Cisco WS-C3560X-48PF-S Hardware Installation Guide - Page 22

Port Mode, Port LED Color, Meaning, Table 1-9, Meaning of Switch LED Colors in Different Modes

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Front Panel Description Chapter 1 Product Overview Table 1-9 Meaning of Switch LED Colors in Different Modes Port Mode Port LED Color Meaning STAT (port status) Off Green No link, or port was administratively shut down. Link present, no activity. Blinking green Activity. Port is sending or receiving data. Alternating green-amber Link fault. Error frames can affect connectivity, and errors such as excessive collisions, CRC errors, and alignment and jabber errors are monitored for a link-fault indication. Amber Port is blocked by Spanning Tree Protocol (STP) and is not forwarding data. After a port is reconfigured, the port LED can be amber for up to 30 seconds as STP checks the switch for possible loops. SPEED 10/100/1000/SFP ports Off Port is operating at 10 Mb/s. Green Port is operating at 100 Mb/s. Single green flash (on for 100 ms, off for 1900 ms) Port is operating at 1000 Mb/s. Network module slots Off Port is not operating. Blinking green Port is operating at up to 10 Gb/s. DUPLX (duplex) MAST1 (data stack master) Off Green Off Green Port is operating in half duplex. Port is operating in full duplex. The switch is not the stack master. Note For a standalone switch, this LED is off. The switch is the stack master. Amber STACK1 Off (stack member) Blinking green Error during stack master election. No stack member corresponding to that member number. Stack member number. Green Member numbers of other stack member switches. 1-12 Catalyst 3750-X and 3560-X Switch Hardware Installation Guide OL-19593-02

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1-12
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-02
Chapter 1
Product Overview
Front Panel Description
Table 1-9
Meaning of Switch LED Colors in Different Modes
Port Mode
Port LED Color
Meaning
STAT
(port status)
Off
No link, or port was administratively shut down.
Green
Link present, no activity.
Blinking green
Activity. Port is sending or receiving data.
Alternating
green-amber
Link fault. Error frames can affect connectivity, and errors such as
excessive collisions, CRC errors, and alignment and jabber errors
are monitored for a link-fault indication.
Amber
Port is blocked by Spanning Tree Protocol (STP) and is not
forwarding data.
After a port is reconfigured, the port LED can be amber for up to 30
seconds as STP checks the switch for possible loops.
SPEED
10/100/1000/SFP ports
Off
Port is operating at 10 Mb/s.
Green
Port is operating at 100 Mb/s.
Single green
flash (on for
100 ms, off for
1900 ms)
Port is operating at 1000 Mb/s.
Network module slots
Off
Port is not operating.
Blinking green
Port is operating at up to 10 Gb/s.
DUPLX
(duplex)
Off
Port is operating in half duplex.
Green
Port is operating in full duplex.
MAST
1
(data stack
master)
Off
The switch is not the stack master.
Note
For a standalone switch, this LED is off.
Green
The switch is the stack master.
Amber
Error during stack master election.
STACK
1
(stack member)
Off
No stack member corresponding to that member number.
Blinking green
Stack member number.
Green
Member numbers of other stack member switches.