User Manual, Part I
29
МA4000-РХ Subscriber Access and Aggregation Point
to connect power supplies, wires with sections corresponding to the maximum value of
current used by a device shall be used;
adherence to polarity is mandatory when connecting power feeders;
available power supplies shall have protective devices to ensure quick load
disconnection in case the maximum value for the device feed current had been
exceeded;
each power feeder shall be connected via a device which allows to promptly switch off –
a circuit breaker or any other device;
the device features two power inputs and can be connected to one or both power
supplies. In order to switch off the device completely, it is necessary to disable all power
supplies available.
Personnel safety
no mounting or other works related to disconnection of cables from the device or
disconnection of the device from the earthing circuits shall be performed during
thunderstorm;
to lift or move the device hold it by the crate elements. Do not load pushers by the
basket weight at the front panels of modules and handles on the replacement in-feed
modules and ventilation panel;
two persons shall be engaged to move the basket;
to protect eyes from laser radiation, do not peep into in the open optical ports. Infrared
radiation of the lasers used in optical interfaces of devices can cause irreversible eye
damage.
Qualifications of the personnel
device installation, configuring and servicing shall be performed by qualified employees
only;
the device may be handle authorized personnel only ;
any changes to the device (replacement of modules, software replacement) can be
made by properly qualified and attested personnel;
any alarms or failures in equipment operation shall immediately be reported to the on-
duty personnel.
Prior to perform any types of works, all sections of documentation shall be carefully read.
Содержание MA4000-PX
Страница 1: ...MA4000 PX Operations and Maintenance Manual SW version 3 26 0 Subscriber access aggregation node ...
Страница 9: ...User Manual Part I 9 МA4000 РХ Subscriber Access and Aggregation Point PART I GENERAL ...
Страница 43: ...User Manual Part III 43 Subscriber access aggregation node МA4000 РХ PART III ACCESS NODE CONFIGURATION ...
Страница 87: ...User Manual Part IV 87 Subscriber access aggregation node МA4000 РХ PART IV ONT CONFIGURATION ...
Страница 95: ...User Manual Part IV 95 Subscriber access aggregation node МA4000 РХ Fig 34 ONT Scope of Operation ...
Страница 142: ...142 User Manual Part V Subscriber access aggregation node МA4000 РХ PART V ACCESS NODE MONITORING ...
Страница 163: ...User Manual Part VI 163 Subscriber access aggregation node МA4000 РХ PART VI MAINTENANCE ...