Harmonic ProView 2900 Installation Manual page 42

Chapter 3: ProView 2900 Control Interfaces
AC Power Supply
3.3.2.1.
Grounding of the ProView 2900 is provided when the AC power cable is connected to the
device's AC connector. The ProView 2900 is shipped with either one of the AC connector
configuration, as shown in Figure 3-4.
AC Power Supply Configuration 1
Figure 3-4:
DC Power Supply
3.3.2.2.
DC power supply is an optional feature of the ProView 2900.
If the unit is fitted with a -48V CD power supply, connect the external 48V DC source by
performing the following (refer to Figure 3-5):
1. Connect a (+) 48V DC source wire to the (+) contact on the power terminal board.
2. Connect a (-) 48V DC source wire to the (-) contact on the power terminal board.
3. Connect Grounding point wire to the (GND) contact on the power terminal board.
When the ProView 2900 is rack-mounted, the Grounding jackscrew (see Figure 3-5) must be
connected to the rack housing, which in turn should be properly grounded.
Figure 3-5:
© Harmonic Inc. Manual p/n 101543/Ver 1.0
AC Power Supply and Rack-Mount Grounding Jackscrew
DC Power Supply and Rack-Mount Grounding Jackscrew
3-9
Electrical Installation
AC Power Supply Configuration 2
ProView 2900 Series/SW Version 1.94