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Short-Range Modem Pair 

PRODUCT MANUAL 

Item # 3365WD2 

®

Summary of Contents for 3365WD2

Page 1: ...Short Range Modem Pair PRODUCT MANUAL Item 3365WD2 ...

Page 2: ...ith the features and operation of your new Short Range Modem Pair Please read this manual thoroughly before using your instrument For customer support or to place an order call Spectrum Technologies Inc at 800 248 8873 or 815 436 4440 between 7 30 am and 5 30 p m CST FAX at 815 436 4460 or E Mail at info specmeters com Spectrum Technologies Inc 12360 S Industrial Dr East ...

Page 3: ... components of the short range modem pair are as follows 1 Optically Isolated RS 485 Converter 2 3349CB RS 422 Connector Assembly 3 Short range modem adaptor and modular con nector cable 4 A C adapter The 2 converters must be connected by a length of 6 wire cable 2 twisted pair 1 ground 1 volt age The recommended wire type is number 24 AWG twisted pair telephone cable with a shunt capacitance of 1...

Page 4: ...erminals of one con verter should be connected to the corresponding terminal of the other The black wire from the A C adaptor is connected to the GRD terminal of the RS232 RS485 converter The black white wire connects to the 12V terminal If the case of the 03349CB RS422 Converter has been closed it can be opened by inserting a screwdriver in the side slots and rotating to separate the halves Note ...

Page 5: ...necting to the Computer The 9 pin female connector of the RS232 RS485 converter connects to the computer data port This converter is opti cally isolated so voltage spikes in the twisted pair cable should not damage your computer In SpecWare go to File Preferences Communication Advanced Options Uncheck the Hardware Flow Control RTS see fig 3 This must be unchecked for the modem to work correctly Fi...

Page 6: ...air cable into the notch in the right most hole and snap the cap over the hole The flat edge of the cap should rest against the cable The converter and adapter fit snuggly behind the sensor wires as shown in the photo below This will make it easier to remove and replace external sensor wires Note It is advisable to confirm the connection before installation of the cable Connecting to Weather Stati...

Page 7: ...rum will at its op tion either repair or replace products that prove to be de fective This warranty does not cover damage due to im proper installation or use lightning negligence accident or unauthorized modifications or to incidental or consequen tial damages beyond the Spectrum product Before return ing a failed unit you must obtain a Returned Materials Au ...

Page 8: ...12360 S Industrial Dr East Plainfield IL 60585 800 248 8873 or 815 436 4440 FAX 815 436 4460 E Mail info specmeters com www specmeters com Rev 05 2012 ...

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