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Section 365–361–206

Equipment Issue 6

First Printing, September 2003

Telecommunications Group

2003 Charles Industries Ltd.

All rights reserved. Printed in United States of America.
The availability of features and technical specifications herein subject to change without notice.

Page 1 of 11

3653–61 4-Wire Transmission Only with Extended Range

(4W TO W/ER) Channel Unit

CONTENTS

PAGE

Part 1.

GENERAL

2

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Part 2.

INSPECTION

2

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Part 3.

APPLICATION GUIDELINES

3

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Part 4.

CIRCUIT DESCRIPTION

5

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Part 5.

MOUNTING

6

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Part 6.

INSTALLER CONNECTIONS

6

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Part 7.

OPTIONS

6

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Part 8.

ALIGNMENT

8

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Part 9.

TESTING

8

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Part 10.

TECHNICAL ASSISTANCE

8

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Part 11.

WARRANTY & CUSTOMER SERVICE

8

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Part 12.

SPECIFICATIONS

9

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3653–61

LINE

DROP

T
&

R

T1

&

R1

LINE

DROP

4W TO

W/ER

ISS. 6

Figure 1.  3653–61 (Issue 6) 4W Transmission Only with Extended Range (4W TO W/ER) Channel Unit

Summary of Contents for 3653-61

Page 1: ...mission Only with Extended Range 4W TO W ER Channel Unit CONTENTS PAGE Part 1 GENERAL 2 Part 2 INSPECTION 2 Part 3 APPLICATION GUIDELINES 3 Part 4 CIRCUIT DESCRIPTION 5 Part 5 MOUNTING 6 Part 6 INSTAL...

Page 2: ...to 32 5dB in 0 1dB increments in both the transmit and receive paths Front panel accessible breaking jacks Lead conditioning trunk processing relay controls leads 1 and 2 during carrier failure The br...

Page 3: ...cations that do not require signal ing The ER feature allows signals to be transmitted and received to accommodate a range of Transmission Level Points TLPs between 10 to 22 5dBm Refer to Figure 2 Fig...

Page 4: ...ELAY K3 7 Receptacle type optional strap Alternate position XXXX X NOTES 1 PC board connector pin 2 Primary transmission path 3 Signal flow direction 4 Front panel marking 5 Open closed screw option 8...

Page 5: ...lifting jacks to trans former T1 Transformer T1 provides a balanced input and dc isolation from the line Voice energy from transformer T1 is routed into the XMT GAIN and XMT PRESCRIPTION GAIN circuits...

Page 6: ...lide the unit into the slot with the front panel in a horizontal up position When the top portion of the hinged front panel is under the front lip of the terminal push down on the front panel until it...

Page 7: ...ration Leave Jumper Wire YC For an 8 bit decoding scheme in the receive path Cut Jumper Wire For a 7 5 6 bit decoding scheme in the receive path Leave Jumper Wire 7 1 Switches S4 and S5 Transmit and R...

Page 8: ...witches half of S4 and S5 are prescription controls that provide gain from zero to 32 5dB in increments of 0 1dB to accommodate an output TLP range from 10 to 22 5dBm To adjust the receive path to the...

Page 9: ...ranty Units Charles Industries Ltd offers a standard repair or exchange service for units either in or out of warranty With this service units may be shipped to Charles Industries for either repair an...

Page 10: ...B RCV dB 60 14 maximum 200 2 to 0 5 1 to 0 300 0 15 0 15 1000 0 REF 0 REF 3000 0 15 0 15 3200 0 75 to 0 15 0 75 to 0 15 3400 1 5 to 0 1 5 to 0 4000 14 maximum 14 maximum 4600 32 maximum 32 maximum g 1...

Page 11: ...DISTORTION 40dB maximum from 0 to 4kHz 28dB maximum from 4kHz to 12kHz p TYPICAL CURRENT DRAIN AT 48Vdc 19mA 12 2 Physical The physical characteristics of the 3653 61 are shown in Table 3 Table 3 Phys...

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