Avaya BCM50 Hardware Installation Manual page 32

BCM50 Hardware & Installation
 Plug the other end of the expansion cable into one of the expansion
ports on the BCM50 Main Unit
The LAN port on the BCM50 Expansion Unit is connected to the internal
ethernet switch on the BCM50 Main Unit. You can use the BCM50
Expansion Unit LAN port to connect an additional device to the LAN
The expansion port you select determines the line and extension numbers
of the devices connected to the BCM50 Expansion Unit.
32 NN40011-002 Issue 1.2 BCM50 Rls 6.0