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Single Sub Band Repeater For Indoor Applications (FCC ID: S3CR4-30-S8)
The information contained herein is proprietary to
Unauthorized access, copy and replication are prohibited. This document must not
be copied in whole or part by any means or it shall not be disclosed or divulged to
any third Party without the prior written consent of
All Rights Reserved
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June 2007
Proprietary Information
Shyam Telecom Limited
Next Generation
Signal Enhancement
RF / SBR Series
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Table of Contents
Related Manuals for Shyam RF Series
Summary of Contents for Shyam RF Series
- Page 1 Unauthorized access, copy and replication are prohibited. This document must not be copied in whole or part by any means or it shall not be disclosed or divulged to any third Party without the prior written consent of Shyam Telecom Limited. All Rights Reserved Shyam Telecom Limited Page 1/34...
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Page 2: Table Of Contents
8.7. Dos & Don’t Dos ................28 8.8. Checklist – Post Installation ............. 29 9. System Maintenance ................... 30 9.1. General .................... 30 9.2. Preventative Maintenance ............... 30 9.3. In-Building Coverage Problems ............30 All Rights Reserved Shyam Telecom Limited Page 2/34... -
Page 3: Document History
Shyam Telecom Limited assumes no liability for the customer's failure to comply with these precautions. -
Page 4: Electrostatic Sensitivity
However, a semiconductor may be damaged by an electrostatic charge inadvertently imposed by careless handling. Static electricity can be conducted to the semiconductor chip from the centre pin of the RF input connector, and through the AC connector pins. When All Rights Reserved Shyam Telecom Limited Page 4/34... - Page 5 Next Generation Signal Enhancement unpacking and otherwise handling the Repeater, follow ESD precautionary procedures including the use of grounded wrist straps, grounded workbench surfaces, and grounded floor mats. All Rights Reserved Shyam Telecom Limited Page 5/34...
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Page 6: Introduction
The purpose of this document is to describe the electrical and mechanical specifications, operation and maintenance of the R4 Band Selective Repeater. 4.2. Scope This document is the product description of the Shyam R4 Band Selective Repeater for Indoor applications. 4.3. Definitions Automatic Gain Control... -
Page 7: References
• Area to be provided with coverage. • Indoor/outdoor coverage. • Availability of BTSs in the vicinity. • Antenna isolation to be achieved. All Rights Reserved Shyam Telecom Limited Page 7/34... -
Page 8: Functional Description Of R4 Band Selective Repeater
D/L. • In the U/L, the signals from the mobile users are picked up by SERVER antenna and retransmitted to the BTS after processing & amplification in the repeater. All Rights Reserved Shyam Telecom Limited Page 8/34... - Page 9 The housing is not waterproof since it is to be used for indoor application. Ceiling Antenna R4 Unit Figure 1: Indoor Coverage (Typical Application) All Rights Reserved Shyam Telecom Limited Page 9/34...
- Page 10 Next Generation Signal Enhancement Ceiling Antenna R4-30- SMR800 Figure 2: Indoor Coverage In a Office Premises All Rights Reserved Shyam Telecom Limited Page 10/34...
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Page 11: To Get Started-Basic Software Control Of The System
If user logged in as an ADMINISTRATOR, all the SUPERVISOR. functions can be performed through the CMC. By default, the password for both users is “SHYAM”. SUPERVISOR is allowed to perform monitoring of the status & alarms but no change in configuration is permitted. However, the SUPERVISOR can change password if so desired. - Page 12 Up to 30 characters are allowed in this field. iii. Sub Bands (UL/DL Frequency Bands): The frequency bandwidth with frequency details, of the loaded sub band in UL & DL paths are specified. All Rights Reserved Shyam Telecom Limited Page 12/34...
- Page 13 SAVE: Configured parameters can be saved as text file by clicking at SAVE for later reference. ix. Open Text File: OPEN: Saved configured text file can be opened and displayed on the configuration window by clicking at OPEN. All Rights Reserved Shyam Telecom Limited Page 13/34...
- Page 14 Indicates attenuation inserted in Attenuation DL the system in DL path. Indicates attenuation inserted in Attenuation UL the system in UL path. RF output power in DL path is Output Power DL displayed. All Rights Reserved Shyam Telecom Limited Page 14/34...
- Page 15 DL direction. The alarm indicates that the set upper RSSI high (DL) limit of RSSI in the DL direction has exceeded. Indicates the failure of AC mains to AC fail the system. All Rights Reserved Shyam Telecom Limited Page 15/34...
- Page 16 Click the “DIAL” and wait (maximum 60 seconds) for connection. A message “CONNECTED” will appear on the screen after the GSM Connection is established. Click the “DISCONNECT” on the DIALUP window to disconnect remote communication with the repeater. All Rights Reserved Shyam Telecom Limited Page 16/34...
