Black Box SC120A-R2, SC121A manual Pin Number

Page 43

2 X 2 SCSI MATRIX SWITCH

Table 6-1 (continued). SCSI connector assignments for

single-ended (SE) 16-bit SCSI (wide).

Signal Name

Pin Number

Signal Name

Pin Number

 

 

 

 

Ground

15

Ground

49

 

 

 

 

Ground

16

Ground

50

 

 

 

 

TERMPWR

17

TERMPWR

51

 

 

 

 

TERMPWR

18

TERMPWR

52

 

 

 

 

Reserved

19

Reserved

53

 

 

 

 

Ground

20

Ground

54

 

 

 

 

Ground

21

-ATN

55

 

 

 

 

Ground

22

Ground

56

 

 

 

 

Ground

23

-BSY

57

 

 

 

 

Ground

24

-ACK

58

 

 

 

 

Ground

25

-RST

59

 

 

 

 

Ground

26

-MSG

60

 

 

 

 

Ground

27

-SEL

61

 

 

 

 

Ground

28

-C/D

62

 

 

 

 

Ground

29

-REQ

63

 

 

 

 

Ground

30

-I/O

64

 

 

 

 

Ground

31

-DB8

65

 

 

 

 

 

 

 

 

42

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Page 42 Page 44
Contents
2 Scsi Matrix Switch European Union Declaration of Conformity 2 Scsi Matrix Switch NOM Statement Trademarks Used in this Manual Contents 2 Scsi Matrix Switch Differential DE Scsi SC121A Only SpecificationsScsi Interface Single-Ended SE Scsi SC120A-R2 OnlyAgency Approvals Low-Voltage Differential LVD Scsi SC120A-R2 OnlySerial Interface LAN PortPhysical Features About the Scsi SwitchIntroduction Introduction Technical DescriptionGeneral Hardware Description SC121A block diagram Typical switch installation What’s Included InstallationSwitch Placement Power Equipment OffRS-232 Serial Port Cabling Scsi Interface CablingEthernet LAN Port Cabling AC Power Switch Operator Controls and IndicatorsLCD Display, Keypad, and Indicators LCD Display Control Menus Display Ports SET Temp Limit Scsi Switch Default Configuration Scsi Switch Port ConfigurationScsi Cable Interface Requirements Configuration and OperationInternal Terminator Selection Termination configuration SC120A-R2 termination example Selecting External Terminator Power Selecting Internal Terminator PowerSerial-Port Pinout Signal Description DB9 Pin DB25 PinLAN/Serial-Port Commands Command Cmd Example Command String Response Expanded List of Commands Configuration and Operation Set Temperature Limit Graphical User Interface GUI Ascii Character Reference for Scsi Switch Box SelectionTypical Application Connecting Multiple Scsi SwitchesNetwork Control of Scsi Switch Apconcfg Utility Apconcmd Utility Scsi Basics Scsi Technical InformationScsi Technical Information Scsi Installation TipsScsi Interface Signal Descriptions Signal Name Pin Number Scsi connector assignments for Scsi connector assignments for Differential 16-bit Scsi wide Low-voltage differential LVD 16-bit Scsi wide +BSY +ACK +RST +MSG Signal Name Pin Number HVD LVD Scsi Switch component placement Calling Black Box TroubleshootingShipping and Packaging Legal Information Copyright 2002. Black Box Corporation. All rights reserved
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