Product specifications
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
• 50Ω 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.