HP COMPAQ DC5750 - Manual (Page 144)

A–2 437963-001 Service Reference Guide, dc5750
Connector Pin Assignments
Ethernet RJ-45
Connector and Icon Pin Signal
1
2
3
4
(+) Transmit Data
(-) Transmit Data
(+) Receive Data
Unused
5
6
7
8
Unused
(-) Receive Data
Unused
Unused
Ethernet AUI
Connector and Icon
Pin Signal Pin Signal
1
2
3
4
Ground
Negative AUI Differential Collision
Positive AUI Differential Collision
Negative AUI Differential Transmit
9
10
11
12
Positive AUI Differential Receive
+12V
Ground
Ground
5
6
7
8
Positive AUI Differential Transmit
Ground
Ground
Negative AUI Differential Receive
13
14
15
16
Unused
Unused
Unused
Unused
Parallel Interface
Connector and Icon
Pin Signal Pin Signal Pin Signal
1
2
3
Strobe
Data Bit 0
Data Bit 1
7
8
9
Data Bit 5
Data Bit 6
Data Bit 7
13
14
15
Select
Auto Linefeed
Error
4
5
6
Data Bit 2
Data Bit 3
Data Bit 4
10
11
12
Acknowledge
Busy
Paper End
16
17
18-25
Initialize Printer
Select IN
Signal Ground