EVOC MEC--5004, Руководство пользователя

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Chapter 2 Installation
­ 8 ­ MEC­5004
Introduction on Special Interfaces
Select different interface modes through setup the jumper on the board.
1. Selection for the Compact Flash Card Power (JCF1)
Setup Function
[1­2] Short +3.3V
JCF1
[2­3] Short +5V (Default)
2. Selection for the COM1 RS­232/RS­422/RS­485 Mode (JPCOM1)
Setup Function
[1­2] Short [3­4] Short
[5­6] Short [7­8] Short
[9­10] Short [11­12] Short
Other pins are disconnected
RS­232 Mode
[13­14] Short [15­16] Short
[17­18] Shorted [19­20] Shorted
[21­22] Shorted [23­24] Shorted
Other pins are disconnected
RS­422 Mode
JPCOM1
[17­18] Shorted [19­20] Shorted
[21­22] Shorted [23­24] Shorted
[25­26]Shorted [27­28] Shorted
Other pins are disconnected
RS­485 Mode