ADTRAN NetVanta 1224 Instrukcja Użytkownika Strona 70

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Total Access 1224 Quad T1 IMA 24-Port DSLAM Installation and Maintenance Practice
5-20 61179621L1-5C
Service This field identifies ATM Traffic Class. There are four service
options (Traffic Descriptors) available for the Total Access 1224
system:
•UBR
•CBR
•VBR-rt
•VBR-nrt
The options available for each service and their descriptions are
shown in Table 5-8.
Circuit ID This field displays the identifier given to a specific circuit. This
is a user defined value.
Pkt Discard This field displays the status of packet discard: Enabled or
Disabled.
Table 5-8. PVC/PVP Service Options
Service Description T1 Settings E1 Settings
UBR Unspecified bit rate
CBR
•PCR
Constant bit rate
Peak Cell Rate
0-14488 0-19316
VBR-rt
•PCR
•SCR
•MBS
Variable bit rate real time
Peak Cell Rate
Sustained Cell Rate
•Maximum Burst Size
0-14488
0-14488
0-65535
0-19316
0-19316
0-65535
VBR-nrt
•PCR
•SCR
•MBS
Variable bit rate non-real time
Peak Cell Rate
Sustained Cell Rate
•Maximum Burst Size
0-14488
0-14488
0-65535
0-19316
0-19316
0-65535
Table 5-7. Create a New PVC/PVP Screen Fields (Continued)
Field Description
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