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TC Communications TC8614 User Manual

4 ch. 600? analog & dry contact over t1/e1 multiplexer
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TC8614
4 CH. 600Ω Analog & Dry
Contact over T1/E1
Multiplexer
User Manual
MNL-86140-01-04

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Summary of Contents for TC Communications TC8614

  • Page 1 TC8614 4 CH. 600Ω Analog & Dry Contact over T1/E1 Multiplexer User Manual MNL-86140-01-04...
  • Page 2 Other product and brand names may be trademarks or registered trademarks of their respective owners. Documentation Disclaimer This document is provided “as-is” and is to be used only as a general guide. TC Communications disclaims all warranties, express or implied, regarding the accuracy of the information. TC Communications shall not be liable for any indirect, special, incidental, or consequential damages (including damages for loss of business, loss of profits, loss of business information, business interruption or other pecuniary loss) arising out of errors in this document.
  • Page 3 Updated product photos. Updated LED definitions front and rear panels. Added Latched Alarm section. Added remote unit status and remote unit reset section. Add Appendix C for R2 (“Reset Too”) push button and LED funtions. Move old Appendix C to Appendix D. TC8614 Rev 1.4 User Manual...
  • Page 4 These alert symbols are used in Caution, Warning, and Danger notes. Symbol Meaning Pinching or crushing hazard Electrical hazard. Equipment alert: be careful of damage from static electricity General alert: used for all other hazardous conditions (referring to people, not equipment). TC8614 Rev 1.4 User Manual...

  • Page 5: Table Of Contents

    LED Functions ..........C-2 TC8614 Rev 1.4...
  • Page 6 Limitation of Liability ........D-2 TOC-2 TC8614 Rev 1.4 User Manual...

  • Page 7: Introduction

    TC8614 600Ω Analog & Dry Contact-over-T1/E1 multiplexer. Product Description The TC8614 is a 4-channel 600Ω Analog & Dry Contact-over-T1/E1 Multiplexer that allows network managers the flexibility of leveraging their existing T1/E1 circuits by adding low cost analog or dry contact links as needed. It is economical, simple to install and comes standard with built-in power redundancy.

  • Page 8: Tc8614 Rev 1.4 User Manual

    The TC8614 is compatible with standard 100Ω T1 for copper line lengths up to 3000ft and up to 2.5km for 75Ω / 120Ω E1 (copper line length is the distance between the TC8614 and the T1/E1 cross-connect).
  • Page 9 Chapter 1 Introduction Product Description Figure 1-1 TC8614 600Ω Analog & Dry Contact Over T1/E1 Multiplexer TC8614 Rev 1.4 User Manual...
  • Page 10 Chapter 1 Introduction Product Description Figure 1-2 TC8614 Front Panel LED Definitions TC8614 Rev 1.4 User Manual...

  • Page 11: Features

    • ESF Framing Support (SF Framing, Optional) • Supports Line Length up to 3000ft (T1)* • 24 timeslots (DS0) 1-24. TC8614 utilizes timeslots 1, 7, 12, 13, 19, and • E1 Features: • Supports Line Length up to 2.5km •...

  • Page 12: Applications

    *Note: For line lengths beyond 655ft additional testing is required. 1.2.2 Applications The TC8614 600Ω Analog & Dry Contact-over-T1/E1 Multiplexer is typically used to link or extend various 600Ω analog, audio and intercom devices (e.g. FSK modems, E&M, teleprotection relay controllers, etc.) and dry contacts over existing T1/E1 links.

  • Page 13: Specifications

    RX (1 each 600Ω Audio Ports 1-4) TX (1 each 600Ω Audio Ports 1-4) DET (1 each Dry Contact Ports 1-4) RLY (1 each Dr Contact Ports 1-4) Diagnostic Functions Local Loopback, Remote Loopback, and T1/E1 Loopback TC8614 Rev 1.4 User Manual...
  • Page 14 (18.14 cm) 7.20" Depth (24.89 cm) 9.80" Weight (907g) 2.0 lbs. Physical (Rack mount 1U “Pizza Box” with two cards) Height (4.45 cm) 1.75" Width (48.26 cm) 19" Depth (22.86 cm) 9" Weight (1.86 Kg) 4.1 lbs. TC8614 Rev 1.4 User Manual...

  • Page 15: General Information

    Customer Service Department at TC Communications, Inc. at (949) 852-1973. Equipment Location The TC8614 should be located in an area that provides adequate light, work space and ventilation. Important Avoid locating it next to any equipment that may produce electrical interference or strong magnetic fields, such as elevator shafts or heavy duty power supplies.

  • Page 16: Power Supply

    The Power "A" and/or "B" and VCC LEDs should be lit. Note: TC8614 cards installed in the 1U rack chassis will not show the PWR A LED in the “On” lit state and will be Off. This is normal and the power to the card will be monitored by the VCC LED being “On”...

  • Page 17: System Configuration

    T1/E1 connection is not established. This is normal when T1/E1 connection has not been established. System Configuration The TC8614 has been pre-tested and switches have been set per factory specifications. 2.7.1 Front Panel (Analog & DCCD Pin Assignments)

  • Page 18: Rear Panel (T1/E1 Rj-48F Connector & Pin Assignments)

    E1 wire pairs. When viewing the RJ-48F connector, the left pair (Pin # 1 & 2) of the RJ-48F connector are for T1 or E1 signal going into the TC8614 (receive), while the right pair (Pin # 4 & 5) of the RJ-48F connector are for the transmit signal coming out of the unit, refer to diagram below.
  • Page 19 (copper line build-out/impedance). For example, in a T1/E1 application, this is the length of twisted pair cable connecting the TC8614 to the user's equipment, which may be a CSU or DSU. See Table 2-1 and Table 2-2 below.
  • Page 20 -15 dB CSU Down Down Down -22.5 dB CSU Table 2-2: E1 Termination Setup Table E1 Settings Application Termination 75 Ohm Normal Down 120 Ohm Normal Down 75 Ohm High Loss Down Down 120 Ohm High Loss TC8614 Rev 1.4 User Manual...

  • Page 21: Electrical Signal Interface Connection & Pin Assignments

    Chapter 2 Installation System Configuration 2.7.3 Electrical Signal Interface Connection & Pin Assignments The RJ-11 connectors are located at the front panel of the TC8614. 2.7.3.1 600Ω Analog Connections These ports allow you to transport the 600Ω (2/4 Wire) signals over T1/E1.
  • Page 22 2.7.3.2 Dry Contact Ports For dry contact closure applications, the TC8614 can be used as either the Closure Detector or Relay depending on which pins are used. By default, the dry contact Relay will open when T1/E1 link is not in sync.
  • Page 23 Chapter 2 Installation System Configuration Figure 2-3 Dry Contact Closure Detector TC8614 Rev 1.4 User Manual...

  • Page 24: Quick Start Guide 3.1 Introduction

    Quick Start Guide Introduction The TC8614 is designed for quick and easy installation. First, configure the unit for your specific application by setting the Line Code and Line Length. Once configured, you can connect the Analog or Dry Contact, T1/E1 signal source and power.
  • Page 25 “Off” for Rx loop timing mode Verify the analog/dry contact pin connections as well as the T1/E1 pin connections. After that, connect the two TC8614 units with a T1/E1 cable. After the T1/E1 connection is established, the front panel "ALM" LED should be off and the "SYNC"...
  • Page 26 It is highly recommended to conduct bench tests before actual installation. Bench testing allows the user to become familiar with all the functions and features of the TC8614 in a controlled environment. Knowledge of these functions and features will ease installation and troubleshooting efforts later on.

  • Page 27: Latched Alarm

    The number of blinks Continuously indicates the number of times the error condition happens. (Max. 3 Blinks) SYNC Flashing Blink The number of blinks Continuously indicates the number of times the error condition happens. (Max. 3 Blinks) TC8614 Rev 1.4 User Manual...

  • Page 28: Remote Unit Status Monitoring And Remote Unit Alarm Reset

    Remote Unit Status Monitoring and Remote Unit Alarm Reset Remote Unit Status Monitoring and Remote Unit Alarm Reset TC8614 is capable of monitoring the remote unit status and resetting the remote unit alarm condition. Short press (less than 3 seconds) the "R2" button will toggle between local and remote status display.

  • Page 29: Local Loopback Test (For 4-Wire Analog Only)

    SW1(LOCLB) to the “Off” (Up) position.. Remote Loopback Test (for 4-Wire analog only) Connect the local and remote TC8614 units as shown on the diagram below. (Note, testing for Analog Port 1 will be shown, Analog Ports 2-4 can be tested with the same setup.)
  • Page 30 Chapter 4 Tutorial Remote Loopback Test (for 4-Wire analog only) On the local TC8614, set DIP switch SW2 (Remote Loopback) to the “On” (Down) position. Observe that the "ALM" alarm LED will flash indicating that the unit is in (remote loopback) mode. The "RX," and "TX" LEDs on local unit Analog Port 1 should be solidly lit indicating the analog signal is looped back as shown on diagram below.

  • Page 31: T1/E1 Local Loopback Test

    The “LOS” LED should be off indicating that a valid T1/E1 signal is being received. If the “LOS” LED is flashing it means that the TC8614 is not receiving a valid T1/E1 or the T1/E1 cable is in question. Please reference Figure 2-2, TC8614 Rear Panel T1/E1 Connector &...

  • Page 32: General

    General Alarm conditions occur whenever a T1/E1 sync "fault" condition is detected by the TC8614. Under normal operation, PWR, Vcc, and SYNC LEDs should be lit. All LEDs are OFF If no LEDs are lit on the unit, check the DC power supply, connector plug, and/or the power source.

  • Page 33: Appendix A 19" Rack Mount Card Cage

    This chassis ground connection point is available in case chassis ground is taken into design consideration by the end user. TCRM195 17.3” (43.94 cm) 1.75” (4.45 cm) 19” (48.26 cm) 9” (22.86 cm) TC8614 Rev 1.4 User Manual...

  • Page 34: Appendix B Components Placement

    Appendix B Components Placement Overview Figure B-1 TC8614 PCB Layout TC8614 Rev 1.4 User Manual...

  • Page 35: Appendix C R2 Button & Led Functions

    R2 Button & LED Functions R2 (“Reset Too”) Button Description The recent enhancements implemented on the TC8614 (Analog/Dry Contact over T1/E1) will make troubleshooting a much easier process. The alarm LEDs - BPV, CRC, and SYNC - can now latch abnormal conditions until they are reset by the user.

  • Page 36: Led Functions

    3 times, it indicates the error has occurred 3 or more times. The 600Ω Analog Tx and Rx LEDs are tied to a volume threshold level of -31dBm; when the volume is greater than -31dBm, the LED(s) will turn on. TC8614 Rev 1.4 User Manual...

  • Page 37: D.1 Return Policy

    Buyer, or may give written authorization to Buyer to return the goods to TC Communications, Inc., transportation charges prepaid, for examination by TC Communications, Inc. Buyer shall bear the risk of loss until all goods authorized to be returned are delivered to TC Communications, Inc. TC Communications, Inc.

  • Page 38: D.1.2 Limitation Of Liability

    The shipping expense to TC Communications should be prepaid. The product should be properly packaged and insured. After the product is repaired, TC Communications will ship the product back to the shipper at TC's cost to U.S. domestic destinations. (Foreign customers are responsible for all shipping costs, duties and taxes [both ways].
  • Page 39 2-1 dry contact ports, 2-8 interface, 1-7 electrical, 5-1 environmental requirements, 2-1 front panel, 2-2 LED verification sequence power-up, 4-4 mechanical installation, 2-2 power unit, 2-2 power-up LED verification sequence, 4-4 specifications, 1-7 TC8614 Rev 1.4 User Manual Index-1...

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