Chapter 9 Line Interface Boards
9.13 RAC-PIU-04UE1-75
Overview
RAC-PIU-04UE1-75 board provides the following functions:
l
Provides four unchannelized E1 (75 ohm) interfaces.
l
Restores the line clock and providing it to an MPFU board for reference.
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-04UE1-75 board, see
.
Figure 9-13 Front Panel of the RAC-PIU-04UE1-75 Board
Interface Property
The RAC-PIU-04UE1-75 board provides micro coaxial interfaces, and it only supports 75
ohm non-balanced E1 interfaces. For a description of the interface properties, refer to
Table 9-37 Interface Properties of the RAC-PIU-04UE1-75 Board
Property
Description
Connector type
Micro coaxial
Operational mode
Full duplex
Applied standard
G.703, G.704
Supported link protocol
PPP, ML-PPP,
,
Supported network
protocol
Indicators
For a description of the indicators of the RAC-PIU-04UE1-75 board, refer to
Table 9-38 Description of the Indicators on the Panel of the RAC-PIU-04UE1-75 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.
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