
CDM-840 Remote Router
Revision 0
Introduction
MN-CDM840
1–4
1.3
Features
1.3.1
Physical Description
The CDM-840 Remote Router is constructed as a 1RU-high rack-mounting chassis, which can be
free-standing if desired. Handles at the front to facilitate removal from and placement into a rack.
The unit uses a single printed circuit board assembly for high reliability. All operational upgrades
and enhancements are afforded via remote firmware upgrade.
1.3.1.1 Standard Hardware
•
50
Ω
L-Band (950 - 2150 MHz)
•
100–240 VAC Primary Input Power Supply
1.3.1.2 Standard Assemblies
Assembly
Description
Where Installed
PL-0000712 CDM-840 Base Chassis Assembly
–
PL-0000714 CDM-840 PCB Assembly
CDM-840 chassis
FS-0000030 Cartridge Fuse, 2.5A 250VAC 5x20mm Slow Blo fuse, 213 series
CDM-840 chassis
1.3.1.3 Optional Hardware
•
48V
DC Primary Input Power Supply
•
24V
DC BUC 90 Watt Power Supply (AC Input or DC Input versions)
•
48V
DC BUC 150 Watt Power Supply (AC Input or DC Input versions)
•
Rear-Mounting (back of rack) Support Brackets Kit (See Sect. 2.2.1 for details)
1.3.1.4 Optional Assemblies
Assembly
Description
Where Installed
PL-0000881 CDM-840 100-240V AC unit w/24V DC 90W @ 50°C BUC Power
Supply
CDM-840 chassis
PL-0000883 CDM-840 100-240V AC unit w/48V DC 150W @ 50°C BUC Power
Supply
CDM-840 chassis
KT-0000168 Rear-Mounting Support Bracket
Sides of CDM-840 chassis / rear of
user-provided mounting rack – See
Sect. 2.2.1
1.3.2
Compatibility
The CDM-840 transmits VersaFEC interoperable with Comtech EF Data’s CDD-880 Multi-
Receiver Router. The receive side supports DVB-S2 operation at L-Band up to 62 Msps, and is
compatible with Comtech EF Data’s CDM-800 Gateway Router for CCM operation.
Summary of Contents for CDM-840
Page 2: ......
Page 6: ...This page is intentionally blank...
Page 20: ...CDM 840 Remote Router Revision 0 Preface MN CDM840 xvi Notes...
Page 32: ...CDM 840 Remote Router Revision 0 Introduction MN CDM840 1 12 Notes...
Page 36: ...CDM 840 Remote Router Revision 0 Installation MN CDM840 2 4 Notes...
Page 42: ...CDM 840 Remote Router Revision 0 Rear Panel Connector and Pinouts MN CDM840 3 6 Notes...
Page 100: ...CDM 840 Remote Router Revision 0 Appendix A MN CDM840 A 4 Notes...
Page 108: ...CDM 840 Remote Router Revision 0 Appendix B MN CDM840 B 8 Notes...
Page 110: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...