Version 1 - History - US Robotics ISDN Pro TA - Retronetworking - Open Source Mobile Communications

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h1. 3Com U.S. Robotics ISDN Pro TA

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A ISDN terminal adapter made by U.S. Robotics.

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Website

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https://www.usr-emea.com/support/s-prod-template.asp?loc=emea&prod=3469

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https://support.usr.com/support/doc-popup-template.asp?url=faqs/analog/isdntafaq.html&loc=emea

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Manual

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* attachment:USR_ISDN_Pro_TA-datasheet-en.pdf

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* attachment:USR_ISDN_Pro_TA-installation-guide-en.pdf

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* attachment:USR_ISDN_Pro_TA-manual-en.pdf (includes AT command documentation)

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{{thumbnail(USR_ISDN_Pro_TA-case1.jpg)}}

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{{thumbnail(USR_ISDN_Pro_TA-case2.jpg)}}

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{{thumbnail(USR_ISDN_Pro_TA-case3.jpg)}}

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{{thumbnail(USR_ISDN_Pro_TA-power-supply.jpg)}}

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{{thumbnail(USR_ISDN_Pro_TA-pcb-top1.jpg)}}

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{{thumbnail(USR_ISDN_Pro_TA-pcb-top2.jpg)}}

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{{thumbnail(USR_ISDN_Pro_TA-pcb-top3.jpg)}}

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{{thumbnail(USR_ISDN_Pro_TA-pcb-bottom.jpg)}}

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|Supply Voltage|12-20V DC|

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|Power Consumption|~6.0W|

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|RS232 Connector|DB25|

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|USB Connector|USB Type B|

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|Line Connector|RJ45|

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|Analog Conectors|RJ11|

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The serial port can be accessed either via the RS232 or via USB (integrated USB to serial converter).

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@minicom -b 115200 -D /dev/ttyACM1@

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USB

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<pre>

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Bus 003 Device 023: ID 04c1:008f U.S. Robotics (3Com) Pro ISDN TA

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</pre>

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<pre>

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usb 3-6.3.1: new full-speed USB device number 23 using xhci_hcd

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usb 3-6.3.1: New USB device found, idVendor=04c1, idProduct=008f, bcdDevice= 2.24

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usb 3-6.3.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3

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usb 3-6.3.1: Product: 3Com U.S. Robotics ISDN Pro TA

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usb 3-6.3.1: Manufacturer: 3Com Inc.

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usb 3-6.3.1: SerialNumber: 1PTAF77C00EK

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cdc_acm 3-6.3.1:1.0: ttyACM1: USB ACM device

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</pre>

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h2. ATI Commands

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h2. Information

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<pre>

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ATI

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OK

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ATI0

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OK

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ATI1

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8EB4

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OK

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...

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...

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...

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ATI4

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3Com U.S. Robotics ISDN Pro TA Settings...

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   E1  Q0  V1  X1

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   BAUD=115200 PARITY=E  WORDLEN=7  ON HOOK  DTE=USB

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   &A3  &B1  &C1  &D2  &H1  &I0  &R2  &S0  *F=0  *G=1

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   *X0=2048  *X1=7  *X2=1  *X3=1

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   S00=001  S01=000  S02=043  S03=013  S04=010  S05=008  S07=060  S12=050

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   S13=000  S14=000  S19=000  S22=017  S23=019  S24=150  S25=005  S38=000

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   S67=000  S69=004  S80=002  S83=003  S84=000  S85=000

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   LAST DIALED DATA CALL #:

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OK

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ATI5

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3Com U.S. Robotics ISDN Pro TA NVRAM Settings...

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   E1  Q0  V1  X1

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   BAUD=9600   PARITY=E  WORDLEN=7

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   &A3  &B1  &C1  &D2  &H1  &I0  &R2  &S0   *F=0  *G=1

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   *X0=2048  *X1=7  *X2=1  *X3=1

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   S00=001  S02=043  S03=013  S04=010  S05=008  S07=060  S12=050  S13=000

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   S14=000  S19=000  S22=017  S23=019  S24=150  S25=005  S38=000  S67=000

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   S69=004  S80=002  S83=003  S84=000  S85=000

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      STORED PHONE NUMBERS

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0:                                      1:

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2:                                      3:

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4:                                      5:

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6:                                      7:

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8:                                      9:

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OK

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ATI6

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3Com U.S. Robotics ISDN Pro TA  Data Call Statistics...

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Chars sent                    0      Chars Received                0

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Octets sent                   0      Octets Received               0

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Packets sent                  0      Packets Received              0

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Packets resent                0

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Protocol               NONE

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Data Compression       NONE

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Speed                  000

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Last Call              00:00:00

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No Connection

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OK

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ATI7

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3Com U.S. Robotics ISDN Pro TA Hardware Profile...

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Product type           CCITT External S/T

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Product ID             99346900

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Clock Freq             48 MHz

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Eprom                  1024k

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Ram                    512K

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Code date              11/10/00

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Code rev               2.2.4

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Serial Number          1PTAF77C00EK

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OK

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...

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...

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...

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ATI12

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3Com U.S. Robotics ISDN Pro TA Switch Settings...

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Switch Protocol  *W =0                   EuroISDN

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Phone Numbers (DN):

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     Area Code   *P0=

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     MSN1        *P1=

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     MSN2        *P2=

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     MSN3        *P3=

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Multipoint       *M =1                   Multi-point

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TEI              *T1=255                 Automatic

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AO/DI            *A =0                   Disabled

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     Packet MSN  *PD=

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     Packet TEI  *TD=021                 Fixed

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     Carrier     *C0=                    Long Distance Packet Carrier

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     Rev. Charge *Y =0                   Disabled

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Device Status:  Looking for ISDN Line...

