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.