AR-B1380/AR-B1380A User’ s Guide
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3.3.12 Serial Port
(1) JP11: RS-232/RS-485 Selector for CN5
The JP11 selects the on-board RS-232/RS-485 for COM B, if choose RS-232 connecting with CN7; if
choose RS-485 connecting with J9.
CN5: RS-232 or
RS-485 Selector
Setting
CN5 is RS-485
compatible
1-2,4-5,7-8
CN5 is RS-485
compatible
(Factory Preset)
2-3,5-6,8-9
Table 3-10 JP11: RS-232/RS-485 Select for CN5
(2) JP9: RS-485 Terminator Selector
RS-485 may need to be terminated when there are multiple blocks on one line.
JP9
RS-485 Terminator
Setting
1-2
Enable
2-3
(factory Preset)
Disable
Table 3-11 JP9: RS-485 Terminator
Summary of Contents for AR-B1380
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