CalAmp 882?EVDO?XXX User Manual

Contents

CalAmp 882?EVDO?XXX User Manual Manual pdf 45 page image

Page 45 of 62Incoming Friendly IP Address:This specifies a remote IP address that is allowed to access the modem. A wildcard IP address of0.0.0.0 allows all remote IP address to access the modem.Incoming Port:Sets the port number used to forward incoming traffic to the serial port. Inbound traffic with thisport will be forwarded to the serial port in client mode.Outgoing Port:Sets the port number used to send outbound traffic from the serial port. These will be packetizedand sent to an external IP address and the port number specified.PAD Mode:Select buttons to set the PAD mode of the modem as a Server or Client.Server mode waits for inbound TCP connections from remote client or UDP data being sent to theexternal modem’s IP address. For example, server mode can be used for mobile termination calls.When in server mode, it is possible for the connected serial device to make an outbound TCP or UDPconnection when an AT Command is issued (remote IP address: port number, e.g.ATD*166.23.42.10:5000).Client mode keeps an always-on TCP connection to a remote server or sends all UDP to the IPaddress and port number specified. For example, client mode can be used for mobile originationcalls.Pad Protocol:Sets the data protocol of the PAD to TCP or UDP data. If you have set PAD Mode as server youcan choose either to support either type of data packets.TCP Client Keep Alive:When in client mode and enabled, TCP Keep Alive packets will be sent from the client to the serverperiodically in order to detect a broken connection. The modem will automatically try to re-establishthe connection if necessary. Changing this setting will affect the use of TCP Keep Alive on the nextclient session. It will not affect an existing session.TCP Client Keep Alive Time:Time in seconds between keep alive cycles. A keep alive cycle will consist of one or more keep aliveprobes separated by the keep alive interval. If a keep alive time has no response the unit will sendprobes.TCP Client Keep Alive Probes:Number of keep alive packets that must fail before connection is considered closed.TCP Client Keep Alive Intvl:Time in seconds after which a keep alive packet is considered to be failed (if not acknowledged).Another packet is sent at this time if TCP Client Keep Alive Probes limit has not been reached.Server Session Closed On:This is only available if PAD mode is Server. This option selects under which conditions the serverwill terminate an established connection. (If the termination of the TCP current connection was notreceived properly by the modem then the connection will hang until the modem reboots or one ofthe two below methods is invoked.)New Client: If a different client attempts to connect, it will be successful and the current clientwill be forcibly disconnected, without any warning.