34 Meridian Digital Telephone IP Adapter Installation and Administration GuidePlanning for installation Standard 1.1Network considerationsRefer to the Remote Office Network Engineering Guidelines(NTP 555-8421-103) for detailed information on planning and preparing yournetwork for the addition of IP Adapter units. The Meridian Digital Telephone IPAdapter unit communicates with the host PBX using the IP network. To use theMeridian Digital Telephone IP Adapter unit in these networks, you mustconsider the issues described in this section.IP addressing and routingTo place and receive calls over the IP network, you must:! physically connect the Meridian Digital Telephone IP Adapter unit to the IPnetwork! assign a unique IP address and a subnet mask to the Meridian DigitalTelephone IP Adapter unit, unless using Dynamic Host ConfigurationProtocol (DHCP)Note: Similarly, you must assign a subnet mask, gateway, and unique IPaddress to the RLC on the host PBX.! have the ability to send and receive traffic to and from the RLC on the hostPBXDetermining DHCP Assigned IP AddressesIf you use DHCP at the remote location, determine the Remote Office Unit's IPaddress by checking the Network statistics for the RLC through ConfigurationManager. Log onto Configuration Manager, choose the RLC as the Device Type,and then access Alarms/Stats/Logs ➝ Network Statistics. Enter the Unit ID ofthe Remote Office unit that you want to review the statistics for. The DHCPassigned IP address displays at the top of the window.Note: If you are using a Network Address Translation (NAT) router at theremote location, the IP address provided is a NAT address. To access the RemoteOffice unit using Telnet, ensure that the NAT router allows Telnet access to TCPport 23, and for upgrades, TCP port 69.
