Extreme Networks ExtremeSwitching X440-G2 Series User Manual

4 Push the latching tab toward the power supply handle and pull outward on the handle to disengage
the power supply internal connectors.
Figure 234: Removing a Summit 750 W Power Supply
5 Carefully slide the power supply the rest of the way out of the switch.
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 750 W DC Power Supply
To install a replacement 750 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.
Replacing DC Power Supplies
ExtremeSwitching and Summit Switches: Hardware Installation Guide 295

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