29
LDM-144LR
4.3.2 S
ELF
T
EST
In order to verify that the LDM-144LR is operating correctly, perform the
internal BERT and analog loopback tests detailed in
Section 5-2
and
Section
5-3
respectively.
4.3.3 O
PERATION
With the exception of occasional monitoring of indicators, the LDM-144LR
is operated unattended.
4.3.4 T
URNING
O
FF
P
OWER
To turn off the AC power, simply remove the AC power cable from the
AC source.
4.4 Field Settings of Jumpers and Switches
WARNING
Disconnect the AC power cord before removing the unit’s cover.
Installation, operation and maintenance of the unit should be performed
by an experienced technician.
Before re-configuring the LDM-144LR to a different operation mode, set
the board switches and jumpers to the corresponding states. Resetting of
switches and jumpers according to
Table 3-1
should be performed by an
experienced technician.
Figure 4-1. Front Panel.
PWR
RTS
TD
RD
DCD
TEST
ERR
DIG
ANA
REM
PATT
LDM-144LR
