ADLINK cPCI-R6700 Series - Manual (Page 32)

20 Board Interfaces
3.4 Switch Settings
COM2 Mode Switches (SW1, SW2)
The COM2 port on the cPCI-R6700 faceplate supports
RS-232/422/485 modes. Switches SW1 and SW2 can be used
to configure the COM2 port to the desired mode using the set-
tings shown below (set to RS-232 by default).
Table 3-4: COM2 Mode Switch Settings
Mode RS-232 (default) RS-422 RS-485
SW1
1, 4, 6 ON
(all others OFF) 2, 5, 7 ON
(all others OFF) 3, 5, 7 ON
(all others OFF)
SW2
1, 3 ON
(all others OFF) 2, 4, 5, 6 ON
(all others OFF) 2, 4, 5, 6 ON
(all others OFF)
SW1 SW2
ON
1
2
3
4
5
6 7
8
ON
1
2
3
4
5
6
7
8