Interfaces and Connectors
EPM-32 Reference Manual
28
Table 5: JS5 High-Density 80-Pin Connector Pinout
JS5
Pin
External
Connector
Pin
Signal
JS5
Pin
External
Connector
Pin
Signal
A1
LPT1
1
Strobe
B1
USB CH0
1
+5V (Protected)
A2
JA
14
Auto feed
B2
USB CH1
6
Ground
A3
DB-25F
2
Data bit 1
B3
JD
2
Channel 0 Data
-
A4
15
Printer error
B4
10-pin
7
Cable Shield
A5
3
Data bit 2
B5
0.1" Male
3
Channel 0 Data +
A6
16
Reset
B6
Header
8
Channel 1 Data +
A7
4
Data bit 3
B7
4
Cable Shield
A8
17
Select input
B8
9
Channel 1 Data
-
A9
5
Data bit 4
B9
5
Ground
A10
18
Ground
B10
10
+5V (Protected)
A11
6
Data bit 5
B11
ETHERNET
4
Isolated Ground
A12
19
Ground
B12
JE
5
Isolated Ground
A13
7
Data bit 6
B13
8-pin
6
Receive Data
-
A14
20
Ground
B14
RJ-45
3
Receive Data +
A15
8
Data bit 7
B15
Jack
7
Isolated Ground
A16
21
Ground
B16
8
Isolated Ground
A17
9
Data bit 8
B17
2
Transmit Data
-
A18
22
Ground
B18
1
Transmit Data +
A19
10
Acknowledge
B19
PBRESET
—
Pushbutton Reset
A20
23
Ground
B20
—
Ground
A21
11
Port Busy
B21
COM1
1
Data Carrier Detect
A22
24
Ground
B22
JF
6
Data Set Ready
A23
12
Paper End
B23
DB-9M
2
Receive Data
A24
25
Ground
B24
7
Request to Send
A25
13
Select
B25
3
Transmit Data
A26
MISC
—
No Connect
B26
8
Clear to Send
A27
—
Programmable LED +
B27
4
Data Terminal Ready
A28
—
Programmable LED
-
B28
9
Ring Indicator
A29
—
S
B29
5
Ground
A30
—
Speaker
-
B30
—
No Connect
A31
—
IDE Data LED
-
B31
COM2
1
Data Carrier Detect
A32
—
IDE Data LED +
B32
JG
6
Data Set Ready
A33
MOUSE
4
+5V (Protected)
B33
DB-9M
2
Receive Data
A34
JB
1
Mouse Data
B34
7
Request to Send
A35
6-pin
3
Ground
B35
3
Transmit Data
A36
Mini-DIN
5
Mouse Clock
B36
8
Clear to Send
A37
KBD
4
+5V (Protected)
B37
4
Data Terminal Ready
A38
JC
1
Keyboard Data
B38
9
Ring Indicator
A39
6-pin
3
Ground
B39
5
Ground
A40
Mini-DIN
5
Keyboard Clock
B40
—
No Connect
The 5V power supplied to pins on this connector is protected by 1 Amp., self-resetting fuses.