Applicable Codes And Practices; Ac And Dc Power Supplies - Motorola DIMETRA MTS 2 Installation, Configuration And Basic Service Manual

MTS 2 and MTS 4 Installation, Configuration and Basic Service Manual

Applicable Codes and Practices

The following list of codes and practices (small selection only) shall be adhered where applicable:
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AC and DC Power Supplies

The MTS cabinet is equipped with a high efficiency switch mode Power Supply Unit (PSU).
Operating modes are as follows:
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The PSU handles the automatic switch over to a backup battery in the event of AC mains failure.
6802800U74-N September 2009
Motorola R56 2000 Manual.
UK - RPSG Installation Manual, System Quality Standard, specification
number 2200 and part number. 68P02200F01.
UK - Institution of Engineering and Technology (IET) - BS 7671:2001 16th Edition Wiring
Regulations (Appendix 12, "Cable Capacities of Conduit and Trunking").
UK - Antenna System Installation Practice, issued by The Directorate of
Telecommunications of the UK Home Office.
UK - Details of Earthing Requirements for Masts, Aerial Feeder Cables, and Radio Equipment
Rooms, issued by The Directorate of Telecommunications of the UK Home Office.
GERMANY - VDE0100 Errichten von Starkstromanlagen bis 1000 Volt.
GERMANY - VDE0185 Blitzschutzanlagen.
GERMANY - VDE0510 Akkumulatoren und Batterieanlagen.
GERMANY - VDE0855 Antennenanlagen, Errichtung und Betrieb.
If other codes and practices are beneficial please refer to your local standards.
DC only operation (within -41 VDC to -60 VDC)
AC only operation (within 90 VAC to 264 VAC; 45 Hz to 66 Hz)
AC operation (within 90 VAC to 264 VAC; 45 Hz to 66 Hz) and switch over
to DC backup operation when AC failed
An external disconnect device and appropriate 20A fuse are re-
quired on the DC power supply line.
If the DC input on the station is connected to back up batteries, an external Low
Voltage Disconnect (LVD) device should be introduced directly in the power line
in order to protect the batteries against deep discharge. On the MTS2, one relay
Applicable Codes and Practices
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