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Recommended mating 80-position PCBA mount connectors:
Straight-in connector
Seagate P/N:
77678703
Amp US P/N:
2-557103-1
or
94-0680-02-1
Amp US P/N:
2-557103-2
or
94-0680-02-2
Amp Japan P/N: 5-175475-9
Right-angle to PCBA connectors
Seagate P/N:
77678559
Amp US P/N:
2-557101-1
Amp Japan P/N: 5-175474-9
For additional information call Amp FAX service at 1-800-522-6752.
"LW" Model
Drive
SCSI ID 1
SCSI ID 0
[1]
Closed end type 68-pin connector used. Terminators enabled.
[2]
Open end type (in-line application) connector used.
[3]
Host need not be on the end of the daisy-chain. Another device can be on the end with the terminator, the
host having no terminator.
[4]
Total interface cable length must not exceed that specified in ANSI document T10/1302D (including host
adapter/initiator). The cable length restriction limits the total number of devices allowed.
[5]
SCSI ID7 has highest arbitration priority, then ID15 to ID8 (ID 8 very lowest).
[6]
Last drive on the daisy chain.
[7]
Open-end type 68-pin connector used. If end device, use external terminator and closed-end type 68-pin
connector.
Figure 17.
SCSI daisy chain interface cabling for LW/LWV drives
Hot plug version (with ground guide-pin)
787311-1
with polarization
787311-2
without polarization
Terminator
[7]
[6]
2 through X
SCSI devices [4]
[2]
[2]
Cheetah 36LP Product Manual, Rev. B
Pin 1
(check your
adapter for Pin 1 location)
SCSI ID 7 [5]
[1]
Host Adapter
PCB
[3]
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