Instruction manual

Quick Reference Information
1-12 893-839-C
5 LED Display
The LED display (see Figure 1-8) indicates the segment assignments and the
status of the ports, power supply, processor, expansion slot, and redundant
power supply unit.
Figure 1-8. Example of an LED display
Table 1-8 describes the meanings of the LED display for the 100-series hubs.
Table 1-8. BayStack 100-series hub LEDs
LED label Action Meaning
Pwr
(Power)
Green Hub is receiving power.
Amber Main power supply unit is bad and hub is receiving power from redundant
power supply.
Off Hub is not receiving power.
Stat
(Status)
Green Hub processor is operating normally.
Amber Blinking: Initial stack configuration process is in progress.
On: Hub processor detects a fault during normal operation or during
diagnostics.
Exp
(Expansion slot)
Green On: Expansion slot device is operating normally.
Amber Blinking: Expansion slot device is initializing.
On: During initialization, the hub cannot access the IP address or
download the image for the expansion device. During normal operation,
the expansion device detects a fault.
Off No device is installed in the expansion slot.
RPS
(Redundant power supply)
Green Hub has access to power from a redundant power supply unit.
Amber A redundant power supply unit is not operating correctly.
Off No redundant power supply unit is connected.
Pwr Stat Exp RPS Data –
Col –
Media Adapter –
Seg3Seg2Seg1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AB
Isol
1
1
3
2
5
3
10
5
20
10
>30
>15
5879
– Hub
– Exp
10BASE-T Hub
893-839-CBook Page 12 Thursday, December 12, 1996 4:18 PM