Dc Units - Cdmr-570L Unit Only; Ground Connector - Comtech EF Data CDM-570 Installation And Operation Manual

CDM-570/570L Satellite Modem with Optional IP Module
Rear Panel Connectors and Pinouts
3.5.2.2 48 V DC Units – CDMR-570L Unit Only
Note the following:
Input Power
Input Voltage
Connector Type
Fuse Protection

3.5.3 Ground Connector

PROPER GROUNDING PROTECTION REQUIRED: The installation instructions
require that the integrity of the protective earth must be ensured and that the
equipment shall be connected to the protective earth connection at all times.
Therefore, it is imperative during installation, configuration, and operation to
ensure that the unit has been properly grounded using the ground stud provided
on the rear panel of the unit.
A #10-32 stud provided on the rear panel of the modem is used for connecting a
common chassis ground among equipment.
Note: The AC power connector provides the safety ground.
This optional connection supplies the 48V Direct Current (DC)
power to the CDMR-570L modem.
DC Power Specifications
48 watts typical, 55 watts maximum
48 volts DC nominal (43 volts to 60 volts)
Terminal Block
Use one (1X) Slow-Blow TR5 type fuse – fuse is contained within a screw-in receptacle
located to the left of the terminal block:
•
Use a TR5 6.3A fuse for all CDMR-570L units ( with or without BUC)
3–12
Revision 12
MN/CDM570L.IOM