Aastra OpenCom 510 User Manual page 66

Modules
+3.3 V Output Voltage
Rated voltage
Voltage range
Rated current
Current limitation
Short-circuit
–42 V Output Voltage
Rated voltage
Voltage range
Rated current
Current limitation
Short-circuit
Indicators
There are two LEDs on the front of the MPS+1-AC power supply unit. The LEDs
indicate the following:
■
Left: If the left LED is constantly lit up green, the output voltage is +3.3 V.
■
Right: If the right LED is constantly lit up green, the output voltage is –42 V.
The LEDs only indicate that the voltage is present. They do not say anything about
the voltage quality.
Operational Information
The MPS+1-AC power supply unit will be ready for operation as soon as it has been
plugged into the designated slot (see Slots starting on page 27).
The mains voltage of 230 V is drawn through the standard IEC connector. The
output voltages are fed to the BPV+1-12 backplane through the 96-pin spring
contact strip (see Backplane starting on page 35).
64
+3.3 V
+3.2 V ... +3.4 V
10.0 A
12 A to 15 A
Continuous short-circuit protection
–42 V
–40 V ... –44 V
4.0 A
4.4 A to 5.5 A
Continuous short-circuit protection
MPS+1-AC