DA-681C Series HW UM
Hardware Installation
2-9
Gigabit LAN Ports
The DA-681C has 6 Gigabit LAN ports. When a LAN cable is properly connected, the LEDs on the front panel
will glow to indicate the connection status.
Refer to the following figure and table for the pin sequence and definitions.
Pin
100 Mbps
1000 Mbps
1
Tx+
TRD(0)+
2
Tx-
TRD(0)-
3
Rx+
TRD(1)+
4
–
TRD(2)+
5
–
TRD(2)-
6
Rx-
TRD(1)-
7
–
TRD(3)+
8
–
TRD(3)-
Digital Inputs/Digital Outputs
The DA-681C is provided with six digital inputs and two digital outputs in a terminal block. Refer to the
following figure for the location of the DI and DO connectors.
For pin definitions and wiring methods, see the figures below.