...because we can't all be on the bleeding edge...





XM128 ISDN

NETGEAR, INC.

XM128 ISDN

Card Type

ISDN Modem

Chip Set

Unidentified

I/O Options

25-pin serial port, ISDN interface via RJ-45 connector (U or S/T), power

analog telephone line out (2)

ISDN Data Rate

128Kbps

ISDN Modulation Protocol

PPP, MLPPP, BACP, X.75, V.110, V.120

Error Correction/Compression

V.42bis

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Power

CN1

Telephone line 1

CN4

25-pin serial port

CN2

Telephone line 2

CN5

ISDN interface (RJ-45)

CN3

Power switch

SW1

 

 

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

PWR

Yellow

On

Power is on

PWR

Yellow

Off

Power is off

DCH

Green

On

ISDN link on D channel is active

DCH

Green

Blinking

D channel connection is being established

DCH

Green

Off

ISDN link on D channel is inactive

B1

Green

On

Connection is established on B-channel 1

B1

Green

Off

Connection is broken on B-channel 1

B2

Green

On

Connection is established B-channel 2

B2

Green

Off

Connection is broken on B-channel 2

AA

Green

On

Automatic answer mode is enabled

AA

Green

Off

Automatic answer mode is disabled

CP

Green

On

Data compression is active on B-channel

CP

Green

Blinking

Incoming call is ringing

CP

Green

Off

Data compression is not active on B-channel

DTR

Green

On

Terminal/computer ready for operation

DTR

Green

Off

Terminal/computer not ready for operation

DSR

Green

On

Modem is ready for operations

DSR

Green

Off

Modem is not ready for operations

CTS

Green

On

Modem ready to receive data from DTE

CTS

Green

Off

Modem is not ready to receive data from DTE

RTS

Green

On

Sending device is enabled

RTS

Green

Off

Sending device is disabled

TD

Green

On

DTE is transmitting data to the modem

TD

Green

Off

DTE is not ransmitting data to the modem

RD

Green

On

DTE is receiving data from the modem

RD

Green

Off

DTE is not receiving data from to the modem

PH1

Green

On

Telephone line 1 is off-hook

PH1

Green

Off

Telephone line 1 is on-hook

PH2

Green

On

Telephone line 2 is off-hook

PH2

Green

Off

Telephone line 2 is on-hook

SUPPORTED COMMAND SET

Basic AT Commands

AT, +++, A/

A, E, L, M, Q, V

&C, &F, &Z

S Registers

S0, S1, S2, S3, S4, S5, S7, S8, S10, S12, S25

 

Note: See MHI Help File for full command documentation.

Proprietary AT Command Set

ANALOG PHONE PORT

Type:

Configuration

Format:

AT [cmds] &Ln [cmds]

Description:

Selects analog port during call answering

Command

Line Type

&L0

Phone port 1

&L1

Phone port 2

 

 

B-CHANNEL DATA RATE

Type:

Configuration

Format:

AT [cmds] &En [cmds]

Description:

Selects data rate on B-channel

Command

Function

&E0

64Kbps

&E1

56Kbps

BUNDLE SELECTION

Type:

Configuration

Format:

AT [cmds] &Jn [cmds]

Description:

Selects bundle options

Command

Jack Type

? &J0

Bundle connection is disabed

&J1

Bundle connection is enabled in answer mode only

&J2

Bundle connection is enabled in call mode only

&J3

Bundle connection enabled in both directions

CONFIGURATION PROFILES

Type:

Immediate

Format:

AT [cmds] &V [cmds]

Description:

Views profile settings

Command

Function

&V0

View current active settings

&V1

View profile 1

&V2

View profile 2

&V3

View profile 3

&V4

View profile 4

&V5

View factory default profiles

&V6

Views settings on phone line 1

&V7

Views settings on phone line 2

DATA COMPRESSION

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables/disables V.42bis data compression in V.120/X.75 mode

Command

Function

&K00

V.42bis disabled

&K44

V.42bis enabled

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

 

 

D-CHANNEL COMMUNICATION PROTOCOLS

Type:

Configuration

Format:

AT [cmds] Pn [cmds]

Description:

Selects the communication protocol for D-channel calls

Command

Protocol

? P0

Northern Telecom proprietary selection

P1

National ISDN 1 (1 SPID)

P2

National ISDN 1 (2 SPID)

