Chapter 3: Product Hardware Description
Power Specifications
phn-3972 004v000
Page 3-11
Power Specifications
Electrical Requirements
•
-48V DC Nominal
•
Maximum current rating 1.5 A
•
Maximum Cable length 300 meter
•
Maximum cable size for PoE cable is 24 AWG, with maximum current up to 2A from the power
source.
Important Notes
•
The unit must only be installed by service personnel.
•
The unit must have a permanent connection to protective grounding.
•
Data port 2, Data port 3, the Management port and the TNC connector do not provide
protection from over-voltages on telecommunication networks for host equipment users.
•
The RSL interface connector is intended for technician use only.
•
Disconnect device (circuit breaker) in the building installation: Shall be readily accessible and
incorporated external to the equipment.
•
The maximum rating of the overcurrent protection can be up to 6 Amp.
Содержание PTP 820S
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Страница 51: ...Chapter 4 Cable Installation and Grounding Special Instructions for use of Glands phn 3972 004v000 Page 4 19...
Страница 55: ...Chapter 4 Cable Installation and Grounding Connecting an Optical Fiber Cable and SFP phn 3972 004v000 Page 4 23...