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UHF Dual Band Line Amplifier
Head Office: Aerial House, Asheridge Road, Chesham, Buckinghamshire, HP5 2QD, United Kingdom
Tel: + 44 (0) 1494 777000
info@axellwireless.com
Axell Wireless Limited
Technical Literature
Document Number 55-227901HBK
Product Description and User's Manual
Product Part No. 55-227901
Axell Wireless Limited
UHF Dual Band Line Amplifier
Issue No. 4
Fax: + 44 (0) 1494 777002
www.axellwireless.com
Date 23/06/2014
Page 1 of 30
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Summary of Contents for Axell Wireless 55-227901
- Page 1 UHF Dual Band Line Amplifier Product Description and User’s Manual Product Part No. 55-227901 Axell Wireless Limited Head Office: Aerial House, Asheridge Road, Chesham, Buckinghamshire, HP5 2QD, United Kingdom Tel: + 44 (0) 1494 777000 Fax: + 44 (0) 1494 777002 info@axellwireless.com...
- Page 2 Support issues support@axellwireless.com Technical Support Line, English speaking +44 1494 777 747 Contact information for Axell Wireless offices in other countries can be found on our web site, www.axellwireless.com Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No.
- Page 3 However, Axell Wireless assumes no responsibility for its use. In no event shall Axell Wireless be liable for any damage resulting from loss of data, loss of use, or loss of profits and Axell Wireless further disclaims any and all liability for indirect, incidental, special, consequential or other similes damages.
- Page 4 RF exposure is extremely low. As a precaution it is recommended that the radiating cable is operated at a minimum distance of 10 cm between the cable radiator and any person’s body. Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No.
- Page 5 -70 dBm in a 10 kHz measurement bandwidth. The WMATA Line Amplifier (55-227901) signal booster has a noise level of below -90 dBm in 10 kHz measurement at 1 MHz spectrum outside the passband of the signal booster and an in-band noise level of -60 dBm (worst case) in a 10 kHz bandwidth.
- Page 6 Only a qualified and authorized personnel should carry out adjustment, maintenance or repairs to the components of this equipment. NOTE: Please refer to Axell Wireless for additional information and for requests for notifications to authorities. Throughout this manual, there are "Caution" warnings. "Caution" calls attention to a procedure or practice, which, if ignored, may result in injury or damage to the system, system component or even the user.
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Page 7: Table Of Contents
2.2.1. Cooling and Airflow ......................10 2.2.2. Wall Compatibility ......................10 2.2.3. Access to the Line Amplifier ................... 10 WMATA Dual Band UHF Line Amplifier 55-227901 ..............11 3.1. Equipment Overview ......................11 3.2. Theory of operation ........................ 11 3.3. -
Page 8: Antenna Specifications And Installation Criteria
Carrier Power Length and type of radiating coaxial cable connecting the Donor system to the Line Amplifier and the attenuation. Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4 Date 23/06/2014... -
Page 9: Service Antenna Requirements
Use jumper cable for easy installation. The RF Coaxial cable can be substituted at each end with a jumper cable. Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. -
Page 10: Pre-Installation Requirements
Line Amplifier, enabling easy access to the Line Amplifier for maintenance and on-site inspection. Allow an additional 50 cm of space in front of the Line Amplifier when the door is fully open. Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. -
Page 11: Wmata Dual Band Uhf Line Amplifier 55-227901
WMATA Dual Band UHF Line Amplifier 55-227901 3.1. Equipment Overview WMATA Dual Band UHF Line Amplifier 55-227901 is a Bi-directional Line Amplifier designed for Radiating Cable signal extension. The equipment consists of four signal paths (2 downlink and 2 uplink) to provide dual band operation. -
Page 12: System Diagram
3.3. System Diagram Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4 Date 23/06/2014 Page 12 of 30... -
Page 13: Table Of Components By Position Number
17-016401 499.0 MHz - 499.9MHz U/L path Low Power Amplifier 33dB Gain 12-030301 499.0 MHz - 499.9MHz U/L path AGC Detector Module 17-019801 Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4 Date 23/06/2014... -
Page 14: Exploded Schematic Showing Downlink Rf Path And Components
