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Power supply alarm mute connector definition, Power supply alarm signal connector definition – Chenbro RM51424 LED Board(80H033215-005 Rev.A0~A2), For 3Gbps mini-SAS Backplane - Manual User Manual

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LED Board 80H033215-005 ver. A0~A2
User’s Manual

15Fl., No.150, Jian Yi Road, Chung Ho City, Taipei Hsien, Taiwan R.O.C.,

Tel: +886 2 82265500 Fax: +886 2 82265392 Email: [email protected]

7

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.chenbr

o.com

Function Switch Pin Definition

SW 1

SW 2

SW 3

SW 4

ON

Fan1~5 Monitoring

Enable

System Alarm

Temperature is 65°C

Fan Monitoring

Enable

HDD Sequential

Spin up Disable

OFF

Fan1~4 Monitoring

Enable

System Alarm

Temperature is 55°C

Fan Monitoring

Disable

HDD Sequential

Spin up Enable

SW 5

SW 6

4 HDDs

OFF

OFF

8 HDDs

ON

OFF

12 HDDs

OFF

ON

16 HDDs

ON

ON



Power Supply Alarm Mute Connector Definition

Pin 1: Ground

Pin 2: Alarm mute signal output to PSU (Active low)

Power Supply Alarm Signal Connector Definition

Pin 1: Ground

Pin 2: PSU fail signal (TTL) input from PSU (Active low)

Only redundant PSU come with the failure alarm and alarm mute reset control via signal

connector. Make sure the redundant PSU that user applied come with the connectors

above.

This picture shows the standard

“2510 2-pin” type PSU alarm signal

connectors which fitting Chenbro

LED board.

Pin 1

Pin 2

Pin 1

Pin 2

Mute (Yellow & Black wire)

TTL (Red & Black wire)