C141-E064-03EN
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Figure 4.14 Power on/off sequence (1)
c) In a system which does not use the terminating resistor power supply signal (TERMPWR)
on the SCSI bus, the requirements for +5 VDC given in Figure 4.15 must be satisfied
between the IDD and the SCSI device with the terminating resistor circuit.
Figure 4.15 Power on/off sequence (2)
d) Between the IDD and other SCSI devices on the SCSI bus, the +5 VDC power on/off
sequence is as follows:
•
In a system with its all SCSI devices designed to prevent noise from leaking to the
SCSI bus when power is turned on or off, the power sequence does not matter if the
requirement in b) or c) is satisfied.
•
In a system containing an SCSI device which is not designed to prevent noise from
leaking to the SCSI bus, the requirement given in Figure 4.16 must be satisfied
between that SCSI device and the IDD.
Figure 4.16 Power on/off sequence (3)
SCSI devices
without noise
leaking designed
SCSI devices with
the terminating
resistor
Содержание MAE3091LC SERIES
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Страница 118: ...C141 E064 03EN B 1 APPENDIX B SETTING TERMINALS B 1 Setting Terminals This appendix describes setting terminals ...
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