4. Example of connection of two EX-630 exchanges
"Exchange A"
Terminal board (for 128 stations)
Terminal board (for 128 stations)
"Exchange B"
EX-630
BX-620
BX-620
EX-630
YR-810
for stations
YR-801
for Tie-line
(for 128 stations)
BX-620
The cables between the
exchanges (4 wires x 8 links)
Terminal board (for 128 stations)
BX-620
YR-801
for Tie-line
YR-810
for stations
The cables between the
exchanges (4 wires x 8 links)
YR-810
for stations
"Exchange B"
BX-620 T1
"Exchange A"
BX-620 T1
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