4. The 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
(for 128 stations)
BX-620
Terminal board (for 128 stations)
BX-620
The cables between the
exchanges (4 wires x 8 links)
YR-810
for stations
"Exchange A"
BX-620 T1
YR-801
for Tie-line
YR-810
for stations
YR-801
for Tie-line
The cables between the
exchanges (4 wires x 8 links)
YR-810
for stations
"Exchange B"
BX-620 T1
YR-801
for Tie-line
YR-801
for tie-line
— 7 —
YR-810
for stations
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