2 base chassis connections, 1 power connector, 1 ac power connector – Mocomtech CDM-QX User Manual

Page 54: 2 dc power supply (cdm-qxl, optional), 2 ground connector

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CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision

7

Rear Panel Connectors

MN/CDMQX.IOM

3–4

3.2

Base Chassis Connections

3.2.1

Power Connector

3.2.1.1 AC Power Connector

A standard, detachable, non-locking, 3-prong power cord (IEC plug) supplies
the Alternating Current (AC) power to the modem. Observe the following:

3.2.1.2 DC Power Supply (CDM-QxL, Optional)

A standard, 3-screw terminal block supplies the Direct Current (DC) power to
the modem. Observe the following:

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.

IMPORTANT

For continued operator safety, always replace the fuses with the correct type
and rating.

AC Power Specifications

Input Power

290W maximum, 110W typical without BUC power supply.

Input Voltage

100 - 240 volts AC, +6/-10% - autosensing
(total absolute max. range is 90 to 254 VAC)

Connector Type

IEC

Fuse Protection

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

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:

TBD

With 48 VDC BUC:

TBD

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