- Page 17 Each level has a specific password. The password for each level can be changed at intervals. ADMINISTRATOR has rights to perform all functions Viz. Configuration, Monitoring etc. Whereas the SUPERVISOR is allowed to perform limited functions like monitoring of alarms, establishing communication etc. All Rights Reserved Shyam Telecom Limited Page 17/34...
- Page 18 Next Generation Signal Enhancement Figure 7: Instant Alarms by SMS Figure 8: Security Settings All Rights Reserved Shyam Telecom Limited Page 18/34...
- Page 19 The basic block of converter module comprises of L.O., frequency mixer, filter and intermediate amplifier. The low noise amplified signals are converted to IF in frequency mixer with frequency fed from LO. The All Rights Reserved Shyam Telecom Limited Page 19/34...
- Page 20 Based on the coverage area, a set of select panel antennas with suitable gains & N type connecters is installed at pre- planned spots. All Rights Reserved Shyam Telecom Limited Page 20/34...
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Page 21: R4 Repeater Specifications
RF port UL N-type (F) RF port DL 7.4. Mechanical Specification 520x275x180 mm (20x11x7 inches) Dimensions (w x h x d) 15 Kg. (33 Lbs.) Weight Indoor application Housing Grey Housing Color Convection Cooling All Rights Reserved Shyam Telecom Limited Page 21/34... -
Page 22: Environmental Specification
PC interface cable for USB port Power cable 3 pin – 3 meter length Operation & Installation manual CD containing the application software Wireless Modem (Optional) 1 set Mounting Clamps with Nuts-bolts All Rights Reserved Shyam Telecom Limited Page 22/34... -
Page 23: Installation
ERP at server antenna Desired RF Power in UL Proposed gain settings in UL path Attenuator to be inserted in UL path 3. Proposed site Address:--------------------------- 4. User’s Address & other particulars:--------------------------------- Date: Prepared by:------------- All Rights Reserved Shyam Telecom Limited Page 23/34... -
Page 24: Engineering Consideration
It should have good front to back ratio. • The beam width for the DONOR antenna should be as small as possible. • The beam width for SERVER antenna is 60 degree to 120 degree. All Rights Reserved Shyam Telecom Limited Page 24/34... - Page 25 Donor Antenna gain Cable loss (100 ft. of 7/8 inch) Input to Repeater Gain of Repeater set Output of Repeater Cable loss (100 ft. of 7/8 inch) Server Antenna Gain Repeater ERP All Rights Reserved Shyam Telecom Limited Page 25/34...
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Page 26: Installation Tools
The repeater is mounted at the pre-selected site firmly placed with clamps and other mechanical accessories. Following connections as detailed below are carried out: All Rights Reserved Shyam Telecom Limited Page 26/34... -
Page 27: Gain Setting
Once the RF output power has been determined, the attenuation will have to be modified to reach the desired output signal level. All Rights Reserved Shyam Telecom Limited Page 27/34... -
Page 28: Commissioning System
10. The estimation of coverage area should be confirmed. 11. The system should be made over for normal traffic after actual measurement of: RF power in the DL RF power in the UL Antenna Isolation All Rights Reserved Shyam Telecom Limited Page 28/34... -
Page 29: Checklist - Post Installation
Power level in UL Attenuation in UL Observation on CMC software & GUI Repeater Secured & locked Any Other Remark/Comment: Date Of Installation: ------------------------ Repeater ID: ------------------------------- Site Address: -------------------------------------------------------------- Name of the Installer: ----------------------------------------------------- All Rights Reserved Shyam Telecom Limited Page 29/34... -
Page 30: System Maintenance
If repeater unit is found to be defective, please contact our Technical support team. The repeater unit serial number must be available to establish a return authorization. If replacing any part, Shyam authorized service dealer should replace it and no soldering/ repairing of PCBs should be carried out in the field for reliable service thereafter. - Page 31 DIP switch with the likely compromise to the overall coverage within the building. All Rights Reserved Shyam Telecom Limited Page 31/34...
- Page 32 R4 Repeater Signal -62dBm Cable loss Input 2 dB –48dBm Gain Cable loss 2 dB 80 dB Repeater O/P +32dBm Server Antenna 3dBi gain EIRP +33 dBm Figure 11: R4 Application Link Budget All Rights Reserved Shyam Telecom Limited Page 32/34...
- Page 33 Next Generation Signal Enhancement For Technical Support, please contact at any of the following addresses: For Americas Shyam Telecom Inc. 6, KILMER ROAD, SUIT D, EDISON, New Jersy-08817 (USA) For Europe Shyam Telecom GmbH. Frohsinnstrasse 16, 63739 Aschaffenburg, Germany Tel: + 49-6021-45901-0 Fax: + 49-6021-45901-29 For ASEAN &...
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