Specifications

3-6
(3) Services supported by IrLMP
1. Connect service
2. Disconnect service
3. Data service
A single LSAP address does not support multiple connections. furthermore, LSAP address 7 and 9 can
not share the connection state. If multiple connections are requested, a disconnect request is
transmitted and the printer waits until it receives a disconnect command.
IAS server: LSAP address 0
IAS client: Not supported
Printer application: LSAP address 7 (3-wireraw/IrLPT) and address 9 (3-wire/9-wire)
(4) IAS service
IAS service is supported by 'GetValueByClass' only.
Return values for GetValueByClass inquiries are listed below.
1.
4.
Inquiry Inquiry
Class Device Class IrLPT
Attribute Device Name Attribute IrDA:IrLMP:LsapSel
Return value Return value
Device Name Sll Thermal Printer Lsap address 7
2. 5.
Inquiry
Class IrDA:IrCOMM Class IrDA:IrLMP
Attribute Parameters Attribute IrDA:IrLMP:LsapSel
Return value Return value
Service type 3-Wireraw Lsap address 7
Port type Serial
3 6.
Inquiry Inquiry
Class IrDA:IrCOMM Class IrDA:IrCOMM
Attribute IrDA:IrLMP:LsapSel Attribute IrDA:TinyTP:LsapSel
Return value Return value
Lsap address 7 Lsap address 9
(5) TinyTP
Flow control is performed by this layer when connecting with 3-Wire or 9-Wire.
'5' is transferred to the primary station as the initial credit when connecting the LMP layer.