Topcon SRL-35 User manual

SRL-35

Operator’s Manual

Part Number 1003224-01

Rev. B

©Copyright September, 2013

may not be used, accessed, copied, stored, displayed, sold, modified, published, distributed, or otherwise

reproduced without express written consent from Topcon.

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Table of Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .v

Restrictions on Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Components and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

SRL-35 Special Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Call Sign. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Temperature Protection of RF Power Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Protection of Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Radio Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

User Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

LED Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Display and Push Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

SRL-35 LCD Display After Power-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Display in Data Transfer Mode (transmit/receive mode) . . . . . . . . . . . . . . 8

Info - Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Display in Info Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Display in Setup Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

RF Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Priority RX/TX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Forward Error Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Error Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

User Data Whitening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Transparent Data Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Serial Interface, Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Handshake Lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

CTS-line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

CD-line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

RTS-line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Radio Protocol Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Timing and Delays During Data Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Data Buffering in the Radio Data Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

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Pause Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

TX Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Short Data Block Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Long Data Block Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Latency in PCC Transparent Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Transmission Delays using Pacific Crest 4FSK on 25 kHz channel . . . . . . . . . . . . . . 18

Transmission Delays using Pacific Crest GMSK on 25 kHz channel . . . . . . . . . . . . . 19

Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Programming Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Changing Parameters using TRU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Connecting in Modem Managing Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Configuring Radio in Modem Managing Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Loading Frequencies/Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Changing Parameters using the LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Changing Channel (Channel of the Active TX/RX Radio with Preset Frequencies) . . . . . . . . 27

Changing Protocol (Radio Protocol of the Active Radio) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Select Repeater (Set SRL-35 to Act as a Repeater) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Select FEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Saving Parameter Setup Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

TrimTalk, and Pacific Crest Mode Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Installation of a Radio Data Modem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

RS-232 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Antenna Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Mobile Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Base Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

General Antenna Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Factors Affecting the Quality and Distance of the Radio Connection . . . . . . . . . . . . . . . . . . . 36

Radio Field Strength. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Repeater Mode and Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Repeater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Transmission: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Reception: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

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Connection Between Two Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

System of One Base Station and Several Substations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Using Repeaters and Addresses in the Same System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

System with Several Repeaters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Repeater Chain Using Address Pairs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Repeater Chain using Dual Addressing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Redundant Repeater Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Local/Remote Address Compatibility with PDL Modems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Data Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Antenna Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Warranty and Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

Appendix A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

Appendix B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Functional Delays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Transmission Related Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Transmission Delays When the Radio TX Frequency is Changed . . . . . . . . . . . . . . . . . . . . . . 54

Transmission Delays When Using a 12.5 kHz Radio Channel . . . . . . . . . . . . . . . . . . . . . . . . . 54

Transmission Delays without FEC-function (Forward Error Correction) . . . . . . . . . 54

Transmission Delays with FEC-function (Forward Error Correction) . . . . . . . . . . . 55

Transmission Delays using a 25 kHz Radio Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Transmission Delays without FEC Function (Forward Error Correction) . . . . . . . . . 56

Transmission Delays with FEC Function (Forward Error Correction) . . . . . . . . . . . 57

Appendix C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

Changing Parameters Using a Terminal Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Changing the Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Restoring Factory Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Changing Frequency (Active Radio Channel Frequency) . . . . . . . . . . . . . . . . . . . . . 61

Changing Reference Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Changing Channel Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Changing Radio Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Changing Addressing Settings (Primary And Secondary RX and TX Addresses) . . . 65

Changing Serial Port Settings (Port 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Modification of Handshaking Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Special Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Activating Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

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SRL-35 Operator’s Manual 1003224-01

Restoring Factory Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Saving Modified Settings into the Permanent Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Changing Parameters Using the SL Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Radio Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Configuration of Radio Protocol using SL Commands . . . . . . . . . . . . . . . . 76

Other Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Regulatory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

Product Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Preface

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• • • • • •

Preface

Thank you for purchasing this Topcon product. The materials available in this Manual (the “Manual”) have

been prepared by Topcon Positioning Systems, Inc. (“TPS”) for owners of Topcon products, and are designed

to assist owners with the use of the product and its use is subject to these terms and conditions (the “Terms

and Conditions”).

Terms and Conditions

Use

This product is designed to be used by a professional. The user should have a good knowledge of the safe use

of the product and implement the types of safety procedures recommended by the local government

protection agency for both private use and commercial job sites.

