Descripción del producto
48
4.3.1 Restricted Access Location
The OLT Ref.769401 unit is to be installed in a restricted access location.
4.4 Electrical Power Supply
The electrical connection for the OLT equipment is of redundant -48VDC.
4.4.1 Disconnect Device
A Disconnect Device must be installed close to unit chassis in order to allow disconnection of all power supply before servicing the unit.
In the case of installation in an ETSI rack, rack installed Power Box, provides disconnect device funcionality
Disconnect device circuit breaker should be rated 3A max.
4.4.2 Multiple Power Source
Power supply to the unit is provided by two 48 VN(egative) power supply source connection, source A and source B.
Important!
All unit power supply must be disconnected at the disconnect device before servicing the unit.
4.4.3 Power Supply Connection Procedures
Important!
When performing OLT system service actions, observe electrostatic discharge (ESD) precautions, ESD
All unit power supply must be disconnected at the disconnect device before servicing the unit.
4.4.4 Power Supply Cables Connection
In right side of the OLT front panel there are two tree input connectors for power supply connections P1 and P2, (see Figure 4-2):
Figure 4-2: OLT chassis redundant power supply input connectors
Step 1
Use the H03VV-F conducting electrical cables with eyelet terminals provided in the OLT mounting kit to connect the two
redundant power supplies.
Содержание OLT 769401
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