Datacom DM4270, Руководство по установке

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DM4270 – Installation Guide DM4270 Installation
204.4331.03 - October/2019 33
Figure 30 – Inserting the PSU 400 into the DM4270 24XS+2CX
Each PSU slot has an independent power input; the PSUs 400 have a
front power supply. The equipment will only power on if there is at least
one PSU that is properly powered.
4.8 C
HECKING THE PRODUCT
’
S OPERATION
Considering that the DM4270 was installed according to the guidelines in this guide, the
steps below indicate whether the equipment is operating normally.
Step 1

Immediately after the unit is powered by either of the power
inputs, the power-on PSU PWR indicator will light up.
Step 2

After the startup has finished, observe the ALARM/FAIL indicator:
 OFF: indicates that the equipment has been initialized and
is operating correctly.
 RED ON (FAIL): indicates that the equipment has
encountered an internal failure. Technical Support must
be contacted.
 YELLOW/AMBER ON (ALARM): indicates that the
equipment has been initialized correctly, but an alarm is
enabled. If you have any questions, please contact
Technical Support .
Table 17 – Checking DM4270 operation
Once the startup process has been successfully completed, the operator must configure
the equipment management as indicated in the
Logging in for First Time section.