System Management Header (Com 2); Figure 10: System Management Header; Table 8: System Management Header Pin Definition - ADLINK Technology ROScube-Pico TGL RQP-T37 User Manual

3.7.

System Management Header (COM 2)

There is a DB9 port with proprietary pinout on the right side panel for system management (labeled "COM 2").
PWRBTN: Power Switch
• Short pins 5 and 6 to do the following: (1) if the system is off, the system will be power on; (2) if the operating
system is running, then a window will pop up asking if the user wishes to turn off the system.
RESET: Reset Switch
• Short pins 7 and 8 to trigger a hard reset.
PLED: System Power LED
• On: system is operating
• Blinking: system is in S1/S3 sleep state
• Off: system is in S4 sleep state or powered off (S5).
HDLED: Drive Activity LED
• The LED is on when the hard drive is reading or writing data.
Pinouts and Signal Descriptions

Figure 10: System Management Header

Pin Signal
1 HDLED+
2 PLED+
3 HOLED-
4 PLED-
5 GND
Table 9: System Management Header Pin definition
Pin Signal
6 PWRBTN#
7 RESET#
8 GND
9 N/C
13