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You must install an MDA into the 8672 ATM modules in order to have connectivity. The module contains two slots for MDAs. You can install one or two of the following MDAs:
The management system identifies an interface by its slot number (in the 8000 Series chassis) and its port number, using the syntax slot number/port number
(s/p). The 8672 ATM modules can contain up to eight ports when two 4-port MDAs are inserted. Port numbers 1 to 4 are reserved for the MDA in the left slot regardless of the actual physical number of ports. Port numbers 5 to 8 apply to the MDA in the right slot regardless of the actual physical number of ports.
For example, if you have an 8672 ATM module in the third slot of the 8000 Series chassis with an OC-12c/STM-4 MDA in the left slot and an OC-3c/STM-1 MDA in the right slot, the following slot/port numbers are used for management and configuration:
As another example of port numbering, an 8672 ATM module in the second slot of the chassis with two OC-12c/STM-4 MDAs installed has the following port numbers:
An 8672 ATM module with two OC-3c/STM-1 MDAs installed has ports numbered consecutively 1 through 8, from left to right.
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