RHOTHETA User Manual RT-800
Page 159 of 192
10
Programmable
OUT
(
Electrical identical
to Squelch Out)
Optional programmable output (open collector):
- Alarm
- Status
- Squelch
- No function
Max. current 200 mA.
Table 17 Power & I/O Connector
7.2 Antenna Unit (Connecting Cable DCU
AU)
7.2.1 Pinning Antenna Unit Connector
S. Fig. 3, position 5.
Contact
/ Pin
Signal
3
+12 to +30 V DC
Power connection of Antenna Unit
Note
Power supply includes a shortcut protection
8
5
GND
9
1
RS485 A
Serial data connection DCU
AU
(9600 Baud / semi-duplex / receive and transmit)
6
RS485 B
2
NF
Input audio signal resp. analog Test/Service (symmetric
OPTIONAL)
7
GND
Input audio symmetric (OPTIONAL)
Table 18 Pinning of the AU Connector