ExpressBox 3T | Chapter 3 Verify Installation
LEDs D6 and D8 are illuminated when power cord is attached to expansion unit. This means the expansion unit is
on standby-mode. See picture below.
FIGURE T2-C
If the above LEDs are not coming ON, please check the power standby cable make sure it is firmly connected to
Thunderbolt Interface card power connector (J7). See page 25.
Thunderbolt™ 2 Interface Card LEDs: Standby-Mode