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Table of Contents
Summary of Contents for TC Communications TC8927
- Page 1 TC8927 6+2-Ch. Paging System w/ Dry Contact User Manual MNL-89270-01-00...
- 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 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). TC8927 Rev 1.0 User Manual...
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Page 4: Table Of Contents
Limitation of Liability ........B-2 TOC-1 TC8927 Rev 1.0 User Manual... -
Page 5: Introduction
TC8927 Paging System with Dry Contact. Product Description The TC8927 bridges/broadcasts analog audio and dry contact from a central location to remote sites. An incoming analog/dry contact signal coming into the primary host port will be broadcast to 6 slave ports. A backup host port is available for redundancy. - Page 6 Chapter 1 Introduction Product Description Figure 1-2 TC8927 Front Panel LED Definitions TC8927 Rev 1.0 User Manual...
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Page 7: Features
Chapter 1 Introduction Product Description Figure 1-3 TC8927 Rear Panel LED Definitions 1.2.1 Features • 2 Channel Inputs as Host Ports 6 Channel Outputs as Slave Ports • Modular Design with 8 Channels per Module • 64K Full Bandwidth Voice Transport •... -
Page 8: Applications
LEDs for Analog Volume, Alarm Status, Channel Release Tone, and Loopback 1.2.2 Applications The TC8927 bridges/broadcasts analog audio and dry contact from a central location to remote sites. Figure 1-4 Typical Application using the TC8927 TC8927 Rev 1.0 User Manual... -
Page 9: Specifications
Power Source Standard 12VDC @500mA Optional 24VDC, -48VDC, 125VDC, or 100/240VAC Temperature Operating -10°C to 50°C (Optional Hi-Temp Version) -20°C to 70°C (Optional Extreme-Temp Version) -40°C to 80°C Storage -40°C to 90°C Humidity 95% non-condensing TC8927 Rev 1.0 User Manual... - Page 10 Chapter 1 Introduction Specifications Physical (Rack mount 1U “Pizza Box”) Height (4.3 cm) 1.7" Width (48.3 cm) 19" Depth (26.7 cm) 10.5" TC8927 Rev 1.0 User Manual...
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Page 11: General Information
Customer Service Department at TC Communications, Inc. at (949) 852-1973. Equipment Location The TC8927 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 12: Power Supply
LED status should be observed from the front and back panels: The Power "A" and/or "B" and VCC LEDs should be lit. System Configuration The TC8927 has been pre-tested and switches have been set per factory specifications. TC8927 Rev 1.0 User Manual... -
Page 13: Front Panel (Analog Pin Assignments)
Front Panel (Analog Pin Assignments) 8 RJ-11 Connectors for Analog connections (refer to pin assignments in following sections) Figure 2-1 TC8927 Front Panel Analog & Dry Contact Connectors 2.7.2 Rear Panel Figure 2-2 TC8927 Rear Panel (Main & Extension) TC8927 Rev 1.0... - Page 14 When the rear panel SW1 (LOCLB) in the “On”(Up) position the analog signals are received on the “Input” pins and looped back to the ”Output” pins on the TC8927. The “TX” LED will be flashing green for that particular channel being tested and the "ALM"...
- Page 15 V1, V2: Output (Tx) Volume. These switches are used to set the output volume for all the channels. SW7, SW8: Output (Tx) Volume Volume Down Down -16 dB Down -10 dB Down -6 dB 0 dB (Default) TC8927 Rev 1.0 User Manual...
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Page 16: 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 TC8927. 600Ω Analog Connections RJ-11 600Ω Analog 4-Wire Port Pin Assignment (Host Ports) Detector Input RJ-11 Jack... -
Page 17: General
If no LEDs are lit on the unit, check the DC power supply, connector plug, and/or the power source. If the problem persists, contact the Technical Support Department at TC Communications, Inc. @ (949) 852-1973. Alarm LED Alarm conditions occur whenever local loopback is enabled and the ALARM LED will flash. -
Page 18: 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. 1U Chassis µ µ µ µ TC8927 Rev 1.0 User Manual... -
Page 19: Appendix B 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 20: 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 21 Index cabling, 2-2 interface, 1-5 DCAR, 2-2 electrical, 5-1 environmental requirements, 2-1 front panel, 2-2 mechanical installation, 2-2 power unit, 2-2 specifications, 1-5 troubleshooting, 5-1 unpacking, 2-1 TC8927 Rev 1.0 User Manual Index-1...