Ers 5000 Series Installation; 5600 Series Power Options - Nortel BayStack 5520-48T-PWR Install Manual

46 Installation fundamentals
Using the Nortel Ethernet Routing Switch 5520-PWR switch and its
external power source the only option (Nortel Ethernet Redundant Power
Supply Unit 15) you have is a total of 320 watts of available power. You
can power up to 48 ports at 6.6 W for each port with this configuration or
20 ports at the maximum power of 15.4 W for each port.
Power sharing option
This module describes the power sharing option.
Using the Nortel Ethernet Routing Switch 5520-PWR switch and the
Nortel Ethernet 15 RPSU as an external power source with the power
sharing configuration supplies 740W to the Nortel Ethernet Routing Switch
5520-PWR. This enables all 48 ports to supply the Max power of 15.4W
for each port.
Power supply unit (PSU) option
This module describes the power supply unit option.
An external power source (Nortel Ethernet RPSU 15) can provide
redundant power to the Nortel Ethernet Routing Switch 5520. That is, the
power fails over to the Nortel Ethernet RPSU 15 in case there is a problem
with the switch's internal power.
If the Nortel Ethernet Routing Switch 5520 is supplying 320 watts of
power to Powered Devices and the supply to the internal power source
is interrupted, the power to all powered devices is uninterrupted due to
failover to the Nortel Ethernet RPSU 15.
By using the Nortel Ethernet RPSU 15, you have a total of 320W of PoE
redundant power, which enables up to 48 ports to be powered at 6.6W.

5600 Series power options

The Ethernet Routing Switch 5600 Series uses power supply modules. All
5600 Series power supply modules have an internal fuse for protection.
The 5600 Series power contain fans for cooling purposes.
Two power supply modules can operate in parallel for redundancy. In the
case of the 5698 model, 3 power supply modules can be used to provide
true N+1 redundancy. For information about which power supply modules
you can install in each 5600 Series switch, and how many, see
supply module installation matrix" (page 48)
All 5600 Series power supply modules are hot-swappable and
hot-pluggable.
Copyright © 2008–2009 Nortel Networks

ERS 5000 Series Installation

NN47200-300 04.03
13 April 2009
"Power