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