
External Connectors
H
IGH
D
ENSITY
80-P
IN
C
ABLE
(JS4)
Cable assembly VL-CBL-8001 is used to break-out this high density connector into standard PC
I/O connectors. This chart shows the pinout for the cable assembly.
Table 2: JS4 High Density 80-Pin Connector Pinout
JS4
Pin
External
Connector
Pin
Signal
JS4
Pin
External
Connector
Pin
Signal
1A
LPT1
1 Strobe
1B
USB CH0
1 +5V
(Protected)
2A JA 14
Auto
feed
2B JD 6
Ground
3A
2
Data bit 1
3B
2
Channel 0 Data –
4A
15
Printer error
4B
7
Cable Shield
5A
3
Data bit 2
5B
3
Channel 0 Data +
6A
16
Reset
6B
8
Channel 1 Data +
7A
4
Data bit 3
7B
4
Cable Shield
8A
17
Select input
8B
9
Channel 1 Data –
9A
5
Data bit 4
9B
5
Ground
10A
18 Ground
10B
10 +5V
(Protected)
11A
6
Data bit 5
11B
ETHERNET
4 Isolated
Ground
12A
19 Ground
12B
JE
5 Isolated
Ground
13A
7
Data bit 6
13B
6
Receive Data –
14A
20 Ground
14B
3 Receive
Data
+
15A
8
Data bit 7
15B
7
Isolated Ground
16A
21 Ground
16B
8 Isolated
Ground
17A
9
Data bit 8
17B
2
Transmit Data –
18A
22 Ground
18B
1 Transmit
Data
+
19A
10 Acknowledge
19B
PBRESET
— Pushbutton
Reset
20A
23 Ground
20B
— Ground
21A
11 Port
Busy
21B
COM1
1
Data Carrier Detect
22A
24 Ground
22B
JF
6 Data
Set
Ready
23A
12 Paper
End
23B
2 Receive
Data
24A
25 Ground
24B
7 Request
to
Send
25A
13 Select
25B
3 Transmit
Data
26A
MISC
—
No Connect
26B
8
Clear to Send
27A
—
Programmable LED+
27B
4
Data Terminal Ready
28A
—
Programmable LED–
28B
9
Ring Indicator
29A —
Speaker
+
29B 5
Ground
30A
— Speaker
–
30B
— No
Connect
31A
—
IDE Data LED–
31B
COM2
1
Data Carrier Detect
32A
—
IDE Data LED+
32B
JG
6
Data Set Ready
33A
MOUSE
4 +5V
(Protected)
33B
2 Receive
Data
34A
JB
1
Mouse Data
34B
7
Request to Send
35A
3 Ground
35B
3 Transmit
Data
36A
5
Mouse Clock
36B
8
Clear to Send
37A
KBD
4
+5V (Protected)
37B
4
Data Terminal Ready
38A
JC
1 Keyboard
Data
38B
9 Ring
Indicator
39A
3 Ground
39B
5 Ground
40A
5
Keyboard Clock
40B
—
No Connect
EPM-CPU-10 Reference Manual
Reference – 13