INSTALLATIONS
CN3, J2, J15, J16: Serial Ports
Pin #
Signal Name (RS-232)
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5 Ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator
10 No
Connect.
CN3 is the D-sub type COM1 serial port connector, while J2 (COM2),
J15 (COM3) and J16 (COM4) are shrouded pin headers.
COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Pin #
Signal Name
RS-232 R2-422 RS-485
1 DCD TX- DATA-
2 RX TX+ DATA+
3 TX RX+ NC
4 DTR RX-
NC
5 Ground Ground Ground
6 DSR RTS-
NC
7 RTS RTS+ NC
8 CTS CTS+ NC
9 RI CTS- NC
10 NC NC
NC
J3: Panel Inverter Power Connector
Pin #
Signal Name
1 +12V
2 ENABKL
3 Ground
MB892 User’s Manual
19
Содержание MB892
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