Table 2
+================-===============-=========-===============-================+
| | Connector | | Connector | |
| | contact number| Cable |contact number | |
| Signal |---------------|conductor|---------------| Signal |
| name | Set 2 | Set 1 | number | Set 1 | Set 2 | name |
|----------------+-------+-------+---------+-------+-------+----------------|
| GROUND | 1 | 1 | 1 | 2 | 2 | 26 | -DB(0) |
| GROUND | 2 | 3 | 3 | 4 | 4 | 27 | -DB(1) |
| GROUND | 3 | 5 | 5 | 6 | 6 | 28 | -DB(2) |
| GROUND | 4 | 7 | 7 | 8 | 8 | 29 | -DB(3) |
| GROUND | 5 | 9 | 9 | 10 | 10 | 30 | -DB(4) |
| GROUND | 6 | 11 | 11 | 12 | 12 | 31 | -DB(5) |
| GROUND | 7 | 13 | 13 | 14 | 14 | 32 | -DB(6) |
| GROUND | 8 | 15 | 15 | 16 | 16 | 33 | -DB(7) |
| GROUND | 9 | 17 | 17 | 18 | 18 | 34 | -DB(P) |
| GROUND | 10 | 19 | 19 | 20 | 20 | 35 | GROUND |
| GROUND | 11 | 21 | 21 | 22 | 22 | 36 | GROUND |
| RESERVED | 12 | 23 | 23 | 24 | 24 | 37 | RESERVED |
| OPEN | 13 | 25 | 25 | 26 | 26 | 38 | TERMPWR |
| RESERVED | 14 | 27 | 27 | 28 | 28 | 39 | RESERVED |
| GROUND | 15 | 29 | 29 | 30 | 30 | 40 | GROUND |
| GROUND | 16 | 31 | 31 | 32 | 32 | 41 | -ATN |
| GROUND | 17 | 33 | 33 | 34 | 34 | 42 | GROUND |
| GROUND | 18 | 35 | 35 | 36 | 36 | 43 | -BSY |
| GROUND | 19 | 37 | 37 | 38 | 38 | 44 | -ACK |
| GROUND | 20 | 39 | 39 | 40 | 40 | 45 | -RST |
| GROUND | 21 | 41 | 41 | 42 | 42 | 46 | -MSG |
| GROUND | 22 | 43 | 43 | 44 | 44 | 47 | -SEL |
| GROUND | 23 | 45 | 45 | 46 | 46 | 48 | -C/D |
| GROUND | 24 | 47 | 47 | 48 | 48 | 49 | -REQ |
| GROUND | 25 | 49 | 49 | 50 | 50 | 50 | -I/O |
|---------------------------------------------------------------------------|
|NOTES |
| 1 The minus sign next to a signal indicates active low. |
| 2 The conductor number refers to the conductor position when using |
| 0,050 inch centreline flat ribbon cable with a low-density connector or|
| when using 0,025 inch centreline flat ribbon cable with a high-density |
| connector. Other cable types may be used to implement equivalent |
| contact assignments. |
| 3 Two sets of contact assignments are shown. Refer to table 1 to |
| determine which set of contacts applies to each connector. |
| 4 See 4.4.4 for a definition of the RESERVED lines. |
+===========================================================================+