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Overview
Figure 8: Cisco Catalyst CW9800H1 and Cisco Catalyst CW9800H2 Wireless Controllers Rear View
1
3
5
The chassis has a front-to-rear airflow. Six internal fans draw cooling air in through the front of the chassis
and across internal components to maintain an acceptable operating temperature. The fans are located at the
rear of the chassis. The fans are numbered from 0 to 5, right to left.
Caution
Cisco Product Identification Standard
This section describes the Cisco products and services product identification standard. This feature provides
you with the ability to effectively integrate and manage Cisco products in your network and business operations.
Unique Device Identifier
The Unique Device Identifier (UDI) is the Cisco product identification standard for hardware products. A
product identification standard removes barriers to enterprise automation and can help you reduce operating
expenses.
The UDI provides a consistent electronic, physical, and associated business-to-business information product
identification standard.
The UDI is a combination of five data elements. The following table lists the UDI elements.
Table 6: UDI Elements
UDI Data Element
PID
VID
SN
Grounding lug
Power supply (PEM 1)
Power/standby switch
The power supplies used in the controllers are different and they should not be mixed or swapped. The size
and structural dimensions are the same, therefore they both look alike. It would be hazardous, if you accidentally
inserted the wrong power supply into the PEM slot.
Electronic
Visibility
Yes
Yes
Yes
Cisco Catalyst CW9800H1 and CW9800H2 Wireless Controllers Hardware Installation Guide
2
Fans
4
Power supply (PEM 0)
Physical
Description
Visibility
Yes
Product ID, also known as product name, model
name, product number
Yes
Version ID
Yes
Serial number, the unique instance of the PID
Cisco Product Identification Standard
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