Alarms, Errors, and Troubleshooting
555-233-143
4-54 Issue 1 May 2002
Figure 4-33. A500: show switch circuit table screen
■ The pp UBR virtual circuits between A500 ports A1.1 (PPN) and Self
(A500) and between A1.2 (EPN) and Self (A500) are ATM signaling
channels between the port network and the A500.
■ They are used to request connection setups and releases to other
endpoints such as another port network.
■ These are established by each TN230X when it comes up, independent of
S8700 Multi-Connect call processing.
■ Other UBR virtual circuits may exist between A500 ports that are not
associated with S8700 Multi-Connect port networks and may be signaling
channels for other applications (for example, data network traffic).
CaPro Layer
Are control channels being established from the PPN to an EPN?
Diagnostics
■ Do you get a dial tone from a set on the EPN in question?
■ Can you ring a set on this EPN dialing from the PPN, and vice versa?
A500:show switch circuit table
_______________________________________________________
| Input | Output | Connection |
| port vpi vci| port vpi vci| type class parameters |
|______________|______________|_________________________|
A1.1 0 5 Self 0 1 pp UBR ppd on
A1.1 0 32 A1.2 0 32 pp VBRnrt pcr=5729 /scr=5729 /mbs=17187
A1.1 0 35 A1.2 0 35 pmp CBR pcr=173
A1.2 0 5 Self 0 2 pp UBR ppd on
A1.2 0 32 A1.1 0 32 pp VBRnrt pcr=5729 /scr=5729 /mbs=17187
A1.2 0 34 A1.1 0 34 pmp CBR pcr=173
Self 0 1 A1.1 0 5 pp UBR ppd on
Self 0 2 A1.2 0 5 pp UBR ppd on
_________________________________________________________
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