Functional description
MPR-e and MSS-1c User Manual 3DB19901EFAA Edition 01 147
3.10.5.4 — Connectors
• Two DC connectors in the front (for box version), or power from the back panel (for
plug-in version)
• Two RJ45 connectors for the data in (DATA)
• Two RJ45 connectors for the data + DC out (DC+DATA)
3.10.5.5 — LEDs
• Two LEDs indicate the presence of DC voltage on each Ethernet output.
Figure 3.59 — Power Injector front panel
3.10.6 — MPT Power Unit
The MPT Power Unit is an indoor device, which provides power to up to four MPT using
coax cable and Type-N connectors.
Figure 3.60 — MPT Power Unit
The MPT Power Unit has 7 connectors:
23092
9500 MPR
MPT1
MPT Power Unit
MPT2 MPT3 MPT4
DC Voltage
Alarms
Battery B
+ VDC -
VDC Normal -48V
VDC Range -57.6V to -38.4V
MPT Battery
1 3
2 4
A
B
Battery A
+ VDC -
DC Voltage