Hardware Configuration
ROBO-8773VG User’s Manual
2-9
J25/J27: Primary/Secondary USB Connector
PIN No.
Signal Description
1
5V
Dual
2
USB0-
3
USB0+
4
Ground
J26: Standalone Power Connector
PIN No.
Signal Description
1 +12V
2 Ground
3 Ground
4 +5V
J29/28/32: External USB Connector
PIN No.
Signal Description
PIN No.
Signal Description
1
5V Dual
2
Frame Ground
3 USB2-
4 Ground
5 USB2+
6 USB3+
7 Ground
8 USB3-
9
Frame Ground
10
5V Dual
1
5V Dual
2
Frame Ground
Note:
5V Dual is always available. It's supplied by either 5V VCC power source in normal
operation mode or 5V standby power source in standby mode
J30 : Primary Ethernet RJ-45 Connector
PIN No.
Signal Description
1 MDI0+
(MDI0P)
2 MDI0-
(MDI0N)
3 MDI1+
(MDI1P)
4 MDI2+
(MDI2P)
5 MDI2-
(MDI2N)
6 MDI1-
(MDI1N)
7 MDI3+
(MDI3P)
8 MDI3-
(MDI3N)
