---
title: kIOPropertyFibreChannelCableDescriptionKey
framework: DriverKit
role: symbol
role_heading: Macro
platforms: [DriverKit 20.0+, macOS 10.3+]
path: kernel/kiopropertyfibrechannelcabledescriptionkey
---

# kIOPropertyFibreChannelCableDescriptionKey

## Declaration

```occ
#define kIOPropertyFibreChannelCableDescriptionKey
```

## Discussion

This key is associated with the cabling type used for this Fibre Channel port. Valid values include "Copper" and "Fiber Optic".

Requirement: Optional for Fibre Channel Interface. Not defined for any other physical interconnect.

Example:

```occ
 
 
<dict>
   <key>Controller Characteristics</key>
   <dict>
   	<key>Fibre Channel Cabling Type</key>
   	<string>Copper</string>
   </dict>
</dict>
```