Spectra T50e - Interface Cable Requirements

Appendix C—Specifications Interface Specifications
August 2017 User Guide—Spectra T50e Library
497
Interface Cable Requirements
Thetypeofcablesrequiredtoconnectthelibraryanditsdrivestothe
networkdependonthetypeofinterfacebeingused.
Interface Type Cable Requirements
FibreChannel ConnectingtheFibreChanneldrivestothehostarbitratedlooporfabric
requiresmultimodeopticalcableswithdualLCconnectors.
Dependingonthewavelength,thecablesmustcomplywiththefollowing
specificationsintheFibreChannelstandard(FC‐PI‐2):
 50micron—400‐M5‐SN‐Iclassification
 62.5micron—400‐M6‐SN‐Iclassification(notsupportedforLTO‐6orLTO‐7
drives)
SAS ConnectingtheSAStapedrivestothehostrequireaSFF‐8088SAScablerated
for6
Gb/secondthatdoesnotexceed13feet(4m).
SCSI
a,b
ConnectingaSCSIdrivetoahostSCSIbusrequiresanLVDSCSIcablethat
doesnotexceed39feet(12m)withoneofthefollowingconnectors:
 Full‐heightSCSILTO‐3tapedrivesuseUltra‐3SCSI“LVD”Fast&Wide,
68‐pinMicroDmaleconnectors.
 Half‐heightSCSILTO‐4tapedrivesuseamaleVHDCItoVHDCIconnector
oramaleVHDCItoHD68connector.
 EachSCSIdriveisshippedwithoneterminator.
 Full‐heightSCSIdrivesuseanactivewideHD68multi‐mode,Ultra320
LVD/SEterminator
 Half‐heightSCSIdrivesuseanactiveVHCDIUltra320LVD/SEterminator
Ethernet TheEthernetportontheLCMprovidestheconnectiontoa10/100BaseT
Ethernetnetworkforaccessingthelibraryusingastandardwebbrowserona
remotecomputer.
TocomplywithEMCrequirements,useshieldedCategory5(10/100BaseT
connection)data‐gradecablesorasimilarCategory5cablethatiscompliant
withEIA/TIA
568forallEthernetconnections.
a. Spectra Logic does not support operating SCSI LTO tape drives on an SE bus.
b. Using an HBA connection for each drive is recommended. Daisy-chaining LTO-4 or later generation drives is not supported.