Protocol Specific Configuration

Poll/Select/Option Configuration ValuesPoll/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