Document Outline

• TITLE
• 1 THE UNILINK HOST ADAPTER
  • 1.1 INTRODUCTION
  • 1.2 FEATURES
  • 1.3 TYPICAL NETWORK APPLICATIONS
  • 1.4 TIWAY I SYSTEM CHARACTERISTICS
  • 1.5 INSTALLATION
  • 1.6 TECHNICAL ASSISTANCE
  • 1.7 CUSTOMER SERVICE CENTER
• 2 OPERATION AND APPLICATION
  • 2.1 INTRODUCTION
  • 2.2 COMMAND PROCESSING
  • 2.3 FUNCTIONAL ORGANIZATION AND OPERATING MODES
    • 2.3.1 Host Interface Unit Function
    • 2.3.2 Network Manager Function
    • 2.3.3 The Master Host Interface Unit Mode
    • 2.3.4 Typical Network Applications
    • 2.3.5 The Emulate Host Adapter Modes
    • 2.3.6 The Standalone Network Manager Mode
  • 2.4 TIWAY I HOST SOFTWARE SUPPORT
  • 2.5 SETTING THE OPERATING MODE
    • 2.5.1 Configuration Defaults and Dipswitch Settings
    • 2.5.2 The CONFIGURE ADAPTER Command
    • 2.5.3 The CONFIGURE HIU Command
    • 2.5.4 The CONFIGURE NETWORK MANAGER Command
    • 2.5.5 Configuring the Standalone Network Manager
    • 2.5.6 Configuration Summary
  • 2.6 SPECIAL NETWORK MANAGER FEATURES
    • 2.6.1 Redundant Media Channels
    • 2.6.2 Background Monitor
  • 2.7 THE HIU AS A SECONDARY
    • 2.7.1 Primitive 02 Response
    • 2.7.2 Primitive 03 Response
    • 2.7.3 Primitive 04 Response
  • 2.8 MODE INDEPENDENT OPERATIONS
    • 2.8.1 Reset Commands
    • 2.8.2 The External Input/Output Points
      • 2.8.2.1 The External Input Point
      • 2.8.2.2 The External Output Point
  • 2.9 BASIC NETWORK OPERATIONS
    • 2.9.1 Bringing Secondary Devices Online
    • 2.9.2 Sending Data To And From Secondary Devices
    • 2.9.3 Retrieving Secondary Statistics
    • 2.9.4 Taking Secondary Devices Off-line
    • 2.9.5 Retrieving Adapter Statistics
  • 2.10 EXTENDED NETWORK OPERATIONS
    • 2.10.1 What Are Macros?
      • 2.10.1.1 Configuration Modes Supporting Macros
      • 2.10.1.2 Repetitive and Non-Repetitive Macros
    • 2.10.2 The Parts of a Macro
    • 2.10.3 The Macro Commands
    • 2.10.4 Setting Up A Macro
      • 2.10.4.1 Allocate A Source Identification Number
      • 2.10.4.2 Allocate The Macro Buffers
      • 2.10.4.3 Define The Macro
    • 2.10.5 Checking The Macro Response and Macro Status
    • 2.10.6 Enabling and Disabling Macros
    • 2.10.7 Initializing the Macro Response Buffer
    • 2.10.8 Checking Memory Usage
    • 2.10.9 Linking Macros
    • 2.10.10 Network Performance
      • 2.10.10.1 Network Bandwidth
      • 2.10.10.2 NM Buffer Allocation
      • 2.10.10.3 Adjusting An HIUs Bandwidth
      • 2.10.10.4 Performance Statistics
• 3 CONFIGURING THE HOST COMPUTER PORT
  • 3.1 THE HOST COMPUTER INTERFACE
  • 3.2 RS-232-C/RS-423-A PHYSICAL INTERFACE
    • 3.2.1 Connection to DCE Equipment
    • 3.2.2 Connection to DTE Equipment
    • 3.2.3 Multidrop Host Interface Circuit
    • 3.2.4 XON/XOFF Flow Control
  • 3.3 HOST PORT COMMUNICATIONS
    • 3.3.1 Choosing a Host Protocol
  • 3.4 HOST COMMAND TIMEOUT
• 4 THE TIWAY I NETWORK PORTS
  • 4.1 NETWORK PORTS
    • 4.1.1 Local Line Interface
    • 4.1.2 Modem Interface
    • 4.1.3 Runaway Transmitter Recovery
  • 4.2 REDUNDANT MEDIA TRANSMISSION
  • 4.3 TIWAY I HDLC NETWORK PROTOCOL
  • 4.4 SETTING THE NETWORK PORTS PARAMETERS
• 5 HOST COMMAND SET REFERENCE
  • 5.1 INTRODUCTION
    • 5.1.1 Command Syntax Conventions
    • 5.1.2 Usage Description
    • 5.1.3 Secondary Addresses
