beautypg.com

Connection to desktop reader via rs485, Rs485 bus based networking system – EverFocus EFC--02-1-A User Manual

Page 32

background image

24

5

3

2

RXD

GND

PC DB9

Serial

Port

12

13

14

Blue

Yellow

Red

TXD

Fig. 3.2 Connection to Computer via RS232

Connection to Desktop Reader via RS485

To connect the EverAccess Flex Series controller to the desktop reader via RS485

bus, terminal 10, 11 and 12 on the main module should be wired to the line 1, 2 and 3

in RJ45 head, as Fig 3.3 shows. The RJ45 head is provided with the EverAccess

desktop reader.

BA GND

POWER CARD TX

RX

EverAccess

8

1

1

2

3

12

11

10

Fig. 3.3 Connection to Desktop Reader via RS485

RS485 Bus Based Networking System

Multiple EverAccess controllers can be connected to accommodate larger access

control systems. The controllers are connected via RS485, as shown in Fig. 3.4. The

desktop reader (Part#: ERS-871) is a critical component of an RS485 bus based

Main module