19-PIN CONNECTOR ELECTRICAL CONNECTIONS
5
5.7 ETHERNET INTERFACE (MATRIX-21XX MODELS ONLY)
The Ethernet Interface can be used for TCP/IP communication with a remote or local host
computer by connecting the reader to either a LAN or directly to a host PC.
The following is an example of a connection to a LAN using a straight through cable:
RJ45 Modular Jack Pinout
Pin Name Function
1 TX+ Transmitted data (positive pin)
2 RX+ Received data (positive pin)
3 TX- Transmitted data (negative pin)
6 RX- Received data (negative pin)
4, 5, 7, 8 NC Not connected
MATRIX
5
LAN
3
4
2
1
6
5
3
4
2
1
6
7
8
7
8
RX+
TX-
TX+
RX-
n. c.
n. c.
n. c.
n. c.
n. c. = not connected
Figure 73 - Straight-Through Cable
The following is an example of direct connection to a PC using a crossover cable:
MATRIX
5
HOST PC
3
4
2
1
6
5
1
4
6
3
2
7
8
7
8
RX+
TX-
TX+
RX-
n. c.
n. c.
n. c.
n. c.
n. c. = not connected
Figure 74 - Crossover Cable
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