User guide

ECW-281B-D2550 Embedded System
Page 4
1.4.2 Rear Panel
The ECW-281B-D2550 rear panel contains:
 1 x 9V~36V DC power terminal block (WD models only)
 1 x 8-bit digital I/O (4-bit input/4-bit output)
 1 x 12V DC power jack
 1 x Audio line-out jack
 1 x Reset button
 2 x RJ-45 GbE connectors
 3 x RS-232 connectors (COM1, COM2, COM3)
 1 x RS-422/485 connector (COM4)
 2 x USB 2.0 ports
 1 x VGA connector
 2 x Wireless antenna connector (wireless models only)
An overview of the rear panel is shown in
6Figure 1-3 below.
Figure 1-3: ECW-281B-D2550 Rear Panel