Activity LED
Description: appliance status
Applicable for: ALL Didactum
| LED | Color | Mode | Function |
|---|---|---|---|
| ACT / Activity | Green | Normal mode | Flashes at a frequency of 1 times per second. |
| Recovery mode | After successful completion of the software update process, the LED flashes at a frequency of 4 times per second. | ||
| Error, stuck | The LED is always lit or off for a long time. The device is frozen or won't boot. |
Error LED
Description: errors and activity
Applicable for: ALL Didactum
| LED | Color | Mode | Function |
|---|---|---|---|
| ERR / Error | Red | Normal mode | Extinguished - no error. Constant glow - error. |
| One-time activity | A single flash can mean: - Restart of the failed system service - writing a report and backing up to a USB flash drive | ||
| Software update mode | Switches at a rate of 2 times per second. | ||
| Recovery mode | 5 seconds after holding down the "RECOVERY" button, the "ERR" LED on the front panel lights up. |
CAN LED
Description: CAN bus status
Applicable for: ALL Didactum
| LED | Color | Mode | Function |
|---|---|---|---|
| CAN / CAN status | Green | Normal mode | Blinks slowly - not connected to any CAN devices. Blinks fast - CAN configuration is in process. Glows constantly, connected to CAN devices. |
LAN port LEDs
Description: Ethernet 10/100 Base-T port status
Applicable for: 50T, 100T, 300T, 500T, PDU and 550T
| LED | Function | Color | Description |
|---|---|---|---|
| LED0 | Link | Yellow | LED is blinking if there's network activity. |
| LED3 | 100M | Green | Light is off - 100Mbps connection is established. Constant light - no connection. |
RS-485 Modbus RTU LEDs
Description: RS-485 Modbus RTU status
Applicable for: 100T, 300T, 500T, PDU and 550T
| LED | Color | Function |
|---|---|---|
| RS-485 status | Red | Data transfer |
| Green | Data receiving |
OSDP reader LEDs
Description: OSDP reader status
Applicable for: 100T, 300T, PDU 4T, PDU 8T, 500T and 550T
| LED | Color | Function |
|---|---|---|
| RS-485 status | Red | Data transfer |
| Green | Data receiving |
12V Output LEDs
Description: 12V outputs status
Applicable for: all Didactum
| LED | Color | Description |
|---|---|---|
| E1, E2 / Electronic Relays Outputs: 12V DC, 0.25A | Yellow or Orange | Constant glow - relay is ON No glow - relay is OFF |
Outlet LEDs
Description: 110/240V IEC-320 C13 outlets
Applicable for: PDU 4M, PDU 4T and PDU 8T
| LED | Color | Description |
|---|---|---|
| OUT 1, …, OUT 8 | Yellow or Orange | Constant glow - outlet is ON No glow - outlet is OFF |
NC/NO/COM power relay terminal LEDs
Description: 110/240V IEC-320 C13 outlets
Applicable for: 500T and 550T
| LED | Color | Description |
|---|---|---|
| R1, R2 (Relays 1, Relay 2) | Yellow or Orange | Constant glow - relay is ON No glow - relay is OFF |
LTE/GSM Modem LED
Description: Status of modem
| LED | Color | Function | Description |
|---|---|---|---|
| Modem Status LED | Green | Always ON | The modem is searching for a network. Call Connect (include VOLTE, SRLTE); |
| 200ms ON, 200ms OFF | Data Transmission; The modem is in a 4G registered network. | ||
| 800ms ON, 800ms OFF | The modem is in 2G/3G registered network | ||
| OFF | The modem is powered off. The modem is asleep |