EPC-3221 CompactPCI
®
System Controller Board and C1XTN02 Transition I/O Module
30
Service Manual
Pin Signals
Overview
The tables below list the pin signals for the peripheral connectors.
Figure 8
on
page 19
indicates the pin positions for each.
Serial Ports 1 & 2
Parallel Port
Pin
Description
Pin
Description
Pin
Description
1
Data Carrier Detect (In)
1
– Strobe
10
– Acknowledge
2
Receive Data (In)
2
+ Data Bit 0
11
+ Busy
3
Transmit Data (Out)
3
+ Data Bit 1
12
+ Paper Feed
4
Data Terminal Ready (Out)
4
+ Data Bit 2
13
+ Select
5
Ground
5
+ Data Bit 3
14
– Auto Feed
6
Data Set Ready (In)
6
+ Data Bit 4
15
– Error
7
Request to Send (Out)
7
+ Data Bit 5
16
– Initialize Printer
8
Clear to Send (In)
8
+ Data Bit 6
17
– Select Input
9
Ring Indicator (In)
9
+ Data Bit 7
18-25
Ground
VGA Video
RJ-45 Ethernet
USB Header
Pin
Description
Pin
Description
Pin
Description
1
Red
1
Ethernet Transmit (TX+)
1
+5 V
2
Green
2
Ethernet Transmit (TX–)
2
USB –
3
Blue
3
Ethernet Receive (RX+)
3
USB +
12
Video ID 1
4
Ethernet COM
4
Ground
13
Horizontal Sync
5
Ethernet COM
5
Key
14
Vertical Sync
6
Ethernet Receive (RX–)
15
Video ID 3
7
Ethernet COM
4, 9, 11
Not Connected
8
Ethernet COM
5–8, 10
Ground
EIDE
Pin
Description
Pin
Description
Pin
Description
1
Reset (Out)
14
Data 13 (I/O)
31
+ IRQ14 (In)
3
Data 7 (I/O)
15
Data 1 (I/O)
32
I/O CS16 (In)
4
Data 8 (I/O)
16
Data 14 (I/O)
33
+ ADDR1 (Out)
5
Data 6 (I/O)
17
Data 0 (I/O)
35
+ ADDR0 (Out)
6
Data 9 (I/O)
18
Data 15 (I/O)
36
+ ADDR2 (Out)
7
Data 5 (I/O)
20
Not Connected
37
– CS1 (Out)
8
Data 10 (I/O)
21
DMA Request (In)
38
– CS3 (Out)
9
Data 4 (I/O)
23
– I/O Write (Out)
39
Activity Light (In)
10
Data 11 (I/O)
25
– I/O Read (Out)
2, 19,
22, 24,
26, 30,
34, 40
Ground
11
Data 3 (I/O)
27
I/O Channel Ready (In)
12
Data 12 (I/O)
28
+ ALE
13
Data 2 (I/O)
29
DMA Acknowledge (Out)
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