IBASE MB839 - Manual (Page 17)

INSTALLATIONS
MB839 Series User’s Manual 11
J3: MCU Update (Factory use only)
J4: Serial Port (COM2)
Signal Name Pin # Pin # Signal Name
DCD# 1 6 DSR#
SIN 2 7 RTS#
SOUT 3 8 CTS#
DTR# 4 9 RI#
GND 5
J7: SATA Power Connector
Pin # Signal Name
1 +5V
2 Ground
3 Ground
4 +12V
J8 : USB 2.0 Pin Header
Signal Name Pin # Pin # Signal Name
NC 1 2 GND
NC 3 4 D+
NC 5 6 D-
GND 7 8 +5V
J10: AT_12V Connector
DC-in internal connector supports +12V.
Remarks: Do not connect CN12 and J10 at the same time.
Pin # Signal Name
1 +12V
2 Ground