P4

AT&T custom piont to point

P5

AT&T custom piont to multipoint (1 SPID)

P6

AT&T custom piont to multipoint (2 SPID)

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

D+

Second number string prefix. Used for bundling or MPPP calls

DW

Dialing resumed following dial tone detection

D,

Dialing paused for amount of time specified in S6 register

DY0

Number type unknown

DY1

International number

DY2

National number

DY3

Network specific number

DY4

Subscriber number

DY6

Abbreviated number

DZ0

Type of subaddress, NSAP with AFI=$50, IA5 characters

DZ2

Type of subaddress, user specified, IA5 characters

DN0

Numbering plan unknown

DN1

ISDN/Telephony numbering plan (CCITT E.164/E.163)

DN3

Data numbering plan (CCITT X.121)

DN8

National standard numbering plan

DN9

Private numbering plan

D/

Called pary subaddress delimiters

DA

Dials number on telephone line 1

DB

Dials number on telephone line 2

DI

Dials number for ISDN data call

DN0=n

User enters USA switches, first phone number

DN1=n

User enters USA switches, second phone number

DSn

Dial stored telephone number n. (n = 0-39)

DIALING COMMANDS CALL TYPE

Type:

Configuration

Format:

AT [cmds] &On [cmds]

Description:

Selects the call type for conventional dialing commands

Command

Mode

&O0

Analog phone line 2

&O1

ISDN mode

&O2

Analog phone line 1

 

 

DTR SIGNAL

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Controls the behavior of the DTR signal.

Command

Function

&D0

DTR forced high.

&D1

Device enters command mode when DTR goes low.

? &D2

Device hangs up and returns to command mode on low DTR.

&D3

Device resets on low DTR.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Hn [cmds]

Description:

Disables flow control options

Command

Function

&H0

Flow control disabled

? &H3

RTS to CTS flow control disabled

&H4

XON/XOFF flow control disabled

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)

H3

Phone line 1 commanded to go on-hook (hang-up)

H4

Phone line 2 commanded to go on-hook (hang-up)

ISDN COMMUNICATION PROTOCOLS

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol for data calls

Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols. B must be followed by two digits.

Command

Protocol

B00

X.75 Transparent

B01

X.75 T.70

B04

BTX (Data X-J)

B10

V.110 follows DTE speed (async). V.110 determined by in-band negotiation (sync)

B13

V.110 at 2400bps

B14

V.110 at 4800bps

B15

V.110 at 9600bps

B16

V.110 at 14.4Kbps

B17

V.110 at 19.2Kbps

B18

V.110 at 38.4Kbps (sync only)

B19

V.110 at 57.6Kbps (sync only)

B20

V.120

B40

PPP async to sync conversion

B41

SLIP async to sync conversion

 

ON-LINE

Type:

Immediate

Format:

AT [cmds] On [cmds]

Description:

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

Note: The O command must be placed at the end of the command string.

Command

Function

O0

On-line command mode with no retraining enabled

REPEAT PREVIOUS COMMAND OR CALL

Type:

Immediate

Format:

A>

Description:

Repeats previous command once or last call up to 9 times.

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product ID

I1

Reports product information & ROM checksum

I3

Reports link status

I9

Reports Microsoft PnP code

RING VOLUME

Type:

Configuration

Format:

AT [cmds] Nn [cmds]

Description:

Controls ring volume

Command

Function

N0

Audio ring disabled

N1

Low volume setting

N2

Medium volume setting

? N3

Highest volume setting

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

Busy and dial tone detection disabled; result codes 0 - 4 enabled.

X1

Busy and dial tone detection disabled; result codes 0 - 5, 10 - 47 enabled.

X2

Busy tone detection enabled, dial tone detection disabled; result codes 0 - 6,

10 - 47 enabled

X3

Busy tone detection disabled, dial tone detection enabled; result codes 0 - 5,

7 - 47 enabled

X4

Busy and dial tone detection enabled; result codes 0 - 47 enabled.

X5

Busy and dial tone detection enabled; result codes 0 - 47 enabled.

X6

Busy and dial tone detection enabled; result codes 0 - 18, 35, 38 - 47 enabled.

X7

Busy and dial tone detection enabled; result codes 0 - 18, 35, 38 - 47 enabled.

