Polycom RealPresence RMX 1500 Getting Started Manual page 47

2 Insert the power cables into the power connectors on the rear panel of the RealPresence
Collaboration Server (RMX) 4000.
Warning: AC power
• Do not connect the green or green-yellow wire to the system single-point ground screw.
• Customers are required to only use AC power cables supplied by Polycom.
• The size of the protective earthing conductor should be a minimum of 10 AWG.
• All three outlets intended for connection of the three power cords must be protected with an
external overcurrent protection device either in building or in the rack with the rating not higher
than 20 Amp.
• Do not use an Extension cords with any of the cables.
To connect the RealPresence Collaboration Server (RMX) 4000 to -48DC SELV power
Perform the following steps to connect the RealPresence Collaboration Server (RMX) 4000 to -48CD SELV
power.
1 On the DC PEMs, set the two circuit breakers to OFF
2 Ensure that the cables from the Main that supplies electricity to the DC power units are OFF or
disconnected.
3 Remove the transparent plastic caps on the terminal block.
4 Using the two wires of an 10 AWG cable running from the DC power distribution unit, connect the
black wire into the -48 VDC terminal block and the red wire to the RTN terminal block.
.
Warning: DC power
• A 10 AWG cable must be used to connect the mains with the RealPresence Collaboration Server
(RMX) 4000 DC PEM.
• The supply wires for DC version must be terminated using quick connectors.
• Extension cords may not be used.
Polycom, Inc.
Install the RealPresence Collaboration Server (RMX) 4000
.
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