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TC8612 Rev 1.1 User Manual

5-1

Chapter 5

Troubleshooting

5.1

General

Alarm conditions occur whenever a power or sync "fault" condition is detected by
the TC8612. Under normal operation, PWR, Vcc, and SYNC LEDs should be lit.

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

5.3

Alarm LED

The ALARM LED will flash when the unit has any loopbacks enabled. It will be
solid when alarm conditions are present such as T1/E1 loss of frame (no SYNC) or
T1/E1 loss of signal (LOS).

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Содержание TC8612

Страница 1: ...TC8612 8 Channel DIO Over T1 E1 Multiplexer User Manual MNL 86120 01 01...

Страница 2: ...f 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 improvements We...

Страница 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...

Страница 4: ...al Interface Connection Pin Assignments 2 6 3 Quick Start Guide 3 1 Introduction 3 1 3 2 Setup 3 1 4 Tutorial 4 1 Introduction 4 1 4 2 Latched Alarm 4 1 4 3 Remote Unit Status Monitoring and Remote Un...

Страница 5: ...TABLE OF CONTENTS TC8612 Rev 1 1 User Manual TOC 2 Appendix C Return Policy C 1 Return Policy C 1 C 1 1 Warranty C 1 C 1 2 Limitation of Liability C 2...

Страница 6: ...l Dry Contact Status Hold When this feature is enabled the dry contact will retain the last Open or Close status if the T1 E1 link is broken A built in sync mechanism verifies both device and T1 E1 li...

Страница 7: ...Chapter 1 Introduction Product Description TC8612 Rev 1 1 User Manual 1 2 Figure 1 1 TC8612 DIO Over T1 E1 Multiplexer...

Страница 8: ...available x Off Local status mode BPV CRC SYNC BPV Bipolar Violations LED x Blink Latched BPV error indication x Flash Unit detected bipolar violations x Off Normal condition CRC T1 E1 CRC Error LED x...

Страница 9: ...nd alarm condition status Built in Power Redundancy Diagnostic DIP Switches for Local Loopback and T1 E1 Loopback Tests Rack Mount or Stand Alone Note For line lengths beyond 655ft additional testing...

Страница 10: ...mal Open Standard Normal Close Optional Latency 1 5ms Load Voltage peak AC 60V Load Voltage DC 60V Continuous load current 0 55A Peak load current 1 2A Max On Resistance 2 5 Output Capacitance 150pF S...

Страница 11: ...erating 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 Physical Standalone Unit Height 3 53 cm 1 40 Width...

Страница 12: ...pment Location The TC8612 should be located in an area that provides adequate light work space and ventilation IMPORTANT Any claims concerning shipping damage should be made directly to the pertinent...

Страница 13: ...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 relay will open if the unit loses power compl...

Страница 14: ...ood x Off No 5V DC is supplied to this card RMT Remote Status Mode LED Activated by R2 x Solid Remote status mode BPV CRC SYNC x Flash Remote status not available x Off Local status mode BPV CRC SYNC...

Страница 15: ...RX loop timing mode SW4 B8ZS HDB3 Line Code x Down On B8ZS T1 HDB3 E1 x Up Off AMI SW5 DIS ALM Disable Alarm x Down On Disable alarm buzzer and dry contact x Up Off Enable alarm buzzer and dry contac...

Страница 16: ...or an E1 application For example in a T1 E1 application this is the length of twisted pair cable connecting the TC8612 to the user s equipment which may be a CSU or DSU See Table 2 1 and Table 2 2 Tab...

Страница 17: ...etector side has a dry contact closure detector The Receiver side has a dry contact Relay The Close or Open status is controlled by a relay switch inside the card It reflects the remote detector s sta...

Страница 18: ...Chapter 2 Installation System Configuration 2 7 TC8612 Rev 1 1 User Manual Figure 2 3 Dry Contact Closure Detector...

Страница 19: ...ould set to Internal timing mode and the other unit should set to RX Loop timing mode On Down for internal timing mode Off Up for Rx loop timing mode 5 Make sure to verify the Dry Contact as well as t...

Страница 20: ...ates that there are two T1 E1 sync loss after the last alarm reset To reset the alarm press and hold the R2 Reset Too button for 3 seconds until the ALM BPV CRC and SYNC LEDs are flashing The alarm wi...

Страница 21: ...the R2 button and the RMT LED should be lit to indicate it is displaying remote unit status 3 When RMT LED is lit ALM BPV CRC and SYNC LEDs will be displaying remote unit status 4 The RMT LED will tu...

Страница 22: ...e purpose of this test is to verify the input and output wiring connections signal input receiver and signal output driver 1 The DET and RLY LEDs on the front panel will flash for that particular chan...

Страница 23: ...loopback mode The PWR A and or PWR B and VCC LEDs will be solidly lit The SYNC LED will be solidly lit and both DET and RLY LEDs will blink indicating the dry contact signal from the user s device is...

Страница 24: ...should be flashing indicating the unit is in T1 E1 Loopback mode 2 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 TC8612...

Страница 25: ...t 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 Communicat...

Страница 26: ...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 The rack assemblies are 19 wide by 1 75 high The...

Страница 27: ...tton for at least 3 seconds until you see the alarm LEDs flash in sequence 2 To display the remote unit s alarm LEDs on the local unit briefly press the R2 button on the local unit The local unit s RM...

Страница 28: ...til reset by the user The behavior is noted here When an LED blinks once it indicates a single error has occurred once When an LED blinks twice it indicates the error has occurred twice When the LED b...

Страница 29: ...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...

Страница 30: ...re returned for repair retest C 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...

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