Chapter 1. Introduction; Introduction; Figure 1-1. Cdm-Qx/Qxl - Comtech EF Data CDM-Qx Installation And Operation Manual

Chapter 1. INTRODUCTION

1.1

Introduction

®
The CDM-Qx, Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier is
a 70/140 MHz (or CDM-QxL with 950MHz-1950MHz L-Band operation) modular
multi-channel modem with redundancy contained in a single rack unit (1RU) chassis. The
Modem offers flexibility, redundancy, integration, and performance with four slots
configurable as modulators or demodulators.
®
The CDM-Qx/QxL supports DoubleTalk™ Carrier-in-Carrier option, allowing transmit
(Tx) and receive (Rx) carriers in a full-duplex link to use the same transponder segment.

Figure 1-1. CDM-Qx/QxL

1–1