AT&T 3B2/300 Technical Reference Manual page 781

- - - - - - - - - - - - - - - - - Appendix: CONNECTOR AND CABLING INFORMATION
50-PIN CM195W SCSI HOST ADAPTER CARD BUS O AND 1 CONNECTORS, Jl and J2
PIN DESCRIPTION FUNCTION
01 GROUND
GROUND
02 -DATA BUS BIT O (-DBO)
INPUT /OUTPUT
03 GROUND GROUND
04
-DATA BUS BIT 1 (-DBl)
INPUT /OUTPUT
05
GROUND GROUND
06
-DATA BUS BIT 2 (-DB2)
INPUT /OUTPUT
07 GROUND GROUND
08
-DATA BUS BIT 3 (-DB3) INPUT /OUTPUT
09 GROUND GROUND
10
-DATA BUS BIT 4 (-DB4) INPUT/OUTPUT
11
GROUND GROUND
12 -DATA BUS BIT 5 (-DBS) INPUT /OUTPUT
13
GROUND GROUND
14
-DATA BUS BIT 6 (-DB6) INPUT /OUTPUT
15
GROUND GROUND
16
-DATA BUS BIT 7 (-DB7) INPUT /OUTPUT
17 GROUND
GROUND
18
-DATA BUS PARITY BIT (-DBP) INPUT /OUTPUT
19
GROUND GROUND
20 GROUND GROUND
21
GROUND GROUND
22 GROUND GROUND
23 GROUND GROUND
24 GROUND GROUND
25 OPEN
~
26 TERMINATOR POWER POWER
27 GROUND GROUND
28 GROUND GROUND
29 GROUND GROUND
30 GROUND GROUND
31 GROUND GROUND
32 -ATTENTION INPUT /OUTPUT
33 GROUND GROUND
34 GROUND GROUND
35 GROUND
GROUND
36
-BUSY INPUT/OUTPUT
37 GROUND GROUND
38
-ACKNOWLEDGE INPUT /OUTPUT
39
GROUND GROUND
40
-RESET OUTPUT
41 GROUND GROUND
42 -MESSAGE INPUT /OUTPUT
43 GROUND GROUND
44 -SELECT
INPUT /OUTPUT
45 GROUND GROUND
46 -CONTROL/DATA INPUT /OUTPUT
47 GROUND GROUND
48 -REQUEST INPUT /OUTPUT
49 GROUND GROUND
50 -INPUT/OUTPUT INPUT /OUTPUT
CONNECTOR AND CABLING INFORMATION B-199