Beta Draft Confidential
17-461/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
Configuring SVC Parameters
Configuring SVC Port Prefixes
3. As you enter the address, the value in the Bit Length field changes to indicate the
number of address bits checked during call screening and call routing. (The value
increases by eight with each pair of address digits you type). Click the another
radio button in the Bit Length field to decrease the number of address bits
checked, thereby enabling the node to perform call screening and call routing
down to the bit level. You can decrease the value by 1-7 bits.
For example, if you enter the partial E.164 AESA address 45-00000504 (which
uses 40 bits) as the port prefix, but only need to check the first 38 bits of the port
prefix for call screening and call routing (because the last two binary digits are
00), then click the 38 radio button in the Bit Length field.
4. If the port provides a network-to-network connection, see “Setting the Local and
Remote Gateway Address for Port Prefixes” on page 17-49 for instructions. When
done, proceed to step 5.
5. See Table 17-12 on page 17-53 to configure additional port prefix options.
6. Choose OK to save this port prefix and close the Add SVC Port Prefix dialog box.
Address you entered:
Address in binary (40 bits):
45-00000504
01000101-00000000000000000000010100000100
Address in binary (38 bits): 01000101-000000000000000000000101000001
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