ePAQ-9410 / ePAQ-
9420 User’s Guide UG-1071
22
Communications Ports
Copyright 2017 QEI
6.8 Ports 16/17/18/19 (J12B/A/D/C): 10/100BaseTX Ethernet
6.8.1 Introduction
There are four copper 10/100BaseTX ports available for device or network connection.
Port designations : 100BASE TX (x4) , J12A, J12B, J12C, J12D.
6.8.2 Connections
Connector Type : Connector array of four 8-Pin RJ45 connectors (2x2).
PORT 18
PORT 19
PORT 16
PORT 17
(J12D)
(J12C)
(J12B)
(J12A)
Connections for J12B, J12C, and J12D pins 1 thru 6 are identical to the table above for J12A.
However, J12B, J12C, and J12D pins 7 and 8 differ from the table above, as they are used for
redundancy applications per the following section.
RJ45 PIN #
Signal Type
Signal Name
J12A-1
Ethernet
RX+
J12A-2
Ethernet
RX-
J12A-3
Ethernet
TX+
J12A-4
Ethernet
N/C
J12A-5
Ethernet
N/C
J12A-6
Ethernet
TX-
J12A-7
See Below 6.8.3 N/C
J12A-8
See Below 6.8.3 N/C
