Moseley Associates Inc 08MUD1F ユーザーズマニュアル

Installation  

3-6 

 

602-13729-01 Rev B 

 

Expedio Digital Electronic News Gathering Radio

 

An optional DC input power supply is available for the EXPEDIO; using high reliability, DC-DC 
converter(s) capable of operation within the following input ranges (dependent upon nominal input 
rating): 

Nominal DC Input 

Operating Input Range 

24 Volt: 

20 – 28 VDC 

48 Volt: 

32 – 64 VDC 

The DC input is isolated from chassis ground and can be operated in a positive or negative 
ground configuration.  The power supply module is removable from the unit and no high voltages 
are accessible. 

For AC modules, the main input fuse is located on the switching power supply mounted to the 
carrier PC board and the protective cage may be removed for access to the fuse.   

For DC modules, all fusing is located on the carrier PC board. 

Always replace any fuse with same type and rating.  Other fuses are present on the board, and 
are designed for output fail-safe protection of the system.  All output fuse values are printed on 
the backside of the PC board to aid in replacement. 

NOTE: If a fuse does blow in operation, investigate the possible cause of the failure prior to 

replacing the fuse, as there is adequate built-in protection margin. 

DVB ASI is the data interfaces into the transmitter modulator. 

The installation of the EXPEDIO involves several considerations.  A proper installation is usually 
preceded by a pre-installation site survey of the facilities.  The purpose of this survey is to 
familiarize the customer with the basic requirements needed for the installation to go smoothly.  
The following are some considerations to be addressed. 

Before taking the product to the installation site verify that the interface connections are 
compatible with the equipment to be connected.  Also, locate the information provided by the path 
analysis that should have been performed before ordering the equipment.  At the installation site, 
particular care should be taken in locating the product in an area where it is protected from the 
weather and as close to the antenna as possible.  Locate the power source and verify that it is 
suitable for proper installation.