1 What: /sys/class/leds/<tty_led>/ttyn
2 Date: Dec 2020
3 KernelVersion: 5.10
4 Contact: linux-leds@vger.kernel.org
5 Description:
6 Specifies the tty device name
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
13 If set to 0, the LED will not
14 If set to 1 (default), the LED
15
16 What: /sys/class/leds/<tty_led>/tx
17 Date: February 2024
18 KernelVersion: 6.8
19 Description:
20 Signal transmission (tx) of da
21 If set to 0, the LED will not
22 If set to 1 (default), the LED
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 fr
30 If the line state is detected,
31 If set to 0 (default), the LED
32 If set to 1, the LED will eval
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 se
40 If the line state is detected,
41 If set to 0 (default), the LED
42 If set to 1, the LED will eval
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 fro
50 If the line state is detected,
51 If set to 0 (default), the LED
52 If set to 1, the LED will eval
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 r
60 line. If the line state is det
61 If set to 0 (default), the LED
62 If set to 1, the LED will eval
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.