CHAPTER 3 INTERFACE
B-EP
Series
3-41
Application layer
IrComm
Tiny TP
IrLMP
IrLAP
IrDA-SIR
3.3
IrDA (IrCOMM) INTERFACE
The protocol for IrComm specifications is provided.
parts are required.
Item Specifications
Communication mode
Physical layer conforming to IrDA-SIR V1.2 (Low
Power) standard
Transfer speed
9600, 19200, 38400, 57600, 115200 bps
*1
Communication distance
within 0.2 m
*2
Peak wave length of
emitted light
850 to 900 nm
Communication angle
within ±15°
Ambient illuminance
1000 lx or less
(fluorescent lamp and incandescent lamp)
Emissive power
Min 3.6 mW/Sr
(
θ
h,
θ
v
≤
±15°)
Min. photo sensibility
Min 9 µW/cm
2
(
θ
h,
θ
v
≤
±15°)
*1: Values are dependent on the communication protocol settings.
*2: The communication distance may become shorter than 0.2 m, depending on the host’s
performance.
Device nickname:
2-inch/203-dpi model ......... B-EP2DL-G
4-inch/203-dpi
model
.........
B-EP4DL-G
Service name (Class name):
IrDA: IrCOMM
Min. turnaround time:
1 msec
Link termination threshold time: 12 sec
3.3.1
HANDLING OF RECEIVED DATA WHEN THE PRINTER GOES INTO POWER SAVE MODE
Data is left in the received buffer until reception is stopped and a timeout occurs (power save
mode) because the received buffer has not been initialized.
IrDA V1.2 (Low Power) standard
