Comtech EF Data CDM-710L Spécifications télécharger pdf (Page 21)

Chapter 1. INTRODUCTION

1.1 Overview

The CDM-710 Broadcast Satellite Modem (Figure 1-1) is a high symbol/bit-rate unit, intended

for operation in broadcast and enterprise applications. It operates over satellite links at

symbol/data rates up to 45 Msps. Various modulations and coding combinations compliant with

DVB-S, DVB-DSNG and DVB-S2 are provided. The operating frequency of the CDM-710 is

available in the following versions:

70/140 MHz:

52 to 88 MHz and 104 to 176 MHz in 100 Hz resolution

L-Band:

950 to 1950 MHz in 100 Hz resolution

Individual Modulator and Demodulator cards are available for the CDM-710 for operation at

either 70 /140 MHz and L-Band. The terrestrial data interfaces (Figure 1-2) are field removable

to allow different combinations of interface types:

• CDI-40 Duplex ASI Interface

• CDI-70 1000 Base-T (GbE) Ethernet Interface

• CDI-60 HSSI Interface

Chassis - Initially released version

Chassis – Rev. A and later versions

Figure 1-1. CDM-710 Broadcast Satellite Modem (Shown with Different Keypads)

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Comtech EF Data CDM-710L Spécifications Page 21