Installation
INTER-TEL
®
AXXESS
®
MANUAL VERSION 11.0 – May 2008
Page
3-240
CT Gateway/Transceiver
20. CT GATEWAY/TRANSCEIVER
20.1 System OAI Level 2 applications can be used in conjunction with the CT Gateway/
Transceiver.
• The CT Gateway provides a TCP/IP System OAI interface that supports a multi-node
phone network. Each node in a phone network functions individually, as far as the Sys-
tem OAI streams are concerned. In other words, you cannot program a System OAI
serial port on Node 1 that controls devices or receive events for other nodes. If you need
to control devices on multiple nodes, you must install a CT Gateway. The CT Gateway
receives the OAI streams from multiple nodes and consolidates them into a single
stream for a System OAI application. The Gateway sends and receives all of its data via
TCP/IP connections. (At this time, each application requires a separate Gateway.)
NOTE: System version 9.1 or later requires CT Gateway version 4.30x or later.
• The Transceivers provide an interface between RS232 and TCP/IP. Because the CT
Gateway only supports TCP/IP, and system serial ports and older System OAI applica-
tions communicate with RS232, a Transceiver is needed to translate the data protocol.
Because Transceivers can be located on separate PCs, they allow the Gateway to com-
municate with multiple system nodes, regardless of the number of serial ports available
on the Gateway PC and regardless of the distance between the nodes and the CT Gate-
way. Inter-Tel provides two different Transceivers: the Switch Transceiver and the
Application Transceiver, part numbers 827.9000 and 827.9001 respectively.
— The Switch Transceiver provides the interface between the system serial ports and
TCP/IP.
— The Application Transceiver provides the interface between System OAI applica-
tion serial ports and TCP/IP.
NOTE: System versions 6.0 and later do not support System OAI Level 1.
20.2 For more information about the CT Gateway and its Transceivers, see the CT Gateway
Installation Manual.
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