|
CITAM
CONTROLWARE COMMUNICATIONS SYSTEMS, INC.
CITAM
|
Card Type
|
ISDN TA
|
|
Chipset
|
Unidentified
|
|
ISDN Transfer Rate
|
56Kbps x 2/64Kbps x 2
|
|
ISDN Protocol
|
V.110, X.75
|
|
Switch Type
|
1TR6, 5ESS, DMS100, DSS1, NI-1
|
|
Data Bus
|
Serial
|

|
CONNECTIONS
|
|
Function
|
Label
|
Function
|
Label
|
|
SELECT button
|
BT1
|
ISDN S/T interface
|
CN1
|
|
ENTER button
|
BT2
|
LED display
|
LED
|
|
RESET button
|
BT3
|
Header to interface board W1B
|
W1A
|
|
Note: Either CN1 or the ISDN interface on the installed interface board may be used, but not both.
|
|
USER CONFIGURABLE SETTINGS
|
|
Setting
|
Label
|
Position
|
|
í Configuration may be changed via interface or front panel
|
S1/1
|
Off
|
|
Configuration may be changed via front panel supervisor only
|
S1/1
|
On
|
|
í ISDN connects with standard dialing
|
S1/2
|
Off
|
|
ISDN connects with S0FV (leased-line)
|
S1/2
|
On
|
|
í 1TR6 Service Indicator set for data transmission
|
S1/3
|
Off
|
|
1TR6 Service Indicator set for X.21 services
|
S1/3
|
On
|
|
í TA operates in synchronous mode
|
S1/4
|
Off
|
|
TA operates in asynchronous mode
|
S1/4
|
On
|
|
í Factory configured - do not alter (synchronous mode)
|
S1/5
|
N/A
|
|
USER CONFIGURABLE SETTINGS (CON’T)
|
|
Setting
|
Label
|
Position
|
|
í AT command set enabled (asynchronous mode)
|
S1/8
|
On
|
|
V.25bis command set enabled (asynchronous mode)
|
S1/8
|
Off
|
|
í X.21 command set enabled (synchronous mode)
|
S1/8
|
On
|
|
V.25bis command set enabled (synchronous mode)
|
S1/8
|
Off
|
|
í Factory configured - do not alter
|
S2/1
|
On
|
|
í CD signal forced high
|
S2/6
|
Off
|
|
CD signal high when connection is synchronized
|
S2/6
|
On
|
|
í DSR signal forced high
|
S2/7
|
Off
|
|
DSR signal high when connection is synchronized
|
S2/7
|
On
|
|
í Unit is a table-top version
|
S2/8
|
Off
|
|
Unit is a rack mount version
|
s2/8
|
On
|
|
DATA FORMAT SELECTION (ASYNCHRONOUS MODE)
|
|
Setting
|
S1/5
|
S1/6
|
S1/7
|
|
7 data bits, no parity, 1 stop bit
|
Off
|
On
|
On
|
|
7 data bits, even parity, 1 stop bit
|
On
|
On
|
On
|
|
8 data bits, no parity, 1 stop bit
|
On
|
On
|
Off
|
|
8 data bits, even parity, 1 stop bit
|
Off
|
Off
|
On
|
|
8 data bits, odd parity, 1 stop bit
|
On
|
Off
|
On
|
|
í 8 data bits, no parity, 2 stop bits
|
Off
|
Off
|
Off
|
|
8 data bits, even parity, 2 stop bits
|
On
|
Off
|
Off
|
|
8 data bits, odd parity, 2 stop bits
|
Off
|
On
|
Off
|
|
DATA FORMAT SELECTION (SYNCHRONOUS MODE)
|
|
Setting
|
S1/6
|
S1/7
|
|
ASCII character set, BSC encoding
|
On
|
On
|
|
ASCII character set, HDLC encoding
|
Off
|
On
|
|
EBCDIC character set, BSC encoding
|
On
|
Off
|
|
í EBCDIC character set, HDLC encoding
|
Off
|
Off
|
|
LINE SPEED
|
|
Setting
|
S2/2
|
S2/3
|
S2/4
|
S2/5
|
|
300bps
|
Off
|
On
|
Off
|
On
|
|
600bps
|
On
|
Off
|
Off
|
On
|
|
1200bps
|
Off
|
Off
|
Off
|
On
|
|
2400bps
|
On
|
On
|
On
|
Off
|
|
4800bps
|
Off
|
On
|
On
|
Off
|
|
9600bps
|
On
|
Off
|
On
|
Off
|
|
19.2Kbps
|
Off
|
Off
|
On
|
Off
|
|
38.4Kbps
|
On
|
On
|
Off
|
Off
|
|
48Kbps
|
Off
|
On
|
Off
|
Off
|
|
56Kbps
|
On
|
Off
|
Off
|
Off
|
|
í 64Kbps
|
Off
|
Off
|
Off
|
Off
|
|
Note: Asynchronous speeds may range from 300bps to 38.4Kbps, while synchronous speeds may range from 1200bps to 64Kbps.
