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7·6
7-7 Wiring method for adding a communication station
[1] Branching method
When branching a line for an additional station, be sure to branch from the trunk using a T connector.
Never branch from a branch line.
[2] Station number of the additional station
Station number of the newly added station should be next largest number from the current largest
numbered station. Each station should not be required to be arranged in order of each station’s
number.
Station number
0 3
(8)
Station number
0 6
(8)
Station number
0 6
(8)
Station number
0 2
(8)
Station number
0 2
(8)
Addition
means the termination resistance switch being turned “ON.”
Sequential number
Station number
0 2
(8)
Station number
0 3
(8)
Station number
0 3
(8)
Trunk
cable
Trunk
cable
Branch
line
Addition
Junction
Branch line
(8)
(8)
(8)(8)
(8)
(8)
8
8
88
8
8
8