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17-121/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
Configuring SVC Parameters
Configuring SVC Attributes
Override Default (for 
reverse signaling)
Select the check box to override the default TD for 
reverse signaling. You can then select a different TD.
Remove the check from the box to use the default 
Traffic Descriptor for reverse signaling. You will not be 
able to select a different traffic descriptor.
Reverse: PMP Rev, Unsp 
CBR
Choose a TD for reverse signaling. This field is enabled 
only if you selected the Override Default check box (for 
reverse signaling).
VPCI/VPI Mapping
VPI=VPCI  Sets mapping to equal. The VPI equals the VPCI.
VPI=VPCI+ Sets mapping to positive offset. Text box allows entry 
of integer offset. The VPI of the corresponding circuit 
equals the VPCI plus the value you enter.
VPI=VPCI- Sets mapping to negative offset. Text box allows entry 
of integer offset. The VPI of the corresponding circuit 
equals the VPCI minus the value you enter.
Table Sets mapping to VPCI entry from the VPCI table for 
the LPort. This option has additional functions that are 
used with Proxy Signaling. For information on 
configuring the VPCI table, see “Configuring a 
Management VPCI Table Entry” on page 17-16.
Proxy Signaling
Enable Select the check box to enable proxy signaling for the 
SVC.
Proxy Client 
(for ATM UNI only)
Choose this button to use the proxy agent for signaling. 
Use Proxy Agent on LPort  Enter the LPort to use as a proxy agent by choosing the 
following button:
Then, select an LPort from the list displayed.
Agent Node Id The ID of the switch to be used as the proxy signaling 
agent.
Agent Interface Number The agent interface number assigned to the proxy 
signaling agent.
Table 17-3. Configure SVC: Signaling Tab Fields (Continued)
Field Description