Dell PowerConnect J-EX4500, Hardware Manual

Page: 34 / 226

A major alarm (red) indicates a critical error condition that requires immediate action.
A minor alarm (amber) indicates a noncritical condition that requires monitoring or
maintenance. A minor alarm that is left unchecked might cause interruption in service or
performance degradation.
All three LEDs can be lit simultaneously.
Related
Documentation
Front Panel of a J-EX4500 Switch on page 8
•
•
For information about checking active alarms with the J-Web interface and
understanding alarm types and severity levels, see the
Dell PowerConnect J-Series
Ethernet Switch Complete Software Guide for Junos OS at
http://www.support.dell.com/manuals
.
Field-Replaceable Units in J-EX4500 Switches
Field-replaceable units (FRUs) are components that you can replace at your site. The
field-replaceable units (FRUs) in J-EX4500 switches are:
•
Power supplies
• Fan tray
• Uplink module(s)
•
Virtual Chassis module
•
SFP+ transceivers
• SFP transceivers
NOTE: Uplink modules, transceivers, Virtual Chassis cables, and Virtual
Chassis cable connector retainers are not part of the standard package and
must be ordered separately.
The power supplies, fan tray, uplink module(s), and transceivers are hot-removable and
hot-insertable: You can remove and replace them without powering off the switch or
disrupting switch functions.
The Virtual Chassis module is offline field-replaceable: You can remove and replace the
module, but the switch must be powered off first.
Related
Documentation
Installing and Removing J-EX4500 Switch Hardware Components on page 87
•
Network Port and Uplink Module Port LEDs in J-EX4500 Switches
Each network port and uplink module port on a J-EX4500 switch has two LEDs that
indicate link/activity and status. The figures in this topic show the location of these LEDs:
18
Dell PowerConnect J-Series J-EX4500 Ethernet Switch Hardware Guide