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6. If there is a shield around the telephone cable, it may be con-

nected to "G" on the terminal block.  To avoid ground loops, we recom-
mend connecting the shield at the computer end only.  A ground wire is
not necessary for proper operation of these units.

7. When you finish connecting the wires to the terminal block, the

assembly should resemble the diagram below:

8.  Place the 2 halves of the strain relief assembly on either side

of the telephone wire and press together very lightly.  Slide the assem-
bly so that it is about 2 inches from the terminal posts and press
together firmly.  If your cable diameter is too small or too large for our
strain relief, please contact our technical support.  We have strain relief
assemblies to accommodate most cable diameters.

+RCV-   G   -XMT+

+RCV-   G   -XMT+

8

9.  Insert the strain relief assembly with the wire going through it

into the slot in the bottom half of the converter case and set it into the
recess in the case.  If the telephone wire does not fit, please contact
our technical support.  We have gauges to accommodate most wire
diameters.

10.  BEND the top half of the case as necessary to place it over

the strain relief assembly.  Do not snap the case together yet.  

11.  Insert one captive screw through a saddle washer; then insert

the captive screw with the washer on it through the hole in the DB-25
end of the case.  Snap that side of the case closed.  Repeat the
process for the other side.  This completes the cable installation
process.

+RCV-   G   -XMT+

7

Содержание 2017A

Страница 1: ...USER MANUA L MODEL 2017A RS 232 to 20ma Current Loop Converter SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com Part 07M2017A A Doc 073021UA Revised 10 15 93...

Страница 2: ...ber may be obtained from Patton Electronics Technical Service at 301 975 1007 Packages received without an RMA number will not be accepted Patton Electronics technical staff is also available to answe...

Страница 3: ...TCH Figure 1 shows the location of the DCE DTE switch on the PC board as well as the location of the terminal block and surge suppres sors For your convenience the Model 2017A has an externally acces...

Страница 4: ...or and the lip of the plastic case see below You don t have to worry about breaking the plastic but be careful not to bend the D sub connector Once the unit has been opened you will be able to see the...

Страница 5: ...r strain relief please contact our technical support We have strain relief assemblies to accommodate most cable diameters RCV G XMT RCV G XMT 8 9 Insert the strain relief assembly with the wire going...

Страница 6: ...ular version of the Model 2017A has an RJ 11 or RJ 45 jack mounted in the case These jacks are prewired for a standard TELCO wiring environment To be sure you have the right wiring use the table below...

Страница 7: ...APPENDIX B PATTON MODEL 2017A BLOCK DIAGRAM APPENDIX C PATTON MODEL 2017A RS 232 PIN CONNECTIONS PIN SIGNAL 1 FG 2 TD 3 RD 4 5 6 8 20 7 GND 9 V 11 12...

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