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  1. OptoPcScc. IBMPC 4 channel HDLC interface             Revised:  900505
  2. 890826                                                Revision: 4
  3.  
  4. Bill of materials IBMPC 4 channel HDLC interface
  5.  
  6.  Item  Quantity  Reference                 Part
  7. ___________________________________________________________
  8.  
  9.     1       2    U1,U2                     Z8530H6
  10.  
  11.     2       4    U3,U4,U5,U6               74LS14
  12.  
  13.     3       4    U7,U8,U9,U10              4024
  14.  
  15.     4       1    U11                       74LS245
  16.  
  17.     5       1    U12                       20L10
  18.  
  19.     6       1    U13                       74LS368
  20.  
  21.     7       4    U14,U15,U16,U17           PC847
  22.  
  23.     8       1    Q1                        BC549
  24.  
  25.     9       1    X1                        4.9152 MHz
  26.  
  27.    10       1    C1                        1n
  28.  
  29.    11       1    C2                        22u 10V
  30.  
  31.    12       7    C3,C4,C5,C6,C7,C8,C9      22n
  32.  
  33.    13       1    RS1                       4k7 SIL
  34.  
  35.    14       8    R1,R2,R3,R4,R5,R6,R7,R8   470
  36.  
  37.    15       8    R9,R10,R11,R12,R13,R14,   2K2
  38.                  R15,R16
  39.  
  40.    16       3    R17,R18,R19               4K7
  41.  
  42.    17       2    R21,R20                   1K
  43.  
  44.    18       1    J1                        HEADER 11 PIN
  45.  
  46.    19       3    JP1,J2,J3                 HEADER 5 PIN
  47.  
  48.    20       1    J4                        Part of printed circuit 890516@PA0HZP
  49.  
  50.    21       1    J5                        DB37 MALE
  51.  
  52.    22       1    J6                        DB37 FEMALE     (part of cable)
  53.  
  54.    23       4    J7,J8,J9,J10              DB9 MALE        (part of cable)
  55.  
  56.    24       1    JP2                       HEADER 3 PIN
  57.  
  58.    25       1    JP3                       HEADER 6X2 PIN
  59.  
  60.  
  61.