Polycom RMX 4000 Hardware Guide
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5Connect 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.
6Replace the transparent plastic cap on the terminal block.
7Turn 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.