PairGain HTC-439 Bedienungsanleitung
HIGAIN TEST CARD
PAIRGAIN TECHNOLOGIES, INC.
ENGINEERING SERVICES TECHNICAL PRACTICE
SECTION 150-101-100-02
Model List Number Part Number CLEI Code
HTC-439 1 150-1559-01 T1DQAB1J
150-101-100-02, Revision 02
ii June 8, 1999 HTC-439 List 1
Revision History of This Practice
©Copyright 1999 PairGain Technologies, Inc.
PairGain and HiGain are registered trademarks of PairGain Technologies, Inc.
Information containedin thisdocumentis company privateto PairGain Technologies,Inc.,
and shall not be modified, used, copied, reproduced or disclosed in whole or in part without
the written consent of PairGain.
Other product names mentioned in this practice are used for identification purposes only
and may be trademarks or registered trademarks of their respective companies.
Revision Release Date Revisions Made
01 November 10, 1997 Initial Release
02 June 8, 1999 Reversed Tip and Ring pin assignments
150-101-100-02, Revision 02 Using This Technical Practice
HTC-439 List 1 June 8, 1999 iii
USING THIS TECHNICAL PRACTICE
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DOCUMENTATION
If you have comments on this PairGain document, send an email to
technical_publications@pairgain.com. Type the product name and the
section number of the document in the subject area of the email message.
INSPECTING THE SHIPMENT
Upon receipt of the equipment:
•Unpack each container and visually inspect the contents for signs of
damage. If the equipment has been damaged in transit, immediately
report the extent of damage to the transportation company and to
PairGain. Order replacement equipment, if necessary.
•Check the packing list to ensure complete and accurate shipment of each
listed item. If the shipment is short or irregular, contact PairGain as
described inthe Warranty located inside the backcover. If you must store
the equipment for a prolonged period, store the equipment in its original
container.
Notes contain information about special circumstances.
Cautions indicate the possibility of equipment damage or
the possibility of personal injury.
Table of Contents 150-101-100-02, Revision 02
iv June 8, 1999 HTC-439 List 1
TABLE OF CONTENTS
Overview________________________________________________1
Features ....................................................................................1
Test Card ..................................................................................2
Installation ______________________________________________3
Testing a Circuit__________________________________________3
Appendix A - Specifications ________________________________6
Appendix B - Glossary_____________________________________7
Appendix C - Product Support______________________________8
Technical Support.....................................................................8
World Wide Web......................................................................8
Returns......................................................................................9
Certification and Warranty __________________Inside Back Cover
LIST OF FIGURES
Figure 1. HTC-439 List 1 Test Card.......................................................2
Figure 2. HTC-439 List 1 Test Connections...........................................5
LIST OF TABLES
Table 1. Test Connections ......................................................................4
150-101-100-02, Revision 02 Overview
HTC-439 List 1 June 8, 1999 1
OVERVIEW
This practice describes the PairGainHiGainTest Card HTC-439 List 1.
The HTC-439 provides a convenient method of testing Central Office (CO)
and Field Tip and Ring transmit and receive pairs from any standard T1-239
repeater slot.
FEATURES
•Four-position slider switch (S1) that allows you to select the kind of test
you wish to perform on the transmit (XMT) and receive (RCV) Tip and
Ring pairs on CO and field circuits:
–Open
–Short
–Loop Thru
–Loop Back (metallic)
•Test points that provide access to Tip and Ring circuits (CO and field)
and to frame ground.
•Miniature210jacks locatedwithinthe J1block thatprovide accesstoCO
and field Tip and Ring circuit sides.
•Designed to extend beyond the front plane of the shelf or enclosure into
which the HTC-439 is inserted to permit easy access to its test points.
Overview 150-101-100-02, Revision 02
2 June 8, 1999 HTC-439 List 1
TEST CARD
Test points on the HTC-439 (Figure 1) provide access to each circuit under
test as well as to frame ground. The four-position test slider switch (S1)
selects which test (Open, Short,Loop Thru, or Loop Back) is to be performed
on CO and field circuits. The Open switch position effectively provides a
splitting-type access to one pair of the CO and field sides and the 210 jacks.
