Cpci-3620d com1 mode selection switches (sw1~sw4), Table 4-9, Cpci-3620d com1 mode selection switch settings – ADLINK cPCI-3620 User Manual

Page 47

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Board Interfaces

35

cPCI-3620

cPCI-3620D COM1 Mode Selection Switches (SW1~SW4)

These switches set the cPCI-3620D COM1 to RS-232 full
modem, RS-422, RS-485, or RS-485+ half-duplex mode.
Switches SW1~SW4 are located on the top edge of the
DB-3610L2 board. RS-232 full modem is set by default.

Table 4-9: cPCI-3620D COM1 Mode Selection Switch Settings

Mode

Pin

SW1

SW2

SW3

SW4

RS-232

1

ON

ON

ON

OFF

2

OFF

OFF

OFF

OFF

3

OFF

ON

ON

OFF

4

OFF

OFF

OFF

OFF

RS-422

1

OFF

OFF

OFF

ON

2

ON

ON

ON

OFF

3

OFF

OFF

OFF

ON

4

OFF

ON

ON

OFF

RS-485

1

OFF

OFF

OFF

ON

2

OFF

ON

ON

OFF

3

ON

OFF

OFF

ON

4

OFF

ON

ON

OFF

RS-485+

1

OFF

OFF

OFF

OFF

2

OFF

ON

ON

ON

3

ON

OFF

OFF

OFF

4

OFF

ON

ON

ON

SW1

SW2

SW3

SW4

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