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MT64ISDN/C

MULTI-TECH SYSTEMS, INC.

MT64ISDN/C

Card Type

ISDN TA

Chip Set

Unidentified

Transfer Rate

56Kbps/64Kbps x 2

Data Bus

Unidentified

ISDN Protocols

SAP, T-Link, V.120, PPP

Switch Types

5ESS, NI-1, DMS-100, NEC

Proprietary AT Command Set

V2158

AUTO-ANSWER

Type:

Configuration

Format:

AT [cmds] _Jn [cmds]

Description:

Selects whether the TA can auto-answer incoming calls.

Command

Function

_J0

Auto-answer disabled.

í _J1

Auto-answer enabled.

AUTO-ANSWER

Type:

Register

Format:

AT [cmds] S0=n [cmds]

Description:

Selects whether the TA can auto-answer incoming calls.

Command

Function

S0=0

Auto-answer disabled.

í S0=1

Auto-answer enabled.

S0=2

Auto-answer enabled only when DTR is high.

BIT-MAPPED REGISTER S14

Format:

AT [cmds] S14=n [cmds]

Default:

Unidentified

Range:

60

Description:

Controls command echo, result codes, and serial port speed locking.

Bit

Value

Function

1-0

00

Not used.

2

0

í 1

Command echo enabled.

Command echo disabled.

3

í 0

1

Result codes enabled.

Result codes disabled.

4

0

í 1

Result codes in numeric form.

Result codes in verbose form.

5

0

1

Local serial port speed follows connect speed.

Local serial port speed locked.

BONDED CALL

Type:

Register

Format:

AT [cmds] S59=n [cmds]

Description:

Selects whether the TA will attempt to make a bonded call.

Command

Function

S59=3

Call bonding disabled.

S59=5

Call bonding enabled.

BONDED CALL - ANSWERING TIMEOUT

Type:

Register

Format:

AT [cmds] S44=n [cmds]

Default:

10

Range:

0 - 255

Unit:

1 second

Description:

Sets the time when answering a call that the TA will wait for the remote TA to send the bond negotiation before it disconnects.

BONDED CALL - CAPACITY TIMEOUT

Type:

Register

Format:

AT [cmds] S45=n [cmds]

Default:

5

Range:

0 - 255

Unit:

1 second

Description:

Sets the time that the TA will wait to agree with the remote TA on channel capacities before it disconnects.

BONDED CALL - EQUALIZATION TIMEOUT

Type:

Register

Format:

AT [cmds] S43=n [cmds]

Default:

50

Range:

0 - 255

Unit:

1 second

Description:

Sets the time that the TA will wait for the two channels of a bonded call to be equalized before it disconnects.

BONDED CALL - FRAME PATTERN TIMEOUT

Type:

Register

Format:

AT [cmds] S41=n [cmds]

Default:

10

Range:

0 - 255

Unit:

1 second

Description:

Sets the time that the TA will wait during the bond frame pattern before it disconnects.

BONDED CALL - ORIGINATION TIMEOUT

Type:

Register

Format:

AT [cmds] S40=n [cmds]

Default:

10

Range:

0 - 255

Unit:

1 second

Description:

Sets the time when originating a call that the TA will wait for the remote TA to send the bond negotiation before it disconnects.

BONDED CALL - SECOND CALL TIMEOUT

Type:

Register

Format:

AT [cmds] S42=n [cmds]

Default:

50

Range:

0 - 255

Unit:

1 second

Description:

Sets the time that the TA will wait for the second call of a bonded call to be completed before it disconnects.

CALL TYPE

Type:

Register

Format:

AT [cmds] S53=n [cmds]

Description:

Selects what type of call is to be made.

Command

Function

S53=0

Speech call.

S53=1

Audio call.

S53=2

56Kbps data call.

S53=3

64Kbps data call.

CD SIGNAL

Type:

Configuration

Format:

AT [cmds] &Cn [cmds]

Description:

Controls the behaviour of the CD signal.

Command

Function

&C0

CD forced high.

&C1

CD normal.

&C2

CD forced low on disconnect.

&C3

CD forced low when there is no connection.

CD SIGNAL

Type:

Register

Format:

AT [cmds] S33=n [cmds]

Description:

Controls the behaviour of the CD signal.

Command

Function

S33=0

CD forced high.

S33=1

CD normal.

S33=2

CD forced low on disconnect.

S33=3

CD forced low when there is no connection.

CLOCK SOURCE

Type:

Register

Format:

AT [cmds] S76=n [cmds]

Description:

Selects where the TA derives the transmit clock.

Command

Function

S76=0

TA uses internal clock source.

í S76=1

DTE generates clock source.

