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CS-SRM 

 Short Range Modem 

Package

 

 
 
 
 
 
 
 

User Guide

 

 
 
 
 
 

 
 
 
 
 
 

 
 
 

Issued  26.6.07 

 

 
 
 
 
 
 
 

 
 
 
 
 
 
 

Copyright 

©

 1995, 2007 Campbell Scientific Ltd. 

 
 

CSL 700 

Summary of Contents for CS-SRM

Page 1: ...CS SRM Short Range Modem Package User Guide Issued 26 6 07 Copyright 1995 2007 Campbell Scientific Ltd CSL 700...

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Page 3: ...lieu of all other guarantees expressed or implied including those of suitability and fitness for a particular purpose Campbell Scientific is not liable for consequential damage Please inform us befor...

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Page 5: ...rotection from Transients 4 4 Operating Distance 6 Figures 1 Typical installation of CS SRM in logger enclosure 2 2 Block Diagram of CS SRM Installation 3 3 Wiring and Installation of Surge Protectors...

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Page 7: ...contact Campbell Scientific for advice R A D R A D S R M 5 A S R M 5 A U L R T H I S E Q U I P M E N T C O M P L I E S W I T H T H E R E Q U I R E M E N T S I N P A R T I S O F F C C R U L E S F O R...

Page 8: ...mission range Up to 12km see Table 1 Line Interface 5 way four wires and ground via terminal block Power Requirements No external power required Takes less than 2 5mA quiescent 10 15mA active with SC9...

Page 9: ...the receive pair to the terminals labelled RCV See Figure 2 note that the wires labelled A and B are one twisted pair of the cable and the wires labelled C and D are the other twisted pair A ground t...

Page 10: ...ansients in the interconnecting cable Please be aware that the RAD SRM linked to the computer can still be damaged by transients coming from the PC and in such circumstances considerable damage is als...

Page 11: ...User Guide DCE DTE Switch Figure 3 Wiring and Installation of Surge Protectors for a Typical CS SRM Setup 5...

Page 12: ...5 5km 4 0km For distances up to 100m twin twisted pair cable such as that used for normal telephone installations will suffice For greater distances an overall screened twin twisted pair such as Beld...

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Page 14: ...ll Scientific Canada Corp CSC 11564 149th Street NW Edmonton Alberta T5M 1W7 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Ltd CSL Campbell Park 80 Hathern Road Shepshed Lou...

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