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3Com U.S. Robotics ISDN Pro TA¶
A ISDN terminal adapter made by U.S. Robotics.
Website
https://www.usr-emea.com/support/s-prod-template.asp?loc=emea&prod=3469
https://support.usr.com/support/doc-popup-template.asp?url=faqs/analog/isdntafaq.html&loc=emea
- USR_ISDN_Pro_TA-datasheet-en.pdf
- USR_ISDN_Pro_TA-installation-guide-en.pdf
- USR_ISDN_Pro_TA-manual-en.pdf (includes AT command documentation)
| Supply Voltage | 12-20V DC |
| Power Consumption | ~6.0W |
| RS232 Connector | DB25 |
| USB Connector | USB Type B |
| Line Connector | RJ45 |
| Analog Conectors | RJ11 |
The serial port can be accessed either via the RS232 or via USB (integrated USB to serial converter).
minicom -b 115200 -D /dev/ttyACM1
USB
Bus 003 Device 023: ID 04c1:008f U.S. Robotics (3Com) Pro ISDN TA
usb 3-6.3.1: new full-speed USB device number 23 using xhci_hcd usb 3-6.3.1: New USB device found, idVendor=04c1, idProduct=008f, bcdDevice= 2.24 usb 3-6.3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 3-6.3.1: Product: 3Com U.S. Robotics ISDN Pro TA usb 3-6.3.1: Manufacturer: 3Com Inc. usb 3-6.3.1: SerialNumber: 1PTAF77C00EK cdc_acm 3-6.3.1:1.0: ttyACM1: USB ACM device
ATI Commands¶
Information¶
ATI
346900
OK
ATI0
346900
OK
ATI1
8EB4
OK
...
...
...
ATI4
3Com U.S. Robotics ISDN Pro TA Settings...
E1 Q0 V1 X1
BAUD=115200 PARITY=E WORDLEN=7 ON HOOK DTE=USB
&A3 &B1 &C1 &D2 &H1 &I0 &R2 &S0 *F=0 *G=1
*X0=2048 *X1=7 *X2=1 *X3=1
S00=001 S01=000 S02=043 S03=013 S04=010 S05=008 S07=060 S12=050
S13=000 S14=000 S19=000 S22=017 S23=019 S24=150 S25=005 S38=000
S67=000 S69=004 S80=002 S83=003 S84=000 S85=000
LAST DIALED DATA CALL #:
OK
ATI5
3Com U.S. Robotics ISDN Pro TA NVRAM Settings...
E1 Q0 V1 X1
BAUD=9600 PARITY=E WORDLEN=7
&A3 &B1 &C1 &D2 &H1 &I0 &R2 &S0 *F=0 *G=1
*X0=2048 *X1=7 *X2=1 *X3=1
S00=001 S02=043 S03=013 S04=010 S05=008 S07=060 S12=050 S13=000
S14=000 S19=000 S22=017 S23=019 S24=150 S25=005 S38=000 S67=000
S69=004 S80=002 S83=003 S84=000 S85=000
STORED PHONE NUMBERS
0: 1:
2: 3:
4: 5:
6: 7:
8: 9:
OK
ATI6
3Com U.S. Robotics ISDN Pro TA Data Call Statistics...
Chars sent 0 Chars Received 0
Octets sent 0 Octets Received 0
Packets sent 0 Packets Received 0
Packets resent 0
Protocol NONE
Data Compression NONE
Speed 000
Last Call 00:00:00
No Connection
OK
ATI7
3Com U.S. Robotics ISDN Pro TA Hardware Profile...
Product type CCITT External S/T
Product ID 99346900
Clock Freq 48 MHz
Eprom 1024k
Ram 512K
Code date 11/10/00
Code rev 2.2.4
Serial Number 1PTAF77C00EK
OK
...
...
...
ATI12
3Com U.S. Robotics ISDN Pro TA Switch Settings...
Switch Protocol *W =0 EuroISDN
Phone Numbers (DN):
Area Code *P0=
MSN1 *P1=
MSN2 *P2=
MSN3 *P3=
Multipoint *M =1 Multi-point
TEI *T1=255 Automatic
AO/DI *A =0 Disabled
Packet MSN *PD=
Packet TEI *TD=021 Fixed
Carrier *C0= Long Distance Packet Carrier
Rev. Charge *Y =0 Disabled
Device Status: Looking for ISDN Line...
OK
...
...
...
ATI15
3Com U.S. Robotics ISDN Pro TA Phone Port Settings...
