User Guide: PTP 800 Licensed Ethernet Microwave
Installing the CMU
phn-1478_005v000
Apr 2010
5-75
Attach the ground cable to the CMU ground connector (
Figure 5-15
).
Figure 5-15 CMU ground connector
CMU power supply
Connect the CMU to a minus 48 Volt (
48V) supply capable of supplying a
maximum of 2 amps.
The Motorola supplied AC to DC converter is shown in
Figure 5-16
. For
specifications of the converter, mains cables and DC connectors, refer to
AC to DC
converter specifications
on page
4-31
.
Figure 5-16 Motorola AC to DC converter
For details of alternative power supply arrangements, refer to
Power supply
considerations
on page
2-15
. If an alternative power supply is to be installed, it
must include the following safeguards:
x
The DC supply must have over current protection that does not exceed 3 amps
x
A means of isolating the CMU from the DC supply must also be provided.
Summary of Contents for PTP 800
Page 22: ...List of Tables phn 1478_005v000 xx Apr 2010 ...
Page 72: ...System management Chapter 1 Product description phn 1478_005v000 1 38 Apr 2010 ...
Page 290: ...Alternative approaches Chapter 5 Installation phn 1478_005v000 5 116 Apr 2010 ...
Page 354: ...Managing performance Chapter 6 Operation phn 1478_005v000 6 64 Apr 2010 ...