|
|
SUBADDRESS SELECTION
|
|
Setting
|
S3
|
|
EAZ 1
|
Position 1
|
|
EAZ 2
|
Position 2
|
|
EAZ 3
|
Position 3
|
|
EAZ 4
|
Position 4
|
|
EAZ 5
|
Position 5
|
|
EAZ 6
|
Position 6
|
|
EAZ 7
|
Position 7
|
|
EAZ 8
|
Position 8
|
|
TA is part of hunt group
|
Position 0
|
|
Note: When adapter is set for leased-line mode, the EAZ must be set to 2.
|
|
DIAGNOSTIC LED(S)
|
|
LED
|
Color
|
Status
|
Condition
|
|
S0
|
Yellow
|
On
|
ISDN connection is active
|
|
S0
|
Yellow
|
Blinking
|
ISDN connection has been made but is not active
|
|
S0
|
Yellow
|
Off
|
ISDN is not connected
|
|
P1
|
Green
|
On
|
Port 1 is connected to ISDN
|
|
P1
|
Green
|
Blinking
|
Port 1 has received an ISDN call but has not connected
|
|
P1
|
Green
|
Off
|
Port 1 is not connected to ISDN
|
|
P2
|
Green
|
On
|
Port 2 is connected to ISDN
|
|
P2
|
Green
|
Blinking
|
Port 2 has received an ISDN call but has not connected
|
|
P2
|
Green
|
Off
|
Port 2 is not connected to ISDN
|
|
Note: P2 will have no function on models with only one port.
|

|
CONNECTIONS
|
|
Function
|
Label
|
Function
|
Label
|
|
Supervisor port
|
CN1
|
DC power in
|
CN4
|
|
ISDN S/T interface
|
CN2
|
Header to main board W1A
|
W1B
|
|
X.21 serial port
|
CN3
|
|
|
|
USER CONFIGURABLE SETTINGS
|
|
Setting
|
Label
|
Position
|
|
í Signal ground not connected to chassis ground
|
P31
|
Open
|
|
Signal ground connected to chassis ground
|
P31
|
Closed
|
|
RECEIVER OPEN CIRCUIT FAILSAFE
|
|
Setting
|
P28
|
R3
|
|
í Enabled
|
Not installed
|
Installed
|
|
Disabled
|
Installed
|
Not installed
|

|
CONNECTIONS
|
|
Function
|
Label
|
Function
|
Label
|
|
Supervisor port
|
CN1
|
X.21 serial port 2
|
CN4
|
|
ISDN S/T interface
|
CN2
|
DC power in
|
CN5
|
|
X.21 serial port 1
|
CN3
|
Header to main board W1A
|
W1B
|
|
USER CONFIGURABLE SETTINGS
|
|
Setting
|
Label
|
Position
|
|
í Signal ground not connected to chassis ground
|
P31
|
Open
|
|
Signal ground connected to chassis ground
|
P31
|
Closed
|
|
PORT 1 RECEIVER OPEN CIRCUIT FAILSAFE
|
|
Setting
|
P16
|
R4
|
|
í Enabled
|
Not installed
|
Installed
|
|
Disabled
|
Installed
|
Not installed
|
|
PORT 2 RECEIVER OPEN CIRCUIT FAILSAFE
|
|
