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3.2
DB-9 CONNECTOR
Below in Figure 3-2 is the DB-9 shielded twisted pair port. Table
3-1 shows the pinouts for the shielded twisted pair port.
Figure 3-2. DB-9 Shielded Twisted Pair Port
3.2.1 DB-9 Port Pinouts
The DB-9 connector pinouts are listed in the table below.
Pin
1
2
3
4
Connector
Shell
5
4
3
9
8
Signal
RX+
Logic Gnd.
+5 Vdc
Logic Gnd.
Chassis Gnd.
Table 3-1. DB-9 Port Pinouts
NETWORK CONNECTIONS
2
1
7
6
Pin
5
6
7
Logic Gnd.
8
Logic Gnd.
9
Signal
TX-
RX-
TX+
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