Specifications
PL-7900 Series User Manual
2-7
4
RS-232C Interface (COM1/COM2/COM3)
Pin No.
Signal Name
Pin No.
Signal Name
1
CD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
GND
5
RAS Interface
Pin No.
Signal Name
Pin No.
Signal Name
1 GND 14 GND
2 +5V 15 +5V
3 +12V 16 NC
4 NC 17 NC
5
RESET INPUT (+)
18
NC
6
DIN 0 (+)
19
NC
7 DOUT
(-) 20 NC
8
DOUT (+)
21
LAMP OUT (-)
9
ALARM OUT (-)
22
LAMP OUT (+)
10
ALARM OUT (+)
23
NC
11
RESET INPUT (-)
24
DIN1 (-)
12
DIN 0 (-)
25
NC
13
DIN 1 (+)
D-sub 9 pin (Male)
Screw Size:
(4-40): Inch Type
Item
Feature
Input
DIN 0,1
Digital Input Port (2 points)
RESET
Hardware can be reset via external
reset signal.
Output
DOUT
Digital output port (1 point)
Alarm
Alarm signal output port (1 point)
Lamp
Alarm lamp connection port (1 point)
9
8
7
6
5
4
3
2
1
LED
Status
Green,Lights Continuously
Normal Operation
Orange, Lights Continuously
System Monitor Alarm has occurred
Orange, Blinking
When the Mirror Disk unit is installed, indicates that a hard
disk error has detected
!
Power Lamp LED Error Display
The Power Lamp LED indicates when the RAS feature has detected an error, due to a
PL operation or environment related problem.
To use this feature, you need to install the RAS system monitor feature from the PL’s
additional floppy disk.
6-1 Floppy Disk File List
Screw Size:
(4-40): Inch Type
D-Sub 25 pin (Male)
1
2
3
4
5
6
7
8
9
10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
Summary of Contents for PL-7900 Series
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