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Installing the Switch
As the switch powers on, it begins the POST, a series of tests that runs automatically to ensure that the switch
functions properly. LEDs can blink during the test. POST lasts approximately 1 minute. The SYST LED
blinks green, and the other LEDs remain solid green.
When the switch completes POST successfully, the SYST LED remains green. The LEDs turn off and then
reflect the switch operating status. If a switch fails POST, the SYST LED turns amber.
POST failures are usually fatal. Call Cisco technical support representative if your switch fails POST.
After a successful POST, unplug the power cord from the switch and install the switch in a rack, on a table,
or on a shelf.
Planning a Switch Data Stack
Switch Stacking Guidelines
A StackWise adapter must be installed in the stacking port to enable stacking. The StackWise cable connects
to the StackWise adapter in the stacking port. If the switch is not ordered with stacking, the adapters must be
ordered separately and installed.
Before connecting the switches in a stack, observe these stacking guidelines:
• Number of switches in the stack. You can create data stacks with up to eight switches in a stack.
• Length of the cable. Order the appropriate cable from your Cisco sales representative. The length of the
• Minimum bend radius and coiled diameter for StackWise cables. We recommend a minimum bend radius
cable depends on your configuration. These are the different sizes available:
• 0.5 meter cable (STACK-T4-50CM)
• 1 meter cable (STACK-T4-1M)
• 3 meter cable (STACK-T4-3M)
and coiled diameter for each StackWise cable.
Table 8: StackWise Cables Minimum Bend Radius and Coiled Diameter
Cable Part Number
Cable Length
STACK-T4-50CM
1.64 feet (0.5 m)
STACK-T4-1M
3.28 feet (1.0 m)
STACK-T4-3M
9.84 feet (3.0 m)
Minimum Bend Radius
2.60 in. (66 mm)
2.60 in. (66 mm)
3.58 in. (91 mm)
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
Planning a Switch Data Stack
Minimum Coiled
Diameter
5.20 in. (132 mm)
5.20 in. (132 mm)
7.17 in. (182 mm)
19
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