Setting
|
P17
|
R5
|
|
í Enabled
|
Not installed
|
Installed
|
|
Disabled
|
Installed
|
Not installed
|

|
CONNECTIONS
|
|
Function
|
Label
|
Function
|
Label
|
|
Supervisor port
|
CN1
|
DC power in
|
CN4
|
|
ISDN S/T interface
|
CN2
|
Header to main board W1A
|
W1B
|
|
V.24 serial port
|
CN3
|
|
|
|
USER CONFIGURABLE SETTINGS
|
|
Setting
|
Label
|
Position
|
|
í Signal ground not connected to chassis ground
|
P32
|
Open
|
|
Signal ground connected to chassis ground
|
P32
|
Closed
|
|
RECEIVER OPEN CIRCUIT FAILSAFE
|
|
Setting
|
P1
|
R4
|
|
í Enabled
|
Not installed
|
Installed
|
|
Disabled
|
Installed
|
Not installed
|

|
CONNECTIONS
|
|
Function
|
Label
|
Function
|
Label
|
|
Supervisor port
|
CN1
|
V.24 serial port 1 via DB-26 port
|
CN4
|
|
ISDN S/T interface
|
CN2
|
DC power in
|
CN5
|
|
V.24 serial port 2 via DB-26 port
|
CN3
|
Header to main board W1A
|
W1B
|
|
Note: Standard V.24 serial ports are provided on included adapter cables.
|
|
USER CONFIGURABLE SETTINGS
|
|
Setting
|
Label
|
Position
|
|
í Signal ground not connected to chassis ground
|
P33
|
Open
|
|
Signal ground connected to chassis ground
|
P33
|
Closed
|
|
PORT 1 RECEIVER OPEN CIRCUIT FAILSAFE
|
|
Setting
|
P1
|
R3
|
|
í Enabled
|
Not installed
|
Installed
|
|
Disabled
|
Installed
|
Not installed
|
|
PORT 2 RECEIVER OPEN CIRCUIT FAILSAFE
|
|
Setting
|
P2
|
R4
|
|
í Enabled
|
Not installed
|
Installed
|
|
Disabled
|
Installed
|
Not installed
|

|
CONNECTIONS
|
|
Function
|
Label
|
Function
|
Label
|
|
Supervisor port
|
CN1
|
DC power in
|
CN4
|
|
ISDN S/T interface
|
CN2
|
Header to main board W1A
|
W1B
|
|
V.35 serial port
|
CN3
|
|
|
|
USER CONFIGURABLE SETTINGS
|
|
Setting
|
Label
|
Position
|
|
í Signal ground not connected to chassis ground
|
P32
|
Open
|
|
Signal ground connected to chassis ground
|
P32
|
Closed
|

|
CONNECTIONS
|
|
Function
|
Label
|
Function
|
Label
|
|
Supervisor port
|
CN1
|
V.35 serial port 1 via DB-26 port
|
CN4
|
|
ISDN S/T interface
|
CN2
|
DC power in
|
CN5
|
|
V.35 serial port 2 via DB-26 port
|
CN3
|
Header to main board W1A
|
W1B
|
|
Note: Standard V.35 serial ports are provided on included adapter cables.
