This type of port is found on the rear of IP Office control units and external expansion modules. It is used for connecting the external expansion modules to there parent IP Office control unit.
The connection between these ports should only be done using an Avaya Expansion Interconnect Cable. No other cable type should be used.
•Each external expansion module is supplied with a blue 1 meter (3'3'') expansion interconnect cable. This cable must be used when connecting to expansion ports on the rear of a control unit.
Expansion Interconnect Cable
The Expansion Interconnect cable is used to link expansion ports between the IP Office control unit and external expansion modules.
•Supply: One cable is normally supplied with each external expansion module.
•SAP Code: 1m (3'3") Blue cable - 700213457, 2m (6'6") Yellow cable - 700472871.