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Section 365–001–201

Equipment Issue 1

Fourth Printing, February 2000

Telecommunications Group

2000 Charles Industries Ltd.

CLEI is a trademark of Bell Communications Research, Inc.
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 12

3650–01/03 2-Wire Equalized Transmission Only Channel

Units with Lead Conditioning (2W ETO w/LC

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

3

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Part 5.

MOUNTING

6

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Part 6.

INSTALLER CONNECTIONS

6

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Part 7.

OPTIONS

7

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Part 8.

ALIGNMENT

9

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Part 9.

TESTING

9

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Part 10.

TECHNICAL ASSISTANCE

9

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Part 11.

WARRANTY & CUSTOMER SERVICE

10

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Part 12.

SPECIFICATIONS

11

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Figure 1.  3650–01 2W ETO w/LC Channel Unit

Summary of Contents for 3650-01

Page 1: ...ein subject to change without notice Page 1 of 12 3650 01 03 2 Wire Equalized Transmission Only Channel Units with Lead Conditioning 2W ETO w LC CONTENTS PAGE Part 1 GENERAL 2 Part 2 INSPECTION 2 Part...

Page 2: ...brid balancing compromise network of 2 15 uF in series with 900 ohms 3650 01 or 600 ohms 3650 03 Built in jack J3 to mount an optional 3690 00 10 compromise network subassembly or an optional 3690 01...

Page 3: ...n 4 CIRCUIT DESCRIPTION Refer to the block diagram in Figure 3 while reading the following circuit description 4 1 Transmit VF Path VF signals applied to the input tip and ring leads pins 50 and 48 ar...

Page 4: ...Section 365 001 201 4 Figure 3 Block Diagram...

Page 5: ...coding close option YC 10 Coil type test point 22 Screw options AC BC and JC are used to provide sealing cur rent Close Option Open Option Function AC BC JC Supply sealing current to the loop JC AC BC...

Page 6: ...es and connector to verify proper alignment and the absence of foreign material CAUTION Use the following steps to mount the unit Step Action 1 Align the channel unit with the appropriate card guided...

Page 7: ...acing all of the jumpers in the OUT position results in 0 dB attenuation 7 5 RCV Attenuation push on jumpers Eight push on jumpers select up to 16 5 dB attenuation in 0 1 dB increments for adjusting t...

Page 8: ...ttenuation when all jumpers are in the IN position See part 7 5 A Set to the OPEN position if jack J3 is equipped or if an external PBN BOC is used Open Closed AC BC JC For external sealing current at...

Page 9: ...t TLP range from 6 to 10 5 dBm To adjust the receive path to the proper operating level the difference between 6 and the receive TLP at T1 and R1 must be obtained RCV ATTN 6 TLP For an output TLP of 1...

Page 10: ...n the out of service unit in the carton in which the replacement was shipped using the pre addressed shipping label provided Call your customer service representative at the telephone number above for...

Page 11: ...0 49 to 0 24 3400 0 to 1 2 0 to 1 2 4000 14 minimum 14 minimum 5100 32 minimum 32 minimum g Longitudinal balance 62 dB or less at 200 Hz to 1 kHz 60 dB or less at 3 kHz h Signal to distortion ratio 3...

Page 12: ...cifications are shown in Table 3 Table 3 Physical Specifications Feature U S Metric Height 4 2 inches 10 6 centimeters Width 1 35 inches 3 4 centimeters Depth 10 3 inches 26 7 centimeters Weight 16 ou...

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