Black Box SW487A-R2 manual Signal Connector Name

Page 44

CHAPTER 6: SCSI Technical Information

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

differential 16-bit SCSI (wide).

Signal

Connector

Signal

Connector

Name

Pin Number

Name

Pin Number

+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

 

 

 

 

+I/O

29

-I/O

63

 

 

 

 

GROUND

30

GROUND

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

 

 

 

 

Table 6-3. SCSI connector assignments for

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

Signal

Connector

Signal

Connector

Name

Pin Number

Name

Pin Number

+DB(12)

1

-DB(12)

35

+DB(13)

2

-DB(13)

36

 

 

 

 

+DB(14)

3

-DB(14)

37

 

 

 

 

+DB(15)

4

-DB(15)

38

 

 

 

 

+DB(P1)

5

-DB(P1)

39

 

 

 

 

+DB(0)

6

-DB(0)

40

 

 

 

 

+DB(1)

7

-DB(1)

41

 

 

 

 

+DB(2)

8

-DB(2)

42

 

 

 

 

+DB(3)

9

-DB(3)

43

 

 

 

 

+DB(4)

10

-DB(4)

44

 

 

 

 

+DB(5)

11

-DB(5)

45

 

 

 

 

+DB(6)

12

-DB(6)

46

 

 

 

 

+DB(7)

13

-DB(7)

47

 

 

 

 

43

Image 44
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 Specifications Scsi InterfaceSingle-Ended SE Scsi SW487A-R2 Only Differential DE Scsi SW485A OnlyLow-Voltage Differential LVD Scsi SW487A-R2 Only Serial InterfaceLAN Port Agency ApprovalsPhysical Introduction About the Scsi SwitchFeatures Technical Description IntroductionGeneral Hardware Description Electronic Scsi Switch block diagram Typical switch installation Installation Switch PlacementPower Equipment Off What’s IncludedEthernet LAN Port Cabling Scsi Interface CablingRS-232 Serial Port Cabling LCD Display, Keypad, and Indicators Operator Controls and IndicatorsAC Power Switch Indicators LCD Display Control Menus SET Serial Ports Display BUS Activity Scsi Switch Port Configuration Scsi Switch Default ConfigurationInternal Terminator Selection Configuration and OperationScsi Cable Interface Requirements Selecting Internal Terminator Power Selecting External Terminator PowerSignal Description DB9 Pin DB25 Pin Serial-Port PinoutLAN/Serial-Port Commands Command Cmd Example Command String Response Expanded List of Commands 4 Electronic Scsi Switch Set Temperature Limit Ascii Character Reference for Scsi Switch Box Selection Graphical User Interface GUIConnecting Multiple Scsi Switches Rackmount InstallationTypical Applications Sample applicationsNetwork Control of Scsi Switch Apconcfg Utility Apconcmd Utility Scsi Technical Information Scsi BasicsScsi Installation Tips Scsi Technical InformationScsi Interface Signal Descriptions Signal Name Signal Signal Connector Name Name Pin Number HVD LVD Scsi Switch component placement Shipping and Packaging TroubleshootingCalling Black Box Disclaimers and Notices Copyright 2002. Black Box Corporation. All rights reserved