Polycom DOC2237A Uživatelský manuál stáhnout pdf (Strana 93)

MGC Hardware and Installation Manual

4-21

Power Module in the MGC-50

In the MGC-50, the Power Supply Module is not hot swappable. The power

supply automatically senses the AC input voltage.

The capacities of the power supply module are shown in Table 4-2, “MGC-50

Power supply module capacity”.

Power Supply Cord

The MGC-100 and the MGC-50 may only use power supply cords supplied

by Polycom Inc.or a equivalent UL approved cable, rated at a current of up to

15 Amp., depending on country standards, for AC power supply. The

following specifications are for both the MGC-100 and MGC-50.

For the DC power supply in the MGC-100, use the AWG 10 three wires

cabling. The following color scheme is used in the connection:

• Black for “-48VDC”

• Red for “RETURN -48VDC”

• Green or yellow-green for “Protective Ground’

Table 4-2: MGC-50 Power supply module capacity

Voltage (V) Maximum current (Amp.)

5120

12 2

-12 .5

1 2 ... 88 89 90 91 92 93 94 95 96 97 98 ... 169 170

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Polycom DOC2237A Uživatelský manuál Strana 93