APC RAID Subsystem SCSI-SATA II User Manual download pdf (Page 33)

SCSI to SATA II RAID Subsystem

User Manual

Chapter 3 Getting Started with the Subsystem

3.1 Connecting the RAID Subsystem to the Host

The subsystem supports Ultra 320 SCSI LVD interface which provides fast 320MB/S data

transfer rates using a 16-bit SCSI bus. Installation of the disk array is very similar to the

installation of a standard SCSI drive. The SCSI connector accepts the standard 68-pin

LVD SCSI connector used on most LVD SCSI devices. Refer to your system and/or SCSI

host adapter manual for additional installation procedures that may apply to your system

or host adapter.

1. Connect the power cables to the AC Power inlets.

2. Connect the Ethernet cable to the RAID subsystem’s Ethernet port.

3. Connect the external serial cable to the controller’s RS-232 Port (phone jack type).

4. Connect the other end of the external serial cable to the RS-232 Port (DB9 type) on

your host system.

5. The package comes with two external SCSI cables. For every pair of host channel

SCSI connector at the rear of the subsystem, attach one end of the external SCSI

cable to one of the SCSI Host Channel connectors and the other end to the host

adapter’s external SCSI connector. (The host adapter is installed in your host

system.)

6. Attach a SCSI terminator to the other SCSI Host Channel connector (Host Channel

Out port). Make sure to tighten the lock screws of the SCSI terminator.

7. Connect the other host system using the other external SCSI cable if you want to

configure subsystem into multi-host attachment.

NOTE: When one or more SCSI devices are connected, the total

length of all cables (internal or external) must not exceed 3

meters (9.8 ft.) to ensure reliable operation.

IMPORTANT: For safety reasons, make sure the Disk Array and

Host Computer are turned off when you plug-in the SCSI cable.

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APC RAID Subsystem SCSI-SATA II User Manual Page 33