| 1 | What: /sys/class/leds/<tty_led>/ttyname |
| 2 | Date: Dec 2020 |
| 3 | KernelVersion: 5.10 |
| 4 | Contact: [email protected] |
| 5 | Description: |
| 6 | Specifies the tty device name of the triggering tty |
| 7 | |
| 8 | What: /sys/class/leds/<tty_led>/rx |
| 9 | Date: February 2024 |
| 10 | KernelVersion: 6.8 |
| 11 | Description: |
| 12 | Signal reception (rx) of data on the named tty device. |
| 13 | If set to 0, the LED will not blink on reception. |
| 14 | If set to 1 (default), the LED will blink on reception. |
| 15 | |
| 16 | What: /sys/class/leds/<tty_led>/tx |
| 17 | Date: February 2024 |
| 18 | KernelVersion: 6.8 |
| 19 | Description: |
| 20 | Signal transmission (tx) of data on the named tty device. |
| 21 | If set to 0, the LED will not blink on transmission. |
| 22 | If set to 1 (default), the LED will blink on transmission. |
| 23 | |
| 24 | What: /sys/class/leds/<tty_led>/cts |
| 25 | Date: February 2024 |
| 26 | KernelVersion: 6.8 |
| 27 | Description: |
| 28 | CTS = Clear To Send |
| 29 | DCE is ready to accept data from the DTE. |
| 30 | If the line state is detected, the LED is switched on. |
| 31 | If set to 0 (default), the LED will not evaluate CTS. |
| 32 | If set to 1, the LED will evaluate CTS. |
| 33 | |
| 34 | What: /sys/class/leds/<tty_led>/dsr |
| 35 | Date: February 2024 |
| 36 | KernelVersion: 6.8 |
| 37 | Description: |
| 38 | DSR = Data Set Ready |
| 39 | DCE is ready to receive and send data. |
| 40 | If the line state is detected, the LED is switched on. |
| 41 | If set to 0 (default), the LED will not evaluate DSR. |
| 42 | If set to 1, the LED will evaluate DSR. |
| 43 | |
| 44 | What: /sys/class/leds/<tty_led>/dcd |
| 45 | Date: February 2024 |
| 46 | KernelVersion: 6.8 |
| 47 | Description: |
| 48 | DCD = Data Carrier Detect |
| 49 | DTE is receiving a carrier from the DCE. |
| 50 | If the line state is detected, the LED is switched on. |
| 51 | If set to 0 (default), the LED will not evaluate CAR (DCD). |
| 52 | If set to 1, the LED will evaluate CAR (DCD). |
| 53 | |
| 54 | What: /sys/class/leds/<tty_led>/rng |
| 55 | Date: February 2024 |
| 56 | KernelVersion: 6.8 |
| 57 | Description: |
| 58 | RNG = Ring Indicator |
| 59 | DCE has detected an incoming ring signal on the telephone |
| 60 | line. If the line state is detected, the LED is switched on. |
| 61 | If set to 0 (default), the LED will not evaluate RNG. |
| 62 | If set to 1, the LED will evaluate RNG. |