1-2. VRF network system
¢ Definition
VRF network
VRF network means global VRF network.
Network segment (NS)
Network segment (NS) means each networks shut off by Signal amplifier.
Network segments mean divided block which has been connected with Signal amplifier within
conditions that required Signal amplifier.
When a Signal amplifier is installed, network is divided into two network segments.
Unit
Unit means that forward transmission in network segment.
Terminal resistor
Terminal resistor means resistor should set in network segment.
¢
Overview
• VRF network system should keep both of number of unit and wiring length. When system exceeds
either number of unit or wiring length, the system should be divided.
• Different VRF series may not coexist within the same network.
1 2 3 4 5 6 25
1 2 3 4
1 2 3
1 2 3 4 5 62
4
62
62
64
64
64
63
63
63
34
26 27 28 29 30 31 32 33
Network
segment 1
Transmission cable: within 500 m
64 units
Signal
amplifier
Network
segment 2
Network
segment 3
Network
segment 4
64 units
64 units
Signal
amplifier
Signal
amplifier
1-2. VRF network system - (06-4) - 1. System design
SYSTEM
DESIGN
SYSTEM
DESIGN
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