IBM DCS9550 1S1 manual 6SCM I/O Module

Introduction

Table 1–2	SCM I/O Module LEDs
FC Host Port 1		Incoming FC signal is GOOD	Green		Off
Signal Good		No connection or incorrect connection		On
		Invalid SFP connection			Flashing
Router Status		Storage Router Device Ready	Green	On	Off
		Storage Router Device not ready or defective
ESI/SCM Module		Fault present (also On when booting)	Amber	Off	On
Fault		Successful controller initialization

Figure 1–6SCM I/O Module

6 IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide