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Internet Message Format  |  1994-11-13  |  4KB
  1. Date: Sun, 23 Oct 94 04:30:09 PDT
  2. From: Advanced Amateur Radio Networking Group <tcp-group@ucsd.edu>
  3. Errors-To: TCP-Group-Errors@UCSD.Edu
  4. Reply-To: TCP-Group@UCSD.Edu
  5. Precedence: List
  6. Subject: TCP-Group Digest V94 #237
  7. To: tcp-group-digest
  8.  
  9.  
  10. TCP-Group Digest            Sun, 23 Oct 94       Volume 94 : Issue  237
  11.  
  12. Today's Topics:
  13.                           Hardware rebooter
  14.  
  15. Send Replies or notes for publication to: <TCP-Group@UCSD.Edu>.
  16. Subscription requests to <TCP-Group-REQUEST@UCSD.Edu>.
  17. Problems you can't solve otherwise to brian@ucsd.edu.
  18.  
  19. Archives of past issues of the TCP-Group Digest are available
  20. (by FTP only) from UCSD.Edu in directory "mailarchives".
  21.  
  22. We trust that readers are intelligent enough to realize that all text
  23. herein consists of personal comments and does not represent the official
  24. policies or positions of any party.  Your mileage may vary.  So there.
  25. ----------------------------------------------------------------------
  26.  
  27. Date: Sat, 22 Oct 94 13:33:04 UTC
  28. From: ra3apw@gw.ra3apw.ampr.org
  29. Subject: Hardware rebooter
  30.  
  31.     After set up this hardware rebooter Russian gateway begin to  work
  32. without problems concerning lock of JNOS software.
  33.  
  34.     You have to add the next line in autoexec.nos file:
  35.  
  36.      ax25 bcinterval 420
  37.  
  38.     that will start beacon on ax25 port each 7 minuts.
  39.  
  40.     If software lock the hardware rebooter will wait 8 minuts and than
  41. make reboot the PC.
  42.  
  43.     ----------------------
  44.     |   |------------|   |        D2                        330k
  45.     |  7|            | 4 |   |------------|             ---RRRRR----gnd
  46.     |---|C2      1sec|---|   |    CT2     |             |
  47.        9|            |10    1|            |10     | |   |   VD1
  48.   gnd---|R2      1min|-------|C         Q3|-------| |---+-----[<----gnd
  49.        5|            |       |            |     2.| |   |
  50.   gnd---|R1          |       |            |             |    D3.2
  51.         |            |       |            |             |  3|------|4
  52.       12|            |13   13|            |             |---|  1   o---
  53.     ----|C1         Q|--   --|R           |                 |------|  |
  54.     |   |------------| |   | |------------|             --------------|
  55.     |         1M       |   |                            |    D3.3
  56.     |-------RRRRRR-----|   |                            |  5|-----|6
  57.     |             510k R   |                            |---|  1  o--|
  58.     |   32768 kHz      R   |----------------                |-----|  |
  59.     |--------|QQ|------|           D3.1    |                   1k    |
  60.   -----              -----       1!-----!2 |            -----RRRRRR--|
  61.   -----              -----    ----|  1  o--|            |
  62.     | 62 pF        20pF|      |   |-----|               |    |/------->
  63.     |                  |      |                         |----|        RESET
  64.    gnd                gnd     |                              |\
  65.                               |                         VT1    V
  66.     <-------------------------|                                |
  67.     PTT                                                        |
  68.                                                               gnd
  69.      D1  176IE12
  70.      D2  176IE1 (CD4024)
  71.      D3  176LN2 (CD4049)
  72.      VT1 any n-p-n transistor
  73.      VD1 any diod
  74.  
  75.      Pin "PTT" have to be connected to the out of driver  PTT  LED  in
  76.      TNC.
  77.  
  78.      Pin "RESET"  have to be connected to reset connector on the main-
  79.      board of the PC.
  80.  
  81.      73 de Karen              Packet:   RA3APW @ RA3APW.MSK.RUS.EU
  82.      Moscow, Russia           Internet: sysop@ampr.demos.su
  83.      Phone: +7-095-4746283    AMPRNet:  ra3apw@gw.ra3apw.ampr.org
  84.  
  85. ------------------------------
  86.  
  87. End of TCP-Group Digest V94 #237
  88. ******************************
  89.