FARALLON COMPUTING, INC.

NETOPIA ISDN MODEM

Card Type

ISDN TA

Chipset

Unidentified

Error Correction/Compression

STAC LZS

ISDN Transfer Rate

56Kbps x 2/64Kbps x 2

ISDN Protocol

V.120, PPP

Switch Type

5ESS, DMS100, EWSD, NI-1

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

ISDN U interface

CN1

Analog line 1 in

CN4

Serial port

CN2

DC power in

CN5

Analog line 2 in

CN3

Reset switch

SW1

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Green

On

Power is on

LED1

Green

Off

Power is off

LED2

Green

On

TA failed last test

LED2

Green

Blinking

TA is performing test

LED2

Green

Off

TA passed last test

LED3

Green

On

ISDN is disconnected or not synchronized

LED3

Green

Blinking

ISDN is synchronized but signaling procedures not established

LED3

Green

Off

ISDN is fully connected

DIAGNOSTIC LED(S) (CON'T)

LED

Color

Status

Condition

LED4

Green

On

ISDN B1 channel connected in data mode

LED4

Green

Blinking

ISDN B1 channel placing data mode call

LED4

Yellow

On

ISDN B1 channel connected in voice mode

LED4

Yellow

Blinking

ISDN B1 channel placing voice mode call

LED4

N/A

Off

ISDN B1 channel not connected

LED5

Green

On

ISDN B2 channel connected in data mode

LED5

Green

Blinking

ISDN B2 channel placing data mode call

LED5

Yellow

On

ISDN B2 channel connected in voice mode

LED5

Yellow

Blinking

ISDN B2 channel placing voice mode call

LED5

N/A

Off

ISDN B2 channel not connected

LED6

Green

On

TA is transmitting data

LED6

Green

Off

TA is not transmitting data

LED7

Green

On

TA is receiving data

LED7

Green

Off

TA is not receiving data

LED8

Green

On

DTR signal is high

LED8

Green

Off

DTR signal is low

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, A/

A, E, H, O, V, Z

&C, &F, &W

Extended AT Commands

\Q, \T

Note: See MHI help file for complete information.

Proprietary AT Command Set

ANALOG ADAPTER CALL ROUTING

Format:

AT [cmds] S63=n [cmds]

Default:

15

Range:

0 - 15

Description:

Selects which analog adapters may answer which calls.

Bit

Value

Function

0

0

í 1

Calls to analog adapter 1 may not be answered by analog adapter 1.

Calls to analog adapter 1 may be answered by analog adapter 1.

1

0

í 1

Calls to analog adapter 1 may not be answered by analog adapter 2.

Calls to analog adapter 1 may be answered by analog adapter 2.

2

0

í 1

Calls to analog adapter 2 may not be answered by analog adapter 1.

Calls to analog adapter 2 may be answered by analog adapter 1.

3

0

í 1

Calls to analog adapter 2 may not be answered by analog adapter 2.

Calls to analog adapter 2 may be answered by analog adapter 2.

AUTO-ANSWER

Type:

Register

Format:

AT [cmds] S0=n [cmds]

Description:

Selects whether the TA will automatically answer incoming calls.

Command

Function

í S0=0

Auto-answer disabled.

S0=1

Auto-answer enabled.

ANSWER DELAY

Type:

Register

Format:

AT [cmds] S75=n [cmds]

Description:

Selects whether the TA waits to answer an incoming call.

Command

Function

í S75=0

TA does not wait to answer an incoming call.

S75=1

TA waits two seconds to answer an incoming call.

CALL TYPE

Type:

Register

Format:

AT [cmds] S61=n [cmds]

Description:

Selects whether the TA will force a particular call type.

Command

Function

í S61=0

D command dials in standard mode and DD command dials in 56Kbps permissive mode.

S61=1

Both commands dial in 56Kbps permissive mode.

S61=2

Both commands dial in standard mode.

CALLER ID - ANALOG ADAPTER 1

Type:

Register (read-only)

Format:

AT [cmds] S65? [cmds]

Description:

Displays the Caller ID information for analog adapter 1.