Copyrights

All information contained in this Manual is the intellectual property of, and copyrighted material of TPS. All

rights are reserved. Do not use, access, copy, store, display, create derivative works of, sell, modify, publish,

distribute, or allow any third party access to, any graphics, content, information or data in this Manual

without TPS’ express written consent and may only use such information for the care and operation of the

product. The information and data in this Manual are a valuable asset of TPS and are developed by the

expenditure of considerable work, time and money, and are the result of original selection, coordination and

arrangement by TPS.

Trademarks

SRL-35™, TRU™, Topcon® and Topcon Positioning Systems™ are trademarks or registered trademarks of TPS.

Windows® is a registered trademark of Microsoft Corporation. The Bluetooth® word mark and logos are

owned by Bluetooth SIG, Inc. and any use of such marks by Topcon Positioning Systems, Inc. is used under

license. Other product and company names mentioned herein may be trademarks of their respective owners.

Disclaimer of Warranty

EXCEPT FOR ANY WARRANTIES IN AN APPENDIX OR A WARRANTY CARD ACCOMPANYING THE PRODUCT,

THIS MANUAL AND THE PRODUCT ARE PROVIDED “AS-IS.” THERE ARE NO OTHER WARRANTIES. TPS

DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR USE OR

PURPOSE. TPS AND ITS DISTRIBUTORS SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR

OMISSIONS CONTAINED HEREIN; NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM

THE FURNISHING, PERFORMANCE OR USE OF THIS MATERIAL OR THE PRODUCT. SUCH DISCLAIMED

Please read the terms and conditions carefully.

Preface

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DAMAGES INCLUDE BUT ARE NOT LIMITED TO LOSS OF TIME, LOSS OR DESTRUCTION OF DATA, LOSS OF

PROFIT, SAVINGS OR REVENUE, OR LOSS OF THE PRODUCT’S USE. IN ADDITION TPS IS NOT RESPONSIBLE

OR LIABLE FOR DAMAGES OR COSTS INCURRED IN CONNECTION WITH OBTAINING SUBSTITUTE PRODUCTS

OR SOFTWARE, CLAIMS BY OTHERS, INCONVENIENCE, OR ANY OTHER COSTS. IN ANY EVENT, TPS SHALL

HAVE NO LIABILITY FOR DAMAGES OR OTHERWISE TO YOU OR ANY OTHER PERSON OR ENTITY IN EXCESS

OF THE PURCHASE PRICE FOR THE PRODUCT.

License Agreement

Use of any computer programs or software supplied by TPS or downloaded from a TPS website (the

“Software”) in connection with the product constitutes acceptance of these Terms and Conditions in this

Manual and an agreement to abide by these Terms and Conditions. The user is granted a personal, non-

exclusive, non-transferable license to use such Software under the terms stated herein and in any case only

with a single product or single computer. You may not assign or transfer the Software or this license without

the express written consent of TPS. This license is effective until terminated. You may terminate the license

at any time by destroying the Software and Manual. TPS may terminate the license if you fail to comply

with any of the Terms or Conditions. You agree to destroy the Software and manual upon termination of

the use of the product. All ownership, copyright and other intellectual property rights in and to the

Software belong to TPS. If these license terms are not acceptable, return any unused software and manual.

Confidentiality

This Manual, its contents and the Software (collectively, the “Confidential Information”) are the

confidential and proprietary information of TPS. You agree to treat TPS’ Confidential Information with a

degree of care no less stringent that the degree of care you would use in safeguarding your own most

valuable trade secrets. Nothing in this paragraph shall restrict you from disclosing Confidential Information

to your employees as may be necessary or appropriate to operate or care for the product. Such employees

must also keep the Confidentiality Information confidential. In the event you become legally compelled to

disclose any of the Confidential Information, you shall give TPS immediate notice so that it may seek a

protective order or other appropriate remedy.

Website; Other Statements

No statement contained at the TPS website (or any other website) or in any other advertisements or TPS

literature or made by an employee or independent contractor of TPS modifies these Terms and Conditions

(including the Software license, warranty and limitation of liability).

Safety

Improper use of the product can lead to injury to persons or property and/or malfunction of the product.

The product should only be repaired by authorized TPS warranty service centers. Users should review and

heed the safety warnings in an Appendix.

Restrictions on Use

SRL-35

radio modems have been designed to operate on frequency ranges, the exact use of which differs

from one region and/or country to another. The user of a radio modem must take care that the said device

is not operated without the permission of the local authorities on frequencies other than those specifically

reserved and intended for use without a specific permit.