|
|
USER CONFIGURABLE SETTINGS
|
|
Setting
|
Label
|
Position
|
|
í Signal ground not connected to chassis ground
|
P32
|
Closed
|
|
Signal ground connected to chassis ground
|
P32
|
Open
|
|
SUPPORTED STANDARD COMMANDS
|
|
Basic AT Commands
|
|
+++, A/
|
|
A, E, H, O, Q, V, X, Z
|
|
&D, &F, &V, &W, &Z
%I
|
|
S-Registers
|
|
S0, S1, S2, S3, S4, S5
|
|
V.25bis Commands
|
|
CIC, CRI, CRS, DIC, PRN
|
|
Note: See MHI help file for complete information.
|
|
UNIDENTIFIED COMMANDS
|
|
Command
|
Default
|
|
%L
|
0
|
|
%M
|
0
|
Proprietary AT Command Set
|
ACCESS TYPE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Kn [cmds]
|
|
Description:
|
Selects the type of access for this ISDN line.
|
|
Command
|
Function
|
|
í %K1
|
Line is intermittent dial-up.
|
|
%K2
|
Line is semi-permanent dial-up.
|
|
%K3
|
Line is time-link dial-up.
|
|
ASYNC/SYNC MODE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Mn [cmds]
|
|
Description:
|
Selects whether the adapter is operating in asynchronous or synchronous mode.
|
|
Command
|
Function
|
|
í &M0
|
Asynchronous mode selected.
|
|
&M1
|
Asynchronous command mode, synchronous data mode at 600bps.
|
|
&M2
|
Asynchronous command mode, synchronous data mode at 1200bps.
|
|
&M3
|
Asynchronous command mode, synchronous data mode at 2400bps.
|
|
&M4
|
Asynchronous command mode, synchronous data mode at 4800bps.
|
|
&M5
|
Asynchronous command mode, synchronous data mode at 9600bps.
|
|
&M6
|
Asynchronous command mode, synchronous data mode at 19.2Kbps.
|
|
&M7
|
Asynchronous command mode, synchronous data mode at 38.4Kbps.
|
|
&M8
|
Asynchronous command mode, synchronous data mode at 48Kbps.
|
|
&M9
|
Asynchronous command mode, synchronous data mode at 56Kbps.
|
|
&M10
|
Asynchronous command mode, synchronous data mode at 64Kbps.
|
|
&M11
|
Synchronous data mode at 64Kbps with byte timing.
|
|
&M13
|
Synchronous data mode at 128Kbps.
|
|
CALLBACK DELAY
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %H=n [cmds]
|
|
Default:
|
Unidentified
|
|
Range:
|
0 - 255
|
|
Unit:
|
1 second
|
|
Description:
|
Sets the amount of time that the adapter will wait after a call disconnects before initiating a callback sequence.
|
|
CALLBACK MODE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Gn [cmds]
|
|
Description:
|
Selects when the adapter will call back an incoming call.
|
|
Command
|
Function
|
|
í %G0
|
Neither initiate nor allow callback requests.
|
|
%G1
|
Do not initiate callbacks but allow requests.
|
|
%G2
|
Initiate callbacks but do not allow requests.
|
|
%G3
|
Initiate callbacks and allow requests.
|
|
CALL BUNDLING SOURCE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Jn [cmds]
|
|
Description:
|
Selects which stored number the modem will dial for the B2 channel when attempting call bundling. Executing %J0 will use the same number as was dialed for the B1 channel.
|
|
CTS SIGNAL
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Rn [cmds]
|
|
Description:
|
Controls the behaviour of the CTS signal.
|
|
Command
|
Function
|
|
í &R0
|
CTS follows RTS.
|
|
&R1
|
CTS forced high.
|
|
&R2
|
CTS controlled by remote; high when connection is made at 48Kbps or less.
|
|
DATA FORMAT
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Nn [cmds]
|
|
Description:
|
Selects the format of the data from the serial port.
|
|
Command
|
Function
|
|
%N0
|
7 data bits, no parity, 1 stop bit.
