Ethernet Rj-45; Parallel Interface - HP dx2420 - Microtower PC Service & Reference Manual

Ethernet RJ-45

Connector and Icon

Parallel Interface

Connector and Icon
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
Pin Signal
1 (+) Transmit Data
2 (-) Transmit Data
3 (+) Receive Data
4 Unused
5 Unused
6 (-) Receive Data
7 Unused
8 Unused
Pin Signal
10 Acknowledge
11 Busy
12 Paper End
13 Select
14 Auto Linefeed
15 Error
16 Initialize Printer
17 Select IN
18–25 Signal Ground
Ethernet RJ-45 69