Comtech EF Data CDM-750 Installation And Operation Manual page 4

CDM-750 Advanced High-Speed Trunking Modem
Table of Contents
1.2 CDM-750 Functional Description . .......................................................................................... 1-1
1.3 CDM-750 Features ................................................................................................................ 1-5
1.3.1 Physical Description .............................................................................................................................. 1-6
1.3.2 Dimensional Envelope .......................................................................................................................... 1-7
1.3.3 CDM-750 External Physical Features . .................................................................................................. 1-8
1.3.3.1 Front Panel . ....................................................................................................................... 1-8
1.3.3.2 Rear Panel ......................................................................................................................... 1-9
1.3.3.2.1 Rear Panel Standard Features..................................................................................... 1-9
1.3.3.2.2 Rear Panel Optional Features ................................................................................... 1-10
1.4 CDM-750 Specifications ...................................................................................................... 1-11
1.4.1 System Specifications ......................................................................................................................... 1-11
1.4.2 Environmental and Physical ............................................................................................................... 1-11
1.4.3 Base Unit Connectors ......................................................................................................................... 1-12
1.4.4 Test Functions ..................................................................................................................................... 1-12
1.4.5 Modulator (Dual IF) . ............................................................................................................................ 1-12
1.4.6 Demodulator (Dual IF) ........................................................................................................................ 1-13
1.4.7 Adaptive Coding and Modulation (ACM) . ......................................................................................... 1-14
1.4.8 DoubleTalk
1.4.9 Regulatory Compliance ...................................................................................................................... 1-15
1.4.10 Standard Assemblies .......................................................................................................................... 1-15
1.4.11 Optional Assemblies ........................................................................................................................... 1-16
CHAPTER 2. INSTALLATION .............................................................................................. 2-1
2.1 Unpacking and Inspecting the Shipment ............................................................................... 2-1
2.2 Installing into a Rack Enclosure . ............................................................................................ 2-2
2.2.1 Installing the Optional Rear-Mounting Support Brackets Kit ............................................................ 2-4
2.2.2 Installing the Optional Bearingless Rack Slide Set .............................................................................. 2-6
CHAPTER 3. REAR PANEL CONNECTIONS ...................................................................... 3-1
3.1 Cabling Connection Types ..................................................................................................... 3-1
3.1.1 Coaxial Cable Connections ................................................................................................................... 3-1
3.1.1.1 Type 'BNC' ......................................................................................................................... 3-2
3.1.1.2 Type 'TNC' ......................................................................................................................... 3-2
3.1.1.3 Type 'N' ............................................................................................................................. 3-2
3.1.1.4 Type 'F' .............................................................................................................................. 3-3
3.1.1.5 Type 'SMA' (Subminiature Version 'A') . ............................................................................ 3-3
3.1.2 D-Subminiature Cable Connections .................................................................................................... 3-3
3.1.3 Circular Cable Connections .................................................................................................................. 3-4
3.1.4 RJ-45, RJ-48 Cable Connections ........................................................................................................... 3-4
3.2 CDM-750 Cabling Connections .............................................................................................. 3-5
3.2.1 IF Connector Group .............................................................................................................................. 3-7
TM ®
Carrier-in-Carrier (CnC) . ............................................................................................. 1-15
iv
Revision 2
MN-CDM750