Vizio CPU-56 - Manual (Page 12)

3. The Example of connection of 2 EX-520 exchanges
(YR-801 must be connected to J15 for EX-520 exchange or to J7
for EX-510 Exchange
Terminal board Terminal board
BOX-064X2 BOX-064X2
YR-801 for stations YR-801 for stations
Exchange A
Exchange B
YR-801 for
tie-line
The cables between
the exchanges
YR-801 for
tie-line YR-80l:Junction cable
Exchange A
BOX-064 J7
Exchange B
BOX-064 J7
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