Envoy ACP/XF Application Programming Manual

Contents
EnvoyACP/XF Application Programming Manual–132179
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3. Normal Response Mode (NRM)
Protocols (continued)
3. Normal Response Mode (NRM) Protocols (continued)
Accepting Incoming Frames 3-17
Queuing I/O Requests
3-17
NRM Basic Message Transmission
3-18
Multipoint Polling
3-19
Responses to a Poll
3-19
Nonresponding Station List
3-21
Station List Format
3-21
Sending Mode-Setting Commands
3-24
Shutting Down a Data Link
3-26
SDLC and ADCCP-NRM Error Handling
3-29
Line Actions by Procedure Call
3-29
NRM READ Procedure
3-29
NRM WRITE Procedure
3-32
NRM WRITEREAD Procedure
3-33
NRM CONTROL Procedure
3-33
Pseudocode Examples
3-34
SDLC Point-to-Point Primary Station
3-34
ADCCP-NRM Point-to-Point Primary Extended
3-35
SDLC Point-to-Point Secondary
3-36
ADCCP-NRM Point-to-Point Secondary
3-37
SDLC Multipoint Supervisor
3-39
ADCCP-NRM Multipoint Supervisor
3-39
SDLC Multipoint Tributary
3-40
ADCCP-NRM Multipoint Tributary
3-42
NRM Nonswitched Point-to-Point
3-43
SDLC and ADCCP-NRM Nonswitched Multipoint Operation
3-46
4. System Procedure Call Specifics for EnvoyACP/XF
CONTROL Procedure 4-2
DEFINELIST Procedure
4-6
Station List Format
4-7
Priority Polling
4-9
Extended Addresses
4-9
READ[X] Procedure
4-10
SETMODE Procedure
4-13
WRITE[X] Procedure
4-19
A. File-System Errors
Error Recovery and Fault-Tolerant Operation A-5