Andrew Multimode Power Distribution Unit User's Guide

  Installation and Operation User Guide 

6 November-2007 Bulletin II-102051-EN • Revision B White or 2: neg (-)Brown: NCWhite: COMBlue: NOTo EAITo DC supply: ±20 to ±60 VDCBlue: 6Green: 5Re

Bulletin II-102051-EN • Revision B November-2007 7   The PDU provides DC power conversion, regulation, and distrib

8 November-2007 Bulletin II-102051-EN • Revision B  .59!GREEN light indicates supply voltage is within specified range. DARK otherwis

Bulletin II-102051-EN • Revision B November-2007 9  -(The Power Cable is illustrated in Figure 7. Two color-coded or number-coded 18 –

10 November-2007 Bulletin II-102051-EN • Revision B Figure 9: Standard Bias Tee Harness Figure 10: Sector-split Bias Tee Harness 1 2)3

Bulletin II-102051-EN • Revision B November-2007 11 !!. Select the installation location. The PDU installs in a standar

12 November-2007 Bulletin II-102051-EN • Revision B  686=/0,>.+?If installing the PDU in a 23” rack, first attach the

Bulletin II-102051-EN • Revision B November-2007 13 % )*, %"-". %&-". . &

14 November-2007 Bulletin II-102051-EN • Revision B  6#+$,Connect the Bias Tee Harness to the DC Output connector and tigh

Bulletin II-102051-EN • Revision B November-2007 15 For all outputs in use, set the DC Output DIP switches to ENABLE (up) and the TMA Alarm DIP swit

16 November-2007 Bulletin II-102051-EN • Revision B • For all outputs where DC Output DIP switches are ENABLED and TMA Alarm DIP switches are ENABL

Bulletin II-102051-EN • Revision B November-2007 17 " Before operating, ensure all parts of the TMA system are installed and all con

18 November-2007 Bulletin II-102051-EN • Revision B indications will clear once the problem is corrected. "  5.55,,Each output is

Bulletin II-102051-EN • Revision B November-2007 19  #!$%Because the PDU supplies and monitors the entire TMA system, all system compo

20 November-2007 Bulletin II-102051-EN • Revision B  +./,If DC passes through a diplexer (crossband coupler) at the base or tower top: •

Bulletin II-102051-EN • Revision B November-2007 21 '( $! #!A functional block diagram of the P

22 November-2007 Bulletin II-102051-EN • Revision B Andrew TMAs are equipped with internal fault monitoring and will raise or lower their current co

Bulletin II-102051-EN • Revision B November-2007 23 5 +*2$ #%/. & ).:  ):2 & )2:A 3 )A:

24 November-2007 Bulletin II-102051-EN • Revision B '#( #, The PDU and its accessories are eac

Bulletin II-102051-EN • Revision B November-2007 25 # #+$, 5)- !" . 3&+ 3&67.."

Bulletin II-102051-EN • Revision B November-2007 iii  

26 November-2007 Bulletin II-102051-EN • Revision B '( )#( !Beginning with revision 02, the Mul

     

iv November-2007 Bulletin II-102051-EN • Revision B *++$+,- !" # #"$%&"  

Bulletin II-102051-EN • Revision B November-2007 1   This manual provides a complete des

2 November-2007 Bulletin II-102051-EN • Revision B  All operations relating to the installation of the PDU must be executed in accordance w

Bulletin II-102051-EN • Revision B November-2007 3  A typical TMA system consists of TMAs, Bias Tees, and PDU with accessories.

4 November-2007 Bulletin II-102051-EN • Revision B Bias Tees are installed on the antenna ports of one of the base stations. The diplexers must pass

Bulletin II-102051-EN • Revision B November-2007 5  #12+./0Figure 3 shows a TMA system with Andrew OneBase™ TMAs and separa