    • 5.1.4 Active Command Codes In Each Mode
  • 5.2 ERROR RESPONSE
  • 5.3 BASE HIU COMMANDS
    • 5.3.1 Send Network Data -- 01
    • 5.3.2 Broadcast Network Data Transfer -- 02
    • 5.3.3 Poll Secondary -- 03
    • 5.3.4 Connect Secondaries -- 04
    • 5.3.5 Disconnect Secondaries -- 05
    • 5.3.6 Read Secondary Log -- 06
    • 5.3.7 Read Secondary Diagnostics -- 07
    • 5.3.8 Read Adapter Diagnostics -- 08
  • 5.4 THE EXTENDED HIU COMMANDS
    • 5.4.1 Allocate Source Id -- 10
    • 5.4.2 Configure HIU Command -- 11
    • 5.4.3 Report HIU Configuration -- 12
    • 5.4.4 Allocate Macro Storage Buffers -- 13
    • 5.4.5 Define Macro -- 14
    • 5.4.6 Gather Macro Response -- 15
    • 5.4.7 Enable/Disable Macro Execution -- 16
    • 5.4.8 Initialize Macro Response Buffer -- 17
    • 5.4.9 Report Memory Usage -- 18
    • 5.4.10 Allocate HIU Bandwidth -- 19
    • 5.4.11 Report HIU Bandwidth Allocation -- 1A
    • 5.4.12 Report HIU Status -- 1B
    • 5.4.13 Link Macro -- 1C
  • 5.5 ADAPTER CONFIGURATION COMMANDS
    • 5.5.1 Configure Adapter û 20
    • 5.5.2 Report Adapter Configuration û 21
  • 5.6 NETWORK MANAGER COMMANDS
    • 5.6.1 Configure Network Manager -- 30
    • 5.6.2 Report Network Manager Configuration -- 31
    • 5.6.3 Report Secondary Link Status -- 32
    • 5.6.4 Switch Channel -- 33
    • 5.6.5 Allocate Network Manager Buffers -- 34
    • 5.6.6 Report Network Manager Buffers Available -- 35
    • 5.6.7 Report Network Bandwidth Allocation -- 36
    • 5.6.8 Report Network Manager Secondary Statistics -- 37
    • 5.6.9 Report Network Manager Network Statistics -- 38
  • 5.7 MODE INDEPENDENT COMMANDS
    • 5.7.1 Modify External Output Status -- FC
    • 5.7.2 Report External Input Status -- FD
    • 5.7.3 Soft Reset Command -- FE
    • 5.7.4 Reset Adapter -- FF
  • 5.8 COMMAND SYNTAX QUICK REFERENCE
  • 5.9 COMMAND CODES REFERENCE (NUMERICAL ORDER)
  • 5.10 COMMAND CODES REFERENCE (BY FUNCTION)
• 6 ERROR CODES AND DIAGNOSTICS
  • 6.1 ERROR RESPONSE CODES
  • 6.2 PRIMITIVE ERRORS
  • 6.3 MRSW TERMINATION CODES
  • 6.4 DIAGNOSTIC TESTS
    • 6.4.1 The LEDs
    • 6.4.2 Performing Diagnostic Tests
    • 6.4.3 LED Error Codes
    • 6.4.4 External I/O Loopback Test
• A USING THE NON-INTELLIGENT TERMINAL PROTOCOL
  • A.1 CHARACTERISTICS OF THE NONúINTELLIGENT TERMINAL PROTOCOL
    • A.1.1 NITP Character Set
    • A.1.2 Message Delimiters
    • A.1.3 Character Count
    • A.1.4 Message Body
    • A.1.5 Error- Checking Code
  • A.2 NITP Protocol Operation
    • A.2.1 Errors and Error Recovery
    • A.2.2 Response Timeouts
• B USING THE BDLC PROTOCOL
  • B.1 BDLC CONFIGURATION
  • B.2 BDLC PROTOCOL FRAME STRUCTURE
    • B.2.1 Flag Fields -- DLE-STX, DLE-ETX
    • B.2.2 Address Field
    • B.2.3 Control Field
    • B.2.4 Information Field
    • B.2.5 Block Checksum Field
  • B.3 BDLC PROTOCOL CONTROL FIELD STRUCTURES
  • B.4 COMMANDS AND RESPONSES
  • B.5 ERRORS AND ERROR RECOVERY
    • B.5.1 Busy Condition
    • B.5.2 N(S) Sequence Error
    • B.5.3 N(R) Sequence Errors
    • B.5.4 BCS Error
    • B.5.5 Timeout Errors
    • B.5.6 RR and REJ Recovery
    • B.5.7 FRMR Recovery
  • B.6 ILLUSTRATIVE BDLC SEQUENCES
  • B.7 BLOCK CHECKSUM GENERATION AND CHECKING
• C NOT AVAILABLE IN ELECTRONIC FORM
• D NOT AVAILABLE IN ELECTRONIC FORM
• E CONFIGURATION WORKSHEET
• F MACRO DEFINITIONS FORM