Chapter 2 Hardware Configuration
Page: 2-22
Prox-1750 USER'S MANUAL
JRJ45USB2:
USB & LAN Connector
This connector contains two USB ports and one LAN.
The pin assignments are as follows:
LAN
PIN ASSIGNMENT
INTEL82551QM INTEL
82540
1 TX+
MDIO+
2 TX-
MDIO-
3 RX+
MDI1+
4 ISOLATED
GND
MDI1-
5 ISOLATED
GND
MDI2+
6 RX-
MDI2-
7 ISOLATED
GND
MDI3+
8 ISOLATED
GND
MDI3-
11 Pull
Hi
Orange-
12
LED – Yellow
Yellow-
13
Pull Hi
Pull Hi
14
LED - Green
LED - Green
USB
PIN ASSIGNMENT
A1
+5.0V or +5.0V STAND BY
A2
USBP0
−
A3 USBP0+
A4 GND
B1
+5.0V or +5.0V STAND BY
B2
USBP1
−
B3 USBP1+
B4 GND
Note: JUSB2 share the JRJ45USB2 for cable with rear USB bracket.
INTEL 82540 Giga Lan Selection
10 MB
No Display
100MB Yellow
Display
1000MB Orange
Display
JRJ45USB2
(For INTEL 82551QM )
Yellow
Green
JRJ45USB2
(For INTEL 82540EM Giga Lan)
Yellow/Orange
Green
JUSB2
A5
B5
A1
B1