Computer Operated Switch(COS)
by Black Box

Last edited: December 15, 2003 08:07 AM
Cabling

        CPU(DB25F) to COS(DB25M)
       

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              2    —  2  TXD
              5    —  5  CTS
              6    —  6  DSR
              7    —  7  GND
              20    —  20  DTR

        COS(DB25F) to WD8340(RJ45M)
       

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              2    —  4  TXD
              6    —  5  RTS
              7    —  7  GND
Switches

        S1 – 7 Closed, Others Open for 9600 baud

        S2 – 3 Closed, Others Open for 04Hex Arming Code

        S3 – 4 Closed, Others Open for Word Format

        S4 – 4 Closed, Others Open to disable timeout

        Master Port Switches
       

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        S5 – 2,3 Closed; 1,4 Open
        S6 – 1,4,5,7 Closed; 2,3,6,8 Open

        Output Port Switches(S7 through S23)
       

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        S7(etc) – 2 Closed, Others Open  {8 Position Switches}
        S8(etc) – 1,4 Closed; 2,3, Open  {4 Position Switches}
Template Escape Sequences

        Output Port 0 – 4,48
        Output Port 1 – 4,49
        Output Port 2 – 4,50
        Output Port 3 – 4,51
        Output Port 4 – 4,52
        Output Port 5 – 4,53
        Output Port 6 – 4,54
        Output Port 7 – 4,55