|
|
%N1
|
7 data bits, even parity, 1 stop bit.
|
|
%N2
|
8 data bits, odd parity, 1 stop bit.
|
|
%N3
|
8 data bits, even parity, 1 stop bit.
|
|
í %N4
|
8 data bits, no parity, 1 stop bit.
|
|
%N5
|
8 data bits, odd parity, 2 stop bits.
|
|
%N6
|
8 data bits, even parity, 2 stop bits.
|
|
%N7
|
8 data bits, no parity, 2 stop bits.
|
|
DCD SIGNAL
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Cn [cmds]
|
|
Description:
|
Controls the behaviour of the DCD signal.
|
|
Command
|
Function
|
|
í &C0
|
DCD high when call is synchronized.
|
|
&C1
|
DCD forced high.
|
|
&C2
|
DCD controlled by remote; high when connection is made at more than 48Kbps.
|
|
DISPLAY INFORMATION
|
|
Type:
|
Immediate
|
|
Format:
|
AT [cmds] In [cmds]
|
|
Description:
|
Displays information requested about the adapter.
|
|
Command
|
Function
|
|
I
|
Displays complete identification.
|
|
I0
|
Displays information about the control firmware.
|
|
I1
|
Displays information about the ISDN firmware.
|
|
I2
|
Displays the version of the hardware.
|
|
I3
|
Displays information about the interface board.
|
|
DISPLAY STATUS
|
|
Type:
|
Immediate
|
|
Format:
|
AT [cmds] %Sn [cmds]
|
|
Description:
|
Displays the status of the indicated part of the adapter.
|
|
Command
|
Function
|
|
%S
|
Display all information.
|
|
%S0
|
Display port status.
|
|
%S1
|
Display S0 status.
|
|
%S2
|
Display last ISDN error code in hex.
|
|
%S3
|
Display SPID 1.
|
|
%S4
|
Display SPID 2.
|
|
DSR SIGNAL
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] &Sn [cmds]
|
|
Description:
|
Controls the behaviour of the DSR signal.
|
|
Command
|
Function
|
|
í &S0
|
DSR high when connection is successful.
|
|
&S1
|
DSR forced high.
|
|
&S2
|
DSR controlled by remote; high when connection is made at more than 48Kbps.
|
|
&S3
|
DSR high when connection is synchronized.
|
|
ISDN B-CHANNEL MAPPING
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Qn [cmds]
|
|
Description:
|
Selects how the adapter will map the B-channel subaddresses.
|
|
Command
|
Function
|
|
í %Q0
|
B-channel mapping disabled.
|
|
%Q1
|
B-channel mapping enabled.
|
|
LOCAL SERIAL PORT SPEED
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Rn [cmds]
|
|
Description:
|
Selects what speed the local serial port is operating at in asynchronous mode.
|
|
Command
|
Function
|
|
%R0
|
Set speed to 300bps.
|
|
%R1
|
Set speed to 600bps.
|
|
%R2
|
Set speed to 1200bps.
|
|
%R3
|
Set speed to 2400bps.
|
|
%R4
|
Set speed to 4800bps.
|
|
í %R5
|
Set speed to 9600bps.
|
|
%R6
|
Set speed to 19.2Kbps.
|
|
%R7
|
Set speed to 38.4Kbps.
|
|
MATCH IN-BAND SPEED
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %An [cmds]
|
|
Description:
|
Selects whether the adapter may switch to match the in-band speed of the connection.
|
|
Note:
|
This command has no effect in asynchronous mode.
|
|
Command
|
Function
|
|
%A0
|
Adapter may switch to lower speed.
|
|
í %A1
|
Adapter may not switch speed.
|
|
%A2
|
Adapter may switch to higher speed.
|
|
%A3
|
Adapter may switch to any speed.
|
|
MATCH BEARER SPEED
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Bn [cmds]
|
|
Description:
|
Selects whether the adapter may switch to match the bearer speed of the connection.
