756 CHAPTER 18: NBX S UPPORTAnalog Terminal Adapter and Analog Terminal CardEach Analog Terminal Adapter (ATA) port is represented individually onthe map.The icon used for the ATA port depends on whether the port is connectedto a phone or a fax.For a 4-port Analog Terminal Card, each port uses a separate icon.NBX Phones and Attendant Consoles3Com Network Director detects all types of NBX phones, as well asattendant consoles.NBX Applications3Com Network Director also detects PCs running the pcXset (softphoneclient) and ConneXtions (H.323 Gateway) applications.How 3Com NetworkDirector Monitors thePhone Network3Com Network Director monitors the phone network in different ways:■ NBX Call Processor: Whenever the NBX Call Processor becomesunavailable, this affects the whole phone network; all phones on themap become red, showing high stress, and a critical event is loggedlisting all the equipment affected. In addition, 3Com Network Directorregularly polls the NBX Call Processor to check the status of thephones on the network. Whenever the status of a phone becomesoffline, the phone becomes red on the map, indicating high stress,and a high severity event is logged against the phone.■ IP Phones: 3Com Network Director checks the availability of IP phonesusing the IP Ping Service monitor. Whenever the phone stopsresponding, it becomes red on the map, indicating high stress, and ahigh severity event is logged against the phone.■ Network Stress: Whenever an event that could impact the NBX systemis logged the details for the event warn you of the devices that may beaffected.
