IBASE MB930 - Manual (Page 25)

INSTALLATIONS
J2: COM2 Serial Port
COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Please refer to JP2: RS232/422/485 (COM2) Selection
Pin # Signal Name
RS-232 R2-422 RS-485
1 DCD TX- DATA-
2 RX TX+ DATA+
3 TX RX+ NC
4 DTR RX-
NC
5 Ground Ground Ground
6 DSR RTS-
NC
7 RTS RTS+ NC
8 CTS CTS+ NC
9 RI CTS- NC
10 NC NC NC
J3: IrDA Connector
Pin # Signal Name
1 +5V
2 No
connect
3 Ir RX
4 Ground
5 Ir
TX
J4: SPI Debug Tools Port
(Factory use only)
J5: Audio Front Header
Signal Name Pin # Pin # Signal Name
MIC2_L 1 2 Ground
MIC2_R 3 4 Presence#
Line2_R 5 6 MIC2_ID
Sense 7 8 NC
Line2_L 9 10 Line2_ID
MB930-R User’s Manual 21