Functional Description
MEN Mikro Elektronik GmbH
31
20BC50R00 E1 – 2015-09-07
3.5
USB Interfaces
The BC50R provides one USB 2.0 interface at the front panel via one M12 USB
connector. The activity of the USB interface can be signaled via an LED at the front
panel. The LED (user LED B) can be controlled via the SMBus. See
Chapter 4.2
SMBus Overview on page 41
.
Connector types:
• 5-pin M12 receptacle, female, A-coded 90° (Phoenix Contact SACC-CI-M12FS-
5CON-L90 SCO - 1436644)
• Mating connector:
5-pin M12 plug, male
Table 3.
Pin assignment of USB front-panel connectors
Table 4.
Signal mnemonics of USB front-panel connectors
1
+5V
2
USB_D-
3
USB_D+
4
GND
5
-
Signal
Direction
Function
+5V
out
+5 V power supply
GND
-
Digital ground
USB_D+, USB_D- in/out
USB lines, differential pair
2
4
1
3
5
