Lantronix MSS4 - RS-485 DB9 Connectors

Pinouts RS-485 Screw Terminal
C-2
RS-485 Screw Terminal
The following shows the pin connections of the MSS4 RS-485 screw terminal block.
Figure C-3: RS-485 Screw Terminal Block
RS-232 Screw Terminal
The following figure shows the pin connections of the MSS4 RS-232 screw terminal block.
Figure C-4: RS-232 Screw Terminal Block.
DB9 Connectors
The following sections show the pin connections of the MSS4 DB9 connectors, which provide dual RS-232/
RS-485 serial ports.
RS-485 DB9 Connectors
The MSS4 DB9 connector provides an RS-485 serial port.
Figure C-5: DB9 RS-485 Serial Connector
Ground
NC
RX-
RX+
TX+ TX-
NC
71
Ground
DSR
CTS
RX
TX
RTS
DTR
71
1
5
6
9
NC
TX+
RX+
NC
TX-
RX-