Filter
Top Products
DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration
555-233-124
Issue 1
April 2000
Troubleshooting
6-44Troubleshooting ATM-PNC
6
ATM-PNC configuration in which Inverse Multiplexing for ATM (IMA) is used
going into and coming out of the network cloud.
Figure 6-4. Bandwidth-constricted ATM network configuration
In this configuration connections from the DEFINITY ECS switch and the ATM
backbone switch and to the ATM access concentrator are OC-3/STM-1 through
the TN2305/TN2306 ATM interface circuit packs over fiber optic cable. When
traffic exceeds the capacities of the IMA links, contention for access to the ATM
Figure Notes
1. DEFINITY ECS PPN
2. DEFINITY ECS Expansion Port Network (EPN)
3. OC-3/STM-1 connection
4. ATM switch A
5. ATM switch B
6. DEFINITY ECS access terminal
7. IMA connection
8. ATM network
9. Access concentrator
10. DEFINITY ECS EPN
1
2
3
3
6
7 7
8
9
4
5
cydaband LJK 020100
10