Specifications

3-5
3.3 INFRARED INTERFACE SPECIFICATIONS
The printer can communicate with the host device through the infrared interface.
The infrared interface used in the printer conforms to the physical layer standard (Ver 1.2) specified by the
Infrared Data Association (IrDA).
The printer supports the minimum infrared transmission functions as the second station specified by IrDA
and BHT-Ir protocol specified by DENSO CORPORATION.
3.3.1 Physical Specifications
Item Specification
Transmission distance 0.2m max.
Transmission range 15°
Infrared transmission pulse width Typ. 1.63 s
3.3.2 IrDA Specifications
The printer conforms to IrDA Ver.1.2 and supports only the minimum infrared transmission functions as the
second station.
(1) Transmission specifications
Item Specification
Baud Rate 9600 to 115200 bps
Data Size 64 to 512 bytes
Window Size 1
Additional BOFs 0 to 48
Maximum Turn Around Time 500ms
Minimum Turn Around Time 10ms
Link Disconnect/Threshold Time 3 to 40 s
(2) Services supported by IrLAP
1. Connect service
2. Data service
3. Disconnect service
IrLAP does not support a transfer for non-number and sniffing services.
The printer does not initiate connections.
Service Hint Printer, IrCOMM
Device Nickname DPU-S445