CLOCK SOURCE - ISDN

Type:

Configuration

Format:

AT [cmds] _Xn [cmds]

Description:

Selects where the TA derives the ISDN U clock.

Command

Function

_X0

TA uses network as clock source.

í _X1

TA generates clock source.

CLOCK SOURCE - ISDN

Type:

Register

Format:

AT [cmds] S51=n [cmds]

Description:

Selects where the TA derives the ISDN U clock.

Command

Function

S51=0

TA uses network as clock source.

í S51=1

TA generates clock source.

COMMAND SET

Type:

Immediate

Format:

AT [cmds] _Un [cmds]

Description:

Selects the command set that will be used.

Command

Function

_U0

Command sets disabled.

_U1

AT command set enabled.

_U2

V.25bis command set enabled.

COMMAND SET - AT

Type:

Immediate

Format:

AT [cmds] S55=n [cmds]

Description:

Selects the command set that will be used.

Command

Function

S55=2

AT command set enabled.

S55=3

AT command set disabled.

CONNECT TIME

Type:

Register

Format:

AT [cmds] S7=n [cmds]

Default:

Unidentified

Range:

0-240

Unit:

1 second

Description:

Selects the amount of time the TA will wait for an outgoing call to connect.

CTS SIGNAL

Type:

Configuration

Format:

AT [cmds] &Rn [cmds]

Description:

Controls the behaviour of the CTS signal.

Command

Function

&R0

CTS follows RTS.

í &R1

CTS forced high.

CTS SIGNAL

Type:

Register

Format:

AT [cmds] S30=n [cmds]

Description:

Controls the behaviour of the CTS signal.

Command

Function

S30=0

CTS follows RTS.

í S30=1

CTS forced high.

DATA LENGTH

Type:

Configuration

Format:

AT [cmds] _Wn [cmds]

Description:

Selects the length of the data word.

Command

Function

_W0

7 bit word length.

í _W1

8 bit word length.

DATA LENGTH

Type:

Configuration

Format:

AT [cmds] S72=n [cmds]

Description:

Selects the length of the data word.

Command

Function

S72=0

8 bit word length.

í S72=1

7 bit word length.

DATA PARITY

Type:

Configuration

Format:

AT [cmds] _On [cmds]

Description:

Selects the format of the parity bit.

Command

Function

_O0

Even parity.

_O1

Mark parity.

_O2

Odd parity.

í _O3

No parity.

DATA PARITY

Type:

Configuration

Format:

AT [cmds] S73=n [cmds]

Description:

Selects the format of the parity bit.

Command

Function

í S73=0

No parity.

S73=1

Odd parity.

S73=2

Even parity.

DATA STOP

Type:

Configuration

Format:

AT [cmds] _Qn [cmds]

Description:

Selects the number of stop bits.

Command

Function

_Q0

One stop bit.

í _Q1

Two stop bits.

DATA STOP

Type:

Configuration

Format:

AT [cmds] S74=n [cmds]

Description:

Selects the number of stop bits.

Command

Function

S74=0

One stop bit.

S74=1

One and a half stop bits.

í S74=2

Two stop bits.

DIAL STORED NUMBER

Type:

Immediate

Format:

AT [cmds] DTSn [cmds]

Description:

Dials the number stored in memory location n.

DISPLAY CALLER ID

Type:

Immediate

Format:

AT [cmds] &Nn [cmds]

Description:

Reads the remote TAs telephone number.

Command

Function

&N1

Reads the remote TAs first SPID.

&N2

Reads the remote TAs second SPID.

DISPLAY STORED NUMBER

Type:

Register

Format:

AT [cmds] SS8n? [cmds]

Description:

Displays the number stored in memory location n.

DSR SIGNAL

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Controls the behaviour of the DSR signal.

Command

Function

&S0

DSR forced high.

í &S1

DSR normal.

&S2

DSR forced low when there is no connection.

&S3

DSR forced low in Dialup mode.

DSR SIGNAL

Type:

Register

Format:

AT [cmds] S32=n [cmds]

Description:

Controls the behaviour of the DSR signal.

Command

Function

S32=0

DSR forced high.

í S32=1

DSR normal.

S32=2

DSR forced low when there is no connection.

S32=3

DSR forced low in Dialup mode.

DSR SIGNAL - TEST MODE

Type:

Immediate

Format:

AT [cmds] _Cn [cmds]

Description:

Controls the behaviour of the DSR signal when in a test mode.

Command

Function

í _C0

DSR forced low.

_C1

DSR forced high.

DTR SIGNAL

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Controls the behaviour of the DTR signal.

Command

Function

&D0

DTR forced high.

&D1

TA enters command mode when DTR goes low.

&D2

TA hangs up and returns to command mode when DTR goes low.

