Honeywell International Inc. VCU-03 用户手册

All the connections are on the back of the reader inside the round area. 

Figure 1 Connectors layout

J1

Ethernet interface

             RJ45 Female Connector

P4

Output interface

5Pin,--3.5MM pitch, Header connector

P5

TAMPER Switch interface 2Pin,--2.5MM Pitch, Header connector

P6

RS-485 communication 
interface

3Pin,--2.5MM Pitch, Header connector

P7

Inputs and DC power 
interface

6Pin,--3.5MM Pitch, Header connector

SW1

RS-485 length settings

2Pin,--1.27MM DIP switches

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