E120 Router and E320 Router

Use the slot/adapter/port format to identify unchannelized SONET/SDH interfaces.

Note: The E120 router and the E320 router do not support path channelization.

• slot—Number of the slot in which the line module resides in the chassis.

  In the E120 router, line module slots are numbered 0–5. In the E320 router, line module slots are numbered 0–5 and 11–16. For both routers, slots 6 and 7 are reserved for SRP modules; slots 8–10 are reserved for switch fabric modules (SFMs).

• adapter—number of the bay in which the I/O adapter (IOA) resides.

  This identifier applies to the E120 and E320 routers only. In the software, adapter 0 identifies the right IOA bay (E120 router) and the upper IOA bay (E320 router); adapter 1 identifies the left IOA bay (E120 router) and the lower IOA bay (E320 router).

• port—Number of the port on the IOA.

For information about installing line modules and IOAs in the E120 and E320 routers, see E120 and E320 Hardware Guide, Chapter 4, Installing Modules.

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