PWR1 and PWR2 respectively correspond to two power status indicators, and four card indicators display four card working states.
| Name | Status | Description |
|---|---|---|
| PWR1/PWR2 power light | OFF | No power supplied or device failure |
| Red light always on | Working | |
| Card working light | OFF | Not enabled, not insert the card or the card works abnormally |
| Green light always on | The card is working |