 

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

Z0

Restore setting 0

Z1

Restore setting 1

Z2

Restore setting 3

Z3

Restore setting 4

Z4

Restore factory default settings

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

&W0

Write the active profile to stored profile 0

&W1

Write the active profile to stored profile 1

&W2

Write the active profile to stored profile 2

&W3

Write the active profile to stored profile 3

TEST MODES

Type:

Immediate

Format:

AT [cmds] &Tn

Description:

Selects test options

Command

Function

&T9

Initiates ISDN loopback test

&T10

Initiates ISDN loopback with self diagnostic test

Special Commands

ADD-THRESHOLD

Type:

Configuration

Format:

AT [cmds] JAn [cmds]

Range:

0-255

Default:

48

Unit:

Kbps

Description:

Determines the add-threshold for MNPPP

B-CHANNEL NUMBER

Type:

Configuration

Format:

AT [cmds] &Zin=(phone # & subaddress)

Description:

Assigns the phone numbers for various B-channel protocols. ZI? Displays B-channel phone numbers

Command

Protocol

&ZI0

Assigns MSNs for X.75

&ZI1

Assigns MSNs for V.110

&ZI2

Assigns MSNs for V.120

&ZI3

Assigns MSNs for PPP, MPPP

&ZI4

Assigns MSNs for ISDN data, protocal auto-detect

&ZI6

Assigns the phone numbers for analog phone line 1

&ZI7

Assigns the phone numbers for analog phone line 2

 

BOD ADD-PERSIST (MIN)

Type:

Configuration

Format:

AT [cmds] KAMn [cmds]

Range:

0-63

Default:

0

Unit:

1min

Description:

Determines the add-persist time interval for BOD

BOD ADD-PERSIST

Type:

Configuration

Format:

AT [cmds] KAxn [cmds]

Range (n):

0-63

Default:

0

Unit (x):

S=1sec, M=1min

Description:

Determines the add-persist time interval for BOD

BOD SUB-PERSIST

Type:

Configuration

Format:

AT [cmds] KSxn [cmds]

Range (n):

0-63

Default:

0

Unit (x)::

S=1sec, M=1min

Description:

Determines the sub-persist time interval for BOD

CALL BUMPING

Type:

Configuration

Format:

AT [cmds] CEn [cmds]

Description:

Enables/disables call bumping

Command

Protocol

CE0

Call bumping disabled

CE1

Call bumping enabled

CALL RESUME

Type:

Configuration

Format:

AT [cmds] CRn [cmds]

Range:

0-3

Description:

Resumes a previously suspended call; n is the call identifier

Note:

Command for use in Europe

CALL SUSPEND

Type:

Configuration

Format:

AT [cmds] CSn [cmds]

Range:

0-3

Description:

Suspends a call; n is the call identifier

Note:

Command for use in Europe

 

 

CALLBACK

Type:

Configuration

Format:

AT [cmds] *GCn [cmds]

Description:

Enables/disables callback function

Command

Function

*GC1

Callback function disabled

*GC2

Callback function enabled

CALLBACK LOCATION

Type:

Configuration

Format:

AT [cmds] *HCn=x [cmds]

Description:

Assigns a storage location to callback phone number x

Command

Function

*HC0

Callback number stored in location 0

*HC1

Callback number stored in location 1

*HC2

Callback number stored in location 2

*HC3

Callback number stored in location 3

*HC4

Callback number stored in location 4

CALLER ID

Type:

Immediate

Format:

AT [cmds] *T [cmds]

Description:

Recalls caller ID information

CHARACTER LENGTH

Type:

Configuration

Format:

AT [cmds] *Hn [cmds]

Description:

Sets the character length; including start, stop, and parity bit

Command

Function

*C0

10-bit character length

*C1

11-bit character length

*C2

9-bit character length

*C3

8-bit character length

CHARGE

Type:

Immediate

Format:

AT [cmds] CH? [cmds]

Description:

Displays accumulated charging unit of last call

DATA PACKET SIZE

Type:

Configuration

Format:

AT [cmds] CLn [cmds]

Range:

0-2048

Unit:

8

Description:

Determines the maximum size of user data in a packet. CL? Queries current setting

DIAL POINTER

Type:

Configuration

Format:

AT [cmds] *Dn [cmds]

Range:

0-39

Default:

0

Unit:

ASCII

Description:

Sets the default dial pionter for telephone directory location n

 

 

FIRMWARE DOWNLOAD

Type:

Configuration

Format:

AT [cmds] UPX [cmds]

