Allied Telesis x610 Series Layer 3 - Manual (Page 43)

x610 Series Layer 3 Gigabit Ethernet Switches Installation Guide
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STACK LEDs
The STACK LEDs display the link status of the VCStack stacking module
and its two stacking ports. If a stacking module or the stack cables are not
installed, all LEDs remain off. To locate the STACK LEDs, see Figure 20,
and for a description of the STACK LEDs, see Table 10.
Figure 20. Switch STACK LEDs
Table 10. STACK LED Descriptions
LED State Description
MSTR Off The switch is not part of a stack or is a member
unit of the stack.
Solid
Green
The switch is the master unit of the stack.
L/A 1 Off Stack Port 1 has not established a link to a
stacking port on another VCStack stacking
module.
Solid
Green
Stack Port 1 has established a link to a
stacking port on another VCStack stacking
module.
Flashing
Green
Stack Port 1 has established a link to a
stacking port on another VCStack stacking
module and is sending or receiving packet
traffic.
PRES
MSTR
L/A
L/A
1
2
STACK