Honeywell HCI 300E Installation And Operation Manual page 55

Connecting Hometronic Voice & Web Interface
Connect the telephone cable to the HCI 300E as shown in the
►
figure. Note the polarity of the voltage supply when doing so.
Voltage supply
1 2
GND +9 V DC
Power supply
Voltage
supply
1 2
Line In Phone
1 2 3 4
Line In Phone
1 2 3 4
Installation
HTA 200
53