Type of remote port associated with the circuit. Examples of some
   possible types might include: CIMNA, KFMSA, SHAC, SII, BVPSSP (a
   BVP storage systems port), CI780, CI750, CIBCA-A and CIBCA-B, RF
   and TF devices (for example RF73 or TF85), HSC devices (for example,
   HSC65 or HSC90), Ethernet, PASSTH (port is in passthrough mode),
   and so on.