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Charles 3650-01 Manual

2-wire equalized transmission only channel units with lead conditioning (2w eto w/lc)
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3650-01/03 2-Wire Equalized Transmission Only Channel
Units with Lead Conditioning (2W ETO w/LC
CONTENTS
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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.
Telecommunications Group
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Figure 1. 3650-01 2W ETO w/LC Channel Unit
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Section 365-001-201
Equipment Issue 1
Fourth Printing, February 2000
Page 1 of 12
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Summary of Contents for Charles 3650-01

  • Page 1: Table Of Contents

    ..............Figure 1. 3650–01 2W ETO w/LC Channel Unit 2000 Charles Industries Ltd. CLEI is a trademark of Bell Communications Research, Inc.

  • Page 2: Part 1. General

    900-ohm balanced interface, while the 3650–03 provides a 600-ohm balanced interface. The 3650–01 is shown in Figure 1. Equipment Location/Mounting This unit occupies one channel unit slot of a Charles Industries 360/363 D4 Digital Carrier Terminal Channel Bank assembly. Equipment Features The 3650–01/03 2-Wire ETO w/LC Channel Units include the following features:...

  • Page 3: Part 3. Application Guidelines

    APPLICATION GUIDELINES The 3650-01/03 channel units provide a voice path without signaling. Typical applications are for private line data services requiring a metallic facility extension, tandem circuits employing inband signaling such as SF circuits, and other applications where voice transmission without signaling is required.
  • Page 4 Section 365–001–201 Figure 3. Block Diagram...
  • Page 5 Table 1. Notes for Figure 3 Note Note XMT input range at tip and ring: +7 dBm to –7.5 dBm. The unit is Connector factory adjusted for 0 dBm input. The XMT ATTEN is set for 9.5 dB attenuation. Primary transmission path RCV output range at tip and ring: +6 dBm to –10.5 dBm.

  • Page 6: Part 5. Mounting

    Section 365–001–201 Trunk Processing During a Carrier Group Alarm (CGA) Upon carrier failure, the CGAW bus goes to ground immediately; it then winks open for 70 milliseconds approxi- mately 2.5 seconds later. The CGAW bus controls the TP relay which controls the status of the 1 (pin 2) and 2 (pin 6) lead pins.

  • Page 7: Part 7. Options

    Additional information about the equalizer is available in the 3691–XX documentation. Comp Net/PBN—Hybrid Balancing (J3) A Charles Industries 3690–00/10, –01/11, –02/12, or –03/13 BPN Subassembly can be ordered separately and inserted into jack J3 to provide hybrid balancing. Refer to the 3690–XX documentation for more information.
  • Page 8 Section 365–001–201 Figure 4. 3650–01/03 ETO w/LC Options Table 2. 3650–01/03 ETO w/LC Option Description Option Function/Remarks Position Jack for mounting an optional transmit post-equalizer (3691–00/01). See documentation for 3691–00/01 Jack for mounting optional compensation network/PBN 3690–00/10, See documentation –01/11, –02/12, or –03/13. for 3690–XX Jack for mounting an optional receive pre-equalizer 3691–00/01 See documentation...

  • Page 9: Part 8. Alignment

    Channel unit testing for fault diagnosis or verification of circuit operation is provided in section 360–001–20X. TECHNICAL ASSISTANCE 10.1 Technical Assistance — U.S. If technical assistance is required, contact Charles Industries’ Technical Services Center at: 847–806–8500 847–806–8556 (FAX) 800–607–8500 techserv@charlesindustries.com (e-mail) 10.2...

  • Page 10: Part 11. Warranty & Customer Service

    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 and quality testing or exchanged for a replacement unit, as determined by Charles Industries. Follow the Repair Service Procedure below to return units and to secure a repair or replacement.

  • Page 11: Part 12. Specifications

    SPECIFICATIONS 12.1 Electrical (Single-Ended) (a) Transmit input TLP range: –9.5 to +7 dBm (b) Receive output TLP range: –10.5 to +6 dBm (c) Transmit prescription attenuation: 0 to 16.5 dB in increments of 0.1 dB (d) Receive prescription attenuation: 0 to 16.5 dB in increments of 0.1 dB (e) Transmit and receive port impedance: 3650–01, 900 ohms + 2.15 uF;...
  • Page 12 Section 365–001–201 12.2 Physical Physical specifications are shown in Table 3. Table 3. 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 ounces 455 grams Temperature 32 to 122 F 0 to 50 C...

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3650-03

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