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SC120A-R2, SC121A manual Copyright 2002. Black Box Corporation. All rights reserved
Models:
SC121A
SC120A-R2
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Troubleshooting
Specifications
Install
SC121A block diagram
Switch Placement
Scsi Switch Port Configuration
LAN/Serial-Port Commands
Signal Name
Set Temperature Limit
AC Power Switch
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© Copyright 2002. Black Box Corporation. All rights reserved.
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15055-1018
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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
Specifications
Single-Ended SE Scsi SC120A-R2 Only
Differential DE Scsi SC121A Only
Serial Interface
Low-Voltage Differential LVD Scsi SC120A-R2 Only
LAN Port
Agency Approvals
Physical
Introduction
About the Scsi Switch
Features
Introduction
Technical Description
General Hardware Description
SC121A block diagram
Typical switch installation
Switch Placement
Installation
Power Equipment Off
What’s Included
Ethernet LAN Port Cabling
Scsi Interface Cabling
RS-232 Serial Port Cabling
LCD Display, Keypad, and Indicators
Operator Controls and Indicators
AC Power Switch
LCD Display Control Menus
Display Ports
SET Temp Limit
Scsi Switch Default Configuration
Scsi Switch Port Configuration
Internal Terminator Selection
Configuration and Operation
Scsi Cable Interface Requirements
Termination configuration
SC120A-R2 termination example
Selecting External Terminator Power
Selecting Internal Terminator Power
Serial-Port Pinout
Signal Description DB9 Pin DB25 Pin
LAN/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 Selection
Typical Application
Connecting Multiple Scsi Switches
Network Control of Scsi Switch
Apconcfg Utility
Apconcmd Utility
Scsi Basics
Scsi Technical Information
Scsi 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
Shipping and Packaging
Troubleshooting
Calling Black Box
Legal Information
Copyright 2002. Black Box Corporation. All rights reserved
