A wiring tray has three LEDs on its faceplate. The text 1, 2, or 3 next to the LEDs indicates which appliance inlet on the single-phase wiring tray or which phase on the three-phase wiring tray the LED corresponds to. See Figure 1 and Figure 2.
Figure 1: AC Single-Phase Wiring Tray LEDs on a QFX3008-I Interconnect Device

Figure 2: AC Three-Phase Wiring Tray LEDs on a QFX3008-I Interconnect Device

Table 1 describes the LEDs on an AC wiring tray.
Table 1: AC Wiring Tray LEDs on a QFX3008-I Interconnect Device
LED | State | Description |
|---|---|---|
Power (Phase 1, 2, or 3) | Unlit | Indicates one of the following:
|
Green |
|