User manual

PCM-9386 User Manual 24
2.21 SMBus connector (default); SIR (optional) (CN11)
2.21.1 SMBus
The board can support SMBus as default value through CN11 connector.
SMBus is the System management Bus and usually used it for low-speed
system management communications. This Board supports SMBus for
advantech embedded API - SUSI (Secured and Unified Smart Interface).
It allows a developer to interface a windows XP or CE PC to a down-
stream embedded system environment and transfer serial messages using
the SMBus protocols. You will be able to control multiple device simulta-
neouusly.
2.21.2 SIR
The board provides an IrDA port for transfer rates of 115kbps.This con-
nector supports the optional wireless infrared transmitting and receiving
module, which is mounted on the system case. Configuration of the mod-
ule is done through BIOS setup.