Envoy Application Programming Manual
Table Of Contents
- What’s New in This Manual
- About This Manual
- 1 Application Programming With Envoy
- 7 ADM-2 Multipoint Supervisor Protocol
- 8 TINET Multipoint Supervisor Protocol
- 9 Burroughs Point-To-Point Protocol
- 10 Asynchronous Line Supervisor Protocol
- A ASCII Character Set
- B ASCII to EBCDIC Code Conversion
- C File-System Procedures
- D Statistics Messages
- E S-Series Changes to Envoy
- NonStop™ Himalaya S-Series Server Architecture
- G-Series Migration Considerations
- CBSENSEON and CFSENSEON Modifiers
- LEOTRESYN and NOLEOTRESYN Modifiers
- Treatment of Characters After the Termination Character
- Number of SYN Characters
- DTR Drop
- Reporting of Parity Error
- Half-Duplex Support for Asynchronous Lines
- Controller Replacement
- SYSGEN and COUP
- Unit Numbers
- FDX Line Changes
- No Support for Auto-Call Unit
- Glossary
- Index
Contents
Envoy Application Programming Manual—427159-001
iv
4. BISYNC Centralized Multipoint Supervisor
Protocol
4. BISYNC Centralized Multipoint Supervisor Protocol
Protocol Capabilities 4-1
Application Process Interface
4-2
Opening a Line
4-2
Poll and Select Addresses
4-2
Polling
4-3
ASCII and EBCDIC Line Code
4-5
Retries
4-5
Timeouts
4-6
Limited Conversational Mode
4-7
File-System Procedures
4-7
Address-List Format
4-10
Station Address
4-11
Poll List
4-11
Select List
4-12
Polling
4-13
Polling Type
4-13
Polling Interval
4-18
Poll State
4-19
Nonresponding Station List
4-21
Message Formats
4-22
Normal Text
4-23
Transparent Text
4-23
Headings
4-23
Intermediate Text Blocks
4-23
File-System Errors
4-25
Line Action by Procedure Call
4-26
READ Procedure
4-26
WRITE Procedure
4-30
WRITEREAD Procedure (Conversational Exchange)
4-33
CONTROL Procedure (Send EOT)
4-34
CONTROL Procedure (Send WACK)
4-35
CONTROL Procedure (Enable RVI)
4-35