StorCase Technology DE75i-S - Manual (Page 23)

StorCase Technology, Inc. DE75i-S User's Guide - Rev. A01
16 Installation
Signal Pin Signal Pin
-DB(0) 2 Ground 30
-DB(0) 4 -ATN 32
-DB(0) 6 Ground 34
-DB(0) 8 -BSY 36
-DB(0) 10 -ACK 38
-DB(0) 12 -RST 40
-DB(0) 14 -MSG 42
-DB(0) 16 -SEL 44
-DB(0) 18 -C/D 46
Ground 20 -REQ 48
Ground 22 -I/O 50
Ground 24
TRMPWR 26
Ground 28
Table 2: SCSI Interface Connector Pin Assignments
SCSI Interface Connector
The SCSI interface connector pin assignments are supplied for your convenience.
NOTE: All odd pins except Pins 23, 25, 27 and 29 are connected to ground. Pin
25 is left open.
CAUTION: Pin 25 must not be connected to ground at the HOST end or the drive end
of the cable. If the I/O connector is accidentally plugged upside down,
terminator power on Pin 26 will be shorted to ground.
The minus (-) sign next to the signals indicates asserted state is the low
voltage of the two levels used for logic signals.
Pins 23, 27, and 29 are reserved.