C
HEETAH
64
S
ERIES
–
C
HAPTER
6
81-9059-0577-0
Rev. E
Proprietary Information of
PESA Switching Systems
6-3
6.3
C
HEETAH
64
S
ERIES
C
HASSIS
S
UPPLY
P
OWER
C
ONNECTIONS
All Cheetah frames have two AC receptacle power inputs. As depicted in Figure 6-2, each AC
power input is filtered, full-wave bridge rectified, and then fed to the power supply to be diode
OR’d with the other rectified power inputs to the system supply.
F
IGURE
6-2
Power Supplies Configuration
6.3.1
Cheetah 64 Series Chassis Supply Power
Make sure that all source power is within the operating range of the
equipment before completing the specific power connections. Read the
Maximum Voltage requirements starting in this section (Chapter 6).
To prevent damage to the equipment:
•
Read all instructions for proper input voltage ranges.
•
Use the recommended specified power branch circuit ampacity.
•
Follow static prevention precautions prior to handling equipment.
6.3.1.1
Cheetah 64 Series Chassis Power Cord
AC power cords may differ depending on your power requirements. The chassis is supplied
with two USA standard power cords for 120VAC-power service (or the standards for the
country that the system is shipped to).
ACH 1
ACN 1
ACG 1
MOV
Filter
Bridge
Rectifier
Cheetah
Power
Supply
+ VDC
Out
(-)
(+)
ACH 1
ACN 1
ACG 1
MOV
Filter
Bridge
Rectifier
Cheetah
Power
Supply
+ VDC
Out
(-)
(+)
System
DC Power
IN
Summary of Contents for 64NE
Page 108: ......
