Specifications

Connectors
The SCSI connector is a high-density, 50-pin, standard SCSI-2 connector of type
AMP 174726-4 or equivalent. The mating connector is AMP part number 750342-5.
The connector type is "shielded alternative 1" in the SCSI-2 specification. The
connector pins are defined in the following table.
25 1
50 26
Pin Signal Pin Signal
1 Ground 26 -DB(0)
2 Ground 27 -DB(1)
3 Ground 28 -DB(2)
4 Ground 29 -DB(3)
5 Ground 30 -DB(4)
6 Ground 31 -DB(5)
7 Ground 32 -DB(6)
8 Ground 33 -DB(7)
9 Ground 34 -DB(P)
10 Ground 35 Ground
11 Ground 36 Ground
12 Ground 37 Ground
13 unconnected 38 TERMPWR
14 Ground 39 Ground
15 Ground 40 Ground
16 Ground 41 -ATN
17 Ground 42 Ground
18 Ground 43 -BSY
19 Ground 44 -ACK
20 Ground 45 -RST
21 Ground 46 -MSG
22 Ground 47 -SEL
23 Ground 48 -C/D
24 Ground 49 -REQ
25 Ground 50 -I/O
66
Table 10. SCSI Port Pin-out.
Page 37
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