Meridian Digital Telephone IP Adapter Installation and Administration Guide 91
October 2001 Changing configuration settings using Configuration Manager
RLC connection configuration
This section shows you how to change the RLC connection information needed
by the Meridian Digital Telephone IP Adapter unit to establish connections with
the RLC on the host PBX.

Getting there 911x ➝Configuration Manager ➝RLC Connection Configuration

RLC Connection Configuration property sheet