Adaptec APA-358 MiniSCSI EPP, Installation Manual

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APA-358 Installation Guide
Part Number: 510604-00, Rev. A
Print Spec Number: 492717-00
Current Date: 5/19/94
ECN Date: 5/31/94
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Table 1 lists the pin assignments for each connector
type. Definitions of the various signals may be found
in any SCSI design reference book. The SCSI inter-
face is fully defined in ANSI X3.131-1986; this docu-
ment is available from Global Engineering
Documents, 2805 McGaw Ave, Irvine, CA
92713-9539 USA, telephone (714) 261-1455.
Adaptec Customer Support Services
■
For information on software upgrades, new releases, technical
advice, and other topics, call Adaptec’s Electronic Bulletin
Board Service (BBS) 24 hours a day at 408-945-7727;
1200/2400/9600/14400 baud, 8 data bits, 1 stop bit, no parity.
Pin Pin
Alt. 1
Internal
Alt. 2
External Function Function
Alt. 1
Internal
Alt. 2
External
1 1 Gnd -DB0 2 26
3 2 Gnd -DB1 4 27
5 3 Gnd -DB2 6 28
7 4 Gnd -DB3 8 29
9 5 Gnd -DB4 10 30
11 6 Gnd -DB5 12 31
13 7 Gnd -DB6 14 32
15 8 Gnd -DB7 16 33
17 9 Gnd -DBP 18 34
19 10 Gnd Gnd 20 35
21 11 Gnd Gnd 22 36
23 12 Gnd Gnd 24 37
25 13 Open Termpwr 26 38
27 14 Gnd Gnd 28 39
29 15 Gnd Gnd 30 40
31 16 Gnd -ATN 32 41
33 17 Gnd Gnd 34 42
35 18 Gnd -BSY 36 43
37 19 Gnd -ACK 38 44
39 20 Gnd -RST 40 45
41 21 Gnd -MSG 42 46
43 22 Gnd -SEL 44 47
45 23 Gnd -C/D 46 48
47 24 Gnd -REQ 48 49
49 25 Gnd -I/O 50 50
External SCSI
Connector
8