4. Each Component Function
EPC-2020 Series User’s manual
23
DVD drive : SLIM DRIVE
The product is equipped with a slim-type DVD multi drive.
Hard disk : HDD1, 2
These are slots for equipping the product with 2.5-inch SATA HDDs.
Serial port interface : COM A, B
The product has 2 ports of RS-232C compliant serial ports supporting up to a baud rate of 115,200bps
with a 16-byte transmission-dedicated data buffer and a 16-byte reception-dedicated data buffer.
Figure 4.3.
Serial port connector
Connector used on the product
9-pin D-SUB (MALE)
1
5
9
6
No.4-40UNC
Inch screw
threads
Pin No.
Signal name
1
CD
2
RD
3
TD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI