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TC8927 Rev 1.0         User Manual 

B-1

Appendix  B

Return Policy

B.1

Return Policy

To return a product, you must first obtain a Return Material Authorization number 
from the Customer Service Department. If the product’s warranty has expired, you 
will need to provide a purchase order to authorize the repair. When returning a 
product for a suspected failure, please provide a description of the problem and any 
results of diagnostic tests that have been conducted.

B.1.1

Warranty

Damages by lightning or power surges are not covered under this warranty.

All products manufactured by TC Communications, Inc. come with a five year 
(beginning 1-1-02) warranty. TC Communications, Inc. warrants to the Buyer that 
all goods sold will perform in accordance with the applicable data sheets, drawings 
or written specifications. It also warrants that, at the time of sale, the goods will be 
free from defects in material or workmanship. This warranty shall apply for a period 
of five years from the date of shipment, unless goods have been subject to misuse, 
neglect, altered or destroyed serial number labels, accidents (damages caused in 
whole or in part to accident, lightning, power surge, floods, fires, earthquakes, 
natural disasters, or Acts of God.), improper installation or maintenance, or 
alteration or repair by anyone other than Seller or its authorized representative.

Buyer should notify TC Communications, Inc. promptly in writing of any claim 
based upon warranty, and TC Communications, Inc., at its option, may first inspect 
such goods at the premises of the 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. shall not be liable for any inspection, packing or labor costs 
in connection with the return of goods.

In the event that TC Communications, Inc. breaches its obligation of warranty, the 
sole and exclusive remedy of the Buyer is limited to replacement, repair or credit of 
the purchase price, at TC Communications, Inc.’s option.

Summary of Contents for TC8927

Page 1: ...TC8927 6 2 Ch Paging System w Dry Contact User Manual MNL 89270 01 00...

Page 2: ...out of errors in this document The information given in this document is reviewed regularly and any necessary corrections will be included in subsequent editions We appreciate any suggested improveme...

Page 3: ...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 a...

Page 4: ...2 2 5 Dry Contact Alarm Relay DCAR 2 2 2 6 System Start Up 2 2 2 7 System Configuration 2 2 2 7 1 Front Panel Analog Pin Assignments 2 3 2 7 2 Rear Panel 2 3 2 7 3 Electrical Signal Interface Connecti...

Page 5: ...he 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 p...

Page 6: ...Chapter 1 Introduction Product Description 1 2 TC8927 Rev 1 0 User Manual Figure 1 2 TC8927 Front Panel LED Definitions...

Page 7: ...Channel Inputs as Host Ports 6 Channel Outputs as Slave Ports Modular Design with 8 Channels per Module 64K Full Bandwidth Voice Transport Passes All Tones used for FSK EIA Tone Control Remote and Pag...

Page 8: ...ev 1 0 User Manual 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...

Page 9: ...nector RJ 11 Impedance 600 System Visual Indicators System PWR A PWR B Vcc ALM Paging P R Tone Channel Status TX 1 each Ports 1 8 RX 1 each Ports 1 8 Diagnostic Functions Local Loopback Power Source S...

Page 10: ...Chapter 1 Introduction Specifications 1 6 TC8927 Rev 1 0 User Manual Physical Rack mount 1U Pizza Box Height 4 3 cm 1 7 Width 48 3 cm 19 Depth 26 7 cm 10 5...

Page 11: ...removed from the containers 2 3 Equipment Location The TC8927 should be located in an area that provides adequate light work space and ventilation IMPORTANT Any claims concerning shipping damage shou...

Page 12: ...O Normal Open configuration the relay will close if the unit loses power completely or the Alarm is on The relay remains open during normal operation When used in NC Normal Close configuration the rel...

Page 13: ...Manual 2 3 2 7 1 Front Panel Analog Pin Assignments Figure 2 1 TC8927 Front Panel Analog Dry Contact Connectors 2 7 2 Rear Panel Figure 2 2 TC8927 Rear Panel Main Extension 8 RJ 11 Connectors for Ana...

Page 14: ...alog signals are received on the Input pins and looped back to the Output pins on the TC8927 1 The TX LED will be flashing green for that particular channel being tested and the ALM alarm LED will fla...

Page 15: ...to setup the number of Channels Off Down is for 8 channels mode On Up is for 16 channels mode T1 T2 Channel Release Time These switches are used to set the channel release time stop broadcasting after...

Page 16: ...ront panel of the TC8927 600 Analog Connections RJ 11 600 Analog 4 Wire Port Pin Assignment Host Ports 1 Detector Input RJ 11 Jack 2 Output RING 3 Input RING 4 Input TIP 5 Output TIP 6 Detector Input...

Page 17: ...5 2 All LEDs are OFF 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 Communicati...

Page 18: ...ower supply The AC power supply automatically adjusts for 90V to 264V AC input and 47 to 63 Hz operation The DC power supply accepts 24VDC 48VDC or 125VDC input Optional This 1U rack assembly is 19 wi...

Page 19: ...shipment unless goods have been subject to misuse neglect altered or destroyed serial number labels accidents damages caused in whole or in part to accident lightning power surge floods fires earthqu...

Page 20: ...re returned for repair retest B 1 2 Limitation of Liability 1 In no event shall the total liability of T C COMMUNICATIONS INC to purchaser and or end user for all damages including but not limited to...

Page 21: ...ual Index 1 C cabling 2 2 D DCAR 2 2 E electrical 5 1 environmental requirements 2 1 F front panel 2 2 M mechanical installation 2 2 P power unit 2 2 S specifications 1 5 T troubleshooting 5 1 U unpac...

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