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OK

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...

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...

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...

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ATI15

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3Com U.S. Robotics ISDN Pro TA Phone Port Settings...

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Outgoing Voice Bearer Capabilities

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  Phone Port 1 #B1=0   3.1 Khz

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  Phone Port 2 #B2=0   3.1 Khz

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Call Routing

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  Phone Port 1 #R1=1

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  Phone Port 2 #R2=2

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  Data  Port   *R =8   Any MSN

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Volume Control

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  Phone Port 1 Receive #VR1=3     Transmit #VT1=3

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  Phone Port 2 Receive #VR2=3     Transmit #VT2=3

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Supplementary Services

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  Phone Port 1 #S1=1

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Voice coding   #M =0   A-law

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              CallerID    CLIR

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Phone Port 1  #I1=3       #P1=1       #A1=2

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Phone Port 2  #I2=3       #P2=1       #A2=1

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Data  Port                #P3=1

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OK

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ATI16

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3Com U.S. Robotics ISDN Pro TA Data Protocol Settings...

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   Incoming Protocol                  *VI =0      Auto Detect

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   Outgoing Protocol                  *VO =5      PPP

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   PPP mode                           *PPP=4      Multi Link PPP with DBA

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   AO/DI with DBA                     *A0 =2      2B+D maximum

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   BACP                               *B  =1      Enabled

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   Dial-out prefix for BACP callback  *C1 =

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   Long Distance Dial-out prefix      *C2 =1

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   Callback for AO/DI calls           *C3 =0      Disabled

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Dynamic Bandwidth Allocation Settings B1(AO/DI)   B2(MLPPP)

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   Sample time to add B-channel       *A1=10      *D1=5     Seconds

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   Sample time to drop B-channel      *A2=360     *D2=180   Seconds

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   Threshold level to add B-channel   *A3=80      *D3=75    %

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   Threshold level to drop B-channel  *A4=10      *D4=50    %

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Dynamic Voice Override                *E=1        Enabled for Incoming/Outgoing

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Compression Mode                      *K=1        Auto Compression

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MLPPP Endpoint Discriminator Class    *U=0        Automatic

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Authentication Protocol Select        *AU=0       Automatic

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OK

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ATI17

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3Com U.S. Robotics ISDN Pro TA Outgoing Call Logging...

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Current Time: 00:00:00 01-01-1996

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Called Number        Port     Date    Time  Type  Charge-Info

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OK

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ATI18

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3Com U.S. Robotics ISDN Pro TA Incoming Call Logging...

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Current Time: 00:00:00 01-01-1996

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Calling Number       Port     Date    Time  Type

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OK

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ATI19

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3Com U.S. Robotics ISDN Pro TA Call Screening...

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   Number                   -ADP1-   -ADP2-   -DDP-

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OK

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ATI20

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3Com U.S. Robotics ISDN Pro TA Call Forwarding...

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                                    User Status   Network Status

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 Forwarding Numbers for

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Unconditional# :                     Disabled       Disabled

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Busy#          :                     Disabled       Disabled

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No Response#   :                     Disabled       Disabled

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Deflection#    :                     Disabled       Disabled

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 Forwarding Numbers for

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Unconditional# :                     Disabled       Disabled

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Busy#          :                     Disabled       Disabled

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No Response#   :                     Disabled       Disabled

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Deflection#    :                     Disabled       Disabled

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  Forwarding Numbers for

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Unconditional# :                     Disabled       Disabled

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Busy#          :                     Disabled       Disabled

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No Response#   :                     Disabled       Disabled

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Deflection#    :                     Disabled       Disabled

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OK

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</pre>

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h2. Important AT commands

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<pre>

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# set ISDN switch Type to DSS1

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AT*W=n

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n=0 DSS1/EuroISDN

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n=1 DMS-100

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n=2 National ISDN-1 (default)

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n=3 National ISDN-2

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n=4 5ESS Custom Multipoint

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n=5 5ESS Custom Point-to-Point

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n=6 Leased Line 64 kbps (1 B-channel)

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n=7 Leased Line 128 kbps (2 B-channels)

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# set MSN1/MSN2/MSN3

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AT*P1=5210

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AT*P2=5211

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AT*P3=5212

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# show MSN

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ATI12

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</pre>

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|_.Bearer protocol|_.AT-command|

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|V120_56K	      | AT*VI=1*VO=1S67=2            |

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|V120_64K	      | AT*VI=1*VO=1S67=0            |

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|PPP_56K	      | AT*VI=0*VO=5*PPP=1S67=2      |

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|PPP_64K	      | AT*VI=0*VO=5*PPP=1S67=0      |

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|PPP_112K	      | AT*VI=0*VO=5*PPP=3S67=2      |

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|PPP_128K             | AT*VI=0*VO=5*PPP=3S67=0      |

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|HDLC_PPP_DOV         | AT*VI=0*VO=5*PPP=3S67=0S69=36|

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|HDLC_PPP_128K_CHAP   | AT*VI=0*VO=5*PPP=3S67=0*AU=1 |

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|HDLC_PPP_128K_MSCHAP | AT*VI=0*VO=5*PPP=3S67=0*AU=1 |

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|X75_64K              | AT*VI=6*VO=6                 |

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