Extreme Networks 7720 - Installing Optional Components; Installing Internal Power Supplies

Install Optional Components
After the switch is secured to the rack, install optional components.
ExtremeSwitching switches support the use of pluggable transceivers and cables in the
SFP+, SFP28, QSFP+, and QSFP28 formats.
For a list of the optical components supported with ExtremeSwitching devices, see the
Extreme Optics website.
Pluggable Transceiver Modules
Extreme Networks offers several optical transceiver modules for transmitting and
receiving data over optical ber rather than through electrical wires.
Optical Cables
Direct-attach copper and ber cables provide connections between populated SFP+,
SFP28, QSFP+, and QSFP28 ports.
Breakout cables
The copper breakout cables are terminated with optical connectors and are available
in 1m, 3m, 5m, or greater lengths. No additional connectors or cabling are required
when using the copper breakout. When using the ber breakout cables, additional
10Gb optics are required.
For 7720 Series switches running either Fabric Engine or Switch Engine, interfaces
0/1 through 0/27 and 0/29 through 0/32 support up to 4 10GbE, 4 25GbE, 1 40GbE, or
1 100GbE ports each in breakout mode when using the appropriate optics. Interface
0/28 cannot be partitioned, but it supports 1 40GbE or 1 100GbE port. See the Extreme
Optics website to determine the appropriate optics.
Install Internal Power Supplies
If your device does not come with an installed internal power supply, you can install
one or two power supplies. All installed power supplies must have the same airow
direction (front-to-back or back-to-front) and must also match the airow direction of
the fan modules.
This switch supports 800 W AC or DC power supply units.
• If the power supply module has a red tab, the airow is front-to-back.
• If the power supply module has a blue tab, the airow is back-to-front.
The following internal power supplies (PSUs) are available for the switch:
800 W AC or DC PSU
Part numbers XN-ACPWR-800W-F and XN-DCPWR-550W-FB provide front-to-back
airow for cooling, and AC and DC power, respectively.
Install Optional Components Install the Switch
60 Extreme 7720 Hardware Installation Guide