Polycom RealPresence RMX 4000 Hardware Manual page 35

Warning:
The center PEM slot/module is fitted with a blank panel and the slot cannot be used on a system
with DC Voltage.
5. Connect the green or green-yellow wire to the system single-point M6x15 "Ground" bolt
Warning:
If the unit is rack mounted, the single-point ground on the MCU must be connected to the rack with
a single conductor and fixed as to prevent loosening. When using bare conductors, they must be
coated with an appropriate antioxidant compound before crimp connections are made. Tinned,
solder-plated or silver plated connectors do not have to be prepared in this manner.
6. Replace the transparent plastic cap on the terminal block.
7. Turn ON the circuit breaker on each of the DC PEMs.
On the RealPresence Collaboration Server (RMX) 4000, two types of circuit breakers can be
installed:
• ON/OFF circuit breaker-Type A
• ON/OFF circuit breaker with locking mechanism-Type B
Polycom, Inc.
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.
Protective earthing conductor
The rating of the protective earthing conductor should be a minimum of 10
AWG.
RMX 4000 Installation
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