Preface

vii

SRL-35 Operator’s Manual P/N: 1003224-01

The allowed max output power depends on the type of station.

SRL-35

is allowed to be used in the following countries, either on license free channels or on channels

where the operation requires a license. More detailed information is available at the local frequency

management authority.

Countries: AT, AU, BE, BG, CA, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MT, NL, NO,

PL, PT, RO, RU, SE, SK and US.

WARNING!

Users of SRL-35 radio modems in North America should be aware, that due to the allocation of

the frequency band 406.0 – 406.1 MHz for government use only, the use of radio modem on this frequency

band without a proper permit is strictly forbidden.

Miscellaneous

The above Terms and Conditions may be amended, modified, superseded, or canceled, at any time by TPS.

The above Terms and Conditions will be governed by, and construed in accordance with, the laws of the

State of California, without reference to conflict of laws.

Manual Conventions

This manual uses the following conventions:

Convention Description Example

Bold Menu, or drop-down menu selection FileExit (Click the File menu and click Exit)

Name of a dialog box or screen From the Connection screen...

Button or key commands Click Finish.

Mono User supplied text or variable Type guest, and click Enter.

Italic

Reference to another manual or help document Refer to the Topcon Quick Guide.

Further information to note about system configuration, maintenance, or setup.

Supplementary information that can have an adverse effect on system operation, system

performance, data integrity, measurements, or personal safety.

Notification that an action has the potential to result in system damage, loss of data, loss of

warranty, or personal injury.

Introduction

1

SRL-35 Operator’s Manual P/N: 1003224-01

• • • • • •

Introduction

The SRL-35 is an IP67 classified UHF radio modem with a high power (35W) transmitter, wide 70 MHz tuning

range (403...473 MHz) in one hardware and selectable channel spacing. The SRL-35 can offer radio speeds up

to 19.2 kbps and has a selectable serial interface speed between 300 … 38 400 bps.

The SRL-35 includes a built-in LCD display, offering the user both new features and increased flexibility. No

longer do you have to rely on access to a PC or terminal device to check or alter the configuration of the unit,

now this can be achieved by viewing the LCD Display and using the four (4) push buttons. The display is also a

useful tool in testing the radio connection between radio modems.

The SRL-35 facilitates the construction of large radio networks using the built-in Message Routing function,

which is both fully transparent to the user and can be used with most system protocols.

The radio modem also offers option of error correction, utilizing the FEC method (Forward Error Correction).

FEC can be used to minimize errors caused by noisy channels.

Figure 1: SRL-35

•

High output power of up to 35Watt

1

•

Wide 70 MHz (403-473 MHz) operating range

•

User selectable channel spacing (12.5, 20 or 25 kHz)

•

Fully compatible with third party radio broadcast

•

Multi-function user interface to indicate current operating status and configure the radio modem

Automatic prevention of overheating

•

Industry standard IP-67 rating to withstand harsh surveying and construction environment

1. 25W limited output power version is available as an order option for geographical areas where regulatory restriction on output power applies.

Introduction

Components and Accessories

2

SRL-35 Operator’s Manual P/N: 1003224-01

Components and Accessories

Table 1. Radio Modem

Part Number Description Notes

1002759-01 SRL-35 Radio Modem External 35W Radio Modem

Table 2. Power Accessories

Part Number Description Notes

1002448-01 CABLE,POWER(4) w/SAE & battery leads Radio Power Cable

14-008025-01 ALLIGATOR CLIPS TO SAE CABLE SAE to Battery Cable

Table 3. Communication Cables

Part Number Description Notes

1002447-01 Programming cable (1A) - D9f / ODU8m 2 m (no switch) Radio Interface (Data/Programming) Cable

1002451-01 Cable 2 m, ODU 8-pin male / 7-pin male Radio to Topcon Receivers (GR-5, HiPer V)

Interface Cable

Table 4. Antenna Accessories

Part Number Description Notes

1002782-01 NMO-TNC ANTENNA MOUNT Antenna Mount

1002452-01 Antenex antenna 406-430 MHz 406-430 MHz External Radio Antenna

1002453-01 Antenex antenna 430-450 MHz 430-450 MHz External Radio Antenna

1002454-01 Antenex antenna 450-470 MHz 450-470 MHz External Radio Antenna

14-008012-01LF CBL,TNC-TNC/RG58 (3 meter) TNC-TNC 3 meter Cable

14-008012-06LF CBL,TNC-TNC/RG58 (5 meter) TNC-TNC 5 meter Cable

Table 5. Carrying Case

Part Number Description Notes

20-830301-02 Soft case for Radio modem and cables Soft Carrying Case

Please contact your local Topcon dealer to determine the standard kit available in

your area and components included in the kit.

