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24
C
HAPTER
2: I
NSTALLING
THE
S
WITCH
Table 6
PWR LED Colors
If there is evidence of a problem, see “Solving Problems Indicated by LEDs” on
page 52 for a list of suggested solutions.
CAUTION:
The Switch has no ON/OFF switch; the only method of connecting or
disconnecting mains power is by connecting or disconnecting the power cord.
Connecting a
Redundant Power
Supply
The Switch 4500G 26-port PWR has a -48V DC Redundant Power Supply socket.
WARNING:
Only properly trained and qualified personnel should install the
Redundant Power Supply (RPS).
WARNING:
Make sure to read these instructions in conjunction with the RPS flyer
and the safety and installation instructions supplied with your RPS.
Color
State
Green
The Switch is powered-up and operating normally.
Red
The Switch has failed its Power On Self Test (POST).
Yellow flashing
Some ports have failed POST
*
* In this event you can still use the Switch using the remaining ports that have passed the
POST.
Off
The Switch is not receiving power.
Содержание 4500G Series
Страница 30: ...30 CHAPTER 2 INSTALLING THE SWITCH...
Страница 48: ...48 CHAPTER 3 SETTING UP SWITCH MANAGEMENT...
Страница 54: ...54 CHAPTER 4 PROBLEM SOLVING...
Страница 58: ...58 APPENDIX A PIN OUTS...
Страница 64: ...64 APPENDIX B TECHNICAL SPECIFICATIONS...
Страница 72: ...72 APPENDIX D 3COM NETWORK MANAGEMENT...
Страница 82: ...82 APPENDIX E REDUNDANT POWER SUPPLY SAFETY INFORMATION...