IBASE IB980 User Manual
Page 20
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INSTALLATIONS
18
IB980 User’s Manual
J1: COM1 and COM2 Serial Port
[HRS_DF11-20DP-2DSA(08)]
Signal Name Pin #
Pin #
Signal Name
DSR1
2
1
DCD1
RTS1
4
3
RXD1
CTS1
6
5
TXD1
RI1
8
7
DTR1
NC
10
9
Ground
DSR2
12
11
DCD2
RTS2
14
13
RXD2
CTS2
16
15
TXD2
RI2
18
17
DTR2
NC
20
19
Ground
J2: COM3, COM4 Serial Port
[HRS_DF11-20DP-2DSA(08)]
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
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