Huawei OptiX RTN 980 Quick Installation Manual page 18

3
Installing the Heater(Optional)
Install the heater.
The heater is preferably installed in the bottom
1U space of the cabinet.
NOTE
• When the temperature inside the cabinet is lower than 0°C, the heater starts working. When the
temperature inside the cabinet is higher than 15°C, the heater stops working.
• The maximum power of the heater during the heating process is 300 W.
Install the power cable for the heater.
If both the SOU and the heater are installed in the
cabinet, the heater is installed above the SOU.
AC input
power cable
16
AC input power
cable
power cable
for the
heater.