User`s guide
2-4 DL600E E1 Data Multiplexer UserÕs Guide
About the Power Supply
The DL600E unit can operate on either AC and DC power supplies.
When the unit is ordered AC or DC must be speciÞed.
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AC powerÑThe DL600E unit can be powered from 100 to
240V AC, 50-60 Hz.
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DC powerÑThe DL600E unit operates on -48VDC to -72VDC
sources. The respective DC leads must not be crossed.
Instructions for both installing the DL600E unit for
AC power and
installing the DL600E unit for
DC power are explained later in this
chapter.
Installing the DL600E in a 19Ó or 23Ó Rack
The DL600E unit can be installed in either a 19Ó or 23Ó rack. The
installation brackets are also reversible to Þt a 23Ó rack.
Installing the DL600E Unit Using AC Power
Install the DL600E unit using AC power by inserting the AC power cable
into the
AC power receptacle on the rear panel of the DL600E unit as
shown in
Figure 2-1. Insert the other end into an AC outlet.
Figure 2-1 DL600E Rear Panel Showing Power Connections
The LEDs on the front panel ßash as the DL600E unit automatically runs
a
Self Test at power up. The PWR/TEST LED blinks yellow and turns
green when the test is successful. If the test fails, the
LED turns red for
ten seconds and then green.
F
U
S
E
F
U
S
E
T1.0A
FUSE
POWER 100-240V~50-60Hz MAX 1.0A
DC
POWER
-40 - 72VDC, 1.0A
ALARM
IN RTN OUT
-+
CAUTION:
TO PROTECT AGAINST RISK OF FIRE REPLACE
ONLY WITH SAME TYPE AND RATING OF FUSE, THIS
EQUIPMENT TO BE INSTALLED BY SERVICE PERSONNEL
COMM EXT CLOCK
DATA 1
DATA 2
DATA 3