Functions of Components
IPC-BX/M560(PCW)
43
Setting the RS-422/RS-485 receiver disable control jumper
When the RS-422/RS-485 port is used, the RTS signal is used for
driver enable control. Connecting JP19 pins 1 and 2 disables the
receiver at the same time, preventing the port from receiving output
data to an external device.
JP18
RAS connector
TXD
D
RTS
RXD
R
JP19
1 2 3
* The input/output connection for RS-485 (two-line transmission) must be done
inside the DB connector.
RX
−
TX+
RX+
TX
−
2
11
3
10
Figure 5.3. Half-duplex Connection (JP19 1-2 Connection)
1 2 3
JP18
RAS connector
TXD
D
RTS
RXD
R
JP19
RX
−
TX+
RX+
TX
−
2
11
3
10
Figure 5.4. Full-duplex Connection (JP19 2-3 Connection)
Содержание IPC-BX/M560
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