Chapter 1: Introduction

Figure 1-6: IFT-9010D BBU Module

Figure 1-7: IFT-9070D Battery Charger Board

1.5.2 Daughter Board Expansion

The installation of an optional daughter board makes four additional SCSI-320 I/O channels available.

1.6. Environmental Requirements

When installing and running an SR controller, the following environmental considerations must be taken into account.

1.6.1 Power Supply Requirements

Two power cord connectors facilitate the connection of two redundant power supply units (PSUs). If redundant PSUs are used and one PSU fails, the second PSU continues to supply power to the SR controller. The SR power requirements are listed below:

Input Voltage

+5VDC, +12VDC

Power Consumption (5V)

 

ƒFull Loading: 5.5A

ƒ

Idle:

3.5A

ƒ

Power-up:

4A

When purchasing a PSU, the power requirements listed above must be taken into consideration. Please contact the SR controller vendor for a list of compatible PSUs.

Environmental Requirements

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Infortrend SentinelRAID 170 320ML/sec SCSI-to-SCSI RAID Controller Environmental Requirements, Daughter Board Expansion