DTR SIGNAL

Type:

Register

Format:

AT [cmds] S34=n [cmds]

Description:

Controls the behaviour of the DTR signal.

Command

Function

S34=0

DTR forced high.

S34=1

TA enters command mode when DTR goes low.

S34=2

TA hangs up and returns to command mode when DTR goes low.

S34=4

TA hangs up on an incoming call and returns to command mode when DTR goes low.

S34=8

TA hangs up on an outgoing call and returns to command mode when DTR goes low.

ECHO TONE

Type:

Register

Format:

AT [cmds] S56=n [cmds]

Description:

Selects whether an echo tone will be used.

Command

Function

S56=0

Echo tone disabled.

S56=1

Echo tone enabled on answer only.

S56=2

Echo tone enabled on originate only.

S56=3

Echo tone enabled.

ERROR COUNTER

Type:

Immediate

Format:

AT [cmds] _Vn [cmds]

Description:

Increments or clears the error counter for test modes.

Command

Function

_V0

Clears the error counter.

_V1

Increments the error counter by introducing an error into the test pattern.

ESCAPE SEQUENCE - OUT OF BAND

Type:

Immediate

Format:

<BREAK> AT [cmds]<CR>

Description:

Puts the modem in Command Mode.

Notes:

Do not precede this command with AT.

<BREAK> refers to the hardware modem break signal.

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

Description:

Selects the type of flow control that will be used.

Command

Function

í \Q0

Flow control disabled.

\Q1

XON/XOFF flow control enabled.

\Q2

CTS flow control enabled.

\Q3

RTS/CTS flow control enabled.

INCOMING CALLS

Type:

Register

Format:

AT [cmds] S58=n [cmds]

Description:

Selects which calls the TA will answer.

Command

Function

S58=0

All calls will be answered.

S58=1

Only calls from stored numbers will be answered.

LDN

Type:

Configuration

Format:

AT [cmds] _Nn [cmds]

Description:

Selects which LDN will be used.

Command

Function

_N0

Select LDN 1.

_N1

Select LDN 2.

LDN 1 SET

Type:

Configuration

Format:

AT [cmds] SS62=<#> [cmds]

Description:

Sets the first LDN.

LDN 2 SET

Type:

Configuration

Format:

AT [cmds] SS63=<#> [cmds]

Description:

Sets the second LDN.

LINE TYPE

Type:

Configuration

Format:

AT [cmds] &Ln [cmds]

Description:

Selects the type of line the TA is connected to.

Command

Function

&L0

Standard dial-out ISDN.

&L1

Leased-line ISDN.

&L2

Leased-line ISDN, dial backup enabled.

LINE TYPE

Type:

Configuration

Format:

AT [cmds] S50=n [cmds]

Description:

Selects the type of line the TA is connected to.

Command

Function

S50=0

Standard dial-out ISDN.

S50=1

Leased-line ISDN.

LOCAL SERIAL PORT SPEED

Type:

Configuration

Format:

AT [cmds] %Kn [cmds]

Description:

Selects the speed of the serial port.

Command

Function

%K0

Selects 300bps speed.

%K1

Selects 1200bps speed.

LOCAL SERIAL PORT SPEED

Type:

Configuration

Format:

AT [cmds] S71=n [cmds]

Description:

Selects the speed of the serial port.

Command

Function

S71=1

Selects 300bps speed.

S71=3

Selects 1200bps speed.

S71=6

Selects 2400bps speed.

S71=8

Selects 4800bps speed.

S71=11

Selects 9600bps speed.

S71=15

Selects 19.2Kbps speed.

S71=17

Selects 38.4Kbps speed.

S71=18

Selects 48Kbps speed.

S71=19

Selects 56Kbps speed.

S71=20

Selects 57.6Kbps speed.

S71=21

Selects 64Kbps speed.

S71=22

Selects 112Kbps speed.

S71=23

Selects 115.2Kbps speed.

S71=24

Selects 128.8Kbps speed.

LOCK SERIAL PORT SPEED - T-LINK

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Selects whether the TA will negotiate the serial port speed when using the T-Link protocol.

Command

Function

L0

Serial port speed locked.

í L1

TA will negotiate serial port speed.

LOOPBACK TEST

Type:

Register

Format:

AT [cmds] S57=n [cmds]

Description:

Selects what types of loopback tests the TA will use.

Command

Function

S57=0

Loopback testing disabled.

S57=1

TA will perform DDS latching loopback test.

S57=2

TA will perform V.54 loopback test.

S57=3

TA will perform V.54 and DDS latching loopback tests.

PRODUCT ID

Type:

Register

Format:

AT [cmds] S78=n [cmds]

Description:

Sets the Product ID.

