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Compaq DWZZH-09, Руководство пользователя

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DWZZH 16-Bit UltraSCSI HUB (Rack-Mountable)

1–2

EK–SMDZS–UG. B01

 1.2

Product  Descriptions

 1.2.1  DWZZH-S5

 A DWZZH-S5 large UltraSCSI Hub (See Figure 1-1) consists of two 180W
power supplies, three bulkhead covers, a personality card cover, and a
DWZZH-05 SBB mounted within a shelf. This model is rack-mountable, in
either a horizontal or vertical position. Termination is provided by each of the
host ports. A feature of the DWZZH-S5 Hub is that it is upgradeable from a five
port Hub to a nine port Hub with the purchase of a DWZZH-09 Upgrade Kit. The
kit contains another 5.25" SBB (large) Hub (DWZZH-A5), a tri-link and 0.5m
cable, and instructions to complete the installation, and configuration for the
upgrade.

 CAUTION

 Connecting a single-ended bus cable to the
differential connector causes the SCSI bus to fail.

 Figure 1–1  DWZZH–S5

 

Содержание DWZZH-09

Страница 1: ...DWZZH 16 Bit UltraSCSI Hub Rack Mountable User s Guide EK SMDZS UG B01 Compaq Computer Corporation Houston Texas...

Страница 2: ...following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which...

Страница 3: ...2 1 2 2 Configuration Note 2 4 3 Using the 16 Bit UltraSCSI Hub 3 1 Large Hub Fair Arbitration 3 1 3 2 Large Hub Addressing Configurations 3 2 3 2 1 Narrow Addressing Setting 3 2 3 3 Front Panel 3 4...

Страница 4: ...3 4 DWZZH 09 Front Panel 3 6 3 5 DWZZH S5 SCSI Narrow ID Assignments 3 7 3 6 DWZZH S5 SCSI Narrow Addressing Jumper 3 8 4 1 DWZZH 09 Upgrade Kit Contents 4 1 4 2 Install DWZZH A5 SBB in Shelf 4 2 4 3...

Страница 5: ...l revisions of this publication and their effective dates The publication part number is included in the Revision Level column with the last entry denoting the latest revision This publication support...

Страница 6: ......

Страница 7: ...the DWZZH S5 model and up to nine on the DWZZH 09 unit Audience This guide is intended for end users and for COMPAQ employees responsible for configuring installing and maintaining the StorageWorks s...

Страница 8: ...the 0 5m cable on the DWZZH 09 Hub Chapter 3 Using the 16 Bit UltraSCSI Hub This chapter gives procedures for configuring a StorageWorks SCSI bus using a DWZZH Hub Chapter 4 Installing the DWZZH 09 U...

Страница 9: ...Compaq Web Site has information on this product as well as the latest drivers and Flash ROM images You can access the Compaq Web Site by logging on to the Internet at http www compaq com Telephone Nu...

Страница 10: ......

Страница 11: ...See Figure 1 1 DWZZH 09 A shelf contained rack mountable Hub consisting of two 5 25 SBBs large with eight host ports and one storage port all differential See Figure 1 2 1 1 UltraSCSI Hub Features Mo...

Страница 12: ...her a horizontal or vertical position Termination is provided by each of the host ports A feature of the DWZZH S5 Hub is that it is upgradeable from a five port Hub to a nine port Hub with the purchas...

Страница 13: ...A tri link attached to the DWZZH A5 portion of the Hub allows the attachment of a storage device up to 25 meters away from the Hub The Hub provides radial connectivity by allowing the user to connect...

Страница 14: ...POWER must be supplied from the remote connection to enable each Hub port Shielding Enclosure Connectors Shielded for ESD EMI and safety requirements Power Up Reset Automatically clears Initiator dete...

Страница 15: ...ial Termination for 16 bit operation Service There are no user serviceable functions on these products Contact Digital service personnel all service Agency Approvals UL CSA FCC Class B TUV Environment...

Страница 16: ......

Страница 17: ...terial and plastic bag set it in a secure place or mount in a rack 2 Remove the following parts from the shipping bag 0 5m Cable P N BN37A 0E Tri link NOTE If you do not have all of the above listed p...

Страница 18: ...e 2 2 Figure 2 2 Install Tri link and Cable in Storage Ports of SBBs SHR 1110 3 Install power cords in power supplies on unit 4 Attach the cables from your host bus adapters to their respective ports...

Страница 19: ...Chapter 2 Setting Up the DWZZH 09 EK SMDZS UG B01 2 3 Figure 2 3 A Sample Configuration...

