background image

TC8926 Rev 1.0                           User Manual

   

3-1

Chapter  3

Troubleshooting

3.1

General

Under normal operation, PWR, and Vcc LEDs should be lit.

3.2

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 Communications, Inc. @ (949) 852-1973.

3.3

Alarm LED

Alarm conditions occur whenever local loopback is enabled and the ALARM LED 
will flash.

Summary of Contents for TC8926

Page 1: ...TC8926 8 or 16 Ch Hoot n holler Bridge User Manual MNL 89260 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: ...holler Bridge 1 2 Product Description The TC8926 provides the bridging of 4 wire analog audio forming a traditional Hoot N Holler system When connected to hoot phones the TC8926 bridges the audio and...

Page 6: ...Chapter 1 Introduction Product Description 1 2 TC8926 Rev 1 0 User Manual Figure 1 2 TC8926 Front Panel LED Definitions...

Page 7: ...Hoot n holler Bridge Modular Design with 8 Channels per Module 64K Full Bandwidth Voice Transport Passes All Tones used for FSK EIA Tone Control Remote and Paging Supports Pilot Guard Tone Operation...

Page 8: ...on Product Description 1 4 TC8926 Rev 1 0 User Manual 1 2 2 Applications The TC8926 provides the bridging of 4 wire analog audio forming a traditional Hoot N Holler system Figure 1 4 Typical Applicati...

Page 9: ...dicators System PWR A PWR B Vcc ALM Paging P R Tone Channel Status TX 1 each 600 Audio Ports 1 8 RX 1 each 600 Audio Ports 1 8 Diagnostic Functions Local Loopback Power Source Standard 12VDC 500mA Opt...

Page 10: ...Chapter 1 Introduction Specifications 1 6 TC8926 Rev 1 0 User Manual Physical Rack mount 1U Pizza Box with two cards 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 TC8926 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 TC8926 Front Panel Analog Dry Contact Connectors 2 7 2 Rear Panel Figure 2 2 TC8926 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 TC8926 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: ...he TC8926 2 7 3 1 600 Analog Connections RJ 11 600 Analog 4 Wire Port Pin Assignment Normal Mode 1 Relay or Detector RJ 11 Jack 2 Input RING 3 Output RING 4 Output TIP 5 Input TIP 6 Relay or Detector...

Page 17: ...3 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 3 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 3 1 U unpac...

Reviews: