Black Box SC120A-R2, SC121A manual Scsi connector assignments for Differential 16-bit Scsi wide

Page 45

2 X 2 SCSI MATRIX SWITCH

Table 6-2 (continued). SCSI connector assignments for

differential 16-bit SCSI (wide).

Signal Name

Pin Number

Signal Name

Pin Number

 

 

 

 

+DB(5)

12

-DB(5)

46

 

 

 

 

+DB(6)

13

-DB(6)

47

 

 

 

 

+DB(7)

14

-DB(7)

48

 

 

 

 

+DB(P)

15

-DB(P)

49

 

 

 

 

DIFFSENS

16

Ground

50

 

 

 

 

TERMPWR

17

TERMPWR

51

 

 

 

 

TERMPWR

18

TERMPWR

52

 

 

 

 

Reserved

19

Reserved

53

 

 

 

 

+ATN

20

-ATN

54

 

 

 

 

Ground

21

Ground

55

 

 

 

 

+BSY

22

-BSY

56

 

 

 

 

+ACK

23

-ACK

57

 

 

 

 

+RST

24

-RST

58

 

 

 

 

+MSG

25

-MSG

59

 

 

 

 

+SEL

26

-SEL

60

 

 

 

 

+C/D

27

-C/D

61

 

 

 

 

+REQ

28

-REQ

62

 

 

 

 

 

 

 

 

44

Image 45 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 Scsi Interface SpecificationsSingle-Ended SE Scsi SC120A-R2 Only Differential DE Scsi SC121A OnlySerial Interface Low-Voltage Differential LVD Scsi SC120A-R2 OnlyLAN Port Agency ApprovalsPhysical About the Scsi Switch FeaturesIntroduction Introduction Technical DescriptionGeneral Hardware Description SC121A block diagram Typical switch installation Switch Placement InstallationPower Equipment Off What’s IncludedScsi Interface Cabling RS-232 Serial Port CablingEthernet LAN Port Cabling Operator Controls and Indicators AC Power SwitchLCD Display, Keypad, and Indicators LCD Display Control Menus Display Ports SET Temp Limit Scsi Switch Default Configuration Scsi Switch Port ConfigurationConfiguration and Operation Scsi Cable Interface RequirementsInternal 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 Tips Scsi 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 Troubleshooting Calling Black BoxShipping and Packaging Legal Information Copyright 2002. Black Box Corporation. All rights reserved