Aria-24
ipe
Digital Key Telephone System
Installation Manual
Issue 1.5
Aria Technologies
17
2.2.5 Power supply unit installation
Before installation, assure that the AC plug is not plugged into the AC outlet. The PSU is located at the
left-most area of the KSU as a basic unit and provides three kinds of power sources to MBU through the
7PIN connector, CN19.
Aria-24/A ipe
The AC input voltage and the fuse rating
The Range of Input Voltage
Connect to
Fuse Ratings
207V AC ~ 253V AC
CN19 on the MBU
1A @250V
PSU capacity is as followings
PSU Type
+5V DC
-5V DC
+36V DC
PSU (SMPS)
2.5A
100mA
1.2A
Aria-24/D ipe
The AC input voltage and the fuse rating
The Range of Input Voltage
Connect to
Fuse Ratings
207V AC ~ 253V AC
CN19 on the MBUB
1.25A @250V
PSU capacity is as followings
PSU Type
+5V DC
-5V DC
+30V DC
PSU (SMPS)
3.0A
100mA
1.9A
1. To handle the wire of PSU as shown below, tie the wire with cable.