# DO107 LED Status
This section is an explanation of LED behavior on an Do107 device.
# LED Color
| LED Color | Meaning |
|---|---|
| LED Red | Network Status indication |
| LED Green | Peripheral Status |
| LED Blue | GNSS Status |
# Network Status LED Indications
| Behaviour | Meaning | Signal |
|---|---|---|
| Blinking fast for a short time | GSM signal is not received |  |
| Blinking every second | The device has a good GSM signal,but without GPRS |  |
| Blinking every two seconds | The device has a good GSM signal and is connected to GPRS |  |
| Permanently switched on | The device has a GSM signal and sends information through GPRS | ON |
# Peripheral Status LED Indications
Blinking for the number of each side device connected to the device
| Behaviour | Meaning | Signal |
|---|---|---|
| Blinking every Five secend | One device connected |  |
| Twice Blinking every Five secend | Two device connected |  |
| Three times Blinking every Five seconds | Three device connected |  |
# GNSS Status LED LED Indications
| Behaviour | Meaning | Signal |
|---|---|---|
| Blinking fast for a short time | When the GPS / GLONASS signal is not received or the GPS / GLONASS signal is not accurate | |
| Blinking every Two second | When the exact GPS / GLONASS signal is received |  |
When the device is in deep sleep / sleep mode, all three lights simultaneously blink in the following pattern: