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Configuring X.25
Always On/Dynamic ISDN (AO/DI)
MAX 6000/3000 Network Configuration Guide 6-37
• Net/BRI > Line Config > Line profile > Pri Num parameter
• Net/BRI > Line Config > Line profile > Sec Num parameter
Note: If you do not specify a value for the B Ch # parameter, you must specify a phone
number for every B-channel that the MAX can use for additional AO/DI bandwidth.
When ALU for the connection drops below the value specified in the Target Util parameter for
the amount of seconds specified in the Sub Pers parameter, the MAX disconnects the switched
channel and data traffic flows again by way of the X.25 connection.
Configuring an AO/DI connection
Configuring an AO/DI connection consists of the following steps:
• Create an X.25 profile that defines the X.25 connection.
• Configure the Answer profile to enable BACP and MP support.
• Create a Connection profile for each AO/DI connection.
Note: For more complete information about each of the X.25 and BACP parameters, see the
MAX Reference.
Configuring the X.25 profile
To configure the MAX to support the X.25 connection:
1 Open Ethernet > X25 > X25 profile.
2 Set Name to a descriptive name for the X.25 link.
3 Set Active to Yes.
4 Set TEI to the value specified by your X.25 carrier.
You can set TEI to any value from 0 to 63. The default value is 21.
Note: Not all carriers support a value of 0 which specifies that the Lucent unit requests
automatic TEI assignment from the network.
5 Set Call Type as follows:
– Call Type=D-Channel if X.25 services are by way of the D-channel.
– Call Type=Nailed if X.25 services are by way of either a B-channel or the leased-56k
line.
6 Set X.25 highest SVC as specified by your carrier.
7 Set X.25 lowest SVC as specified by your carrier.
8 Set X.121 src addr to the number that the MAX sends when establishing the X.25
connection with the remote device. Contact your carrier for the correct value.
9 Set any remaining X.25 parameters as your carrier specifies.
10 Exit the profile and, at the exit prompt, select the exit and accept option.