66
10/100baseT data interface
Connection is though the Ethernet RJ45
connector on the electronics compartment.
Interface is IP4 with fixed address which can
be configured.
The Ethernet interface is not activated by software
versions covered in this instruction manual.
Serial connector – DB25
The 25-pin serial connector on the
electronics compartment is female. The
radio cable should have a male connector to
match. Table 8 lists the interface signals
available on each pin of the connector.
3 Vdc or 9 Vdc configurable signals
Voltage range 3 Vdc or 9 Vdc configurable,
only one voltage, called the signal supply is
configured for all these signals.
These signals supply an alternative data
interface to RS232 to operate with radio/
modems which have logic level types of
serial interface.
The signal supply itself is also available on
pin 22.
Maximum output current for all lines is
10 mA.
Serial data connector
Pin Signal Level RCU electronics input/output
1 GND
2 DTR RS232 Output
3 TXD RS232 Output
4 RXD RS232 Input
5 DCD RS232 Input
6 Radio power supply positive Configured 3 Vdc or 9 Vdc or battery Output
7 PTT Clean contact Output
8 GND
9 GND
10 DTR 3 V-9 V configurable Output
11 TXD 3 V-9 V configurable Output
12 RXD 3 V-9 V configurable Input
13 RI 3 V-9 V configurable Input
14 RI RS2323 Input
15 CTS RS2323 Input
16 RTS RS2323 Output
17 DSR RS2323 Input
18 Radio power supply positive Configured 3 Vdc or 9 Vdc or battery Output
19 Radio power supply positive Configured 3 Vdc or 9 Vdc or battery Output
20 PTT Clean contact Output
21 GND
22 Signal supply 3 Vdc or 9 Vdc, 5 mA Output
23 CTS Configurable 3 Vdc or 9 Vdc Input
24 RTS Configurable 3 Vdc or 9 Vdc Output
25 DCD Configurable 3 Vdc or 9 Vdc Input
Table 8: Serial data connector
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