Networking Solutions
6
1
2
?
3
5
4 | 4 |
7
10
8
9
8
4
1) | DEFINITY ECS | 6) | Private ISDN |
2) | DEFINITY ECS | 7) | Public ISDN |
3) | DEFINITY ECS | 8) | Public and Private Networks |
4) | Basic Rate Interface Telephone | 9) | Central Office Switch |
5) | Passive Bus | 10) | Tandem Switch |