Comtech EF Data DST - Manual (Page 22)

Digital Satellite Terminal System Revision 2
Introduction MN/DST.IOM
1–4
1.2.1 Description of Indoor Unit
The IDU for the DST is one of several L-Band Satellite Modes produced by Comtech EF
Data. The modem provides the data interface and connects to the ODUs at L-Band
frequencies. In addition, the modem provides the M&C interface for the DST system, a
10 MHz reference, and power for both the BUC and the LNB. The DST employs a user-
friendly M&C interface that is accessible from either the front panel of the indoor unit
(IDU) or its remote port.
For additional modem information, refer to Installation and Operation Manual for the
modem being used.
1.2.2 Description of Monitor and Control (M&C)
The DST employs the user-friendly monitor and control (M&C), which is accessible
from either the front panel or the remote port of the modem. The DST M&C is primarily
LAN based using Telnet, SNMP or a web browser:
• Data rate and code rate
• ODU power supply On/Off for BUC and LNB
• Hi/Lo ODU current alarm for BUC and LNB current
• 10 MHz Reference On/Off for BUC and LNB
• TX Carrier On/Off
• TX Carrier outdoor power level using modem power offset
• C- or Ku-Band TX and RX frequency programming
• Link power control using the optional AUPC
• FSK monitor and control of FSK capable BUCs, including power leveling
1.3 Features and Options
1.3.1 Features
The DST is designed for maximum performance and reliability for VSAT applications,
including:
• Point-to-point to multipoint links
• Symmetric and Asymmetric Networks
• Internet and router connectivity
• Automatic Uplink Power Control (AUPC) enhanced links