Auxiliary Inputs - Andrew ION-B Series User Manual

485 Bus Termination Load
Not connected
Power Supplying Ports
The front side of the TPRF31 Fast MiniRack is provided with 4 power supplying ports, conveying
the -48Vdc power supply to up to 4 ION-B Remote Units
Please refer to Bulletin PA-101187-EN in order to check that the overall maximum power the
TPRF31 provides to your Remote Units is below the overal maximum power supported by the
unit.
TPRF
Figure 4.2.7:
TPRF31 Power supplying ports on TPRF31 front side (a),
Connection scheme of the power supply ports (b)

Auxiliary Inputs

The rear side of the TPRF31 Fast MiniRack is provided with two auxiliary input alarms, allowing
the monitoring of the alarm status (on/off) of any external device. The alarm status is able to
be associated either with the open-circuit or the closed-circuit status by properly setting the
TPRF31 page of the TSUN Supervision Interface.
Auxiliary input connectors are Phoenix Contact MC1,5-2-G-3.5 connectors
118
Dip-switch 8
Connected
(a)
Table 4.2.4 : Settiing the $85 Bus termination
OFF
Load through Dip-Switch 8
ON
.
(b)
0V -48V 0V -48V 0V -48V 0V -48V
ION-B User Manual