PROTOCOL

Type:

Register

Format:

AT [cmds] S54=n [cmds]

Description:

Selects what type of protocol the TA will use.

Command

Function

S54=1

TA will use clear channel.

S54=2

TA will use Bonding Mode 1.

S54=3

TA will use SAP.

S54=4

TA will use T-Link.

S54=6

TA will use V.120.

S54=9

TA will use 57.6Kbps asynchronous.

S54=11

TA will fall back to common protocol.

S54=12

TA will use PPP.

RESET TO FACTORY DEFAULTS

Type:

Immediate

Format:

AT [cmds] &Fn [cmds]

Description:

Resets the TAs configuration to one of the factory default setups.

Command

Function

&F0

Resets to default configuration.

&F1

Resets to 56Kbps synchronous setup.

&F2

Resets to 64Kbps synchronous setup.

&F3

Resets to 112Kbps synchronous setup.

&F4

Resets to 128Kbps synchronous setup.

&F5

Resets to 128Kbps leased-line setup.

&F6

Resets to 128Kbps LDM Master setup.

&F7

Resets to 57.6Kbps asynchronous setup.

&F8

Resets to 115.2Kbps asynchronous setup.

&F9

Resets to 57.6Kbps asynchronous setup with fallback.

RESULT CODES - SPEED

Type:

Register

Format:

AT [cmds] S22=n [cmds]

Description:

Selects whether CONNECT messages will display connect speed.

Command

Function

S22=0

Speed will not be displayed.

S22=224

Speed will be displayed.

RTS TO CTS DELAY

Type:

Configuration

Format:

AT [cmds] _Dn [cmds]

Description:

Selects the delay when CTS follows RTS.

Command

Function

í _D0

Set delay to 1ms.

_D1

Set delay to 18ms.

RTS TO CTS DELAY

Type:

Register

Format:

AT [cmds] S31=n [cmds]

Description:

Selects the delay when CTS follows RTS.

Command

Function

í S31=0

Set delay to 1ms.

S31=1

Set delay to 18ms.

SPID

Type:

Configuration

Format:

AT [cmds] _In [cmds]

Description:

Selects which SPID will be used.

Command

Function

_I0

Select SPID 1.

_I1

Select SPID 2.

SPID 1 SET

Type:

Configuration

Format:

AT [cmds] SS60=<#> [cmds]

Description:

Sets the first SPID.

SPID 2 SET

Type:

Configuration

Format:

AT [cmds] SS61=<#> [cmds]

Description:

Sets the second SPID.

STORE NUMBER IN MEMORY

Type:

Register

Format:

AT [cmds] SS8n=<#> [cmds]

Description:

Stores a number in memory location n.

SWITCH TYPE

Type:

Configuration

Format:

AT [cmds] _Sn [cmds]

Description:

Selects what type of switch the TA is connected to.

Command

Function

_S0

5ESS switch type.

_S1

DMS100 switch type.

_S2

National type 1 switch.

_S3

NEC switch type.

SWITCH TYPE

Type:

Configuration

Format:

AT [cmds] S52=n [cmds]

Description:

Selects what type of switch the TA is connected to.

Command

Function

S52=0

5ESS switch type.

S52=1

DMS100 switch type.

S52=2

National type 1 switch.

S52=3

NEC switch type.

SYNC/ASYNC MODE

Type:

Immediate

Format:

AT [cmds] &Qn [cmds]

Description:

Selects synchronous or asynchronous mode.

Command

Function

&Q0

Selects asynchronous mode.

&Q2

Selects synchronous mode.

SYNC/ASYNC MODE

Type:

Immediate

Format:

AT [cmds] S70=n [cmds]

Description:

Selects synchronous or asynchronous mode.

Command

Function

S70=0

Selects asynchronous mode.

S70=2

Selects synchronous mode.

TEST MODES

Type:

Immediate

Format:

AT [cmds] &Tn [cmds]

Description:

Puts the TA into test modes.

Command

Function

&T0

Ends test in progress.

&T1

Displays all test errors.

&T2

Displays totals on tests.

&T3

Begins local loopback test.

&T4

Begins network loopback test.

&T5

Begins protocol loopback test.

&T6

Begins remote loopback test.

&T7

Begins remote test.

&T8

Denies request for remote loopback test.

&T9

Grants request for remote loopback test.

&T10

Grants request for remote V.54 loopback test.

&T11

Grants request for remote DDS latching and V.54 loopback test.

&T12

Displays near- and far-end block error information.

TEST STATUS

Type:

Register (Read-only)

Format:

AT [cmds] S49? [cmds]

Description:

Reports the status of the self-test.

Value

Meaning

0

Self-test passed.

1

Self-test detected an error in ROM.

2

Self-test detected an error in RAM.