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 |