
MERLIN LEGEND Communications System Release 6.1 | Issue 1 |
Network Reference | August 1998 |
2 |
|
Network Configuration Scenarios | Page |
|
|
organizational needs and overall feature planning. This scenario also illustrates the way systems work when they are connected by tandem tie trunks only.
■Scenario 3: Four Systems in a Series, Tandem PRI Facilities, page 57. In this scenario, there is no hub system. Instead the systems are connected in a linear fashion. Three systems are joined by tandem PRI facilities. A fourth system is connected to one of the others by analog (E&M) tandem tie trunks. One of the systems has its own VMS/AA and the other three share a centralized VMS/AA. The system with the centralized VMS/AA is also called the VMS hub. (Release 6.1 or later is required for all systems sharing the centralized VMS/AA.)
■Scenario 4: Four Systems in a Star, Mixed Facilities, page 74. In this scenario, one system acts as the hub and has
■Scenario 5: Large System Hub, page 88. In this scenario, two MERLIN LEGEND Communications Systems are linked to a hub DEFINITY ECS or DEFINITY ProLogix Solutions system in a star configuration. Because this star configuration has a DEFINITY ECS or DEFINITY ProLogix Solutions system as the hub, it is not possible to configure a centralized VMS/AA.
NOTE:
DEFINITY ECS and DEFINITY ProLogix Solutions features and operations are beyond the scope of this guide. Scenario 5 discusses the private network from the MERLIN LEGEND Communications Systems perspective.
The scenarios vary according to the types of tandem trunks, applications, outside facilities, and private network configuration (series or star). They compare and contrast the following aspects of private networks, supplying both usage and setup information:
■Intersystem
■ARS routing and calling via PSTN trunks connected to a remote networked system
■ARS routing and usage when local PSTN trunks are accessed by
■Remote access planning for