Hardware and Connection Setup
975-0200-01-01 5-7
5
Configuring Remote Control Using RS-485

RS-485 Communication Cable with RJ-45 to DB-9

Communication control cable with DB-9 pinout (female) on the PC side
(see Figure 5-2) and RJ-45 shielded connector on the power supply.
The cable length should be 9.84 feet (3 m) or longer.
Table 5-5
DB-9 Pinouts
Pin Name Description
1GND Ground
2, 3 NC No connection
4RXD+ Receive data Twisted
pair
5RXD– Receive data
6, 7 NC No connection
8TXD+ Transmit d ata Twisted
pair
9TXD– Transmit d ata
Table 5-6
RJ-45 Plug Pinouts
Pin Name Description
1, 2 NC No connection
3TXD+ Transmit d ata Twisted
pair
4TXD– Transmit d ata
5RXD+ Receive data Twisted
pair
6RXD– Receive data
7GND Ground
8NC No connection