Introduction

Default Settings

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SRL-35 Operator’s Manual P/N: 1003224-01

Default Settings

The SRL-35 is shipped with the following default settings (unless otherwise specifically agreed):

Table 6. Default Settings

DEFAULT VALUES OF THE ADJUSTABLE SETTINGS (user can change settings later on)

Setting Default value Range

Radio frequency

Operating TX frequency 438.000 MHz Range: 403 - 473 MHz

Operating RX frequency 438.000 MHz Range: 403 - 473 MHz

Reference Frequency 438.000 MHz Range: 403 - 473 MHz

Channel Spacing 12.5 kHz Range: 12.5, 20 or 25 kHz

Radio settings

TX Power 35 W Range: 10, 20, 25 and 35 W

Signal threshold -115 dBm -80 … -118 dBm

FCS OFF ON/OFF

TX-Start Delay 0 ms 0-65535 ms

Radio Compatibility SATEL 3AS SATELLINE-3AS, PCC 4-FSK, PCC GMSK, TrimTalk 450s

(P), TrimTalk450s (T), PCC-FST

Addressing

RX Address OFF ON/OFF

TX Address OFF ON/OFF

RX addressing to RS port OFF ON/OFF

TX address auto switch OFF ON/OFF

Serial port 1

Status ON ON/OFF

Interface RS-232 Fixed

Data speed 9600 bps 300, 600, 1200, 2400, 4800, 9600, 19200, 38400 bps

Data bits 8 7, 8, 9

Parity bits None None, Even, Odd

Stop bits 1 1, 2

Handshaking Handshaking lines apply to the DATA-port.

CTS Clear to send Clear to send, TX buffer state

CD RSSI threshold RSSI- threshold, Data on channel,

Always ON, External Antenna Control

RTS Ignored Ignored, Flow Control, Reception Control

Pause length 3 bytes 3 … 255 bytes

Additional setup

Error correction OFF ON/OFF

Introduction

SRL-35 Special Features

4

SRL-35 Operator’s Manual P/N: 1003224-01

The power cable (+V

b

and GND) must be connected to a power supply with a proper output voltage

(+9…+16

V

DC

) and with a minimum output current of 15A.

Basic settings for the serial port of the host computer, when using a terminal program (TRU) to

communicate with the SRL-35 radio modem, are as follows: “COM1, 9600 bps, 8-bit data, none parity, 1

stop bit”.

If the serial port designated as COM1 in the host computer is reserved, any other free serial port in the host

computer can be used (with the settings listed).

SRL-35 Special Features

Call Sign

The SRL-35 has a CALL SIGN identifier feature required in some countries. A call sign can be formally

assigned by a government agency, informally adopted by individuals or organizations, or even

cryptographically encoded to disguise identity of a station.

A call sign is an FCC (in US) or other regulatory authority assigned identifier that is issued along with the

license for operating a radio modem. This field is for entering your call sign. The modem automatically

broadcasts the specified call sign periodically. If this field is empty, there is no call sign information.

Call sign can be transmitted using Topcon Receiver Utility (TRU). Advanced call sign setup can be found in

Program menu clause Radio settings and further in its sub clause Call sign. Refer to the Settings chapter for

detail on TRU and Program menu. Call sign has three (3) different setups. With Call Sign Mode you can set

Morse code transmission ON or OFF. Call Sign ID defines which Morse code will be transmitted. Only capital

letters and numbers are allowed. If the digits are wrong kind, there will be message: Value error. Small

letters will be converted to capital letters automatically. If Call Sign ID field remains empty, the Call Sign

transmission will not be activated. Call Sign Timer is the transmission delay of Morse codes. Minimum and

default transmission time is 15 minutes.

During Call sign transmission the CTS-line of the modem is not in active state. This is to inform terminal

equipment that the modem is not ready to neither receive data from serial port nor forward it. The modem

deletes all data (also SL commands), which has arrived to serial port during call sign transmission. Call sign

transmission lasts 1-4 seconds depending on the number of digits.