CALLER ID - ANALOG ADAPTER 2

Type:

Register (read-only)

Format:

AT [cmds] S66? [cmds]

Description:

Displays the Caller ID information for analog adapter 2.

CALLER ID - ISDN

Type:

Register (read-only)

Format:

AT [cmds] S67? [cmds]

Description:

Displays the Caller ID information for the ISDN line.

CHALLENGE HANDSHAKE AUTHENTICATION PROTOCOL

Type:

Register

Format:

AT [cmds] S84=n [cmds]

Description:

Selects whether the TA will attempt to use CHAP.

Command

Function

S84=0

CHAP negotiation enabled.

í S84=1

CHAP negotiation disabled.

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects whether the TA will use STAC compression.

Command

Function

%C0

STAC compression disabled.

%C2

STAC compression enabled.

DIAL - STANDARD

Type:

Immediate

Format:

AT [cmds] D<#> [cmds]

Description:

Dials the number indicated to make a standard ISDN connection.

DIAL - PERMISSIVE

Type:

Immediate

Format:

AT [cmds] DD<#> [cmds]

Description:

Dials the number indicated to make a 56Kbps permissive connection.

DISPLAY CONFIGURATION AND STATISTICS

Type:

Immediate

Format:

AT [cmds] \S [cmds]

Description:

Displays the settings of all commands and statistics about the current connection.

DISPLAY FIRMWARE VERSION

Type:

Immediate

Format:

AT [cmds] %V [cmds]

Description:

Displays the current firmware version.

DISPLAY INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested about the modem.

Command

Function

I0

Displays product identification code.

I1

Displays ROM checksum.

I3

Displays modem model, interface, firmware revision and date, and boot version.

DISPLAY INTERNAL VERSION

Type:

Immediate

Format:

AT [cmds] %S [cmds]

Description:

Displays an internal version number.

DISPLAY REGISTERS

Type:

Immediate

Format:

AT [cmds] %R [cmds]

Description:

Displays the settings of S-registers.

DYNAMIC BANDWIDTH ALLOCATION

Type:

Register

Format:

AT [cmds] S70=n [cmds]

Description:

Selects whether dynamic bandwidth allocation will be used to allow simultaneous data and voice calls.

Command

Function

S70=0

Dynamic bandwidth allocation disabled.

í S70=1

Dynamic bandwidth allocation enabled.

ENDPOINT DISCRIMINATOR

Type:

Register

Format:

AT [cmds] S83=nnnn [cmds]

Description:

Sets the endpoint discriminator address for multipoint PPP systems. Up to twenty numbers may be specified.

ENDPOINT DISCRIMINATOR CLASS

Type:

Configuration

Format:

AT [cmds] S82=n [cmds]

Description:

Sets the endpoint discriminator class for multipoint PPP systems.

Command

Function

S82=1

User-defined address.

S82=2

IP address.

S82=3

802.1 MAC address.

S82=4

PPP magic number block.

í S82=5

Public Switched Network Directory number.

LOCAL SERIAL PORT SPEED

Type:

Configuration

Format:

AT [cmds] $Bn [cmds]

Description:

Sets the speed of the local serial port.

Command

Function

í $B0

Auto-detect serial port speed (cannot detect 230.4Kbps speed.)

$B1200

Set serial port speed to 1200bps.

$B2400

Set serial port speed to 2400bps.

$B4800

Set serial port speed to 4800bps.

$B9600

Set serial port speed to 9600bps.

$B19200

Set serial port speed to 19.2Kbps.

$B38400

Set serial port speed to 38.4Kbps.

$B57600

Set serial port speed to 57.6Kbps.

$B115200

Set serial port speed to 115.2Kbps.

$B230400

Set serial port speed to 230.4Kbps.

LINE SPEED

Type:

Register

Format:

AT [cmds] S60=n [cmds]

Description:

Selects the line speed that the TA will attempt to connect at.

Command

Function

í S60=56

TA will attempt to connect at 56Kbps.

