Hardware and Connection Setup

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 5-5DB-9 Pinouts

Pin

Name

Description

 

 

 

 

 

1

GND

Ground

 

2, 3

NC

No connection

 

4

RXD+

Receive data

Twisted

 

 

 

pair

5

RXD–

Receive data

6, 7

NC

No connection

 

8

TXD+

Transmit data

Twisted

 

 

 

pair

9

TXD–

Transmit data

 

 

 

 

Table 5-6

 

RJ-45 Plug Pinouts

 

 

 

 

 

 

Pin

 

Name

 

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1, 2

 

 

NC

 

No connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

TXD+

 

Transmit data

Twisted

 

 

 

 

 

 

 

 

pair

 

4

 

 

TXD–

 

Transmit data

5

5

 

 

RXD+

 

Receive data

Twisted

 

 

 

 

 

 

 

 

 

 

 

pair

 

6

 

 

RXD–

 

Receive data

 

 

7

 

 

GND

 

Ground

 

 

 

 

 

 

8

 

 

NC

 

No connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB-9 connector on PC

RJ-45 plug

Figure 5-5RS-485 Communication Cable with DB-9

M370078-01

5-7

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Xantrex Technology XG 850 manual Configuring Remote Control Using RS-485, RS-485 Communication Cable with RJ-45 to DB-9