Sun Microsystems A3500 manual Scsi Connections

Page 28

2.2.1.2SCSI Connections

Differential SCSI terminator

2

1

Differential SCSI	Differential SCSI
terminator	terminator

FIGURE 2-11One A3000 Controller Module and Two D1000 Disk Arrays (SCSI)

Differential SCSI

Differential SCSI

terminator

terminator

2

1

Differential SCSI terminator

FIGURE 2-12Two D1000 Disk Arrays and One A3000 Controller Module (SCSI)

2-12Sun StorEdge A3500 Hardware Configuration Guide • September 1998

Image 28

Contents Sun StorEdge A3500 Hardware Configuration Guide Page Contents Iv Sun StorEdge A3500 Hardware Configuration Guide September Using Unix Commands PrefaceTypographic Conventions Shell PromptsTable P-1Typographic Conventions Table P-2Shell PromptsRelated Documentation Sun Documentation on the WebSun Welcomes Your Comments Table P-3Related DocumentationPage Host Connections Configuration Guidelines Supported Host Configurations Single HostDaisy Chain Independent Controller 4Two-Node Multi-Initiator Configuration Multi-InitiatorUltra 2 Host System-Power Connection Requirement 5AC Power Sequencers-Ultra 2 Power ConnectorGain access to the AC power sequencers StorEdge A3500 Configurations StorEdge D1000 Disk Array Settings Rear1 1x2 Configuration Option Switch1x2 Module ID Switch Settings Module ID SwitchScsi Jumper Cables and Terminators 2 1x5 Configuration 51x5 Option Switch Settings for StorEdge D1000 Disk Array11x5 Module ID Switch Settings 3 2x7 Configuration 82x7 Option Switch Settings for StorEdge D1000 Disk Array22x7 Module ID Switch Settings 33x15 Module ID Switch Settings 4 3x15 Configuration43x15 Module ID Switch Settings 10Sun StorEdge A3500 Hardware Configuration Guide September 1x2 Cabling Scsi CablingCable Lengths 5Controller Module aScsi Connections 11One A3000 Controller Module and Two D1000 Disk Arrays ScsiPower Connections 1x5 Cabling 6Controller Module aDifferential Scsi terminator Scsi jumper cable Rear view R6R4 Front sequencer R1&R2 Rear sequencer L1&L2 7Controller Module a 2x7 Cabling8Controller Module B Controller Module a Controller Module B Front Sequencer Rear 3x15 Cabling 10Controller Module B Controller Module a11Controller Module C Scsi Connections for Controller Module a 3x15 Controller Module aScsi Connections for Controller Module B 203x15 Controller Module BScsi Connections for Controller Module C 213x15 Controller Module CConnecting to AC Power Source Power Sequencer Interconnections2x71x8 Phase a Power connections for the 1x8 cabinet are shown in Figure 28Sun StorEdge A3500 Hardware Configuration Guide September