20dB D/L O/P Test Port U/L I/P Date: 18 February 2014 Not to Scale © AWL 2014 Drawn by: AJS 55-227901 Exploded schematic Aerial House showing Downlink RF path and components Asheridge Road Issue: 1 Chesham axell Buckinghamshire HP5 2QD United Kingdom... -
Page 15: Exploded Schematic Showing Uplink Rf Path And Components
20dB D/L O/P Test Port U/L I/P Date: 18 February 2014 Not to Scale © AWL 2014 Drawn by: AJS 55-227901 Exploded schematic Aerial House Asheridge Road showing Uplink RF path and components Chesham Issue: 1 axell Buckinghamshire HP5 2QD United Kingdom... -
Page 16: Front View
Green LED “POWER ON” illuminated during normal operating conditions Red LED “ALARM” illuminated during alarm conditions Door locks Lifting handles FCC Compliance label Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4 Date 23/06/2014... -
Page 17: Side Views
3 Pole panel plug, AC Input 6 Pole panel plug, Alarm Output Grounding connection G Position of wall mount brackets (not fitted at time of photography) Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4... -
Page 18: Interior Picture - Downlink Path
M 20dB test/monitor port Position of AC input and Alarm output O AC trip switch (96-300042) PSU module (96-300052) Q 12V Relay PCB Assembly (80-008909) Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4... -
Page 19: Interior Picture - Uplink Path
M Common RF port U/L O/P and D/L I/P, “Base” port Position of AC input and Alarm output O AC trip switch (96-300042) PSU module (96-300052) Q 12V Relay PCB Assembly (80-008909) Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4... -
Page 20: Specification
Closed = Good, Open = Alarm PIN 6 PIN 1 PIN 5 PIN 2 PIN 4 PIN 3 LOCATION Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4 Date 23/06/2014 Page 20 of 30... -
Page 21: Installation - General Notes
General Remarks When this equipment is initially commissioned, please keep a record of the initial set-up parameters, this will help both the installation personnel and Axell Wireless should these figures be needed for future reference or diagnosis. The procedure for installing and commissioning an Axell Wall Mount Line Amplifier is generally as follows: Secure the Line Amplifier in the chosen wall position. -
Page 22: Commissioning
3. It is recommended that the gains are set such that the Downlink channel output levels from the equipment are typically +10dBm per channel (Input level + Gain = Output level). Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. -
Page 23: Maintenance
In the event that there are no alarms on and all units appear to be functioning it will be necessary to test the system in a systematic manner to confirm correct operation. Axell Wireless Limited UHF Dual Band Line Amplifier... -
Page 24: Downlink
It is recommended that items of this type are replaced with a spare unit and the faulty unit returned to Axell Wireless for repair. Axell Wireless Limited... -
Page 25: Service Support
Individual modules are not intended to be repaired on site and attempts at repair will invalidate active warranties. Company policy is that individual modules should be repaired by replacement. Axell Wireless Ltd. maintains a level of stock of most modules which can usually be despatched at short notice to support this policy. -
Page 26: Care Of Modules
(otherwise the enclosure would have to be removed from the wall in order to remove the heatsink). Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. -
Page 27: Low Power Amplifier Replacement (General Procedure)
These bags or containers are normally identified by being pink or black, and are often marked with an ESD label. Any module sent back to Axell Wireless for investigation/repair must be so protected. Please contact the Axell Wireless Network Services Support Desk before returning a module. -
Page 28: Glossary Of Terms Used In This Document
Uninterruptible Power Supply VSWR Voltage Standing Wave Ratio Wave division multiplex Date Format Date Format used in this document is dd/mm/yyyy Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4 Date 23/06/2014 Page 28 of 30... -
Page 29: Key To Drawing Symbols Used In This Document
A.2. Key to Drawing Symbols used in this document Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4 Date 23/06/2014 Page 29 of 30... -
Page 30: Document Amendment Record
Document Amendment Record Issue Date Incorporated Section Reason for new issue Amended 10/01/2014 Draft 18/02/2014 Issue 17/06/2014 FCC compliance changes Axell Wireless Limited UHF Dual Band Line Amplifier Technical Literature Document Number 55-227901HBK Issue No. 4 Date 23/06/2014 Page 30 of 30...
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