Protogate Freeway 3600 Guide de l'utilisateur télécharger pdf (Page 4)

4 DC 900-1340I

BSC Programmer’s Guide

2.1.4 Messages and Transmission Blocks................... 35

2.1.5 BSC 3270 Product Features....................... 35

2.2 BSC 3270 Access Modes . . ......................... 35

2.3 BSC 2780/3780 Protocol Implementation ................. 38

2.3.1 BSC 2780 Protocol . . ......................... 38

2.3.2 BSC 3780 Protocol . . ......................... 39

2.3.3 Transmission Codes........................... 40

2.3.4 Messages and Transmission Blocks................... 40

2.3.5 BSC 2780/3780 Product Features. ................... 41

2.4 BSC 2780/3780 Access Modes ........................ 42

3 BSC 3270 DLI Functions 45

3.1 Summary of DLI Concepts......................... 46

3.1.1 Configuration in the Freeway Environment.............. 46

3.1.2 Normal versus Raw Operation..................... 47

3.1.3 Blocking versus Non-blocking I/O................... 48

3.1.4 Buffer Management........................... 49

3.2 Example BSC 3270 Call Sequences . . ................... 50

3.3 Overview of DLI Functions for BSC 3270 ................. 52

3.3.1 DLI Optional Arguments........................ 54

3.4 Overview of BSC 3270 Requests using dlWrite . . . ............ 55

3.4.1 Commands using Raw dlWrite..................... 57

3.4.1.1 Set Translation Table Command................. 57

3.4.1.2 Clear Statistics Command.................... 57

3.4.1.3 Set ICP Message Buffer Size Command............. 58

3.4.1.4 Configure Link Command.................... 59

3.4.1.5 Start Link Command....................... 60

3.4.1.6 Stop Link Command....................... 61

3.4.1.7 BSC 3270 Set Poll List Command ................ 62

3.4.1.8 Safe Store Acknowledge Command............... 64

3.4.1.9 BSC 3270 Specific Poll Command ................ 66

3.4.1.10 Send EOT Command....................... 67

3.4.1.11 Create Virtual 3270 Devices Command . ............ 67

3.4.1.12 Change Virtual 3270 Device Status Command . . . ...... 69

3.4.2 Information Requests using Raw dlWrite............... 71

3.4.2.1 Request Buffer Report...................... 71

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Protogate Freeway 3600 Guide de l'utilisateur Page 4