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Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
4E-FMWB installation and user guide
4.2.1. Network ports
4E-FMWB offers 2 L-Net ports (RJ-45) for network connections to the 4EVAC main unit and distributed
parts of the 4EVAC Voice Evacuation System. Both L-Net ports are equal, therefore there is no difference
which port is connected to which side of L-Net daisy-chain.
4.2.2. Network cabling
The 4EVAC network features a full duplex RS-422 data link and 24V DC power to remote devices.
If you're building a distributed system using the 4EVAC network, you should make physical links between
devices using the right cables. The cabling should meet the following requirements:
1.
A crossover twisted-pair cable (compatible with Ethernet crossover)
Page 7 of 17
Internal view of 4E-FMWB – L-Net ports
Author:
DD
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