Update data-box-cable-options.md

You would use RJ45 for DATA3. DATA1 and DATA2 are SFP ports. Thanks

Author: carlsyner

articles/databox/data-box-cable-options.md

@@ -113,7 +113,7 @@ Use this configuration if your device will be in a DHCP environment.
 
 Before you begin, make sure you have:
 
-- An RJ45 cable if you wish to connect DATA 1.
+- An RJ45 cable if you wish to connect DATA 3.
 - A 10-GbE SFP+ Twinax copper cable for each 10-GbE data port that you want to connect.
 - One or more data sources running a [Supported OS](data-box-system-requirements.md#supported-operating-systems-for-clients). These data sources could be in different networks such as 1 GbE or 10-GbE networks.