Titan UMAP 2110, Руководство по установке оборудования и инструкция пользователя

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3
—
Troubleshooting the UMAP 2110
3.1 Introduction to Troubleshooting
This chapter describes instructions for the UMAP 2110 system problems. These procedures may
require the presence of technicians at remote UMAP 2110 system sites and plus an operator at PC to
monitor system alarms by console or EMS during maintenance.
3.2 Resolving Problems Indicated Through LEDs
This section describes what to do to solve problems indicated by LEDs on the system front panel.
Table 3-1 Problems Indicated by LEDs
LED Activity Problem Action
Not lit even
though DSLAM
is powered up There is a power up problem
with the system. Troubleshoot the DSLAM for
power up problems; see section
3.4. SYS
Red Self-test failed. There is a
functional problem with the
system. Replace the UMAP 2110.
Red Major alarm set See section 3.3.
Red-Flash Major and Minor alarm set See section 3.3.
ALM
Yellow Minor alarm set See section 3.3.
GBE1/GBE2
(If SFP
interface is
activated)
Not lit even
though DSLAM
is powered up No link Troubleshoot the DSLAM for
fiber optics problems; see section
3.4.
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