Reference Manual

Table Of Contents
Unit Description, dTRU
7.3 External Interfaces
P007454A
d
T
R
U
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 ve 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
127 (421)
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