Sun Adapter for TCP/IP HL7 User's Guide

Lower Layer Protocol — TCP/IP HL7 V2 Outbound Adapter

The following table lists and describes the properties that appear on the Lower Layer Protocol page of the Properties Editor accessed from the Connectivity Map. These properties define the Lower Layer Protocol (LLP) configuration.

Table 21 Connectivity Map - Lower Layer Protocol

Name 

Description 

LLP Type

MLLP is the configured default value.

The lower layer protocol (LLP) type. Select one of the following options: 

  • MLLP (Minimal Lower Layer Protocol)

  • HLLP (Hybrid Lower Layer Protocol)

  • MLLP v2.0 (Minimal Lower Layer Protocol v2.0)

For more information on the available envelope types, see Lower Layer Protocol.

Start Block Character

The first envelope marker character in the HL7 envelope, as a decimal ASCII number. Enter a number from 1 to 127. Unless there is a conflict, the value should be ASCII VT (decimal 11). 

End Data Character

The second to the last envelope marker character in the HL7 envelope, as a decimal ASCII number. Enter a number from 1 to 127. Unless there is a conflict, the value should be ASCII FS (decimal 28). 

End Block Character

The last envelope marker character in the HL7 envelope, as a decimal ASCII number. Enter a number from 1 to 127. To strictly comply with the HL7 Standard, this property must be set to a carriage return (decimal 13). 

HLLP Checksum Enabled

An indicator of whether the HLLP Checksum is enabled or disabled. 

Select true to enable checksum values; otherwise select false.

Max Number of Retries

The maximum number of times the adapter tries to send a message upon receiving the MLLP v2.0 Negative Commit Acknowledgement from the peer before giving up. This property is used by the adapter in outbound mode. Enter any integer.