Installation guide
Table Of Contents
- Contents
- About This Document
- Product Overview
- Installing the PowerConnect B-FCX Switch
- Unpacking the device
- Installation tasks
- Installation precautions
- Preparing the installation site
- Powering on the system
- Attaching a PC or terminal
- Installing and replacing a power supply unit
- Installing or replacing fan trays on PowerConnect B-FCX624s and PowerConnect B-FCX648s devices
- Installing or replacing fan trays on PowerConnect B-FCX624 and PowerConnect B-FCX648 devices
- Installing an optional module on PowerConnect B-FCX624s or PowerConnect B-FCX648s devices
- Installing an optional module in PowerConnect B-FCX624 and PowerConnect B-FCX648 devices
- Checking Network Devices and Testing Connectivity
- Managing the PowerConnect B-FCX Hardware
- Hardware Specifications
- Troubleshooting
- Regulatory Statements
- Cautions and Danger Notices

PowerConnect B-FCX Switch Hardware Installation Guide 13
53-1002267-01
Hardware features
1
FIGURE 15 Power status LEDs
NOTE
Both “AC OK” and “DC OK” LEDs must be green for the device to function normally.
Power supplies
The device has two power receptacles on the rear panel. Each device ships with one power supply
installed. PowerConnect B-FCX624s, PowerConnect B-FCX648s, PowerConnect B-FCX624, and
PowerConnect B-FCX648 devices use a 210W PSU.
1Power status LEDs
TABLE 13 Power status LEDs
LED Condition Status
DC OK Green DC output ok
Red DC output fail
AC OK Green AC input ok
Off AC input fail
TABLE 14 Switch status for two installed power supply units
State LED PSU1 PSU2 Switch Status Redundancy
Four Green PSU
LEDs
AC OK Green Green Running Yes
DC OK Green Green
Single Red ‘DC
OK’ LED
AC OK Green Green Running No
DC OK Green Red
Both ‘DC OK’
LEDs Red
AC OK Green Green Failure No
DC OK Red Red
One PSU with
both ‘AC OK’ ‘DC
OK’ LEDs Off
AC OK Green Off Running No
DC OK Green Off
‘DC OK’ LEDs Red
and Off
AC OK Green Off Failure No
DC OK Red Off
All ‘AC OK’ LEDs
Off
AC OK Off Off Power Off or
Failure
No
DC OK Off Off
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