Ericsson Radio Systems AB PKRC1311004-1 Manual De Usuario

Unit Description, dTRU

7.3

External Interfaces

P007454A

dTRU

View of backplane

Power connector

Y-link/-TX

control bus

Figure 67

dTRU, front panel and backplane

The dTRU has the following external interfaces:

•

CDU-TX control bus, IOM bus

•

IOM bus, LEDs and buttons interface

•

RX (front)

•

TX (front)

•

Y-link

7.3.1

Indicators and Buttons

On the front panel there are five indicators (see the following table) and
two buttons, one for TRU Reset, and the other for Local/remote mode
change.

EN/LZT 720 0008

R1A

2001-06-26

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