CK30 Handheld Computer Service Manual
8-pin RJ45 Ethernet Connector
Pin No.
Signal Name
1
TX+
2
TX-
3
RX+
4
N/C
5
N/C
6
RX-
7
N/C
8
N/C
Type-B USB Connector
Pin No.
Signal Name
1
VBUS
2
UDC-
3
UDC+
4
GND
Chapter 4 — Theory of Operation
I/O to Terminal
Description
O
Ethernet TPETXP
O
Ethernet TPETXN
I
Ethernet TPERXP
I
Ethernet TPERXN
I/O to Terminal
Description
I
5V USB bus power. Used
for USB wakeup.
I/O
USB Data -
I/O
USB Data +
Ground
97