Sony PCV-R528DS - Manual (Page 73)

System Board 65
5 LOGIC GND
6 DSR
7 RTS
8 CTS
9 RI
Printer connector
Pin Signal Name
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 ACK -
11 BUSY
12 PE
13 SELECT
14 AUTO-FEED -
15 ERROR -
16 INIT -
17 SELECT-IN -
18 LOGIC GND
19 LOGIC GND
20 LOGIC GND
21 LOGIC GND
22 LOGIC GND
23 LOGIC GND
24 LOGIC GND
25 LOGIC GND