Dell ThunderDock WD22TB4 - Manual (Page 22)

Table 5. Firmware update requirements when upgrading to the WD22TB4 cable module
Original dock New module Firmware update before
upgrading cable module
Firmware update after
upgrading cable module
1. Dell Dock - WD19
2. Dell Dock - WD19S
3. Dell Thunderbolt Dock -
WD19TB
4. Dell Thunderbolt Dock -
WD19TBS
5. Dell Performance Dock -
WD19DC
6. Dell Performance Dock -
WD19DCS
WD22TB4 cable module Required Required
Dell Thunderbolt Dock -
WD22TB4 WD22TB4 cable module Not required Not required
Dell Thunderbolt Dock -
WD22TB4 WD19 cable module Not required Not required
22 Replacing the USB Type-C cable module