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TANGO
VERSION 1.04
This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission.
Page 19
2.1.9.2
Interface B (9-pin D-SUB connector)
Interface B has the highest priority connection to control the TANGO
modem. This one has a standard D-SUB-male serial connector.
RS232
9 pin D-Sub to DIN 41652
+/-12V
RX, TX, RTS, CTS, DTR, DSR, DCD, RI
300...115200
Baud rates for serial link (2400...19200 with auto-bauding)
Interface B (DB9 connector) has the following layout.
Figure 3:
RS232 pin-out (interface B)
Pin
Description
Direction
1
DCD
↔
Data Carrier Detect
OUT
2
RxD
↔
Received Data
OUT
3
TxD
↔
Transmitted Data
IN
4
DTR
↔
Data Terminal Ready
IN
5
GND
↔
Signal Ground
-
6
DSR
↔
Data Set Ready
OUT
7
RTS
↔
Request To Send
IN
8
CTS
↔
Clear To Send
OUT
9
RI
↔
Ring Indicator
OUT
Table 10:
Pin assignment of the standard RS232 connector