Seagate ST3300655LC Cheetah 15K.5 SCSI Product Manual - Page 67

Amp US P/N: 2-557101-1

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Page 67 highlights

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 Hot plug version (with ground guide-pin) 787311-1 with polarization 787311-2 without polarization 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 Terminator [7] [6] 2 through X SCSI devices [4] SCSI ID 7 [5] Pin 1 (check your adapter for Pin 1 location) [1] SCSI ID 1 Host Adapter PCB [3] SCSI ID 0 [2] [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 T10/1365D (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 has the very lowest priority). [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 15. SCSI daisy-chain interface cabling for LW drives Cheetah 15K.5 SCSI Product Manual, Rev. J 61

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Cheetah 15K.5 SCSI Product Manual, Rev. J
61
Recommended mating 80-position PCBA mount connectors:
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.
[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 T10/1365D (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 has the very lowest priority).
[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 15. SCSI daisy-chain interface cabling for LW drives
Straight-in connector
Hot plug version (with ground guide-pin)
Seagate P/N:
77678703
Amp US P/N:
or
2-557103-1
94-0680-02-1
787311-1
with polarization
Amp US P/N:
or
2-557103-2
94-0680-02-2
787311-2
without polarization
Amp Japan P/N:
5-175475-9
Host
Adapter
PCB
Pin 1
(check your
adapter for Pin 1 location)
[6]
SCSI ID 1
SCSI ID 0
SCSI ID 7 [5]
[1]
[3]
[2]
2 through X
SCSI devices [4]
Terminator
[7]
“LW” Model
Drive