User manual

AIMB-556 User Manual 14
1.8.4 COM2 RS-232/422/485 mode selector (JESTCOM2)
Users can use JESTCOM2 to select among RS-232/422/485 modes for
COM2. The default setting is RS-232.
Figure 1.4: COM2 RS-232/422/485 Jumper setting
Table 1.6: COM2 RS-232/422/485 mode selector
Function Jumper Setting
RS-232 (5-6) + (7-9) + (8-10) + (13-15) + (14-16) closed
RS-422 (3-4) + (9-11) + (10-12) + (15-17) + (16-18) closed
RS-485 (1-2) + (9-11) + (10-12) + (15-17) + (16-18) closed