Black Box SW487A-R2 manual Name Pin Number

Page 45

6 x 4 ELECTRONIC SCSI SWITCH

Table 6-3 (continued). SCSI connector assignments for

low-voltage differential (LVD) 16-bit SCSI (wide).

Signal

Connector

Signal

Connector

Name

Pin Number

Name

Pin Number

+DB(P)

14

-DB(P)

48

 

 

 

 

GROUND

15

GROUND

49

 

 

 

 

DIFFSENS

16

GROUND

50

TERMPWR

17

TERMPWR

51

TERMPWR

18

TERMPWR

52

 

 

 

 

RESERVED

19

RESERVED

53

 

 

 

 

GROUND

20

GROUND

54

 

 

 

 

+ATN

21

-ATN

55

 

 

 

 

GROUND

22

GROUND

56

 

 

 

 

+BSY

23

-BSY

57

 

 

 

 

+ACK

24

-ACK

58

+RST

25

-RST

59

+MSG

26

-MSG

60

 

 

 

 

+SEL

27

-SEL

61

 

 

 

 

+C/D

28

-C/D

62

+REQ

29

-REQ

63

 

 

 

 

+I/O

30

-I/O

64

+DB(8)

31

-DB(8)

65

 

 

 

 

+DB(9)

32

-DB(9)

66

 

 

 

 

+DB(10)

33

-DB(10)

67

 

 

 

 

+DB(11)

34

-DB(11)

68

 

 

 

 

44

Image 45
Contents 4 Electronic Scsi Switch RADIO-FREQUENCY Interference Statements 4 Electronic Scsi Switch NOM Statement Trademarks Used in this Manual Contents 4 Electronic Scsi Switch Scsi Interface SpecificationsSingle-Ended SE Scsi SW487A-R2 Only Differential DE Scsi SW485A OnlySerial Interface Low-Voltage Differential LVD Scsi SW487A-R2 OnlyLAN Port Agency ApprovalsPhysical About the Scsi Switch FeaturesIntroduction Introduction Technical DescriptionGeneral Hardware Description Electronic Scsi Switch 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 Indicators LCD Display Control Menus SET Serial Ports Display BUS Activity Scsi Switch Default Configuration Scsi Switch Port ConfigurationConfiguration and Operation Scsi Cable Interface RequirementsInternal Terminator Selection 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 4 Electronic Scsi Switch Set Temperature Limit Graphical User Interface GUI Ascii Character Reference for Scsi Switch Box SelectionRackmount Installation Connecting Multiple Scsi SwitchesSample applications Typical ApplicationsNetwork Control of Scsi Switch Apconcfg Utility Apconcmd Utility Scsi Basics Scsi Technical InformationScsi Technical Information Scsi Installation TipsScsi Interface Signal Descriptions Signal Name Signal Signal Connector Name Name Pin Number HVD LVD Scsi Switch component placement Troubleshooting Calling Black BoxShipping and Packaging Disclaimers and Notices Copyright 2002. Black Box Corporation. All rights reserved