Cooling; Power Supplies; 8520-48Y Switch Features - Extreme Networks 8520 Series Hardware Installation Manual

Extreme 8520 Series Overview
system debugging. The device automatically performs a power-on self-test (POST) each time it is
turned on.
Table 5: Management options for the device
Management tool
Command line interface
(CLI)
REST or NETCONF/YANG
APIs.
Standard SNMP applications Ethernet or serial
There is also a Type A USB 2.0 port that can host removable devices like flash drives.

Cooling

Six fan bays located in the rear of the switch accommodate hot-swappable fan modules that cool the
switch. The fan modules are available with front-to-back or back-to-front airflow. The direction of the
airflow of all six fans must be the same. Power supplies have integrated cooling fans that operate
independently of the switch fans. The direction of the airflow in the fans and power supplies must be
the same.
Fans are ordered separately for base models 8520-48Y-8C and 8520-48XT-6C. Fans are included with
other models.

Power Supplies

Two power supply bays located in the rear of the switch accommodate hot-swappable 750 W AC or DC
power supplies that power the switch. The switch supports two AC or two DC power supplies, or one
AC and one DC power supply. For more information about the power supplies used in the 8520 Series
switches, see
Power supplies are ordered separately for base models 8520-48Y-8C and 8520-48XT-6C. Power
supplies are included with other models.

8520-48Y Switch Features

The 8520-48Y Series includes the following models:
8520-48Y-8C
The 8520-48Y-8C base switch includes six unpopulated fan module slots and two unpopulated
power supply module slots. Fan modules and power supply modules must be ordered separately.
8520-48Y-8C-AC-F
Out-of-band
support
Ethernet or serial
connection
Ethernet connection Yes
connection
Power Supplies for Use with Your Switch
In-band Reference documents
support
N/A Extreme SLX-OS Command
Reference
Extreme SLX-OS REST API Guide
Extreme SLX-OS RESTCONF
Guide
Extreme SLX-OS NETCONF
Operations Guide
Extreme SLX-OS YANG
Reference Guide
N/A N/A
on page 15.
Extreme 8520 Series Hardware Installation Guide
Cooling
11