Comtech EF Data DMDVR20 LBST Rev 1.1 - Manual (Page 16)

DMDVR20 LBST Satellite Modem Installation
TM136 – Rev. 1.1 2-1
Installation
2
This section provides unpacking and installation instructions, and a description of external
connections and backward alarm information.
2.0 Installation Requirements
The DMDVR20 LBST Modem is designed to be installed within any standard 19-inch (48.26 cm)
wide equipment cabinet or rack. It requires one rack unit (RU) of mounting space (1.75
inches/4.45 cm) vertically and 19.25 inches (48.89 cm) of depth for the DMDVR20 LBST and 24
inches (60.96 cm) of depth for the DMDVR20 LBST. The rear panel of the modem is has power
entering from the left and IF Cabling entering from the right (as viewed from the rear of the unit).
Data and Control Cabling can enter from either side.
PROPER GROUNDING PROTECTION: During installation and setup, the
user must ensure that the unit is properly grounded. The equipment
shall be connected to the protective earth connection through the end
use protective earth protection.
In addition, the IF input and output coax cable shielding must be properly
terminated to the Chassis/unit ground
There are no user-serviceable parts or configuration settings located
inside the Chassis. There is a potential shock hazard internally at the
power supply module. DO NOT open the Chassis under any
circumstances.