Error check OFF ON/OFF

Repeater OFF ON/OFF

SL-commands ON ON/OFF

Priority TX RX/TX

FullCR16 Check OFF ON/OFF

Routing OFF ON/OFF

Tests OFF ON/OFF

Table 6. Default Settings

Terms “PCC”, “PacCrest”, and “PDL” are used interchangeably in this document as well as in

common industry practice.

Introduction

SRL-35 Special Features

5

SRL-35 Operator’s Manual P/N: 1003224-01

Temperature Protection of RF Power Amplifier

RF power amplifier is protected against overheating. The power of transmitter is lowered step by step if the

inner temperature exceeds certain levels as shown below.

When the ambient temperature is under 30°C and transmitter duty cycle does not exceed 40%, the

temperature inside the modem does not exceed the trigger level.

The internal temperature is measured in the beginning of every transmission and at once when modem

cools down. The carrier power increases with falling temperature so that at 88°C carrier power goes to

10W, at 83°C to 20W, at 78°C to 25W and at 73°C the modem operates again at the full 35W carrier power.

Protection of Current

In case of a bad antenna impedance matching the current consumption of the Power Amplifier may be too

high. For this reason the maximum current is limited to 12 A. If the current tends to increase over 12 A, the

automatic power control decreases the power level until the current drops under 11.5 A. LCD indicates the

actual power level of the transmitter. A new transmission starts always with the nominal power level. The

power control scheme is applied only when the nominal power level is 35W.

Table 7. Temperature

Temperature inside a modem Carrier power

Over 75°C 25 W

80°C 20 W

85°C 10 W

90°C 0 W (transmitter OFF)

Radio Interface

6

SRL-35 Operator’s Manual P/N: 1003224-01

• • • • • •

Radio Interface

The SRL-35 radio has three interfaces; Communication, User, and RF, and the Power connection. The power

connector on SRL-35 is a 4-pin mini style ODU connector. This chapter describes three interfaces available on

the SRL-35 in detail.

Figure 2: Radio Interfaces

Serial Interface

The radio modem is referred to as DCE (Data Communication Equipment) whereas the PC is referred to as DTE

(Data Terminal Equipment). The SRL-35 includes a 8-pin ODU which contains all the connections required to

establish communication between the radio modem, acting as the DCE, and the PC, acting as the DTE.

All EMC requirements set forth by authorities have been taken into account in the design of the radio modem.

The radio modem user is thereby not required to take any special actions regarding EMC-shielding (of the radio

modem).

The radio modem has one serial port,

Port 1

which complies with the RS-232 standard.

Description of Pins:



•

RX

=

Output of the data received from the radio modem to the DTE.

•

TX

=

Input of the data to be transmitted from the DTE to the radio modem.

•

CTS

=

C

lear

T

o

S

end.

User Interface

Power Connector

Communication Interface

RF Connector

(Not Shown in Photo)

Table 8. 8-pin ODU Pinouts

Signal 8-pin ODU

RX 4

TX 5

CTS 2

RTS 1

GND 3

MODE 6

Radio Interface

User Interface

7

SRL-35 Operator’s Manual P/N: 1003224-01

•

RTS

=

R

equest

T

o

S

end.

•

MODE

=

operational mode. When the MODE-line is connected to ground (GND), the radio modem

enters the Programming Mode, which is used to change the settings of the radio modem (i.e.

configuration, set-up). If the MODE-line is not connected, the radio modem will enter the Data

Transfer Mode, in which data can be transmitted and received. The Programming Mode is used only

when installing a radio modem and changing the operational parameters of a network. Normally the

radio modem is always in the Data Transfer Mode.

•

GND

=

both the negative pole of the operating voltage and the signal ground.

User Interface

LED Indicators

There are five (5) LED indicators on the front panel of the radio modem, and they give an indication of the

status of the serial port and the radio interface.

Display and Push Buttons

The SRL-35 includes a LCD Display with a backlight. In the Data Transfer Mode the display will show the

operating settings of the radio modem, for example the radio field strength and the supply voltage. By

using the push buttons and the LCD Display, it is possible to change most of the settings of the radio

modem, without the need for an external terminal. The display backlight illuminates automatically as soon

as a button is pressed.

The radio modem will shift into the Programming Mode by pressing the

SETUP

button (

■

). When activated

the menu shows a listing of the changeable parameters.