|
|
Note:
|
This command has no effect in asynchronous mode.
|
|
Command
|
Function
|
|
%B0
|
Adapter may switch to lower speed.
|
|
í %B1
|
Bearer speed matching disabled.
|
|
%B2
|
Adapter may switch to higher speed.
|
|
%B3
|
Adapter may switch to any speed.
|
|
%B4
|
Bearer speed matching enabled.
|
|
PASSWORD CHECKING
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Dn [cmds]
|
|
Description:
|
Selects when the adapter will require a password for configuration changes.
|
|
Command
|
Function
|
|
í %D0
|
Require password for remote configuration changes only.
|
|
%D1
|
Require password for all configuration changes.
|
|
PASSWORD SET
|
|
Type:
|
Configuration
|
|
Format:
|
AT %C=xxxx
|
|
Description:
|
Sets the password to a case-sensitive string of up to ten characters. If no string is entered the password is returned to its default.
|
|
PROTOCOL
|
|
Type:
|
Register
|
|
Format:
|
AT [cmds] S8=n [cmds]
|
|
Description:
|
Selects the bit rate adaptation protocol the adapter will use.
|
|
Command
|
Function
|
|
S8=0
|
Adapter will use X.30.
|
|
S8=1
|
Adapter will use V.110.
|
|
SERVICE INDICATOR
|
|
Type:
|
Register
|
|
Format:
|
AT [cmds] S6=n [cmds]
|
|
Description:
|
Sets the 1TR6 Service Indicator.
|
|
Command
|
Function
|
|
í S6=3
|
1TR6 Service Indicator set for data transmission.
|
|
S6=7
|
1TR6 Service Indicator set for X.21 services.
|
|
SUBADDRESS
|
|
Type:
|
Register
|
|
Format:
|
AT [cmds] S7=n [cmds]
|
|
Description:
|
Sets the subaddress to a value from 1 to 8.
|
|
SUBADDRESS COPYING
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %En [cmds]
|
|
Description:
|
Selects whether the adapter will copy the subaddress to the call number.
|
|
Command
|
Function
|
|
í %E0
|
Subaddress copying disabled.
|
|
%E1
|
Subaddress copying enabled.
|
|
SUBADDRESS - SETUP
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Pn [cmds]
|
|
Description:
|
Selects which subaddress the adapter sends during call setup.
|
|
Command
|
Function
|
|
í %P0
|
Adapter sends remote port subaddress.
|
|
%P1
|
Adapter sends local port subaddress.
|
|
SUBADDRESS SOURCE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %On [cmds]
|
|
Description:
|
Selects the source of the subaddress sent to the remote system.
|
|
Command
|
Function
|
|
í %O0
|
Taken from call number string.
|
|
%O1
|
Global call sent in-band.
|
|
%O2
|
Stored port subaddress sent in-band.
|
|
%O3
|
Stored port subaddress sent in-band and during call setup.
|
|
SWITCH TYPE
|
|
Type:
|
Configuration
|
|
Format:
|
AT [cmds] %Fn [cmds]
|
|
Description:
|
Selects the switch type the adapter is connected to.
|
|
Command
|
Function
|
|
í %F0
|
Adapter is connected to National NI-1 switch.
|
|
%F1
|
Adapter is connected to AT&T 5E6 switch.
|
|
%F2
|
Adapter is connected to AT&T 5E8 switch.
|
|
%F3
|
Adapter is connected to Northern Telecom DMS-100 switch.
|
Proprietary V.25bis Command Set
|
CALL REQUESTED NUMBER
|
|
Type:
|
Immediate
|
|
Format:
|
CRN <#>
|
|
Description:
|
Dials the number given; it will ignore spaces and hyphens in the string; if the string is more than fifty characters long, a result of INV will be returned.
|
|
Command
|
Function
|
|
CRN <#>*n
|
Dials the number indicated and requests subaddress n.
