Handbook
Axell Wireless Limited
Technical Literature
WMATA CRCS Redundant Antenna System
General Overview
Document Number 60-228701HBK Issue No. 3 Date 28/05/2010 Page 97 of 114
Date: 02/12/2009
© AWL 2009
Page 1 of 1
A4
Issue: 1
Drawn by: EW/AJS
Not to Scale
Aerial House
Asheridge Road
Chesham
Buckinghamshire
HP5 2QD United Kingdom
Telephone: +44 (0) 1494 777000
Facsimile: +44 (0) 1494 777002
E-Mail: info@axellwireless.com
www.axellwireless.com
Combiner Unit 60-228907
System Diagram
Rack 1, Front
3 x 93-930008
Combined U/L I/P from Combiner Unit 60-228906
16 Ch. DSP U/L Squelch Gates 1 to 7
Patch-panel
U/L inputs from CRCS Donor Unit
for 16 Ch. DSP U/L Squelch Gates 22-26
(connections on rear of front panel)
RG223 jump lead,
connectors on front panel
U/L output to
RF Failover Switch Unit
60-228905
U/L O/P to 16 Ch. DSP U/L Squelch Gate 22
U/L O/P to 16 Ch. DSP U/L Squelch Gate 23
U/L O/P to 16 Ch. DSP U/L Squelch Gate 24
U/L O/P to 16 Ch. DSP U/L Squelch Gate 25
U/L O/P to 16 Ch. DSP U/L Squelch Gate 26
U/L I/P from 16 Ch. DSP U/L Squelch Gate 22
U/L I/P from 16 Ch. DSP U/L Squelch Gate 23
U/L I/P from 16 Ch. DSP U/L Squelch Gate 24
U/L I/P from 16 Ch. DSP U/L Squelch Gate 25
U/L I/P from 16 Ch. DSP U/L Squelch Gate 26
Combined U/L I/P from Combiner Unit 60-228908
16 Ch. DSP U/L Squelch Gates 8 to 14
Combined U/L I/P from Combiner Unit 60-228909
16 Ch. DSP U/L Squelch Gates 15 to 21
5.16.2. Combiner Unit 60-228907 System Diagram