Description:

Downloads firmware to the flash EPROM using X-modem protocol

LOOPBACK 4

Type:

Configuration

Format:

AT [cmds] CPn [cmds]

Description:

Enables/disables loopback 4

Command

Protocol

CP0

Loopback 4 disabled

CP1

Loopback 4 enabled

PASSWORD TABLE

Type:

Configuration

Format:

AT [cmds] *Hn [cmds]

Range:

0-39

Unit:

ASCII

Description:

Modifies user password table at location n

PREFIX NUMBER (INTERNATIONAL)

Type:

Configuration

Format:

AT [cmds] CIn [cmds]

Description:

Determines prefix number string to be added to the calling party number before indicating to the DTE international number type

PREFIX NUMBER (NATIONAL)

Type:

Configuration

Format:

AT [cmds] CNn [cmds]

Description:

Determines prefix number string to be added to the calling party number before indicating to the DTE national number type

SECURITY FUNCTIONS

Type:

Configuration

Format:

AT [cmds] *Gn [cmds]

Description:

Enables type 2 security, sets password check and callback security options

Command

Function

*G3

Type 2 security enabled with password check

*G4

Type 2 security enabled with password check and callback

*G5

Type 2 security enabled with password check and callback; remote site enters the callback number

SPID NUMBER

Type:

Configuration

Format:

AT [cmds] SPIDn=(SPID #)

Unit:

Unidentified

Description:

Sets the SPID number for USA switches

Command

Protocol

SPID0

Sets SPID number 1

SPID1

Sets SPID number 2

 

 

SUB-THRESHOLD

Type:

Configuration

Format:

AT [cmds] JSn [cmds]

Range:

0-255

Default:

32

Unit:

Kbps

Description:

Determines the sub-threshold for MNPPP

SUPERVISORY PASSWORD

Type:

Configuration

Format:

AT [cmds] *HS [cmds]

Description:

Modifies supervisory password. Dafault password is NETGEAR

VIEW CALLBACK

Type:

Immediate

Format:

AT [cmds] *VC [cmds]

Description:

Views callback number table

VIEW PASSWORD

Type:

Immediate

Format:

AT [cmds] *V [cmds]

Description:

Views password table

WRITE NUMBER

Type:

Configuration

Format:

AT [cmds] &ZOn=(phone # & subaddress)

Description:

Writes phone number to be used as the calling party number. ZO? displays setting

Command

Protocol

&ZOI

Calling party number on ISDN interface

&ZOA

Calling party number on analog phone line 1

&ZOB

Calling party number on analog phone line 2

S(status) -REGISTERS

1TR6 OUTGOING SERVICES

Type:

Register

Format

AT [cmds] S104x=n [cmds]

Description:

Determines outgoing service options.

Command

Function

x=0

PHONE 2 service

x=2

ISDN data service

x=3

PHONE 1 service

ADD-THRESHOLD FOR BOD

Type:

Register

Format:

AT [cmds] S126=n [cmds]

Range:

0-255

Unit:

Kbps

Description:

Determines the add-threshold for BOD

 

B-CHANNEL 1 ACCUMULATED CHARGING UNIT (MSB)

Type:

Register

Format:

AT [cmds] S120=n [cmds]

Range:

Unidentified

Unit:

Unidentified

Description:

Determine the accumulated charging unit (MSB) for B-channel 1

B-CHANNEL 1 ACCUMULATED CHARGING UNIT(LSB)

Type:

Register

Format:

AT [cmds] S121=n [cmds]

Range:

Unidentified

Unit:

Unidentified

Description:

Determine the accumulated charging unit (LSB) for B-channel 1

B-CHANNEL 2 ACCUMULATED CHARGING UNIT (MSB)

Type:

Register

Format:

AT [cmds] S122=n [cmds]

Range:

Unidentified

Unit:

Unidentified

Description:

Determine the accumulated charging unit (MSB) for B-channel 2

B-CHANNEL 2 ACCUMULATED CHARGING UNIT(LSB)

Type:

Register

Format:

AT [cmds] S123=n [cmds]

Range:

Unidentified

Unit:

Unidentified

Description:

Determine the accumulated charging unit (LSB) for B-channel 2

B-CHANNEL BUNDLING PROTOCOL SELECTION

Type:

Register

Format

AT [cmds] S100=n [cmds]

Description:

