3Com 3C63400-3AC-C - PathBuilder S700 Switch, Справочное руководство

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Configuring DS1 UNI or E1 UNI with IMA Modules 141
Figure 102 Add Group Menu (Adding IMA Group)
6 Select [1] Set Admin. Port(s) . The following prompt appears:
Enter Admin Port(s) (1..4):
7 Enter the port numbers for the DS1/E1 ports you want to include in the group.
You can use a hyphen to indicate a range of ports. For example, to include ports
1-3 in a group you could enter
1-3
.
8 Set the following parameters to configure the IMA group:
Frame Length —The frame length: 32, 64, 128, 256.
Max. Link Delay —The maximum link differential delay allowed in the group: 0 to
70 msec for DS1, 0 to 56 msec for E1
Min Tx/Rx Startup Ports —The minimum number of ports in the group that must
be operational in order for the group to come up: 1 to n , where n is the number of
ports in the group.
Min Tx/Rx Oper. Ports —The minimum number of ports in the group that must
be operational in order for the group to come up and be operational: 1 to n ,
where n is the number of ports in the group.
IMA ID —A user-selected number to identify the IMA group.
Test Link —The port number of the link that is to perform the test procedure.
Test Pattern —The pattern to be looped back in the test procedure: 0-254 .
Test Procedure —Enables or disables the test procedure. When the test procedure
is enabled, the test pattern is sent out on the designated test link and then looped
back on the other links in the group.
Admin Status —The administrative status of the group: In Service or Out of
Service .
Number of VPI for VCC —The number of distinct VPIs that can be used for VCCs
on this card: 1-32 . Any VPIs not currently in use by VCCs are available for VPCs.
9 Select [12] Previous Menu .
10 If desired, repeat steps 5-8 to set up another IMA group.