SCSI-3 External Hi D-Sub (Differential) SCA 80 pin

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Image:connector_scsi_80p.png 80 pin SCSI SCA-2 female connector

Drive connector: AMP Champ 557613-1 or AMP Champ 557114-5

Cable connector: AMP Champ 2-557103-1 or AMP Champ 2-557101-1

SCA = Single connector Attachment

Pin Name Dir Description
1 12V - +12 VDC
2 12V - +12 VDC
3 12V - +12 VDC
4 12V - +12 VDC
5 3.3V - +3.3 VDC
6 3.3V - +3.3 VDC
7 -DB(11) IN/OUT Data Bus 11
8 -DB(10) IN/OUT Data Bus 10
9 -DB(9) IN/OUT Data Bus 9
10 -DB(8) IN/OUT Data Bus 8
11 -I/O OUT Input/Output
12 -REQ OUT Request
13 -C/D OUT Control/Data
14 -SEL IN/OUT Select
15 -MSG OUT Message
16 -RST IN/OUT Reset
17 -ACK IN Acknowledge
18 -BSY IN/OUT Busy
19 -ATN IN Attention
20 -P_CRCA ?
21 -DB(7) IN/OUT Data Bus 7
22 -DB(6) IN/OUT Data Bus 6
23 -DB(5) IN/OUT Data Bus 5
24 -DB(4) IN/OUT Data Bus 4
25 -DB(3) IN/OUT Data Bus 3
26 -DB(2) IN/OUT Data Bus 2
27 -DB(1) IN/OUT Data Bus 1
28 -DB(0) IN/OUT Data Bus 0
29 -DB(P1) ?
30 -DB(15) IN/OUT Data Bus 15
31 -DB(14) IN/OUT Data Bus 14
32 -DB(13) IN/OUT Data Bus 13
33 -DB(12) IN/OUT Data Bus 12
34 5V - Ground (Signal)
35 5V - Ground (Signal)
36 5V CHARGE - Ground (Signal)
37 SPINDLE SYNC ? Spindle Sync
38 RMT_START ? Remote Start
39 SCSI ID (0) - SCSI ID Bit 0
40 SCSI ID (2) - SCSI ID Bit 2
41 12V GROUND - +12 VDC Ground
42 12V GROUND - +12 VDC Ground
43 12V GROUND - +12 VDC Ground
44 MATED 1 ?
45 3.3V CHARGE - +3.3 VDC Charge
46 DIFFSNS - Differential Sense
47 +DB(11) IN/OUT Data Bus 11
48 +DB(10) IN/OUT Data Bus 10
49 +DB(9) IN/OUT Data Bus 9
50 +DB(8) IN/OUT Data Bus 8
51 +I/O OUT Input/Output
52 +REQ OUT Request
53 +C/D OUT Control/Data
54 +SEL IN/OUT Select
55 +MSG OUT Message
56 +RST IN/OUT Reset
57 +ACK IN Acknowledge
58 +BSY IN/OUT Busy
59 +ATN IN Attention
60 +P_CRCA ?
61 +DB(7) IN/OUT Data Bus 7
62 +DB(6) IN/OUT Data Bus 6
63 +DB(5) IN/OUT Data Bus 5
64 +DB(4) IN/OUT Data Bus 4
65 +DB(3) IN/OUT Data Bus 3
66 +DB(2) IN/OUT Data Bus 2
67 +DB(1) IN/OUT Data Bus 1
68 +DB(0) IN/OUT Data Bus 0
69 +DB(P1) ?
70 +DB(15) IN/OUT Data Bus 15
71 +DB(14) IN/OUT Data Bus 14
72 +DB(13) IN/OUT Data Bus 13
73 +DB(12) IN/OUT Data Bus 12
74 MATED 2 ?
75 5V GROUND - +5 VDC Ground
76 5V GROUND - +5 VDC Ground
77 ACTIVE LED OUT ?
78 DLYD_START ?
79 SCSI ID (1) - SCSI ID Bit 1
80 SCSI ID (3) - SCSI ID Bit 3

Notes

  • Direction is Device relative Bus (other Devices).
  • 5: RESERVED/NC
  • 6: RESERVED/NC
  • 20: -DB(P0)
  • 36: 5 VOLT
  • 44: 12 V GROUND
  • 45: RESERVED/NC
  • 46: RESERVED/NC
  • 74: 5 V GROUND

References

Category:Buses Connectors

 

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