MST Impact NS5001, Руководство пользователя

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2. Turn on the DC power supply and verify that the green power light is on. If there is no green light,
refer to
Troubleshooting Guide on page 93.
Power can be applied to cabling whilst additional NS50 units are being installed. Power usage levels
should be evaluated prior to adding more units downstream to ensure that the voltage rail does not drop
too low. A minimum of 15VDC is required for a NS50 to supply PoE to other devices. If the voltage
drops below 15V, additional power is required.
3.5 Handling Composite Cable During Installation
The composite cable is ruggedly built for the mining environment. However the following precautionary
measures should be noted during installation:
• Never pull or create tension on the cable. Unreel the cable from the cable reel, or allow the weight of
the cable to unreel as the vehicle is moving.
• Do not bend the cable at sharp angles; excessive bending can fracture or break the fibre optic cable.
• Do not step on the cable.
3.6 Connecting Composite Cable to the NS50
A composite cable is connected to the fibre port of an NS50. Once connected, it will auto detect devices
and their settings.
The following procedure illustrates composite cable connection when there is power being supplied
downstream in the network.
Important: Protect all connectors and sockets from dust and grit, with minimal exposure during
installation. Any unused sockets must be covered by the supplied dust caps at all times.
Revision C 32 NS50 User Guide
Installation