Expansion Unit
Model
Description Required Accessories
TR-004U • Uses a USB 3.2 Gen 1 Type-C
interface
• Supports SATA drives
• USB 3.2 Gen 2 Type-A to Type-C cable
• USB 3.2 Gen 2 Type-C to Type-C cable
• RAIL-B02
To connect the device to USB expansion units, USB Type-A to USB Type-C cables or USB Type-C to USB
Type-C cables are required.
1. Verify that the NAS is powered off.
2. Connect the expansion unit to the NAS.
a. Connect the USB cable to the USB Type-C port on the expansion unit.
b. Connect the USB cable to a USB 3.2 Gen 2 Type-A or USB Type-C port on the NAS.
Connecting to a USB 3.2 Gen 2 Type-A port on the NAS.
TS-h973AX User Guide
Installation and Configuration 28