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DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration
555-233-124
Issue 1
April 2000
Administering ATM-PNC and ATM-CES
5-11Administering DEFINITY ECS
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software makes the ATM board appear as if it does. This concept is depicted in
Figure 3-1
. Multiple TN2305/TN2306 circuit packs in a port network could
connect to different ATM switches.
Figure 5-1. DEFINITY signaling groups and members for ATM trunking
■ Each of the 248 ports in the ATM trunk group are either B-channels or
D-channels.
■ Each B-channel has an associated maintenance object with a very simple
maintenance strategy. This is done so that any of the virtual ports on a
single ATM interface circuit pack can be members of different trunk
groups. When a trunk group is busied out, only those ports in that trunk
group are taken out of service. Because all ports associated with a single
D-channel follow the same PVC, you cannot test them individually.
Figure Notes
1. DEFINITY ECS PPN or EPN
2. TN2305/TN2306 circuit pack in
any port
3. Signaling groups (maximum 8)
4. Ports
24 maximum (T1), including D-channel
31 maximum (E1), including D-channel
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cydaces LJK 111199
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