17.12.3 Examples
The following examples refer to a LAN with 8 “Perimeter” units connected.
Example 1
• Situation: unit 4 disconnected from all the others.
• Units signalling the LAN disconnected alarm: 1 and 4 (if powered and working).
Example 2
• Situation: unit 1 disconnected from all the other “Perimeter” units.
• Units signalling the LAN disconnected alarm: 1 (if powered and working) and 2.
Example 3
• Situation: “Perimeter” unit 8 disconnected from all the others units.
• Units signalling the LAN disconnected alarm: 7 and 8 (if powered and working).