The Loop Back or Loop Thru switch positions allow you to use the two
miniature 210 jacks located within the J1 block. All tests are run on both side
1 and side 2. Refer to “Testing a Circuit” on page 3 for further information.
Figure 1. HTC-439 List 1 Test Card
CO
SIDE 1
SIDE 1
T
T
R
R
TP5
TP6
TP9
TP8
CO
CO
TP3
TP4
TP12
TP11 TP1
FIELD
FIELD
OPEN
SHORT
LOOP THRU
LOOP BACK
FIELD
SIDE 2
SIDE 2
PairGain
S1 switch
S1 switch
positions Circuit schematic
Conector pins
1
1
2
Miniature
210 jacks
Test points
150-101-100-02, Revision 02 Installation
HTC-439 List 1 June 8, 1999 3
INSTALLATION
1Insert the HTC-439 into the shelf slot for the channel you want to test.
2Push the card all the way into the slot until the card is firmly seated.
TESTING ACIRCUIT
Use the HTC-439 to test circuits, as follows:
1Set the slider switch S1 to the type of test you want to perform (Open,
Short, Loop Thru, or Loop Back).
2Connect to test points as applicable. The connections of Tip and Ring
pairs of CO and field circuits for each setting of the switch are listed in
Table 1 on page 4 and illustrated in Figure 2 on page 5. (Pin numbers
correspond to the edge connector pins for each circuit.)
3Perform the selected test.
4Monitor the circuits at the corresponding test points on the card.
5Repeat steps 1 through 4 as required.
All wiringexternal to the productshould followthe provisions
of the current edition of the National Electrical Code.
Testing a Circuit 150-101-100-02, Revision 02
4 June 8, 1999 HTC-439 List 1
Table 1. Test Connections
Connect Pin Number To Pin Number
Loopback - This switch position connects the following circuits
CO Tip 6CO Tip 9
CO Ring 5CO Ring 8
Field Tip 4Field Tip 12
Field Ring 3Field Ring 11
Loopthru - This switch position connects the following circuits
CO Tip 6Field Tip 4
CO Ring 5Field Ring 3
CO Tip 9Field Tip 12
CO Ring 8Field Ring 11
Short - This switch position connects the following circuits
CO Tip 6CO Ring 5
CO Tip 9CO Ring 8
Field Tip 4Field Ring 3
Field Tip 12 Field Ring 11
Open - This switch position removes all connections between the circuits
150-101-100-02, Revision 02 Testing a Circuit
HTC-439 List 1 June 8, 1999 5
Figure 2. HTC-439 List 1 Test Connections
CO
SIDE 1
SIDE 1
T
T
R
R
TP5
TP6
TP9
TP8
CO
CO
TP3
TP4
TP12
TP11 TP1
FIELD
FIELD
OPEN
SHORT
LOOP THRU
LOOP BACK
FIELD
SIDE 2
SIDE 2
PairGain
To/From
CO Equipment
TP1
Test point 6
(TP6)
LOOP THRU TIP
TIP
RING
RING
SIDE 1
SIDE 2
6
9
5
8
TIP
TIP
RING
RING
4
3
12
11
SHORT TIP
TIP
RING
RING
SIDE 1
SIDE 2
6
9
5
8
TIP
TIP
RING
RING
4
3
12
11
OPEN TIP
TIP
RING
RING
SIDE 1
SIDE 2
6
9
5
8
TIP
TIP
RING
RING
4
3
12
11
To/From
Field
Equipment
1
10
FRAME GND
FRAME GND
LOOP BACK TIP
TIP
RING
RING
SIDE 1
SIDE 2
TIP
TIP
RING
RING
9
5
8
4
3
12
11
TP6 TP4
TP5 TP3
TP9 TP12
TP8 TP11
6
Appendix A - Specifications 150-101-100-02, Revision 02
6 June 8, 1999 HTC-439 List 1
APPENDIX A - SPECIFICATIONS
Mounting Any T1-239 repeater mechanics slot
Environmental
Operating Temperature: 40 °F to + 149 °F (-40 °C to + 65 °C)
Operating Humidity: 5% to 95% (non condensing)
Dimensions and Weight
Height: 3.1 in. (7.87 cm)
Width: 0.6 in. (1.52 cm)
Depth: 8.4 in. (21.34 cm)
Weight: 0.30 lb. (0.66 kg)
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