Chapter 9 Line Interface Boards
a maximum rate of 4.096 Mbps. The X.21 interface supports a maximum rate of
48 Kbps.
à
Asynchronous data transmission mode supports the RS232 interface that
supports a maximum rate of 115.2 Kbps.
l
Supports the processing of various services, such as
and
l
Supports hot swapping.
l
Supports board information query and temperature monitoring.
Panel
For the panel of the RAC-PIU-04HS board, see
.
Figure 9-10 Front Panel of the RAC-PIU-04HS Board
Interface Property
For a description of the interface properties, refer to
.
Table 9-28 Interface Properties of the RAC-PIU-04HS Board
Property
Description
Connector type
DB50
Operational mode
Asynchronous or synchronous
Applied standard
V.24, V.35, X.21 or RS232
Supported link protocol
or FR
Supported network
protocol
Indicators
For a description of the indicators of the RAC-PIU-04HS board, refer to
.
Table 9-29 Description of the Indicators on the Panel of the RAC-PIU-04HS Board
Indicator
Color
Description
RUN
Green
The indicator is lit when the board is operating properly.
ALM
Red
The indicator is lit if the board produces an alarm.
LNK1–LNK4
Green
The indicator is lit when the link is operating properly, and is
not lit when the link is idle.
Technical Parameters
For the technical parameters of the RAC-PIU-04HS board, refer to
.
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