3 Peripheral Devices and Options
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126
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Terminal ID Terminal Name Function description Terminal Layout
J5
+24V/
COM
24 VDC power supply External 24 V power supply
MOD+/
MOD-
RS485 communication 
interface with the MCB
This interface is reserved 
when the expansion board 
is placed at the top of the 
car.
When the extension 
board is installed in the 
equipment room, one 
signal can be used for 
calls of the back door, 
implementing opposite 
door control of all 40 
J6/J7
MOD termination 
resistor jumper pin
When Modbus 
communication is used, 
J6/J7 is shorted to the ON 
pin to connect a matching 
resistor.
 
J10
CAN termination 
resistor jumper pin
When CANbus 
communication is used, 
J10 is shorted to the ON 
pin to connect a matching 
resistor.
J3 Reserved Factory reserved
J3
S1/S2/S3 Address DIP switch
These switches are used to 
set an expansion type.
When all switches are OFF, 
this board is on top of the 
car.
When K1 is in ON position, 
this board is in the 
equipment room.
X1 to X10 DI indicator
This indicator is on (green) 
when the external input is 
active.
Y1 to Y10 Relay output indicator
This indicator is on (green) 
when the system output is 
active.
J9 Reserved
Factory reserved. Do 
not short it randomly. 
Otherwise, the controller 
may not work properly.