IBASE SI-28 - Manual (Page 9)

9
The stereo audio jack (3.5mm) is used to connect the system’s audio out signal to
amplified speakers or headphones.
LAN
The eight-pin RJ-45 LAN port supports a standard Ethernet cable for connection
to a local network.
COM1 / COM2
Communication or serial port is compatible with RS-232 interface without RI (ring
indicator) signal.
DC IN 12V
The supplied power adapter converts AC power to DC power for use with this
jack. Power supplied through this jack supplies power to the system. To prevent
damage to the system, always use the supplied power adapter.