ra e & h n
Thrane & Thrane
T
TT-3020B C p a ra
Capsat Transceiver
a i
Ma u
Installation Manual
5
30MAY95
P g
Page 7
17
d
Baud rates
r
o
s
Protocol settings
d
a
Handshake
110 Baud
7/8 databits
Hardware
150 Baud
No/Even/Odd parity
Using DTR and CTS
300 Baud
1/2 stopbits
600 Baud
1200 Baud
2400 Baud
4800 Baud
9600 Baud
Table 7: Automatic baudrate settings.
The serial port communication parameters are factory programmed to:
, at b s n
i
b
4800 Baud, 8 databits, no parity, 1 stopbit
Please refer to chapter section 3.3 to alter the baudrate and the protocol settings by
means of Automatic Baud Rate Recognition.
Alternatively these settings may be customer defined.
2.5.2.2
X4 Connector interface
The TT-3020B uses the the following signals (marked with a
ü
in the
Used
column):
e
Name
g
p o
Signal description
n
9-Pin
Use
Used
v
Levels
D ec
n
Direction
DCD
Data Carrier Detect
1
RS-232/423
oè
RxD
Received Data
2
ü
RS-232/423
oè
TxD
Transmitted Data
3
ü
RS-232
oç
DTR
Data Terminal Ready
4
ü
RS-232
oç
GND
Ground
5
ü
DSR
Data Set Ready
6
ü
RS-232/423
oç
RTS
Request To Send
7
RS-232
oç
CTS
Clear To Send
8
ü
RS-232/423
oè
RI
Ring Indicator
9
ü
RS-232/423
oè
Table 8: TT-3020B X4 pin assignment.
The
oè
symbol means that the signal is generated by the Transceiver.
For full operating specifications for the serial interface, you are kindly requested to
refer to the CCITT Rec. V24, the EIA RS-423C or EIA RS-232D.
2.5.2.3
Interfacing to peripherals
The transceiver may be used in numerous configurations for operation with equipment
like:
http://funk-an-bord.de
-- Page 20 of 42 --
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