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D.4 power supply conditions, D.4.1 input circuit, D.4.2 output circuit – FUJITSU SPARC ENTERPRISE M8000 User Manual

Page 498: Power supply conditions, D.4.1, Input circuit, D.4.2, Output circuit

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D-4

SPARC Enterprise M8000/M9000 Servers Service Manual • August 2009

D.4

Power Supply Conditions

TABLE D-2

and

TABLE D-3

show the power supply conditions of the UPC interface.

D.4.1

Input Circuit

Remarks: Limit the signal line chattering period to 1 ms.

D.4.2

Output Circuit

TABLE D-2

Input Power Supply Conditions

Signal name

Input conditions

*BPS/*UALM

No voltage relay contact

*BTL

Contact rating DC 12 V, 10 mA or greater (0.5 A maximum)

*ACOFF

Use of a gold-plated contact or reed relay is recommended.

TABLE D-3

Output Power Supply Conditions

Signal name

Output conditions

ER

Output voltage

VOH

DC 3.1 V (minimum)

VOL

DC 0 - 0.4 V (maximum)

Output current

IOH

-4 mA (maximum)

IOL

4 mA (maximum)

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