Страница 20: ...ns that communications from a server attached to the left hand SBB to a server attached to the right hand SBB already has a 37 5 meter cable equivalent distance cost to propagate the signal through th...

Страница 21: ...pate on a single SCSI bus and to prevent lower SCSI host IDs from being starved for bus time a fair arbitration Fair ARB scheme is employed Fair ARB works by assigning SCSI ID 7 the highest priority I...

Страница 22: ...gic in the Hub to correctly identify the SCSI IDs that are participating in a fair arbitration cycle CAUTION The SCSI ID of the HOST adapter must correspond to the assigned ID of the Hub port to which...

Страница 23: ...sing the 16 Bit UltraSCSI Hub EK SMDZS UG B01 3 3 Figure 3 1 DWZZH S5 SCSI ID Assignments Controller Port SCSI ID 6 0 Host Port SCSI ID 15 Host Port SCSI ID 14 Host Port SCSI ID 13 Host Port SCSI ID 1...

Страница 24: ...CSI ID 15 Host Port SCSI ID 14 Host Port SCSI ID 13 Host Port SCSI ID 12 SHR 1106 3 3 Front Panel Figures 3 3 and 3 4 show the location of the front panel controls and indicators for the DWZZH S5 and...

Страница 25: ...er 3 Using the 16 Bit UltraSCSI Hub EK SMDZS UG B01 3 5 NOTE The black part of the switch in Figure 3 3 indicates the position of the switch Figure 3 3 DWZZH S5 Front Panel Busy Power SHR 1070 Fair Di...

Страница 26: ...er to disable the Fair ARB feature of the Hub When Fair ARB is disabled the Hub services SCSI arbitration cycles in the conventional SCSI priority order Host port SCSI ID assignments are not linked to...

Страница 27: ...ing the 16 Bit UltraSCSI Hub EK SMDZS UG B01 3 7 Figure 3 5 DWZZH S5 SCSI Narrow ID Assignments Controller Port SCSI ID 6 4 Host Port SCSI ID 3 Host Port SCSI ID 2 Host Port SCSI ID 1 Host Port SCSI I...

Страница 28: ...es are terminated at the physical ends of the bus This is true even when using a DWZZH UltraSCSI Hub DWZZH UltraSCSI Hubs are factory set to terminate the SCSI bus No user configuration of the SCSI te...

Страница 29: ...9 Upgrade Kit in a DWZZH S5 It is possible to upgrade a DWZZH S5 five port Hub to a DWZZH 09 with the purchase and installation of the DWZZH 09 Upgrade Kit This kit contains See Figure 4 1 One DWZZH A...

Страница 30: ...ZZH A5 SBB from packaging 2 Remove three bulkhead covers from the right hand side of the DWZZH S5 unit 3 Slide the DWZZH A5 SBB into the right hand slots in shelf where covers were just removed See Fi...

Страница 31: ...SHR 1109 2 Install and secure tri link in storage port of right hand SBB Then install and secure the opposite end of the cable in the storage port of the left hand SBB Figure 4 4 Figure 4 4 Install Tr...

Страница 32: ......

Страница 33: ...e SWCC Client machine This could be a potential problem as the Client would see multiple HSZ 70 subsystems when in fact only one exists but is being displayed multiple times NOTE If you have multiple...

Страница 34: ...r it does not prevent SWCC from performing tasks on those disks In other words if you set up the SWCC client to have configuration capability see SWCC documentation then you can access everything in t...

Страница 35: ...e Figures A 1 and A 2 Table A 1 Removable Parts of the DWZZH S5 Part Number Description DS DWZZH 05 UltraSCSI Hub Assy 0SE 5 Diff Ports DS BA35X HH Power Supply 180W 5V 12V DS BA356 SG 16 Bit Shelf As...

Страница 36: ...DWZZH 16 Bit UltraSCSI Hub Rack Mountable A 2 EK SMDZS UG B01 Figure A 1 Removable Parts of the DWZZH S5 SHR 1111 Figure A 2 Removable Parts of the DWZZH 09 SHR 1112...

Страница 37: ...typically differ by the type of interface to the host and provide functions beyond what the devices support differential SCSI bus A signal s level is determined by the potential difference between two...

Страница 38: ...s only power supply and storage SBBs SCSI Small Computer System Interface This ANSI interface defines the physical and electrical parameters of a parallel I O bus used to connect computers and devices...

Страница 39: ...ein to form level enclosures to house the shelves Standard mounting devices for SBBs are also included StorageWorks building block See SBB target A SCSI device that performs an operation requested by...

Страница 40: ......

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