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Polycom RMX 4000 Hardware Guide
1-19
5 Connect the green or green-yellow wire to the system single-point
M6x15 “Ground” bolt.
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 Power Rail Modules.
Types of DC Circuit Breakers installed on the
RMX 4000
On the RMX, 2 types of circuit breakers may be installed:
• ON/OFF circuit breaker - Type A
• ON/OFF circuit breaker with locking mechanism - Type B
Table 1-8 Circuit Breaker Types
Type A Type B
The rating of the protective earthing conductor should be a minimum of 10AWG.