Comtech EF Data SDM-300A - Manual (Page 27)

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Chapter 1. Introduction
The SDM-300A is a complete, self-contained unit in a standard, one-rack unit (1 RU), 19-inch
(48 cm), rack-mountable enclosure weighing approximately 9 lbs (4 kg). The unit was
constructed using modular design and consists of from two to five Printed Circuit Boards
(PCBs), depending on the configuration. The modem consists of two major, replaceable
assemblies as follows:
• Rear panel, main PCB, and power supply
• Upper and lower enclosures (chassis) and the front panel
The front panel of the modem contains all Monitor and Control (M&C) function indicators used
for operating the modem. The modem can be operated remotely via the M&C connection on the
rear panel.
SDM-300A
Satellite Modem