ADLINK cPCI-6965 - Manual (Page 59)

Board Interfaces 45
cPCI-6965
4.10 Switch and Jumper Settings
COM1 Mode Selection Switches (SW1~SW4)
This is switch is to select COM1 to be RS-232 full modem or
RS-422, RS-485, RS-485+ half Duplex mode. RS-232 full
modem is set by default.
Table 4-18: COM1 Mode Switch Settings
Location SW1 SW2 SW3 SW4
RS-232
Full Modem
1 OFF ON ON ON
2 OFF OFF OFF OFF
3 OFF OFF ON ON
4 OFF OFF OFF OFF
RS-422
Half Duplex
1 ON OFF OFF OFF
2 ON ON ON ON
3 OFF OFF OFF OFF
4 OFF OFF ON ON
RS-485
Half Duplex
1 ON OFF OFF OFF
2 ON OFF ON ON
3 OFF ON OFF OFF
4 OFF OFF ON ON
RS-485+
Half Duplex
1 OFF OFF OFF OFF
2 OFF OFF ON ON
3 ON OFF OFF OFF
4 ON ON ON ON