Sets B-channel bundling protocol

Command

Function

S100=0

MLP

S100=1

Cfos (European models)

 

 

BIT-MAPPED REGISTER S118

Format:

AT [cmds] S118n [cmds]

Range:

0-255

Description:

Enables/disables dial-in call; selects default B-channle speed, incoming call acceptance, and bearer service

Bit

Value

Function

0

0

1

Dial-in call enabled

Dial-in call disabled

1

0

Not used

2

0

1

64Kbps ISDN B-channel speed

56Kbps ISDN B-channel speed

3

0

Not used

4

0

1

3.1KHz bearer service priority on PHONE 2

Speech bearer service priority on PHONE 2

5

0

1

3.1KHz bearer service priority on PHONE 1

Speech bearer service priority on PHONE 1

6

0

1

Global call accepted

Global calls rejected if MSN is unmatched

7

0

1

Analog incoming calls enabled

analog icoming calls disabled

BIT-MAPPED REGISTER S119

Format:

AT [cmds] S119n [cmds]

Range:

0-255

Description:

Enables/disables callback function, DDI function, MSN matching; controls V.110 speed

Bit

Value

Function

0

0

1

Callback function disabled

Callback function enabled

1

0

1

DDI point-to-point signaling disabled

DDI point-to-point signaling enabled

2

0

1

DDI point-to-multipoint signaling disabled

DDI point-to-multipoint signaling enabled

3

0

1

Inbound call ignored if MSN is unmatched

Inbound call accepted if MSN is unmatched

4

0

1

V.110 user rate set to 19.2Kbps if DTE speed is greater than 19.2Kbps

V.110 user rate set to 38.4Kbps if DTE speed is greater than 38.4Kbps

5

0

1

Normal MSN function enabled

Treats number assigned by &ZI=n as a subaddress, and matches it to the called party subaddress

7

0

Not used

BIT-MAPPED REGISTER S125

Format:

AT [cmds] S125n [cmds]

Range:

0-255

Description:

Controls sub-persist time interval

Bit

Value

Function

0

0

Not used

1-6

?

Controls sub-persist time interval; further information not available

7

0

1

Sub-persist time interval in second unit

Sub-persist time interval in minute unit

 

 

BIT-MAPPED REGISTER S15

Format

AT [cmds] S23=n [cmds]

Range:

0-255

Unit:

Bit-mapped

Description:

Determines parity, stop bits, character length, and power-up profile

Bit

Value

Function

0,1

00

01

10

Parity even

Parity odd

Mark or No Parity

2

0

1

1stop bit

2 stop bits

4,3

00

01

10

11

10-bit character length

11-bit character length

9-bit character length

8-bit character length

7-5

00

01

10

11

Power on profile 1

Power on profile 2

Power on profile 3

Power on factory default profile

BIT-MAPPED REGISTER S21

Format

AT [cmds] S21=n [cmds]

Range:

0-255

Unit:

Bit-mapped

Description:

Enables speaker, controls DTR/DCD/DSR signals & low DTR action

Bit

Value

Function

0-2

00

01

10

Speaker always off

Speaker on until carrier is detected

Speaker always on

3

0

1

DSR forced high

DSR normal

4

0

1

DCD forced high

DCD normal

5

0

1

DCD forced high

DCD normal

6-7

00

01

10

11

DTR assumed on

DTR toggle causes default number to dial

Hang up and return to command mode on low DTR

Hang up and reset to profile 0 on low DTR

 

 

BIT-MAPPED REGISTER S23

Format:

AT [cmds] S23=n [cmds]

Range:

0-255

Description:

Select command echo, automode and extended result code format.

Bit

Value

Function

0

0

1

Command echo enabled

Command echo disabled

1

0

Not used

2

00

01

Insertion not allowed during phone call

Insertion allowed during phone call

3-5

000

001

010

011

100

Busy and dial tone detection disabled; result codes 0 - 4 enabled.

Busy and dial tone detection disabled; result codes 0 - 5, 10 - 47 enabled.

Busy tone detection enabled, dial tone detection disabled; result codes 0 - 6,

10 - 47 enabled.

Busy tone detection disabled, dial tone detection enabled; result codes 0 - 5,

7 - 47 enabled.

Busy and dial tone detection enabled; result codes 0 - 47 enabled.

