Filter
Top Products
White Paper T310/T312
25 January 2003
• GSM Subscriber Identification
• Ericsson Specific AT Commands for GSM
• MMI Settings
• ObEx
• WAP Browser
Infrared transceiver
Infrared communication creates a data link
between two communications devices through an
infrared beam of light. On the T310/T312, this link
is used to connect with desktop computers, PDAs,
Sony Ericsson handheld computers, laptop PCs,
other phones (for example, the T68i), and other
hardware supporting the standard. The Infrared
Data Association (IrDA) has set the hardware and
software standards that form the infrared
communication links. The T310/T312 complies with
the IrMC 1.1 specification, which defines how
mobile telephony and communication devices can
exchange information. Key benefits of using the
T310/T312 with its built-in infrared transceiver:
• True wireless communication
• Low power consumption
• Ability to send and receive e-mail and data on
the connected PC/PDA
• Ability to connect to the Internet or intranet/LAN
from the connected PC/PDA
• Ability to manage the phone book from a PC
• Exchange of business cards with vCard
compatible devices
• Exchange of ring signals between compatible
phones
• Ability to attach a photo from a digital camera in
outgoing e-mail
Connection via infrared
IrDA is a point-to-point communication link
between two infrared ports. The infrared beam has
to be directed towards the target infrared port and
as long as the two infrared ports are within sight
and range, the devices exchange data. For optimal
performance, place the T310/T312 within 20/30 cm
and in direct line with the infrared port on the PC/
PDA, or other phone. An advantage of the
necessary proximity of devices is reduced risk of
transmitting data to other nearby devices. An
infrared link is a serial connection, which means
that data bits are sent one after another in a long
stream. The IrDA–SIR Data Link Standard is a
protocol that makes transmission of data faultless.
The standard provides a high level of noise
immunity, which means that the connection should
not be affected by standard fluorescent light and
electromagnetic fields – making it suitable for the
modern office environment. However strong
sunlight may affect the connection.