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
v
4. BISYNC Centralized Multipoint Supervisor
Protocol (continued)
4. BISYNC Centralized Multipoint Supervisor Protocol (continued)
CONTROL Procedure (Send TTD) 4-35
Line-Error Handling
4-36
Initial READ Operation
4-36
Continuation READ Operation
4-39
Initial WRITE Operation
4-41
Continuation WRITE Operation
4-43
Programming Examples
4-44
5. BISYNC Multipoint Tributary Protocol
Protocol Capabilities 5-1
Application Process Interface
5-2
Opening a Line
5-2
Station Addresses
5-2
ASCII and EBCDIC Line Code
5-6
Retries
5-6
Timeouts
5-7
Limited Conversational Mode
5-7
File-System Procedures
5-8
Address-List Format
5-11
Station address
5-12
Poll List
5-12
Select List
5-12
Poll and Select States
5-14
Message Formats
5-15
Normal Text
5-17
Transparent Text
5-17
Headings
5-17
Intermediate Text Blocking
5-17
Normal Text With ITBs
5-18
Transparent Text With ITBs
5-18
File-System Errors
5-19
Line Action by Procedure Call
5-20
READ Procedure
5-20