Cisco Catalyst 2900 Series XL, Руководство по установке оборудования

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Chapter 1 Product Overview
100BASE-FX Ports
1-16
Catalyst 2900 Series XL Hardware Installation Guide
78-6461-03
Figure 1-7 shows bandwidth utilization percentages displayed by the right-most
LEDs.
Table 1-8 Meanings of Port Status LED Colors for Different Modes on Catalyst 2912 LRE XL and
2924 LRE XL Switches
Port Mode Port LED Color Meaning
LRE Off No LRE link present on the LRE port.
Green LRE link present on the LRE port. Port LED turns green within
10 seconds after the LRE port detects a connection to a
Cisco 575 LRE CPE.
Amber LRE port and WAN CPE port unable to establish the rate defined
by the assigned profile.The switch has detected a CPE, but has not
established an LRE link at the configured profile.
Note The LED can be amber for a short period of time while
an LRE link is being established. However, if the LED
remains amber, there is a problem with the link between
the switch and the CPE.
STAT
(port status) Off No link.
Solid green Link is present between LRE port and a CPE WAN port and also
between the CPE Ethernet port and the remote Ethernet device.
Flashing green Activity. Port is transmitting 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.
Solid amber Port is not forwarding. Port was disabled by management or an
address violation or was blocked by Spanning Tree Protocol (STP).
Note
After a port is reconfigured, the port LED can remain
amber for up to 30 seconds as STP checks the switch for
possible loops.
DUPLX Off Port is operating in half duplex.
Green Port is operating in full duplex.
SPEED Off Port is operating at 10 Mbps.
Green Port is operating at 100 Mbps.