Fans; Status Leds; Sfp Port Leds - Aerohive AP120 Hardware Reference Manual

Fans

The SR2024 switch has four cooling fans which, by default, are always on. You can view fan status and
temperature levels in HiveManager. The fan speeds and temperature settings are preconfigured. Make sure
the switch fans have enough space for proper cooling (see
Displaying Fan and Temperature Status using CLI commands:
To display the current status of the fans, enter the following command:
show system fans
To display the current system temperature, enter the following command:
show system temperature
Viewing Fan and Temperature Status in HiveManager
To view fan and temperature status in HiveManager, navigate to
name of a switch. A page appears that shows system information for the switch. Scroll down to the
Details
section, where you will see information similar to that shown in
status appear at the bottom of this section.
Figure 2 Temperature and fan information display in HiveManager
Changing the Temperature and Fan Speed Alarm Thresholds
You can change the threshold for the alarms in HiveManager. To do this, go to
Configuration > Management Options
management options object you want to change. In the dialog box that appears, scroll down to the
System Settings
section, where you will see the alarm fields that you can modify.

Status LEDs

The status LEDs on the SR2024 switch front panel indicate activity states by color and illumination patterns.
Press the LED mode button to cycle through Link, Stack (reserved for future use), Speed, Duplex, or PoE
modes. Depending on which mode you have selected, the port LEDs (one per port) display information
specific to the selected mode.
each mode.

SFP Port LEDs

The SFP ports LEDs are not connected to the LED mode selection button. SFP port LEDs are either
solid green
power to the port),
linked and active).
Hardware Reference Guide
. To modify existing system settings, click the name of the
Figure 3 on page 80 describes the port LED color and pattern meanings for
(there is an active link to the port, but no activity), or
"Mounting and Installation" on page
Monitor > Devices > Switches
Figure 2. The temperature and fan
Configuration > Advanced
P O
RODUCT VERVIEW
81.).
. Click the
System
dark
(no
green flashing
(port is
79