Zhone 2004 ユーザーガイド

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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. Refer to 
Peak Cell Rate (PCR) Considerations and Recommendations on 
page C-1.
Modify Existing PVC
1
Type “2” on the ATM PVC Configuration menu (Figure 4.7). 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 4.8).
Select the encapsulation you want to assign to this PVC in accordance with 
the following paragraphs.
 AAL5 or AAL0
1
Type “1” on the ATM Encapsulation Configuration menu (Figure 4.8) to 
select AAL5, or “2” to select AAL0 encapsulation. The IAD displays the 
ATM Service Category Configuration menu (Figure 4.9).
2
Type “1” to select CBR for high priority data
− or −
Type “2” to select UBR for low priority data. The IAD displays the Peak 
Cell Rate Configuration menu (Figure 4.10).
3
Type the PCR value or press Enter to set the PCR to the maximum rate for 
the current line speed. The IAD saves the configuration and displays the 
ATM PVC Configuration menu.