Comtech EF Data CDM-840 - Manual (Page 53)

CDM-840 Remote Router Revision 2
Rear Panel Connections MN-CDM840
3–13
3.3.3 48V Direct Current (DC) Power Interface (Optional)
Figure 3-8. CDM-840 DC Power Interface
3.3.3.1 DC Operation – Applying Power
Figure 3-9. Applying DC Power to the CDM-840
To apply DC power to the CDM-840:
• First, connect the user-supplied (+) and (–) DC power leads to their respective terminals.
Number 18 AWG minimum wires are recommended.
• Then, connect the user-supplied DC power leads to the power source.
• Finally, switch the unit ON.
Feature Description
1 On / Off Switch
2 Screw-in Fuse Holders / Receptacles
3 Power Terminal Block
DC Power Specifications
Input Power
25W (typical)
245W (maximum with BUC)
Input Voltage
48V DC, nominal
(36V to 60V)
Connector Type Terminal Block
Fuse Protection
(2X) 5mm x 20mm Slow-blow type fuses:
T3A (3.0A) Main
T5A (5.0A) (BUC)