User Manual

Building Technologies

Fire safety and security products

FCM1821-A2

FC186x Terminal Board of Main Board

Product Manual

Overview

FCM1821-A2 terminal board of main board is designed for FC18 series controller, used

for easy wiring connection.

Connection Diagram

ign

Description

MB link /FCnet（upside）

Connect to “MB Link” port on main unit

Int COM Reserved

LC COM Connect to line card for communication

LC Pwr Connect to line card for power supply

Ext. Pwr Connect to 24VDCpower supply

Pwr Moni Connect to port “PWR. MNTR” on main unit

Pwr RST Used for manufacture test only

IO1/IO2

Programmable input\output（see to Fig.4）

NAC

Connect to NAC alarm（see to Fig.3）

FCnet

Connect to controller（see to Fig.1）

FRnet

Connect to floor repeater display FRT（see Fig.2）

Int.RS485 Reserved

24V-/24V+ Used for manufacture test only

1/2 Dip-switch, used to set EOL of interlocking panel/line card

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FCM1821-A2 FC186x Terminal Board of Main Board Product Manual Overview FCM1821-A2 terminal board of main board is designed for FC18 series controller, used for easy wiring connection. Connection Diagram Sign MB link /FCnet（upside） Int COM LC COM LC Pwr Ext. Pwr Pwr Moni Pwr RST IO1/IO2 NAC FCnet FRnet Int.
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Note: Ensure positive and negative connections are properly, FC18-BUS is polarity sensitive. Connect a 120Ω resistor as monitoring resistor. It must be connected at the end of the line. ( It also can be set by 2-digit Dip-switch on main board ) Fig. 2 FRT connection diagram Fig.