100

!C0=4

Northern Telecom NI-1

THROUGHPUT THRESHOLD TO ADD A SECOND CHANNEL

Type:

Configuration

Format:

AT [cmds] @M6=n [cmds]

Range:

0-64

Unit:

Kbits/sec

Description:

Defines the throughput threshold to add a second channel.

Note:

If the throughput is under the threshold for a time defined by @M9 the B-channel will be released. If the throughput is above the threshold, a second call will be established and the TA will attempt to bind the two B-channels together.

THROUGHPUT THRESHOLD TO RELEASE A SECOND CHANNEL

Type:

Configuration

Format:

AT [cmds] @M8=n [cmds]

Range:

0-64

Unit:

Kbits/sec

Description:

Defines the throughput threshold to release a second channel. Persist time defined by @M9

S(status) REGISTERS

BACKSPACE CHARACTER

Type:

Register

Format

AT [cmds] S5=n [cmds]

Range:

0-127

Unit:

ASCII

Description:

Selects a character used for backspace <BS>

NO CARRIER TIME-OUT

Type:

Register

Format

AT [cmds] S7=n [cmds]

Range:

1-50

Unit:

1 second

Description:

Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls.

ESCAPE SEQUENCE GUARD TIME

Type:

Register

Format

AT [cmds] S12=n [cmds]

Default:

10

Range:

0-255

Unit:

.1sec

Description:

Maximum allowable time between escape character sequence initiation and completion for the escape sequence to be executed. A value of 0 disables guard time.

DTR CHANGE THRESHOLD

Type:

Register

Format

AT [cmds] S25=n [cmds]

Default:

2

Range:

0-255

Unit:

.2 second

Description:

Sets maximum time a change in the DTR signal will be ignored