3.2 SYSTEM SETTING
Jumper pins allow you to set specific system parameters. Set them by changing the pin location of jumper blocks. (A jumper block is a small
We will show the locations of the
CAUTION: Do not touch any electronic component unless you are safely grounded. Wear a grounded wrist strap or touch an exposed metal part of the system unit chassis. The static discharges from your fingers can permanently damage electronic components.
3.2.1 Serial Port
(1) RS-485 Adapter Select (JP3 & JP11)
JP3 and JP11 can be set independently. JP3 selects
1
2
3
JP3
1
2
3
Reserved for Acrosser's | |
(Factory Preset) |
Figure 3-2 JP3: RS-485 Adapter Select for COM-A
JP11
1 | 2 | 3 | 1 | 2 | 3 |
Reserved for Acrosser's | |||||
(Factory Preset) |
Figure 3-3 JP11: RS-485 Adapter Select —COM-B
(2) RS-232 Connector (DB1 & DB2)
There are two serial ports with EIA
DB1 (COM A) | DB2 (COM B) |
GND 5 | GND 5 |
TXD 3 | TXD 3 |
RXD 2 | RXD 2 |