HP Advanced Communications Controllers (ACC) manual Select Word, T200 Res T200 Val N200

Page 48

Protocol Specific Configuration

Poll/Select/Option Configuration Values

Select Word

15

14

13

12

11

10

9

8

7

6

5

4

3

2

 

1

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T200 Res

T200 Val (I-63)

 

 

 

K (0-7)

 

N200 (1-31)

 

 

 

 

 

 

 

 

 

 

T200 Val

This is the value of the T200 Acknowledgment timer divided by

 

 

 

two. The valid range for this field is 1 to 63 which translates to

 

 

 

T200 timer values of 2 to 126. 0 is not allowed and is an error. The

 

 

units of this timer are given by the T200 Res (resolution) field (see

 

 

 

below). Before configuring T200, you should read the description

 

 

 

of timer configuration at the beginning of this section.

 

 

 

 

 

T200 Res

Resolution of T200 Val above. The values correspond as follows:

 

 

 

0

= 10 milliseconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

= 100 milliseconds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

= 1 second

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

= 10 seconds

 

 

 

 

 

 

 

 

 

 

 

 

 

KLevel 2 window size, values 1 to 7. Note that if 0 supplied, the LargeK value in the first option word is used. It is an error if both K and LargeK are 0.

N200 Number of retransmissions, values 1 to 31. Note that 0 is not allowed and is an error.

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Chapter 4

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Contents ACC HDLC/LAP-D Protocol User’s Guide EditionPage Legal Notices Page Preface Publishing History Software Installation and Verification describes OrganizationRelated Documentation Hardware ManualsSoftware Manuals Contents Sample Configuration Files Overview Product Features IntroductionSupported Devices References References Software Installation Software Installation and Verification Software Removal Software Installation Running SwinstallProduct Identification Installation Verification Using the HDLC/LAP-D Protocol ModuleVerification Procedure Bring up the Zcom subsystem DTE Received data can now be displayed Installation Verification Using HDLC/LAP-D Protocol Using HDLC/LAP-D Protocol General Protocol Processing Application Message HeadersUnnumbered Information Frames Timeout Processing Terminal Enable/Disable Requests Request Specific ProcessingTerminal Activate/Deactivate Requests Write Transmit RequestsControl Requests Received Data Status and Error Messages Terminal Request Status CodesIoalrdyenbl Terminal already enabled Unsolicited Status MessagesThis status message is generated in response to a Protocol received a Disconnected Mode response Write Completion Status Codes Control Write Completion Status CodesRead Completion Status Codes Status and Error Messages Protocol Specific Configuration Interface-Definition Port-DefinitionSubchannel-Definition Terminal-Definition HDLCDTE400MSTerminal-Definition Application and can be set to any value desired. They Predefined Configuration Values Poll/Select/Option Configuration Values TEIVal Res Minimum Maximum Timeout Poll WordSelect Word T200 Res T200 Val N200First Option Word IUFSecond Option Word Sapi TEISample Configuration Files Sample Network Configuration File Appendix a Sample Network Configuration File
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