Introduction

• EMC

EN55022 (CISPR - A), FCC A

1.4.7Interfaces

Drive support See drive carrier specification

Attachment 1 FCAL loop of 16 drives

Passive Backplane with 1 or 2 Loop Resiliency Circuit (SCM) I/O Modules.

Host Port: FC-AL

Maximum external cable length: see

SFP - SFP cables

manufacturer’s specification

Expansion Port: SFP to SFP cables

 

1.4.8SCM I/O Module Specification

Speed

1.5Gb/s internal to each drive, 1Gb/s or 2Gb/s external

 

• Creates connections to a single loop of 16 drives

 

• 1 External FC loop with two SFP connections

Mounting

Rear, single bays 3 and/or 4 (see Figure 1–3)

Connectors

• 2 x Expansion Ports: SFP connector

 

• 2 x Host Ports: SFP connector (2 per port)

LED Functions

 

FC Host Port 0 Signal

Green: On: Incoming FC signal is GOOD

Good

– Off: no connection or incorrect connection

 

– Flashing: Invalid SFP connection

FC Host Port 1 Signal

Green: On: Incoming FC signal is GOOD

Good

– Off: no connection or incorrect connection

 

– Flashing: Invalid SFP connection

Router Status

Green: On: Storage Router Device Ready

 

– Off: Storage Router Device not ready or defective

ESI/SCM Module Fault

Amber: On: Fault present (also On when booting)

 

– Off: successful controller initialization

Power Dissipation

20W max.

1.4.9Drive Carrier Module Specification

Please contact your supplier for details of approved drives.

Important Operating the DCS9550 1S1 Storage Expansion Unit with non-approved drives may invalidate the

warranty.

 

Module Dimensions

Height 29.1mm Width 106.55mm Depth 44 mm

Weight

0.98kg (1.0” 36Gb drive)

Transition card

mounting locations for ATA - SATA drives with transition card attached

Operating Temperature

5° C to 40° C (when installed in an RS-1602 system enclosure with dual Power

 

Supply/Cooling Modules)

Power Dissipation

17 Watts maximum

12

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

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IBM DCS9550 1S1 manual Interfaces, SCM I/O Module Specification, Drive Carrier Module Specification