With the help of the main menu, sub-menus can be selected which in turn can be used to change the

settings. You can always return to the previous higher level of the menu structure by pressing the

CANCEL

(or BACK) push buon (●). Pressing the 5 or 6 buon changes sengs or moves in the menu. Selecons

are confirmed by pressing the

SELECT

or

SET

button. In case of numerical values the digit to be changed is

selected by pressing the

SRL-35 LCD Display After Power-up

The display shows the basic information which is revolving automatically in 5 seconds.

Table 9. Description of the LED-indicators

LED Indication OFF Red Orange Green

RTS RTS-line status Inactive Active

CTS CTS-line status Inactive Active

TX TX-line status No data Data Test TX ac tive

RX RX-line status No data Data

CD Radio status No signal Transmission Noise Reception

Radio Interface

User Interface

8

SRL-35 Operator’s Manual P/N: 1003224-01

Display in Data Transfer Mode (transmit/receive mode)

Info - Setup

By pressing the

INFO

buon (●) the modem goes to detailed informaon about the modem’s sengs.

By pressing the

SETUP

button (

■

) the modem goes to the programming menu.

Display in Info Mode

Pressing



shows the next window.

n-123 11.5V

CH4 10W

462.37500/12.5

INFO SETUP

n-123: Field strength of last received transmission

or noise level.

11.5V = Supply Voltage/Battery level indicator.

CH4 = Current Channel

10W = Current Output Transmission Power

462.37500 = Operational TX/RX Frequency

12.5 = Channel Spacing

Protocol

PacCrest - 4FSK

Exit 

Protocol

Repeater OFF

FEC OFF

Port 1 9600/8N1

Exit 

Repeater

FEC

Port 1 : Port interface and status

RX Address

RX1 OFF

RX2 OFF

Exit 

RX Address

TX Address

TX1 OFF

TX2 OFF

Exit 

TX Address

Radio Interface

RF Interface

9

SRL-35 Operator’s Manual P/N: 1003224-01

Display in Setup Mode

RF Interface

The SRL-35 has a single TNC type RF-connector with impedance of 50 Ohm.

When the modem is supplied the frequency is set to “default channel”. The user can change the frequency

afterwards by 70 MHz. Of course, all local regulations set forth by the authorities must be taken into

consideration.

The data speed of the radio interface is set to “default speed”. It can also be set afterwards.

S/N XXXXXX

FW XXXXXX

Exit 

Serial Number

FW: Firmware Version

Board: SPL0005E

+SLR-35

IM:05

Exit 

Board: HW version

IM: Interface module type

Radio Interface

RF Interface

10

SRL-35 Operator’s Manual P/N: 1003224-01

A channel spacing of 25 kHz enables a data speed of 19200 bps and a channel spacing of 12.5 / 20 kHz

enables, correspondingly, a data speed of 9600 bps. The data speed of the radio interface is always fixed

(19200 bps or 9600 bps) irrespective of the data speed of the serial interface. If the data speeds of the radio

interface and the serial interface differ from each other, the radio modem will buffer the data in transfer

temporarily, so no data loss will occur.

Transmitter

The output power of the transmitter is adjustable. The greatest allowable power depends on limits set by

local authorities, which should not be exceeded under any circumstances. The output power of the

transmitter should be set to the smallest possible level, which still ensures error free connections under

variable conditions. Large output power levels using short connection distances can, in the worst case,

cause disturbances to the overall operation of the system.

A product variant providing 25 W power levels is available by separate order.

Receiver

The sensitivity of the receiver depends on the channel spacing of the radio modem (=data speed of the

radio interface) and on the mode of the FEC (error correction) according to the table below:

Table 10. Typical output power levels

OUTPUT POWER dBm

10 W +40

20 W +43

25 W +44

35 W +45,4

Setting the radio data modem output power level to that which exceeds the regulations

set forth by local authorities is strictly forbidden. The setting and/or using of non-

approved power levels may lead to prosecution. Topcon and its distributors are not

responsible for any illegal use of its radio equipment, and are not responsible in any way

of any claims or penalties arising from the operation of its radio equipment in ways

contradictory to local regulations and/or requirements and/or laws.

Table 11. Receiver Channel Spacing and FEC

Channel

spacing

FEC OFF FEC ON

25 kHz -108 dBm -111 dBm

20 kHz -111 dBm -114 dBm

12.5 kHz -111 dBm -114 dBm

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