Outgoing Voice Bearer Capabilities
Phone Port 1 #B1=0 3.1 Khz
Phone Port 2 #B2=0 3.1 Khz
Call Routing
Phone Port 1 #R1=1
Phone Port 2 #R2=2
Data Port *R =8 Any MSN
Volume Control
Phone Port 1 Receive #VR1=3 Transmit #VT1=3
Phone Port 2 Receive #VR2=3 Transmit #VT2=3
Supplementary Services
Phone Port 1 #S1=1
Voice coding #M =0 A-law
CallerID CLIR
Phone Port 1 #I1=3 #P1=1 #A1=2
Phone Port 2 #I2=3 #P2=1 #A2=1
Data Port #P3=1
OK
ATI16
3Com U.S. Robotics ISDN Pro TA Data Protocol Settings...
Incoming Protocol *VI =0 Auto Detect
Outgoing Protocol *VO =5 PPP
PPP mode *PPP=4 Multi Link PPP with DBA
AO/DI with DBA *A0 =2 2B+D maximum
BACP *B =1 Enabled
Dial-out prefix for BACP callback *C1 =
Long Distance Dial-out prefix *C2 =1
Callback for AO/DI calls *C3 =0 Disabled
Dynamic Bandwidth Allocation Settings B1(AO/DI) B2(MLPPP)
Sample time to add B-channel *A1=10 *D1=5 Seconds
Sample time to drop B-channel *A2=360 *D2=180 Seconds
Threshold level to add B-channel *A3=80 *D3=75 %
Threshold level to drop B-channel *A4=10 *D4=50 %
Dynamic Voice Override *E=1 Enabled for Incoming/Outgoing
Compression Mode *K=1 Auto Compression
MLPPP Endpoint Discriminator Class *U=0 Automatic
Authentication Protocol Select *AU=0 Automatic
OK
ATI17
3Com U.S. Robotics ISDN Pro TA Outgoing Call Logging...
Current Time: 00:00:00 01-01-1996
Called Number Port Date Time Type Charge-Info
OK
ATI18
3Com U.S. Robotics ISDN Pro TA Incoming Call Logging...
Current Time: 00:00:00 01-01-1996
Calling Number Port Date Time Type
OK
ATI19
3Com U.S. Robotics ISDN Pro TA Call Screening...
Number -ADP1- -ADP2- -DDP-
01:
02:
03:
04:
05:
06:
07:
08:
09:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
OK
ATI20
3Com U.S. Robotics ISDN Pro TA Call Forwarding...
User Status Network Status
Forwarding Numbers for
Unconditional# : Disabled Disabled
Busy# : Disabled Disabled
No Response# : Disabled Disabled
Deflection# : Disabled Disabled
Forwarding Numbers for
Unconditional# : Disabled Disabled
Busy# : Disabled Disabled
No Response# : Disabled Disabled
Deflection# : Disabled Disabled
Forwarding Numbers for
Unconditional# : Disabled Disabled
Busy# : Disabled Disabled
No Response# : Disabled Disabled
Deflection# : Disabled Disabled
OK
Important AT commands¶
# set ISDN switch Type to DSS1 AT*W=n n=0 DSS1/EuroISDN n=1 DMS-100 n=2 National ISDN-1 (default) n=3 National ISDN-2 n=4 5ESS Custom Multipoint n=5 5ESS Custom Point-to-Point n=6 Leased Line 64 kbps (1 B-channel) n=7 Leased Line 128 kbps (2 B-channels) # set MSN1/MSN2/MSN3 AT*P1=5210 AT*P2=5211 AT*P3=5212 # show MSN ATI12
| Bearer protocol | AT-command |
|---|---|
| V120_56K | AT*VI=1*VO=1S67=2 |
| V120_64K | AT*VI=1*VO=1S67=0 |
| PPP_56K | AT*VI=0*VO=5*PPP=1S67=2 |
| PPP_64K | AT*VI=0*VO=5*PPP=1S67=0 |
| PPP_112K | AT*VI=0*VO=5*PPP=3S67=2 |
| PPP_128K | AT*VI=0*VO=5*PPP=3S67=0 |
| HDLC_PPP_DOV | AT*VI=0*VO=5*PPP=3S67=0S69=36 |
| HDLC_PPP_128K_CHAP | AT*VI=0*VO=5*PPP=3S67=0*AU=1 |
| HDLC_PPP_128K_MSCHAP | AT*VI=0*VO=5*PPP=3S67=0*AU=1 |
| X75_64K | AT*VI=6*VO=6 |
Updated by roox 3 months ago · 2 revisions
