IBASE IB903 User Manual
Page 25
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INSTALLATIONS
IB903F User’s Manual
21
J19: Amplify Connector
Pin #
Signal Name
1
OUTL+
2
OUTL-
3
OUTR-
4
OUTR+
J20: 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
NC
10
9
Ground
DSR4
12
11
DCD4
RTS4
14
13
RXD4
CTS4
16
15
TXD4
RI4
18
17
DTR4
NC
20
19
Ground
19 1
29 2
4 1
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