This documentation is intended for the use of Nokia's customers only for the purposes of the agreement under which the documentation is submitted, and no part of it may be reproduced or transmitted in any form or means without the prior written permission of Nokia.
Hereby, Nokia Corporation, declares that this product is in compliance with the essential requirements and other relevant provisions of Directive: 1999/5/EC. 0523 The product is marked with the CE marking and Notiﬁed Body number according to the Directive 1999/5/EC. FCC §15.21 - Information to user - This product is used as an intentional radiated equipment and any changes or modiﬁcations on the equipment without any approval...
About this document 11 Preparations for maintenance 13 Site folder 13 2.1.1 Fault reporting 13 Maintenance equipment 13 2.2.1 Nokia BTS Manager 14 Environmental precautions 14 Power supply precautions 14 Removing the BTS cover 15 Periodic maintenance 17 Maintaining the cabinet 17 3.1.1 Fan unit and air circulation 17 3.1.2...
Figure 8. TRX slot numbering 31 Figure 9. Example Object Properties window in Nokia BTS Manager (can be used for blocking a TRX) 32 Figure 10. Displacing the sealing strip and releasing the cables 41 Figure 11. HVMF cooling fan assembly and mounting screws 42 Figure 12.
About this document About this document This document gives instructions on the maintenance of the Nokia MetroSite EDGE Base Station (BTS). Read carefully Nokia MetroSite EDGE Base Station: Warnings and Cautions before starting the maintenance work. This document covers the following: •...
Where possible, correct all damage, failures, and faults and report them to Nokia using the Failure Report Form provided by Nokia Customer Services. Note You can save the alarm information to a log file on your PC with Nokia BTS Manager. Maintenance equipment Check which tools are needed for the type of maintenance being done.
MetroSite EDGE Base Station: Commissioning. Environmental precautions When the cover of the Nokia MetroSite EDGE Base Station is removed to allow for maintenance work, the following conditions must be considered: Rain or snow must not be allowed to fall on the internal surfaces of the equipment.
Removing the BTS cover Before removing the cover for internal maintenance of the BTS, refer to the power supply precautions and environmental restrictions presented in this document and to the safety precautions presented in Nokia MetroSite EDGE Base Station: Warnings and Cautions. Note Removing the cover issues an alarm to the BSC.
Periodic maintenance Periodic maintenance This chapter describes the periodic maintenance of the MetroSite EDGE Base Station. Maintaining the cabinet This section describes the cabinet maintenance measures. 3.1.1 Fan unit and air circulation The fan unit must be cleaned of leaves and debris whenever necessary. To maintain proper circulation of air through the cabinet, air inlets and outlets must not be obstructed.
Adjusting the 13 MHz clock Adjusting the 13 MHz clock The 13 MHz clock is adjusted using the Nokia BTS Manager PC and a frequency counter. The 13 MHz clock should only need adjusting after a new installation or when the interface unit (VIFA) is replaced.
Nokia BTS Manager Figure 2. 13 MHz clock adjustment Open Nokia BTS Manager on your laptop PC. Open the calibration menu by selecting OBJECTS on the BTS Manager main menu. Select CLOCK CONTROL from the drop-down menu. In the Clock Control window, enter a DAC (digital-to-analogue converter) value which will tune the clock to 13 MHz (±1 Hz).
Base Station: Alarm Descriptions. Descriptions of the LED unit status indicators are presented in Chapter 7 of this document. Whenever problems occur in the operation of the BTS, connect the Nokia BTS Manager PC to the interface unit. The LED conditions and the alarm window usually indicate where and what the problem is.
Replacing units Replacing units This chapter describes how to replace plug-in units in the Nokia MetroSite EDGE Base Station. Caution BSC and/or NMS personnel must be notified before starting to replace or add units to the Nokia MetroSite EDGE Base Station.
Connect your Nokia BTS Manager PC to the LMP connector on the interface unit. Block the TRX using Nokia BTS Manager (if the sector is not already locked from the BSC). In the Supervision - Equipment View window, right click on the TRX image and select the BLOCK button in the Object Properties dialogue window (see Figure 9).
Reconnect the TRX cabling. Run the TRX test from Nokia BTS Manager (optional). With Nokia BTS Manager, right-click the BCF object in the Equipment View window and carry out a BCF Object Reset, or, if locked from the BSC/NMS, request an unlock from the BSC/NMS (the BCF reset is automatic in this case).
Replacing the master TRX Connect your Nokia BTS Manager PC to the LMP connector on the interface unit. Block the site locally (BCF Block) using Nokia BTS Manager if the site is not already locked from the BSC/NMS. Open the cable entry block.
Connect your Nokia BTS Manager PC to the LMP connector on the interface unit. Block the BCF locally with Nokia BTS Manager, or request a BCF lock from the BSC/NMS. If the manager connection can still be established, open Traffic Manager from the Transmission menu and export the TS allocation information to your PC’s hard disk.
When the metal bridge connecting the TX and RX connector is removed, the grounding becomes capacitive. Replacing the transmission unit Connect your Nokia BTS Manager PC to the LMP connector on the interface unit. Verify the type of transmission unit.
Maintenance Block the BCF locally from Nokia BTS Manager or request a BCF lock from the BSC. Switch the BTS power supply unit to the stand-by position. Disconnect the transmission unit cabling. Note If the cables have not been labelled, make a note of which cable is TX and which cable is RX before disconnecting them.
Exporting cross-connection information to a file before replacing an FXC E1 or FXC E1/T1 unit Select TRANSMISSION | OPEN from the main menu in Nokia BTS Manager. BTS Manager closes and the E1/T1 Manager (Transmission Unit Manager) application starts and connects to the transmission unit.
Connect your Nokia BTS Manager PC to the LMP connector on the interface unit. Block the BCF locally with the Nokia BTS Manager or request a BCF lock from the BSC. Switch the BTS power supply unit to the stand-by position.
The procedures for doing this are given here. Alternatively, the complete fan assembly can be removed and replaced. The procedures for doing this are given in the document Nokia MetroSite EDGE Base Station: Field Upgrade. Note For Nokia MetroSite BTSs with 1W TRXs, refer to Nokia MetroSite EDGE Base Station: Field Upgrade.