5. The Example of connection of EX-620 exchange
"Exchange A"
for stations
"Exchange | B" |
| |
Terminal board | Terminal Board |
for stations
Terminal board
for stations
"Exchange C"
The cables between the exchanges (4 wires × 4 links)
The cables between the exchanges (4 wires x 4 links)
| The cables between the exchanges (4 wires x 4 links) |
|
"Exchange A" | "Exchange B" | "Exchange C" |
— 10 —