Adlink cPCI-3620 Manuel d'utilisateur Page 57

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Board Interfaces 45
cPCI-3620
COM3 Mode Selection Switches on RTM (SW5~SW8)
These switches on the RTM select COM3 to be RS-232 full
modem, RS-422, RS-485, or RS-485+ half-duplex mode.
RS-232 full modem is set by default. See “cPCI-R3610(T) RTM
Board Layout” on page 29 for switch locations.
Table 4-18: COM3 Mode Selection Switch Settings
Mode Pin SW5 SW6 SW7 SW8
RS-232
1 OFF ON ON ON
2OFFOFFOFFOFF
3 OFF ON ON OFF
4OFFOFFOFFOFF
RS-422
1ONOFFOFFOFF
2 OFF ON ON ON
3ONOFFOFFOFF
4 OFF ON ON OFF
RS-485
1ONOFFOFFOFF
2 OFF ON ON OFF
3ONOFFOFFON
4 OFF ON ON OFF
RS-485+
1OFFOFFOFFOFF
2ON ON ONOFF
3 OFF OFF OFF ON
4ON ON ONOFF
SW5 SW6 SW7 SW8
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