6

0

1

Result codes displayed in numeric format

Result codes displayed in verbose format

7

0

Not used

BIT-MAPPED REGISTER S24

Format:

AT [cmds] S24=n [cmds]

Range:

0-255

Description:

Selects ring volume, speaker control (S21 bits 1-2) ignore function, and speaker volume

Bit

Value

Function

0,1

00

01

11

Ring volume at minimum

Ring volume increased by 1 decimal

Ring volume increased by 2 decimals

2

0

1

Ignore S21 bits 1-2 speaker enable when phone 1 keypad is dialed

Do not ignore S21 bits 1-2 speaker enable when phone 1 keypad is dialed

3

0

1

Ignore S21 bits 1-2 speaker enable when phone 2 keypad is dialed

Do not ignore S21 bits 1-2 speaker enable when phone 2 keypad is dialed

5,4

0

Speaker volume control in increments of 16

6,7

0

Not used

BIT-MAPPED REGISTER S35

Format:

AT [cmds] S35=n [cmds]

Range:

0-255

Description:

Enables default dail, extended numeric result codes

Bit

Value

Function

0-3

0

Not used

4

0

1

Do not dial default number when Data/Voice is pressed

Dials default number when Data/Voice is pressed

6-5

0

Not used

7

0

1

Extended numeric result codes in error correction mode are disabled

Extended numeric result codes in error correction mode are enabled

 

 

BIT-MAPPED REGISTER S38

Format:

AT [cmds] S38=n [cmds]

Range:

0-255

Description:

Enables repeat dialing, DCD toggle

Bit

Value

Function

0

0

1

Repeatedly dials default number

Does not repeatedly dial default number

1

0

Not used

3

0

1

DCD toggle does not follow UNIX standard

DCD toggle follows UNIX standard. DCD high before connect message is sent, DCD off after last DCE response is sent

4-7

0

Not used

BIT-MAPPED REGISTER S40

Format:

AT [cmds] S40=n [cmds]

Range:

0-255

Description:

Enables result code display in answer mode

Bit

Value

Function

0

0

Not used

1

0

1

Result code display in answer mode enabled

Result code display in answer mode disabled

2-7

0

Not used

BIT-MAPPED REGISTER S41

Format:

AT [cmds] S41=n [cmds]

Range:

0-255

Description:

Enables CCITT signals 140 & 141 on EIA-232D interface

Bit

Value

Function

0-2

0

Not used

3

0

1

CCITT signals 140 & 141 on EIA-232D interface disabled

CCITT signals 140 & 141 on EIA-232D interface enabled

4-7

0

Not used

BIT-MAPPED REGISTER S42

Format:

AT [cmds] S42=n [cmds]

Range:

0-255

Description:

Controls escape sequence Data/Voice button, and <RINGING> result code

Bit

Value

Function

0

0

Not used

3

0

1

Escape code sequence in answer mode enabled

Escape code sequence in answer mode disabled

4

0

Not used

5

0

1

Voice/Data button enabled

Voice/Data button disabled

6

0

1

Ringing result code enabled

Ringing result code disabled

7

0

Not used

 

 

BIT-MAPPED REGISTER S44

Format:

AT [cmds] S44=n [cmds]

Range:

0-255

Description:

Controls escape sequence Data/Voice button, and <RINGING> result code

Bit

Value

Function

0

0

Not used

3

0

1

ATDSn does not initiate auto-dial if the stored numbers cinsecutively until connection is made

ATDSn does not initiates auto-dial if the stored numbers cinsecutively until connection is made

4

0

1

DSR does not follow DTR

DSR follows DTR

5-7

0

Not used

BIT-MAPPED REGISTER S80

Format:

AT [cmds] S80=n [cmds]

Range:

0-255

Description:

Controls sending of low-layer compatibility information

Bit

Value

Function

0-3

0

Not used

4

0

1

Does not send low-layer compatibility information for PHONE 2

Send low-layer compatibility information for PHONE 2

5

0

Not used

6

0

1

Does not send low-layer compatibility information for ISDN call

Send low-layer compatibility informatin for ISDN call

7

0

1

Does not send low-layer compatibility information for PHONE 1

Send low-layer compatibility information for PHONE 1

BIT-MAPPED REGISTER S83

Format:

AT [cmds] S83=n [cmds]

Range:

0-255

Description:

