Printer Cable Extender  (260-2840)       Pinouts      Faxback Doc. # 4262

Pin Assignment Table for active Signals:

Pin No. Name               From Computer   To Printer  Remarks

1       /Strobe            In              Out
2-9     Data 0-Data 7      In              Out
10      /Ack               Out             In
11      Busy               Out             In
12      PE                 Out             In
13*     Slct Out           Out             In          IBM
        /Busy              Out             In          Tandy
14*     /Auto Feed XT      In              Out         IBM
        Ground                                         Tandy
15      NC                 Not Used        Not Used
16      Ground
17      NC                 Not Used        Not Used
18      NC                 Not Used        Not Used
19-30   Ground
31*     /Init              In              Out         IBM
        NC                 Not Used        Not Used    Tandy
32      /Error             Out             In
33*     Ground                                         IBM
        /Init              In              Out         Tandy
34      NC                 Not Used        Not Used
35      NC                 Not Used        Not Used
36      /Slct in           In              Out

Note:  The usage of the connector pins marked * can be changed with a
slide switch to achieve the compatibility for both IBM and Tandy printers.

Extender Cable for DB-25 TO 36-Pin Centronics

DB-25 Pin                              36-Pin Centronics

1........................Strobe........................1
2........................Data Bit 0....................2
3........................Data Bit.1....................3
4........................Data Bit 2....................4
5........................Data Bit 3....................5
6........................Data.Bit.4....................6
7........................Data Bit 5....................7
8........................Data Bit 6....................8
9........................Data.Bit 7....................9
10.......................Acknowledge..................10
11.......................Busy.........................11
12.......................Paper End....................12
13.......................Select Out...................13
14.......................Auto Feed XT.................14
15.......................Error........................31
16.......................Initialize Printer...........32
17.......................Select Input.................36
18-25....................Ground............16, 19-30, 33


(jlc-07/20/93)