Cdmr-570Al Reduced Chassis Depth Modem -24 Or -48V Dc Power And Fuse; Cdmr-570Al - Apply Dc Power; Figure 3-12. Cdmr-570Al Reduced Chassis Depth Modem -24 Or -48V Dc Power (Cdmr-570Al-Ip Shown); Figure 3-13. Apply Dc Power To The Cdmr-570Al - Comtech EF Data CDM-570A Installation And Operation Manual

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Rear Panel Connectors and Pinouts
3.3.3.3 CDMR-570AL Reduced Chassis Depth Modem -24 or -48V DC
Power and Fuse
Input Power
Input Voltage
Connector Type
Fuse Protection
Figure 3-12. CDMR-570AL Reduced Chassis Depth Modem -24 or -48V DC Power
3.3.3.3.1 CDMR-570AL – Apply DC Power
Do these steps (Figure 3-13):
WARNING! ENSURE THAT THE POWER IS REMOVED FROM THE DC CIRCUIT BEFORE
PROCEEDING!
1. Use a screwdriver to affix the user-supplied DC power leads to their respective terminals.
Number 18 AWG minimum wires are recommended.
Feature
1
2
DC Power Specifications (with CnC, without optional Packet Processor)
• Without optional Packet Processor or CnC: 29W typical, 32W maximum
-48V
• With optional Packet Processor, without CnC: 42W typical
-24V
• With optional Packet Processor and CnC: 48W maximum
-48V 48V DC nominal (43-60V)
-24V
24V DC nominal (20-36V)
Terminal Block
Use one (1X) TR5 6.3A 20mm Slo-Blo fuse for ALL units (with or without BUC). The
fuse is contained within a screw-in receptacle located to the left of the terminal block.
(CDMR-570AL-IP Shown)

Figure 3-13. Apply DC Power to the CDMR-570AL

Description
Power Terminal Block
Screw-in Fuse Holder / Receptacle
3–21
MN-CDM570A
Revision 3