|
|
CRN <#>/n
|
Dials the number indicated and requests subaddress n.
|
|
CTS SIGNAL
|
|
Type:
|
Configuration
|
|
Format:
|
PRO4;n
|
|
Description:
|
Controls the behaviour of the CTS signal.
|
|
Command
|
Function
|
|
í PRO4;0
|
CTS follows RTS.
|
|
PRO4;1
|
CTS forced high.
|
|
PRO4;2
|
CTS controlled by remote; high when connection is made at 48Kbps or less.
|
|
DCD SIGNAL
|
|
Type:
|
Configuration
|
|
Format:
|
PRO6;n
|
|
Description:
|
Controls the behaviour of the DCD signal.
|
|
Command
|
Function
|
|
í PRO6;0
|
DCD high when call is synchronized.
|
|
PRO6;1
|
DCD forced high.
|
|
PRO6;2
|
DCD controlled by remote; high when connection is made at more than 48Kbps.
|
|
DISPLAY COMMAND SETTING
|
|
Type:
|
Immediate
|
|
Format:
|
RLO n
|
|
Description:
|
Displays the setting of the indicated option set with PROn; the adapter will respond with LSOn;a where a is the setting. Two values may be displayed that may not be set with PROn. They are listed below. If no value is given all options are listed.
|
|
Command
|
Value
|
Meaning
|
|
RLO 8
|
0
|
Terminal is in asynchronous mode.
|
|
|
1
|
Terminal is in synchronous mode.
|
|
RLO 9
|
3
|
1TR6 Service Indicator set for data transmission.
|
|
|
7
|
1TR6 Service Indicator set for X.21 services.
|
|
DISPLAY STORED NUMBER
|
|
Type:
|
Immediate
|
|
Format:
|
RLN n
|
|
Description:
|
Displays the telephone number stored in memory location n. If no location is specified, all stored numbers are listed.
|
|
DSR SIGNAL
|
|
Type:
|
Configuration
|
|
Format:
|
PRO5;n
|
|
Description:
|
Controls the behaviour of the DSR signal.
|
|
Command
|
Function
|
|
í PRO5;0
|
DSR high when connection is successful.
|
|
PRO5;1
|
DSR forced high.
|
|
PRO5;2
|
DSR controlled by remote; high when connection is made at more than 48Kbps.
|
|
PRO5;3
|
DSR high when connection is synchronized.
|
|
ECHO
|
|
Type:
|
Configuration
|
|
Format:
|
PRO2;n
|
|
Description:
|
Selects whether the modem will echo data received from the DTE back.
|
|
Note:
|
This command has no effect in synchronous mode.
|
|
Command
|
Function
|
|
PRO2;0
|
Echo disabled.
|
|
í PRO2;1
|
Echo enabled.
|
|
INCOMING CALL INFORMATION
|
|
Type:
|
Configuration
|
|
Format:
|
PRO7;n
|
|
Description:
|
Selects whether the INC message is V.25bis standard or displays extra information.
|
|
Command
|
Function
|
|
PRO7;0
|
INC message is V.25bis standard.
|
|
PRO7;1
|
INC message displays extra information.
|
|
PROTOCOL
|
|
Type:
|
Register
|
|
Format:
|
PRO3;n
|
|
Description:
|
Selects the bit rate adaptation protocol the adapter will use.
|
|
Command
|
Function
|
|
PRO3;0
|
Adapter will use X.30.
|
|
PRO3;1
|
Adapter will use V.110.
|
|
RESET TO SWITCH DEFAULTS
|
|
Type:
|
Immediate
|
|
Format:
|
PRO0;0
|
|
Description:
|
Resets the configuration of the adapter to the settings of S1, S2, and S3.
|
|
SUBADDRESS
|
|
Type:
|
Configuration
|
|
Format:
|
PRO1;n
|
|
Description:
|
Sets the subaddress to a value from 1 to 8.
|
|