
Interfaces
Interfaces
Interfaces
Interfaces
Technical Specifications
Technical Specifications
Technical Specifications
Technical Specifications
7Sep01
7Sep01
7Sep01
7Sep01
Page
Page
Page
Page 9-3
9-3
9-3
9-3
9.1.5
ISDN
The pin out is as follows:
Pin no.
Pin Function
Signal Direction
1
Not used
2
Not used
3
RxP
Input
4
TxP
Output
5
TxN
Output
6
RxN
Input
7
Not used
8
Not used
9.1.6
RS-232 interface
The RS-232 is a DCE type of interface and the signals are as
follows:
Pin Number
Pin Function
Signal Direction
1
DCD
Output
2
RXD
Output
3
TXD
Input
4
DTR
Input
5
Ground
6
DSR
Output
7
RTS
Input
8
CTS
Output
9
RI
Output
Содержание TT-3080A
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