S60=64

TA will attempt to connect at 64Kbps.

MULTILINK PPP

Type:

Register

Format:

AT [cmds] S80=n [cmds]

Description:

Selects whether the TA will use Multilink PPP.

Command

Function

S80=0

Multilink PPP disabled.

í S80=1

Multilink PPP enabled.

PHONE NUMBER 1

Type:

Register

Format:

AT [cmds] S51=<#> [cmds]

Description:

Sets the TA’s first phone number.

PHONE NUMBER 2

Type:

Register

Format:

AT [cmds] S53=<#> [cmds]

Description:

Sets the TA’s second phone number.

PROTOCOL - B-CHANNEL

Type:

Register

Format:

AT [cmds] S71=n [cmds]

Description:

Selects the protocol the TA will use on the B channels.

Command

Function

í S71=0

Auto-select common protocol.

S71=1

TA will use PPP conversion.

S71=2

TA will use V.120

RESULT CODES

Type:

Configuration

Format:

AT [cmds] Qn [cmds]

Description:

Enables modem to send result codes to the DTE.

Command

Function

í Q0

Result codes enabled.

Q1

Result codes disabled.

Q2

Result codes enabled in originate mode only.

SERVICE PROFILE IDENTIFIER 1

Type:

Register

Format:

AT [cmds] S52=<#> [cmds]

Description:

Sets the TA’s first SPID.

SERVICE PROFILE IDENTIFIER 2

Type:

Register

Format:

AT [cmds] S54=<#> [cmds]

Description:

Sets the TA’s second SPID.

SWITCH TYPE

Type:

Register

Format:

AT [cmds] S50=n [cmds]

Description:

Sets the type of switch the TA is connected to.

Command

Function

S50=0

TA is connected to unknown switch type.

S50=1

TA is connected to AT&T 5ESS custom switch.

S50=3

TA is connected to National NI-1 switch.

S50=6

TA is connected to DMS-100 or Siemens EWSD switch.

TERMINAL ENDPOINT IDENTIFIER 1

Type:

Register (read-only)

Format:

AT [cmds] S55? [cmds]

Description:

Displays the first TEI assigned by the ISDN switch. A value of 255 indicates that the switch did not assign a TEI.

TERMINAL ENDPOINT IDENTIFIER 1 STATUS

Type:

Register (read-only)

Format:

AT [cmds] S57? [cmds]

Description:

Returns a value indicating the status of the first TEI.

Value

Meaning

0

TA has not attempted to initialize with SPID 1.

1

TA succeeded in initializing with SPID 1.

2

TA failed in initializing with SPID 1.

TERMINAL ENDPOINT IDENTIFIER 2

Type:

Register (read-only)

Format:

AT [cmds] S56? [cmds]

Description:

Displays the second TEI assigned by the ISDN switch. A value of 255 indicates that the switch did not assign a TEI.

TERMINAL ENDPOINT IDENTIFIER 2 STATUS

Type:

Register (read-only)

Format:

AT [cmds] S58? [cmds]

Description:

Returns a value indicating the status of the second TEI.

Value

Meaning

0

TA has not attempted to initialize with SPID 2.

1

TA succeeded in initializing with SPID 2.

2

TA failed in initializing with SPID 2.

U INTERFACE STATUS

Type:

Register (read-only)

Format:

AT [cmds] S59? [cmds]

Description:

Returns a value indicating the status of the U interface.

Command

Function

0

U interface is not synchronized.

1

U interface is synchronized.

V.120 FRAME TYPE

Type:

Register

Format:

AT [cmds] S73=n [cmds]

Description:

Selects the frame type that the TA will use when in V.120 mode.

Command

Function

í S73=0

TA will use I frames.

S73=1

TA will use UI frames.

V.120 MAXIMUM FRAME SIZE

Type:

Register

Format:

AT [cmds] S74=n [cmds]

Default:

256

Range:

240 - 256

Unit:

1 byte

Description:

Selects the maximum frame size used for V.120 mode.

Note:

Adtran ISDN uses a maximum frame size of 253 bytes.