
Secrure door control and I/O expansion
www.supremainc.com
(ver 1.0)
Installation Guide

2
ⒸCopyright 2010 Suprema Inc.
Contents
Product Contents 3
Front Panel Description 4
Rear Panel Description 5
Connectors for External Interfaces 6
Installation Example 8
Product Dimension 9
Power Connection 10
RS-485 Connection 11
Relay Connection 12
RTE Switch Connection 14
Fire Alarm Connection 15
System Specifications 16

3
ⒸCopyright 2010 Suprema Inc.
Product Contents
Basic Contents
Product Contents
Secure I/O
Wall mounting screws
120 Ohm Resistor & Diode

4
ⒸCopyright 2010 Suprema Inc.
Front Panel Description
RLY0 LED - Status of Relay0
RLY1 LED - Status of Relay1
RX LED - Status of RS-485 Rx signal
TX LED - Staus of RS-485 Tx signal
IN0 LED - Status of Input0
IN1 LED - Status of Input1
IN2 LED - Status of Input2
IN3 LED - Status of Input3
PWR LED - Power status
RUN LED - Status of Secure I/O oper atio n
RESET BUTTON - Secure I/O hardware reset
SYNC BUTTON - Syncronization between Secure I/O and dev
ice (BioStation/ BioEntry Plus) f or security by exchanging an e
ncryted keys. This prevents the operation of Secure I/O when
the external device has been exchanged by an intruder. Sync
button should be pressed when a device is set as a host in a
RS-485 loop.

5
ⒸCopyright 2010 Suprema Inc.
Rear Panel Description
ID = 0 ID = 1
ID = 2 ID = 3
ID0 / ID1 - Dip switch to set an ID of Secure I/O
Since max number of Secure I/O in an RS-485 loop is four,
the ID of Secure I/O should be set among 0, 1, 2, 3.
RSV - reserved for future use
Secure I/O ID setting

6
ⒸCopyright 2010 Suprema Inc.
Connectors for External Interfaces 1
Relay Output0 Normal Open
Relay Output0 Common
Relay Output0 Normal Close
Relay Output1 Normal Open
Relay Output1 Common
Relay Output1 Normal Close
RS-485 TRX+
RS-485 TRXRS-485 Ground
Frame Ground
Power Input+
Power Input -
IN0
IN1
IN2
IN3
IN0
IN0
RESET
SYNC
RLY0
RLY1
RX
TX
N.O 0
COM 0
N.C 0
N.O 1
COM 1
N.C 1
TRX+
TRX-
TRXGND
PWR+
PWR-
IN 0+
IN 0-
IN 1+
IN 1-
IN 2+
IN 2-
IN 3+
IN 3-
FGND