Exsys EX-47999 Instructions Manual

1

Thank you for purchasing this DB9-Female to 5-pin Terminal Blocks
RS422/485 Adapter. It is designed to convert the RS422/485

signals from the DB9 (male) to 5-pin 3.5mm Terminal Blocks. It
provides a flexible and reliable conversion for a DB9 based
RS422/485 port.

Features:

 Converts the DB9-male RS422/485 port to 5-pin Terminal Blocks

with its DB9-female Connector

 Supports RS422, RS485 4-wire and RS485 2-wire modes
 Supports Signal Ground over Terminal Blocks
 No Driver Required for All Operating Systems

5-pin Terminal Blocks Pin Assignment:

EX-47999

DB9-Female to TB5 RS422/485 Adapter

1. Introduction

2.

DB9 to 5

-

pin Terminal Bl

ocks Pin Assignment

DB9 female
connector

3.5mm pitch terminal

block connector

Secure lock
screws

-TXD+(DATA+)

-TXD-(DATA-)

-RXD+

-RXD-

-GND

TXD+(DATA+)

TXD-(DATA-)

RXD+

RXD-

GND

DB9-Female to TB5 RS422/485 Adapter

2

DB9-Female Pin Assignment:

RS422 Cable Wiring:

RS485 (2-wire) Cable Wiring:

3

. Female

DB9 Pin Assignments

TB-5

1 TXD+
2 TXD­ 3 RXD+
4 RXD-

5 GND

(RS422 Device)

1 TXD+
2 TXD­ 3 RXD+
4 RXD-

5 GND

NC = No connection

5 1

9 6

9 Pins Signal

1 TXD- (DATA-)
2 TXD+ (DATA+)
3 RXD+
4 RXD­ 5 GND
6 NC
7 NC
8 NC
9 NC

TB-5

1 DATA+
2 DATA­ 3 NC
4 NC

5 GND

(RS485 Device)

1 DATA+
2 DATA­ 3 NC
4 NC

5 GND

4. RS422 and R

S

485 Wiring over TB

-5