Siemens Terminal TC35 Manual De Usuario
24
Interface description
Purpose of the connectors/connections
Use and operation
In order to control the Terminal and transfer
data, the customer application (e.g. host
computer) is connected via the RS232 cable.
In order to control the Terminal and transfer
data, the customer application (e.g. host
computer) is connected via the RS232 cable.
Signal
name
name
PIN I/O
Description
Parameters
DCD
1
O
The functions
correspond to those
of a serial interface
on the basis of a
V.24 protocol.
correspond to those
of a serial interface
on the basis of a
V.24 protocol.
active high >5V
low <–5V
low <–5V
RXD
2
O
logical 1=low <–5V
logical 0=high >+5V
logical 0=high >+5V
TXD
3
I
active high >2.4V
low <1.8V
low <1.8V
DTR
4
I
active high >2.4V
low <1.8V
low <1.8V
GND
5
0 V
DSR
6
O
active high >5V
low <–5V
low <–5V
RTS
7
I
active high >2.4V
low <1.8V
low <1.8V
CTS
8
O
active high >5V
low <–5V
low <–5V
RI
9
O
active high >5V
low <–5V
low <–5V