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20
C
HAPTER
1: I
NTRODUCING
THE
S
WITCH
Table 1
LED behavior
LED
Color
Indicates
Port Status LEDs
*
* If your Switch has 24 10BASE-T/100BASE-TX ports, these ports are numbered 1 to 24. If your
Switch has 12 10BASE-T/100BASE-TX ports, these ports are numbered 1 to 12. For both
models, ports supplied through an Expansion Module are numbered sequentially from the last
fixed port on the front of the unit.
Packet
Yellow
Packets are being transmitted/received on the port.
Off
No packets are being transmitted/received on the
port.
Status
Green
A link is present, and the port is enabled.
Green flashing
A link is present, but the port is disabled.
Off
No link is present.
Expansion Module Port Status LEDs
Packet
Yellow
Packets are being transmitted/received on the
Expansion Module port(s).
Off
No packets are being transmitted/received on the
Expansion Module port(s).
Status
Yellow
A valid Expansion Module is installed in the Switch.
Yellow flashing
An unrecognized Expansion Module is installed in
the Switch.
Off
No Expansion Module is installed in the Switch.
Unit LEDs
1–8
Green
The Switch forms a stack with other Switch F12
and F24 / Switch E12 and E24 units; the LED
indicates the position of the Switch in the stack
and that a link is present. Note that although there
are eight LEDs, only four Switch units can be
stacked at present.
Off
The Switch is stand-alone.
Power/Self Test LED
Green
The Switch is powered-up.
Green flashing
The Switch is either downloading software or is
initializing (which includes running a Power On Self
Test).
Yellow
The Switch has failed its Power On Self Test.
Off
The Switch is not receiving power.
F24usr.bk Page 20 Thursday, January 14, 1999 10:41 AM
Summary of Contents for Nways 8271 F12
Page 6: ...vi F24usr bk Page vi Thursday January 14 1999 10 41 AM...
Page 10: ...10 SAFETY NOTICES F24usr bk Page 10 Thursday January 14 1999 10 41 AM...
Page 11: ...Safety Notices 11 F24usr bk Page 11 Thursday January 14 1999 10 41 AM...
Page 12: ...12 SAFETY NOTICES F24usr bk Page 12 Thursday January 14 1999 10 41 AM...
Page 16: ...16 ABOUT THIS GUIDE F24usr bk Page 16 Thursday January 14 1999 10 41 AM...
Page 28: ...28 CHAPTER 1 INTRODUCING THE SWITCH F24usr bk Page 28 Thursday January 14 1999 10 41 AM...
Page 43: ...Important Safety Information 43 F24usr bk Page 43 Thursday January 14 1999 10 41 AM...
Page 59: ...Important Safety Information 59 F24usr bk Page 59 Thursday January 14 1999 10 41 AM...
Page 60: ...60 APPENDIX A SAFETY INFORMATION F24usr bk Page 60 Thursday January 14 1999 10 41 AM...
Page 64: ...64 APPENDIX B PIN OUTS F24usr bk Page 64 Thursday January 14 1999 10 41 AM...
Page 86: ...86 GLOSSARY F24usr bk Page 86 Thursday January 14 1999 10 41 AM...