Phoenix G2 IDU User Manual OVERVIEW
SAF Tehnika JSC
37
IBU with active switch
Phoenix G2 IBU with built-in active switch has following interfaces on the front panel
:
Figure 1.46
IBU with active switch front panel interfaces
RX1 and RX2 ports
SMA connector for IBU interconnection with corresponding IRFU Rx port
TX1 and TX2 ports
SMA connector for IBU interconnection with corresponding IRFU Tx port
Radio 1 and Radio 2 Control ports
RJ-45 connector for IBU interconnection with corresponding IRFU Control port
DC port
48V power supply connection. Input DC voltage operating range is -40.5V to -57V (max current
up to 3A). 2-wire DC power connector with screw terminals included. Polarity layout indicated
on the front panel. Any 2 wire power cable of good quality which fits well in SAF Tehnika’s
supplied 2 pole “screw on” power connector could be used.
Phoenix G2 IBU front panel alarm LED indications:
LED name
Description
Control (Radio
1/2)
Green –
normal operation – control cable connected, IRFU is powered on
Off
– control cable unplugged or damaged, or IRFU is not powered on
TX (Radio 1/2)
Green –
Normal operation – Tx part is active or in active search during the
switchover
Off –
Tx part is in standby state, normal operation
Red
– alarm condition – both Tx are working simultaneously, faulty control
cable or IRFU is not powered on *
* In case of 1+1 configuration the IRFU must not be powered on via DC port, that is why in this case
the Red LED is acceptable
Example of IRFU and IBU interconnection using the 1+1 or 2+0 application with single IDU:
