HP Advanced Communications Controllers (ACC) manual Poll/Select/Option Configuration Values, Tei

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Protocol Specific Configuration

Poll/Select/Option Configuration Values

Poll/Select/Option Configuration Values

The following parameters for configurable for HDLC/LAP-D links:

SAPI

The Service Access Point Identifier

TEI

The Terminal Endpoint Identifier

U/N

Operating mode - User or Network side

K

Number of outstanding I frames

N200

Number of retransmissions allowed

N201

Largest I-field allowed (in bytes)

T200

Acknowledgment Timer

T203

Idle line Timer

UI

Unnumbered Information terminal

T200 and T203 are configured by selecting a value (Val) and a resolution (Res). Val can range from 1 to 31 and Res selects either 10 msec, 100 msec, 1 sec or 10 sec resolution. For a given Val and Res, the configured value is (2*Val Res). The actual timeout period however, may occur up to one Res before the configured value. The following table shows the minimum and maximum timeouts for various combinations of Res and Val.

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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 OrganizationHardware Manuals Related DocumentationSoftware Manuals Contents Sample Configuration Files Overview Introduction Product FeaturesSupported Devices References References Software Installation Software Installation and Verification Software Removal Software Installation Running SwinstallProduct Identification Using the HDLC/LAP-D Protocol Module Installation VerificationVerification 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 Application Message Headers General Protocol ProcessingUnnumbered Information Frames Timeout Processing Terminal Activate/Deactivate Requests Terminal Enable/Disable RequestsRequest Specific Processing 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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