
OmniSwitch 6855 Series Chassis and Hardware Components
OS6855-14/P14/U10 Power Supplies
OmniSwitch 6855 Series Hardware Users Guide
September 2011
page 2-39
PS-75I42DC48-P PoE Power Brick
The PS-75I42DC48-P DC PoE Power Brick provides Power over Ethernet for the OmniSwitch 6855-14
and can be installed as either the primary or backup PoE power supply.
75W, -54.5VDC PoE Power Brick
Note.
The polarity of this PoE DC power supply is opposite of the non-PoE DC power supplies. See
“PS-
I40DC2448 Power Brick” on page 2-37
and
“PS-I40DC2448E Power Brick” on page 2-38
.
P/S Component
Description
Model
PS-75I42DC48-P
Provides PoE Power For
OS6855-14
Input Voltage Range
-40 to -60 VDC
Inrush Current
ETSI 300 132-2 Compliant
Maximum Output Power
75 W
Output Voltage
-54 VDC, +/- 2%
Output Current
0.0 A (minimum), 1.2 A (maximum)