7
Introduction
LED Indicator
You can check the status of the device by the color of the LED indicator.
Item
LED
Status
POWER
Solid red
Power on
STATUS
Solid green
Connected with the secure session
Solid blue
Disconnected from a master device
Solid pink
Upgrading the firmware
Solid yellow
RS-485 communication error due to different encryption key or OSDP
packet loss
Solid sky blue
Connected without the secure session
RELAY (0 - 11)
Solid red
Relay operation
RS-485 TX
Blinking green
Transmitting RS-485 data
RS-485 RX
Blinking orange
Receiving RS-485 data
AUX IN (0, 1)
Solid orange
Receiving an AUX signal
Installation example
OM-120 is an expansion module for floor access control. Combined with Suprema device and BioStar 2, a single module
can control 12 floors. When the OM-120 is connected as daisy chain via RS-485, you can control up to 192 floors per
elevator.
B3
B2
B1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NO
COM
NC
NO
COM
NC
NO
COM
NC
NO
COM
NC
NO
COM
NC
NO
COM
NC
RELA
Y 0
RELA
Y 1
RELA
Y 2
RELA
Y 3
RELA
Y 4
RELA
Y 5
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
RELA
Y 1
1
RELA
Y 10
RELA
Y 9
RELA
Y 8
RELA
Y 7
RELA
Y 6
POWER
STATUS
RESET
INIT
12V
0V
TRX+
TRX-
GND
POWER
GND
AUX IN 1
GND
AUX IN 0
AUX
RS-485
ON OFF
TERM
0
1
2
3
4
5
11
10
9
8
7
6
OM 120
-
NO
COM
NC
NO
COM
NC
NO
COM
NC
NO
COM
NC
NO
COM
NC
NO
COM
NC
RELA
Y 0
RELA
Y 1
RELA
Y 2
RELA
Y 3
RELA
Y 4
RELA
Y 5
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
RELA
Y 1
1
RELA
Y 10
RELA
Y 9
RELA
Y 8
RELA
Y 7
RELA
Y 6
POWER
STATUS
RESET
INIT
12V
0V
TRX+
TRX-
GND
POWER
GND
AUX IN 1
GND
AUX IN 0
AUX
RS-485
ON OFF
TERM
0
1
2
3
4
5
11
10
9
8
7
6
OM 120
-
BioStar 2
TCP/IP
Relay
Relay
Relay
Controller / Reader
Floor Button
Call button
controller
Call button
controller
Call button
controller
RS-485
OM-120
OM-120
RS-485
Elev
ator