Represents possible MG connection modes.
invalid - Invalid value for mode
sendOnly - The GW should only send packets
recvOnly - The GW should only receive packets
sendRecv - The GW can send and receive packets
inActive - The GW should neither send nor receive
packets
loopBack - The GW should place the circuit in loopback
mode
contTest - The GW should place the circuit in test mode
data - The GW should use the circuit for network
access for data
netwLoop - The GW should place the connection in
network loopback mode
netwTest - The GW should place the connection in
network continuity test mode
conference - The GW should place the connection in
conference mode.