Controls loopback and dial commands

Bit

Value

Function

0

0

1

Loopback 4 test disabled

Lopback 4 test enabled

2

0

1

ISDN without V.42bis enabled

ISDN with 42bis enabled

3

0

Not used

4-5

00

01

10

ATD, ATDP, and ATDT commands are mapped to ATDM

ATD, ATDP, and ATDT commands are mapped to ATDI

ATD, ATDP, and ATDT commands are mapped to ATDB

6-7

0

Not used

 

 

BIT-MAPPED REGISTER S84

Format:

AT [cmds] S84=n [cmds]

Range:

0-255

Description:

Controls S-register display format, caller ID, and phone priority

Bit

Value

Function

0-2

0

Not used

3

0

1

S-register not displayed in hexidecimal format

S-register displayed in hexidecimal format

4

0

1

Indicates caller ID after first ring message

Caller ID disabled

5

0

1

PHONE 1 given call priority

PHONE 2 given call priority

6-7

0

Not used

BIT-MAPPED REGISTER S85

Format:

AT [cmds] S85n [cmds]

Range:

0-255

Description:

Controls DCA function, add-persist time interval

Bit

Value

Function

0

0

1

DCA function enabled

DCA function disabled

1-6

?

Controls add-persist time interval; further information not available

7

0

1

Add-persist time interval in secondits

Add-persist time interval in minute unite

BIT-MAPPED REGISTER S87

Format:

AT [cmds] S87n [cmds]

Range:

0-255

Description:

Enables/disables bundle connection

Bit

Value

Function

0-4

0

Not used

5,6

00

01

11

10

Bundle mode connection disabled

Bundle connection enabled in answer mode only

Bundle connection enabled in call mode only

Bundle connection enabled in both directions

7

0

Not used

BIT-MAPPED REGISTER S89

Format:

AT [cmds] S89n [cmds]

Range:

0-255

Description:

Enables/disables metering pulse

Bit

Value

Function

0-4

0

Not used

5

0

1

Metering pulse disabled on PHONE 2

Metering pulse enabled on PHONE 2

6

0

1

Metering pulse disabled on PHONE 1

Metering pulse enabled on PHONE 1

7

0

Not used

 

 

D-CHANNEL PROTOCOL SELECTION

Type:

Register

Format

AT [cmds] S86=n [cmds]

Description:

Sets the maximum allowable 56K downstream rate attempted during handshake process.

Command

Function

S86=0

Northern telecom proprietary ISDN

S86=1

National ISDN 1

S86=2

National ISDN 2

S86=3

Reserved

S86=4

AT&T proprietary point-to-piont

S86=5

AT&T proprietary point-to-multipoint

S86=6

AT&T custom point-to-multipoint

DTE LINE SPEED

Type:

Register

Format

AT [cmds] S20=n [cmds]

Description:

Sets the maximum allowable data exchange rate attempted during handshake process.

Command

Function

S20=0

230.4Mbps

S20=1

115.2Mbps

S20=3

57.6Kbps

S20=5

38.4bps

S20=5

19.2bps

S20=9

9600bps

S20=11

4800bps

S20=12

2400bps

S20=13

19.2Kbps

S20=14

460.8Mbps

S20=15

921.6Mbps

FIXED BAUD RATE

Type:

Register

Format

AT [cmds] S18=n [cmds]

Description:

Sets the fixed baud rate at idle

Command

Function

S18=0

230.4Mbps

S18=1

115.2Mbps

S18=3

57.6Kbps

S18=5

38.4bps

S18=5

19.2bps

S18=9

9600bps

S18=11

4800bps

S18=12

2400bps

S18=13

19.2Kbps

S18=14

460.8Mbps

S18=15

921.6Mbps

 

 

FLOW CONTROL

Type:

Register

Format

AT [cmds] S27 [cmds]

Description:

Displays the current flow control

Value

Meaning

0

Flow control disabled

3

RTS/CTS flow control enabled

4

XON/XOFF flow control enabled

5

Reserved

FLOW CONTROL CHARACTER - XOFF

Type:

Register

Format:

AT [cmds] S32=n [cmds]

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XOFF

FLOW CONTROL CHARACTER - XON

Type:

Register

Format:

AT [cmds] S31=n [cmds]

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XON

HOOK FLASH DETECT TIME

Type:

Register

Format:

AT [cmds] S56=n [cmds]

Range:

0-255

Unit:

10ms

Description:

Determines the hook flash detect time for analog adapter

I-FIELD DATA LENGTH (LSB)

Type:

