3 
TABLE OF CONTENTS 
INTRODUCTION .......................................................................................................................................................... 9 
Purpose of this manual ......................................................................................................................................... 9 
Device overview .................................................................................................................................................... 9 
System Architecture ............................................................................................................................................ 10 
Device components ............................................................................................................................................. 11 
Related documentation ....................................................................................................................................... 11 
PREPARING FOR INSTALLATION .......................................................................................................................... 12 
Contents of the box ............................................................................................................................................. 12 
Multi device .................................................................................................................................................... 12 
Device support kit .......................................................................................................................................... 12 
Optional Boards (included into a separate box) ............................................................................................. 12 
Spare Parts ......................................................................................................................................................... 13 
Mounting tools ..................................................................................................................................................... 13 
Calculation of the current provided by Multi ........................................................................................................ 13 
Wires Characteristics .......................................................................................................................................... 15 
Power supply wire .......................................................................................................................................... 15 
Network wire .................................................................................................................................................. 15 
Readers wires ................................................................................................................................................ 15 
RS485 Data Cables (for OSDP reader connection) ................................................................................ 15 
Wiegand reader cables ........................................................................................................................... 16 
Input wires ..................................................................................................................................................... 16 
Output cable .................................................................................................................................................. 16 
MOUNTING THE DEVICE ......................................................................................................................................... 17 
Wall mount .......................................................................................................................................................... 17 
DIN rail mount ..................................................................................................................................................... 18 
IP32 protection mount ......................................................................................................................................... 18 
CONNECTING THE CABLES ................................................................................................................................... 20 
Connecting the DC Power Supply ....................................................................................................................... 21 
Connecting the network cable ............................................................................................................................. 22 
Connecting the readers ....................................................................................................................................... 24 
Reader in position 1 ....................................................................................................................................... 26 
Reader in position 2 ....................................................................................................................................... 26 
Reader in position 3 ....................................................................................................................................... 27 
Reader in position 4 ....................................................................................................................................... 27 
RS485 line length setting ............................................................................................................................... 28 
Connecting Inputs ............................................................................................................................................... 29 
Connecting Fixed Inputs ................................................................................................................................ 30 
Fixed Input 1 ........................................................................................................................................... 30 
Fixed Input 2 ........................................................................................................................................... 30 
Fixed Input 3 ........................................................................................................................................... 31 
Fixed Input 4 ........................................................................................................................................... 31 
Connecting configurable Inputs ..................................................................................................................... 32 
Configurable Input 1 ............................................................................................................................... 32 
Configurable Input 2 ............................................................................................................................... 32 
Configurable Input 3 ............................................................................................................................... 33