2.4 VGA and DVI connector module (V1)
The DVMB-554E includes DVI and VGA interface that can drive dual displays.
2.5 Serial port module: COM1/COM2 (CM1)
The DVMB-554E offers two serial ports. The user can use J2 to select among RS 232/422/485 modes for COM2. The default setting is RS 232 for both COM1 and COM2. These ports can connect to serial devices,
