IBASE IB946 User 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