IBASE IB946 - Manual (Page 21)

INSTALLATIONS
IB946 User’s Manual 17
COM2 is jumper selectable for RS-232, RS-422 and RS-485.
Pin # Signal Name
RS-232 R2-422 RS-485
11 DCD TX- DATA-
13 RX TX+ DATA+
15 TX RX+
NC
17 DTR RX- NC
19 Ground Ground Ground
12 DSR RTS-
NC
14 RTS RTS+ NC
16 CTS CTS+ NC
18 RI CTS- NC
20 NC NC NC
J3: COM3, COM4 Serial Port(DF11 Connector)
Signal Name Pin # Pin # Signal Name
DSR3 2 1 DCD3
RTS3 4 3 RXD3
CTS3 6 5 TXD3
RI3 8 7 DTR3
NA 10 9 Ground
DSR4 12 11 DCD4
RTS4 14 13 RXD4
CTS4 16 15 TXD4
RI4 18 17 DTR4
NA 20 19 Ground
LVDS1, LVDS2: LVDS Connectors (1st channel, 2nd channel)
Signal Name Pin # Pin # Signal Name
TX0- 2 1 TX0+
Ground 4 3 Ground
TX1- 6 5 TX1+
5V/3.3V 8 7 Ground
TX3- 10 9 TX3+
TX2- 12 11 TX2+
Ground 14 13 Ground
TXC- 16 15 TXC+
5V/3.3V 18 17 ENABKL
+12V 20 19 +12V