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Connecting
5.5 RS232 Port
5.5
RS232 Port
The TS Adapter IE has a COM port configured as a RS232C interface, which is used solely
for connecting external modems.
You can operate the following devices from the COM port:
● Standard modems
● ISDN terminal adapters
● GSM wireless modems with an RS232 port
Pin assignment and signal description of RS232C port X2
The RS232 connector is configured as follows:
Pin no.
1
2
3
4
5
6
7
8
9
Shield
DCE = Data Communication Equipment (modem or ISDN-TA)
1
DTE = Data Terminal Equipment (TS Adapter IE)
2
32
NOTICE
The specifications relating to interference immunity and interference emission apply only
when using devices, lines and connectors conforming to industrial requirements in
accordance with EN 61000-6-4:2001 and EN 61000-6-2:2001.
Short name
Meaning
DCD
Received signal level - the DCE signals to the DTE the
reception of a carrier and the connection setup.
RXD
Received data - from DCE
TXD
Transmitted data - from DTE to DCE
DTR
Ready to send - the DTE signals this to the DCE.
GND
Internal reference ground
DSR
Ready to operate - the DCE signals this to the DTE.
RTS
Switch on transmission unit - the DTE requests the DCE to
transmit data on the data cable. The DTE waits for the CTS
(ready-to-send) signal from the DCE.
CTS
Ready to send - the DCE is able to transfer the data
incoming from the DTE.
RI
Incoming call - the DCE signals reception of a call signal to
the DTE.
On connector housing
to DTE
1
2
Manual, 11/2010, A5E00977705-03
Input/
Output
Input
Input
Output
Output
Input
Output
Input
Input
-
TS Adapter IE
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