Copyright © July, 2011
Microsemi
Page 27
Rev.A03
Analog Mixed Signal Group
2381 Morse Avenue, Irvine, CA 92614, USA; Phone (USA): (800) 713-4113, ROW: (949) 221-7100 Fax: (949) 756-0308
450W power supply units
o
PD-9024G/ACDC/M
o
PD-9012G/ACDC/M
o
PD-9006ACDC/M
o
PD-9506G/ACDC/M
o
PD-55XXG/ACDC/M
WARNING:
When connecting power redundancy connectors, make sure AC power in
both
Midspans is disconnected from AC mains!
8.2 Power Backup
In case one of Midspans' power supplies fails, unit maintains full
functionality by using an optional backup power supply.
Midspan Unit
Redundant Power Supply
PD-9024G/ACDC/M/F
PD-9524G/ACDC/M
PD-9012G/ACDC/M
PD-RPS-1000
PD-9024G/ACDC/M
PD-9006G/ACDC/M
PD-55XXG/ACDC/M
PD-RPS-450
8.3 Connectors
Power backup and power redundancy connectors are located on the back
side of the Midspan.
PD-90xxG power backup and power redundancy have two connectors
(see Figure
8-1):
Power Backup and Power Redundancy Control Signal
connector, RPS COM D-Sub: 15 pins, 3 rows female
connector.
DC Voltage Terminal Block Connector has two positive
(+) terminals and two negative (-) terminals.