Extreme Networks ExtremeSwitching X440-G2 Series User Manual

6 If a replacement power supply will not be installed, install a cover over the unoccupied power supply
bay.
Note
Unoccupied power supply bays must always be covered to maintain proper system
ventilation and EMI levels.
Install a Replacement 1100 W DC Power Supply
To install a replacement 1100 W DC power supply unit (PSU), follow these steps:
1 Verify that the replacement power supply is oriented the same as the one you removed.
2 Verify that the direction of ventilation airflow is the same for both the power supply and the switch.
In a switch with front-to-back airflow, the fan modules are labeled Air Out.
In a switch with back-to-front airflow, the fan modules are labeled Air In.
3 Carefully slide the power supply all the way into the power supply bay.
See Figure 240.
Figure 240: Installing an 1100 W DC Power Supply
4 Push the power supply in until the latch snaps into place.
Caution
Do not slam the power supply into the switch.
5 Reconnect the ground wire as described in Connect the Ground Wire to an 1100 W DC Power Supply
on page 302.
Replacing DC Power Supplies
ExtremeSwitching and Summit Switches: Hardware Installation Guide 301

Extreme Networks ExtremeSwitching X440-G2 Series Specifications

General

Form Factor	Rack-mountable
VLAN Support	Yes
Humidity	5% to 95% non-condensing
Model	X440-G2 Series
Port Type	Gigabit Ethernet
Switching Capacity	176 Gbps
Forwarding Rate	131 Mpps
Stacking	Yes, up to 8 switches
Layer Support	Layer 2/3
Operating Temperature	0°C to 50°C
Product Type	Switch
Jumbo Frames	9216 bytes
AC Power Supply	100-240 VAC, 50-60 Hz
Storage Temperature	-40°C to 70°C
Port Configuration	24 or 48 ports
Power over Ethernet (PoE)	Optional