Retronetworking

h1. U.S. Robotics Sportster MessagePlus (02206800)

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A popular 56k modem made by U.S. Robotics.

Website

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

Manual

* attachment:SportsterMessagePlus-Users_Guide_and_Reference.pdf

h2. Hardware

|Supply Voltage|9V DC|

|Power Consumption|~8.1W|

|RS232 Connector|DB25|

|Line Connector|RJ11|

{{thumbnail(USR_Sportster_Message_Plus-case-perspective-front1.jpg)}}

{{thumbnail(USR_Sportster_Message_Plus-case-perspective-back1.jpg)}}

{{thumbnail(USR_Sportster_Message_Plus-case-bottom1.jpg)}}

{{thumbnail(USR_Sportster_Message_Plus-pcb-perspective1.jpg)}}

{{thumbnail(USR_Sportster_Message_Plus-pcb-perspective-front1.jpg)}}

{{thumbnail(USR_Sportster_Message_Plus-pcb-perspective2.jpg)}}

{{thumbnail(USR_Sportster_Message_Plus-case-open1.jpg)}}

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

{{thumbnail(USR_Sportster_Message_Plus-pcb-back1.jpg)}}

{{thumbnail(USR_Sportster_Message_Plus-pcb-detail1.jpg)}}

{{thumbnail(USR_Sportster_Message_Plus-pcb-detail2.jpg)}}

{{thumbnail(USR_Sportster_Message_Plus-pcb-detail3.jpg)}}

More hires pictures can be found on wikipedia

https://de.wikipedia.org/wiki/Datei:U.S._Robotics_Sportster_Message_Plus-0342.jpg

h2. AT-commands

<pre>

ATI

5601

OK

ATI1

BC60

OK

ATI2

OK

OK

ATI3

U.S. Robotics 56K Message Rev. 12.1.25

OK

ATI4

U.S. Robotics 56K Message Settings...

   B0  E1  F1  L2  M1  Q0  V1  X3  Y0

   BAUD=115200  PARITY=N  WORDLEN=8

   DIAL=TONE    ON HOOK

   &A3  &B1  &C1  &D2  &H1  &I0  &K1

   &M4  &N0  &P0  &R2  &S0  &T5  &U0  &Y1  

   S00=000  S01=000  S02=043  S03=013  S04=010  S05=008  S06=003

   S07=060  S08=002  S09=006  S10=120  S11=085  S12=050  S13=000

   S15=000  S16=000  S18=000  S19=000  S21=010  S22=017  S23=019

   S25=005  S27=001  S28=008  S29=020  S30=000  S31=128  S32=002

   S33=000  S34=000  S35=000  S36=014  S38=000  S39=012  S40=008

   S41=004  S42=000  S43=112

   LAST DIALED #: 003012343038

OK

ATI5

U.S. Robotics 56K Message NVRAM Settings...

 Template Y0

   DIAL=PULSE  B0  E0  F1  L2  M1  Q0  V1  X4

   BAUD=115200  PARITY=N  WORDLEN=8

   &A3  &B1  &C1  &D0  &H1  &I0  &K1  &M4  &N0

   &P0  &R2  &S0  &T5  &U0  &Y1

   S00=000  S02=043  S03=013  S04=010  S05=008  S06=003  S07=060

   S08=002  S09=006  S10=014  S11=085  S12=050  S13=000  S15=000

   S19=000  S21=010  S22=017  S23=019  S25=005  S27=001  S28=008

   S29=020  S30=000  S31=128  S32=002  S33=000  S34=000  S35=000

   S36=014  S38=000  S39=012  S40=008  S41=004  S42=000  S43=057

Strike a key when ready . . .

 Template Y1

   DIAL=PULSE  B0  E1  F1  L2  M1  Q0  V1  X4

   BAUD=115200  PARITY=N  WORDLEN=8

   &A3  &B1  &C1  &D2  &H2  &I2  &K1  &M4  &N0

   &P0  &R1  &S0  &T5  &U0  &Y1

   S00=000  S02=043  S03=013  S04=010  S05=008  S06=003  S07=060

   S08=002  S09=006  S10=014  S11=085  S12=050  S13=000  S15=000

   S19=000  S21=010  S22=017  S23=019  S25=005  S27=001  S28=008

   S29=020  S30=000  S31=128  S32=002  S33=000  S34=000  S35=000

   S36=014  S38=000  S39=012  S40=008  S41=004  S42=000  S43=112

   STORED PHONE #0: 

                #1: 

                #2: 

                #3: 

OK

ATI6

U.S. Robotics 56K Message Link Diagnostics...

Chars sent                    0      Chars Received              994

Chars lost                    0

Octets sent                   0      Octets Received             410

Blocks sent                   0      Blocks Received               5

Blocks resent                 0

Retrains Requested            0      Retrains Granted              4

Line Reversals                0      Blers                         1

Link Timeouts                 3      Link Naks                     0

Data Compression       V42BIS 1024/32

Equalization           Long

Fallback               Enabled

Protocol               LAPM/SREJ

Speed                  31200/24000 

Last Call              00:01:05

Disconnect Reason is Unable to Retrain

OK

ATI7

Configuration Profile...

Product type           Germany External

Product ID:            02206800

Options                V32bis,V.34+,x2,V.90

Fax Options            Class 1/Class 2.0

Voice Options          Speaker Phone, TAD

Clock Freq             92.0Mhz

EPROM                  256k

RAM                    32k

FLASH date             8/18/98

FLASH rev              12.1.25

DSP date               8/18/98

DSP rev                12.1.25

OK

ATI8

Blacklist

Time: 00:02:24

Dialed Numbers: Empty

Dial Attempts:  Inactive

OK

ATI9

(1.0USR9100\\Modem\PNPC107\U.S. Robotics 56K Message)FF

OK

ATI11

U.S. Robotics 56K Message Link Diagnostics...

Modulation                  V.34+

Carrier Freq     (Hz)       1829/1920

Symbol Rate                 3200/3200

Trellis Code                64S-4D/64S-4D

Nonlinear Encoding          ON/ON

Precoding                   OFF/ON

Shaping                     OFF/ON

Preemphasis      (-dB)      0/4

Recv/Xmit Level  (-dBm)     18/16

Near Echo Loss   (dB)       46

Far Echo Loss    (dB)       68

Carrier Offset   (Hz)       1280

Round Trip Delay (msec)     199

Timing Offset    (ppm)      2048

SNR              (dB)       36

Speed Shifts Up/Down        0/0

Status :                    

OK

</pre>

h3. Important AT-commands

<pre>

# show help

AT$

# modem initialisation

AT&F1S0=0S7=60S10=255

</pre>