Zhone 2208 用户指南

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4-21
Figure 4.26
ATM Peak Cell Rate (PCR) Configuration Menu 
6
Type the value for the Peak Cell Rate. The IAD saves the configuration and 
displays the PVC Configuration menu where you may continue with other 
PVC management tasks.
NOTICE: 
Do not use “0” for Voice PVC because “0” will use all available 
bandwidth, including CBR bandwidth that is not being used. Do not 
oversubscribe available PCR. Use “0” for only one (1) PVC. 
Modify Existing PVC
1
Type “2” on the ATM PVC Configuration menu (Figure 4.23). The IAD 
displays the following port table, and prompts you to select the appropriate 
port.
2
Type the port number and press Enter.The IAD prompts you to enter the 
VPI:
3
Type a VPI value between 0 and 255 (default 0) and press Enter. The IAD 
then prompts you to enter the VCI:
4
Type a VCI value between 32 and 65535 (the default is 38 for data and 39 
for voice) and press Enter. The IAD displays the ATM Encapsulation 
Configuration menu (Figure 4.24).
Select the encapsulation you want to assign to this PVC in accordance with 
the following paragraphs.