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4.3
4.4
Siemens AG
ICM CP
IrDA interface
Via the IrDA interface, the SIMpad SL4 can communicate with an IrDA peripheral
(external keyboard, mouse, printer, mobile telephone). The IR diodes of the two
devices must be in visual contact and not more than 0.3m apart. The SIMpad SL4
supports the SIR standard (Serial Infrared), with a transmission rate of about 115kbps.
Mobile telephones with the Siemens IrDA interface (S25, S35) and those of the most
important manufacturers with such an IrDA interface can communicate with the
SIMpad SL4. However, they also require an integrated modem. Between the SIMpad
SL4 and the mobile telephone, only a pure data transmission connection can be set
up, for dialling to an ISP or another server. Other types of data exchange (SMS,
telephone directory entries) are not supported by software.
Printers of the most important manufacturers with an integrated IrDA interface can be
controlled. For printers without an IrDA interface, an appropriate IrDA adapter can be
connected to the parallel interface of the printer.
IrDA
Version
Transmission type
Data rate
Standard
Roaming/Handover
Range
GSM via IrDA
SmartCard
The SmartCard makes personal identification (electronic, personal key) possible, and
gives the option of encrypting and decrypting the data stream with higher-order
asymmetrical encryption. The SmartCard interface is provided according to the ISO
7816 (Part 1-3) standard, and includes a bi-directional data line and a clock line. No
application for using the SmartCard is offered initially.
Caution: In France a different standard called AFNOR-Standard is in use. These card
types do not work on the SIMpad smart card reader.
Pin assignment
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
V1.3
infrared
up to approx. 115kbps (for mobile telephone and
printer)
SIR (serial infrared)
No
max. 0,3m visual contact
minimal, data transmission connection only
VCC
RESET, Output
CLK, Output
NC
GND
VPP
I/O, bi-directional
NC
Technical Description
SIMpad SL4
Version V2.0
19/74
20.08.01, David Brunner
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