The I/O expansion module LEDs and their color definitions are shown in Table 6-5.

Table 6-5I/O Expansion Module LEDs

LED

Purpose

LED Color Definition

 

 

 

 

 

Activity

I/O activity of host

Off – Not busy (no I/O activity)

 

 

and disk ports

Blinking green – Busy (active I/O)

 

I/O module

Status of I/O

Solid green – Power-up successful and SES

 

 

module

chip has successfully read on-board

 

 

 

temperature and voltage sensors

 

 

 

Amber – Expansion unit powering up, or

 

 

 

failed voltage or temperature sensor

 

 

 

Off - Expansion unit is not powered up

 

SFP link (L)

SFP link status

Solid green – Active good FC Connection

 

 

 

Off – Empty or failed FC connection

 

SFP speed (S)

SFP speed status

Solid green – 2 Gbit

 

 

 

Off – 1 Gbit

 

 

 

 

 

 

 

 

 

Note – An SFP link status (L) LED is off if there is no connection or a failed connection to this SFP.

6.3.3Power Supply and Fan Module LEDs

Table 6-6Power Supply LEDs

Purpose

 

LED

LED Color Definition

 

 

 

Monitors the DC output voltage

Solid green

Power supply and fans are

within tolerance specification.

 

good.

Overcurrent protection shutting down

Solid amber

Failed: One or more output

any voltage output is also displayed.

Voltage thresholds:

 

voltages out of range or one

+5 VDC +/–.25 VDC

 

or both fans is rotating at less

+12 VDC +/–.6 VDC

 

than 4000 RPM.

Current thresholds:

 

 

+5 VDC

35A

 

 

+12 VDC

25A

 

 

 

 

 

 

The following figure shows the AC power supply and fan module.

Chapter 6 Checking LEDs 6-9

Page 107
Image 107
Dot Hill Systems II 200 FC service manual Power Supply and Fan Module LEDs, 5I/O Expansion Module LEDs, 6Power Supply LEDs