Extreme Networks ExtremeSwitching X440-G2 Series User Manual

c Tighten the screw to 7 in‑lb (0.79 N m) as shown in Figure 151.
Figure 151: Securing the Ground Wire
6 Connect the other end of the wire to a known reliable earth ground point at your site.
7 Connect the power supply to the source, following the instructions in Connecting a 550 W DC Power
Supply to the Source Voltage on page 199.
Connecting a 550 W DC Power Supply to the Source Voltage
Summit 550 W DC power supply units must connect to a –48V source.
The DC power connection at your facility must be made by a qualified electrician, following these
instructions.
Warning
Always make sure that the DC circuit is de-energized before connecting or disconnecting the
DC power cables on the DC power supply.
Caution
Provide proper connection and strain relief on the DC power cables in accordance with all
local and national electrical codes.
1 Verify that the DC circuit is de-energized.
2 Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to an
appropriate ground point on the rack.
3 Slide the cover o the terminal block.
Installing Your Extreme Networks Switch
ExtremeSwitching and Summit Switches: Hardware Installation Guide 199

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