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CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier®
Rear Panel Connectors
3.2
Base Chassis Connections
3.2.1
Power Connector
For continued operator safety, always replace the fuses with the correct type
and rating.
IMPORTANT
3.2.1.1
AC Power Connector
3.2.1.2
DC Power Supply (CDM-QxL, Optional)
3.2.2
Ground Connector
A #10-32 stud, located adjacent to the power connection on the rear panel of the
modem, is used for connecting a common chassis ground among equipment.
Note: The AC power connector provides the safety ground.
A standard, detachable, non-locking, 3-prong power cord (IEC plug) supplies
the Alternating Current (AC) power to the modem. Observe the following:
Input Power
Input Voltage
Connector Type
Fuse Protection
A standard, 3-screw terminal block supplies the Direct Current (DC) power to
the modem. Observe the following:
Input Power
250W maximum, 110W typical without BUC power supply.
Input Voltage
36 to 72 VDC; 6.25 amps
Connector Type
Terminal Block
Fuse Protection
6.25A Slow-blow
With 24 VDC BUC:
With 48 VDC BUC:
3–4
AC Power Specifications
290W maximum, 110W typical without BUC power supply.
100 - 240 volts AC, +6/-10% - autosensing
(total absolute max. range is 90 to 254 VAC)
IEC
CDM-Qx (70/140): 2.0A Slow-blow
Line and neutral fusing
20 mm type fuses
CDM-QxL (L-Band): 3.15A Slow-blow
Line and neutral fusing
20 mm type fuses
DC Power Specifications
TBD
TBD
Revision 7
MN/CDMQX.IOM
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