
AMT-70/AMT-73/AMT-75 Installation and Operation
CHAPTER 1
INTRODUCTION
The AMT-70 modem supports all the major satellite standards, both Intelsat and DVB, in a one rack
unit chassis, if the appropriate options are enabled. The modem can also be ordered with a Turbo
Product Code and DVB-S2 FEC options. The modem is available in both 70MHz, 140 MHz and L-
Band versions. This versatile unit can be used as a standalone satellite modem, a standalone DVB
Modulator as a universal test source for satellite demodulator testing, or for monitoring applications.
This modem supports most of the synchronous voice / data / video multiplexer interfaces on the
market for interconnectivity to backbone networks.
The AMT-70 modem family now includes inbuilt Network Management functions for local and
remote management via 10/100 Base-T Ethernet offering Telnet and SNMP management, RS-232
or RS-485. Front Panel control is also available.
1.1 The AMT-7X Family
The AMT-70 modem is a member of the AMT-7x family. These modems are available in many
configurations:
29
Model
Description
AMT-70
High-speed modem with one modulator and one demodulator.
Interfaces include, RS-530 to 10Mbps and HSSI to 52Mbps and
optionally Ethernet router (10/100 Base-T) to 20 Mbps and ASI or Triple
HSSI to 140Mbps.
AMT-70
(Octal T1/E1))
High-speed modem with one modulator and one demodulator.
Interfaces include up to 8xE1/T1, 10/100 Base-, RS530, 2xFXS
connections and an overhead channel.
AMT-70
(Fast Ethernet)
Dual 10/100 base-T full duplex Ethernet ports with additional RS530
serial interface. Allows Ethernet traffic up to 90Mbps and the IP traffic
can be bridged or statically or Dynamically routed in the Modem.
AMT-73L
(Meets
MIL STD 188-65A)
Very high-speed modem that meets or exceeds MIL-STD 188-165A
requirements. Operates in L band Transmit and L band Receive.
Interfaces includes EIA/TIA-449/MIL-STD-188-165A and HSSI to 52
Mbps.
AMT-70
(TX Only)
Very high-speed modulator. Interfaces include RS-530 to 10Mbps and
HSSI to 52 Mbps and optionally Ethernet (10/100 Base-T) to 90 Mbps
and ASI or Triple HSSI to 140Mbps. DVB-S / DVB-DSNG / Turbo /
Intelsat modulation
AMT-75
DVB-S2 Broadcast Modem including all the features of the AMT-70 but
with DVB-S2 and with ASI interface. Available as a Modem or Modulator
only or Demodulator Card. Can be ordered with any of the AMT70
series Interface cards.
AMT-75R
Single or Dual DVB-S2 receiver with associated ASI, Ethernet or HSSI
Summary of Contents for AMT-70
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