Ethernet Aui; Parallel Interface - Compaq 133756-004 - Deskpro EN - 6550 Model 6400 Service & Reference Manual
Deskpro personal computers service reference guide
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Also See for 133756-004 - Deskpro EN - 6550 Model 6400:
- Maintenance & service manual (85 pages) ,
- Configuration manual (152 pages) ,
- Maintenance and service manual (103 pages)
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Ethernet AUI
Connector and Icon
8
7
6
5
4
3
15
14
13
12
11
Parallel Interface
Connector and Icon
13
12
11
10
9
8
25
24
23
22
21
A-2
Connector Pin Assignments
2
1
10
9
7
6
5
4
3
2
1
20
19
18
17
16
15
14
Pin
Signal
1
Ground
2
Negative AUI Differential Collision
3
Positive AUI Differential Collision
4
Negative AUI Differential Transmit
5
Positive AUI Differential Transmit
6
Ground
7
Ground
8
Negative AUI Differential Receive
9
Positive AUI Differential Receive
10
+12V
11
Ground
12
Ground
13
Not Used
14
Not Used
15
Not Used
16
Not Used
Pin
Signal
1
Strobe
2
Data Bit 0
3
Data Bit 1
4
Data Bit 2
5
Data Bit 3
6
Data Bit 4
7
Data Bit 5
8
Data Bit 6
9
Data Bit 7
10
Acknowledge
11
Busy
12
Paper End
13
Select
14
Auto Linefeed
15
Error
16
Initialize Printer
17
Select IN
18-25
Signal Ground
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