User Manual

I.SITE III User Manual

Page 10/20

3.4.4 Displays, Connections, and Operating Controls

1) Input contacts (IN1-IN3):

There are three potential-free input contacts at 5-15V, 5mA. Use these to connect items such as

active emergency buttons, sensors, or door/window contacts where the status change is to be

reported upon triggering (open/closed or open&closed).

If you wish to connect a passive contact (switch/button), configure the solder bridge jumpers as

follows:

Contact

BR40

BR41

BR42

BR43

BR44

BR45

BR46

BR47

BR48

IN1

OPEN CLOSE

X X X X X X

IN2

X X X CLOSE

OPEN CLOSE

X X X

IN3

X X X X X X CLOSE

OPEN CLOSE

2) Ethernet LAN Connection

This is the communications interface. Connect an RJ45 Ethernet LAN cable to this port.

3) Display Elements on Controller Board

AC FAIL Mains power failure

ACCU LOW Battery voltage has dropped below 12V

PLL ERROR PLL error in transmission unit

TX ERROR Excess temperature in transmission unit / faulty antenna connection

CPU STATE Controller state (heartbeat pulse)

TX DATA Data transmission is live (weak glow when idle)

PTT Transmitter keying is active

VCC Controller board is receiving power

Reset button (red): Use the Reset button to restart the I.SITE III unit from scratch. All your

settings will be retained.

PTT button (black): Use the PTT button to test the transmission quality (transmitter keying).