User manual

Ch a p t e r 2: Pin D e f i n i t i on & Jumper Settings
2-1 F r on t Panel Pin D e f i n i t i on
1. Power Switch
2. LAN port
3. Two RS-232 ports (COM1 & COM2)
Pin
Def initi on
Pin
Definition
1
DCD
2
RX
3
TX
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
4. Two USB por ts
Pin
Definition
1
5V
2
D -
3
D+
4
G ND
5. Power & HDD ON/Off LED
- Power LED indicator would li ght when power is on.
- HDD LED indicator for hard disk access is an active low signal.
2-2 Top & Bo tt o m Panel Pin D e f i n i t i on
1. One DR-9 reser ved for Top & Bottom panel as optional expansion.