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2-6 CHAPTER 2: INSTALLING THE HUB
Table 2-2 Hub 1000 SX Indicators
Indicator Color Status Meaning
% BW usage meter Green Fluctuating The meter indicates the percentage of bandwidth that the
hub is using. Because the hub can be connected to multiple
network segments, this meter represents the aggregate
load on the hub.
PORT STATUS LEDs LEDs 1 through 8 show the status of the downlinks. LED 9
shows the status of the uplink.
ACTIVITY Green ON The port is receiving data.
OFF The port is not receiving data.
LINK Green ON A connection exists between the port and the end node.
OFF There is no connection between the port and the end node.
Hub operation LEDs
OVERTEMP Amber ON The internal temperature exceeds 158 °F (70 °C).
RPS ON Green ON The Advanced RPS is connected and turned on.
UNIT STATUS Amber ON The hub is performing POST diagnostics. If the amber LED
remains lit for longer than 30 seconds, POST has failed or
the CPU has halted.
Flashing An error has occurred.
Green ON The hub is operating normally.
Flashing A firmware update is proceeding.
Amber/Green Flashing A firmware update error occurred. See “Troubleshooting”
in Appendix A.
PWR Green ON The hub is receiving power.
RPS FAIL Amber ON The Advanced RPS is connected, but a failure
condition exists.
PAUSE Green ON The uplink port has received a pause frame. For an
explanation of pause frames, see “Flow Control” in
Chapter 1.
1234 5678 9
PAUSERPS FAILPWR
UNIT
STATUS
RPS ONOVERTEMP
LINK
ACTIVITY
PORT STATUS
SUPER
STACK
SuperStack II
HUB 1000 SX
% BW USAGE
100
10
50