5
TeLINK is a device similar in appearance to an external modem. It
can be placed on a desktop or inside a standard NEMA enclosure. It
consists of an electronic control module with a PCMCIA-Type II
modem card and power supply. The modem card and power supply
can be purchased with the module or separately. The module is
equipped with specialized software that enables it to perform its
communication tasks.
TeLINK can dial into or receive calls from another TeLINK, Auto-
dial Gateways I, II, and III, and it can dial into and connect with a
Network Access Module (NAM).
The control module is shown in Figure 2 on the following page. It
has the following features:
•
LED indicators for processor status, CCN communication status,
and modem status
•
RS-485 serial communication port for CCN connection
•
PCMCIA Type II card modem connector
•
Network Service Tool connector
The CCN connector must be connected to a primary CCN Commu-
nication Bus (Bus 0).
A TeLINK’s address on its CCN Communication Bus must have a
system element number within the range of 1 to 63. This limitation
is imposed by its operating software. The TeLINK’s default address
is Bus # 0, Element # 50.
There are three LEDs on the front of the control module that indi-
cate system status. They are described in the following table.
LED
Indicates
Red
Control module status
Green
Modem status
Yellow
Data transmission status
Operating
Characteristics
Control Module
LED Indicators
Содержание TeLINK
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