Register

Format:

AT [cmds] S115=n [cmds]

Range:

Unidentified

Unit:

ASCII

Description:

Sets I-field data length (LSB)

I-FIELD DATA LENGTH (MSB)

Type:

Register

Format:

AT [cmds] S114=n [cmds]

Range:

Unidentified

Unit:

ASCII

Description:

Sets I-field data length (MSB)

IP PACKET INTERVAL

Type:

Register

Format:

AT [cmds] S124=n [cmds]

Range:

0-255

Unit:

1sec

Description:

Empties IP packet interval for PPP

 

 

ISDN B-CHANNEL PROTOCOL

Type:

Register

Format

AT [cmds] S82=n [cmds]

Description:

Determines ISDN B channel protocol

Command

Function

S82=60

V.120 at 64Kbps

S82=61

V.120 at 56Kbps

S82=62

X.75 at 64Kbps transparent

S82=63

X.75 at 56Kbps transparent

S82=64

X.75 at 64Kbps T.70

S82=65

X.75 at 56Kbps T.70

S82=72

V.110 at 64Kbps

S82=73

V.110 at 56Kbps

S82=74

PPP async to sync 64Kbps

S82=75

PPP async to sync 56Kbps

S82=76

SLIP to sync HDLC conversion at 64Kbps

S82=77

SLIP to sync HDLC conversion at 56Kbps

ISDN B-CHANNEL PROTOCOL (OUTGOING)

Type:

Register

Format

AT [cmds] S102=n [cmds]

Description:

Determines outgoing ISDN B-channel protocol

Command

Function

S102=60

V.120 at 64Kbps

S102=61

V.120 at 56Kbps

S102=62

X.75 at 64Kbps transparent

S102=63

X.75 at 56Kbps transparent

S102=64

X.75 at 64Kbps T.70

S102=65

X.75 at 56Kbps T.70

S102=72

V.110 at 64Kbps

S102=73

V.110 at 56Kbps

S102=74

PPP async to sync 64Kbps

S102=75

PPP async to sync 56Kbps

S102=76

SLIP to sync HDLC conversion at 64Kbps

S102=77

SLIP to sync HDLC conversion at 56Kbps

PHONE NUMBER POINTER

Type:

Register

Format

AT [cmds] S29=n [cmds]

Range:

0-39

Unit:

Unidentified

Description:

Sets the default phone number pointer

 

REGISTER S108

Type:

Register

Format

AT [cmds] S108x=n [cmds]

Description:

Determines device mode, stop bits, parity, speed. Values in hexidecimal

Command

Function

x=0

PHONE 2 service

x=2

ISDN data service

x=3

PHONE 1 service

Value (hex)

Function

00

Default values: 64kbps. 8 data bits, 1 stop bit, no parity, no high-layer compatibility

01

ISDN mode

02

Analog mode, fax group 3

03

Data mode

04

BTX mode, fax group 3,4

08

Even parity

10

2 stop bits

20

7 data bits

28

Teletex service

31

Teletex service

32

Information interworking for video

35

Teletex service

38

message handling systems

40

38.4Kbps async mode

41

OSI application

A0, C0

V.110 sync mode at 1200bps

A3, C3

2400bps

A4, C4

4800bps

A5, C5

9600bps

A6, C6

14.4Kbps

A7, C7

19.2Kbps

A8

48.0Kbps

A9

56.0Kbps

AA

56.oKbps

AF

In-band negotiation

SECURITY CALLBACK

Type:

Register

Format:

AT [cmds] S64=n [cmds]

Range:

0-255

Unit:

1sec

Description:

Sets security callback timer

SUB-THRESHOLD FOR BOD

Type:

Register

Format:

AT [cmds] S127=n [cmds]

Range:

0-255

Unit:

Kbps

Description:

Determines the sub-threshold for BOD

 

TEST MODES

Type:

Register

Format:

AT [cmds] S16=n [cmds]

Range:

0-125

Unit:

Bit-mapped

Description:

Controls loopback tests, analog, digital

Bit

Value

Function

0

0

1

Local analog loopback not in progress

Local analog loopback in progress

1

0

Not used

2

0

1

Local digital loopback not in progress

Local digital loopback in progress

V.110 USER RATE

Type:

Register

Format:

AT [cmds] S117=n [cmds]

Range:

Unidentified

Unit:

Unidentified

Description:

Sets V.110 user rate