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TC Communications TC1920, User Manual

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Chapter 5 Troubleshooting 

Electrical

5-11

TC1920  Rev 1.3     User Manual

5.4.2

Power Supplies

There are several power supply options available. See 

Specifications, 

on 

page 1-6.

When the power is applied, determine if the front panel LED is green or 
off.

Figure 5-3 TC1920 Back Panel Connectors and Indicators

Determine if the front or rear panel LED is green or Off.

To inspect the stand alone power supply 

If

Then

Th

e power supply LED A and B are

 

green.

Proceed.

The LED is off.

This indicates a problem with the power 
source, the power supply or the connector. 
Please see the troubleshooting section, 

Power Supplies, 

on page 5-11.

To inspect the power supply 

Summary of Contents for TC1920

Page 1: ...TC1920 Telephone Analog Extender over Ethernet 10 100Base T User Manual MNL 19200 01 03...

Page 2: ...ent 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 reserve the right to...

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 A general alert used for...

Page 4: ...ert symbol such as this general alert Warning Warning is used to alert you to a possible hazard which could cause a serious injury or even death Warning notes include an alert symbol such as this pinc...

Page 5: ...r Supply 2 1 2 4 Dry Contact Alarm Relay DCAR 2 2 2 5 System Start Up 2 2 2 6 System Configuration 2 3 2 6 1 TC1920 Front Panel 2 3 2 6 2 TC1920 Rear Panel 2 5 2 7 Unit Power 2 5 2 7 1 Turning on the...

Page 6: ...dicator LEDs For Diagnostics 5 5 5 4 2 Power Supplies 5 11 5 5 Software 5 12 5 5 1 Default Software Configuration 5 12 5 5 2 Resolving Software Problems 5 13 Appendix A Return Policy A 1 Return Policy...

Page 7: ...ia 10 100Base T connections It has built in codecs that digitize voice and converts to packets for transmission between local and remote TC1920s with designated IP addresses as well as other SIP based...

Page 8: ...anual Figure 1 2 TC1920 Back Panel 1 2 2 Hardware This card has the following Serial Console port Two FastEthernet ports One FXS port One Dry Contact relay Temperature Options 20 C to 70 C or 40 C to...

Page 9: ...ough TC1920 is designed for the LAN environments often found in the industrial automation arena but it could also work over the Internet preferably in a VPN setting to have better voice quality This c...

Page 10: ...Hotlink Service to Multiple Remote Locations Network TC3848 2 PBX FXO 10 100T 00T Telephone Telephone Telephone TC1920 TC1920 TC1920 FXS 10 100T FXS 10 100T FXS 10 100T Analog POTS Substation Network...

Page 11: ...However the TC1920 is also offered with an extreme temperature option for harsher conditions i e 40 C to 80 C There is no cooling fan or filtering devices 1 2 7 Administration and Management The TC19...

Page 12: ...one Analog 1 FXS Telephone Analog FXS Connectors RJ 11 Ethernet Ethernet Standards IEEE 802 3 802 3u Ethernet Connectors RJ 45 Visual Indicators System LEDs PWR A B Vcc RDY Alarm Link BP1 BP2 Ethernet...

Page 13: ...6 96 inches Depth 22 61 cm 8 90 inches Network Management WebUI Configuration Default IP Address 192 168 1 1 Master 192 168 1 2 Slave Subnet Mask 255 255 255 0 Gateway IP 0 0 0 0 Username admin Passwo...

Page 14: ...CISPR22 class A CE FCC CISPR22 class A Radiated Emission Dielectric 50 Hz Test IEC 60255 5 2 kV IEC 60255 5 0 5 kV Impulse Voltage Test IEC60255 5 5 kV IEC 60255 5 5 kV Test Industrial Standards TC Co...

Page 15: ...he power LEDs on the front panel will light according to which power jack A or B is connected Both LEDs will light when power redundancy is utilized IMPORTANT Any claims concerning shipping damage sho...

Page 16: ...n the relay will open if the unit loses power completely or the Alarm is on The relay remains close during normal operation 2 5 System Start Up Apply the power by plugging the power plug into a power...

Page 17: ...3 2 6 System Configuration The TC1920 has been pre tested and switches have been set per factory specifications Refer to 5 4 1 Using Front Panel Indicator LEDs For Diagnostics on page 5 5 for detailed...

Page 18: ...Dip Switch The DIP Switch functions on the TC1920 are described below MSTR SLVE selects the default pairing mode Up position sets Master and down position sets Slave NOTE The selected mode will only...

Page 19: ...gure 2 3 TC1920 Rear Panel 2 7 Unit Power 2 7 1 Turning on the unit After powering up the unit there will be thirty seconds of internal circuit testing 2 8 Cabling The TC1920 has 4 ports on the back p...

Page 20: ...s you to manage the unit through CLI using a RS 232 serial interface DB 9 to RJ 45 Serial Data Console Cable Console Cable RJ 45 Pin Assignment 1 N A 2 N A 3 Tx 4 GND 5 GND 6 Rx 7 N A 8 N A Serial Con...

Page 21: ...Figure 2 4 RJ 11 Pin Assignments 2 8 3 FastEthernet Ports These ports are used for management and connecting to the Ethernet network Figure 2 5 RJ 45 Pin Assignments FXS Port RJ 11 Pin Assignment 1 N...

Page 22: ...Chapter 2 Installation Cabling 2 8 TC1920 Rev 1 3 User Manual...

Page 23: ...hat allow two units to be quickly setup to paired and operating with one another immediately after boot up Once boot up has completed LEDs should indicate that the units have linked with each other At...

Page 24: ...corrections to be made to the setup 1 Connect the TC1920 units P1 ports together through an Ethernet connection with phone stations connected to TC1920 Phone Line ports 2 The BP1 LEDs of each unit sh...

Page 25: ...Chapter 3 Quick Start Guide Setup and Configuration Verification TC1920 Rev 1 3 User Manual 1 0 3 3 Figure 3 1 TC1920 Master Top Slave Bottom Units...

Page 26: ...ns and describes the parameters of the options you can choose 4 2 Setup Connect by typing the IP address assigned to the interface card into a web browser s address field Setup diagnostics and managem...

Page 27: ...ent Page System Settings on page 4 5 System Time on page 4 6 IP Settings on page 4 7 Unit Alarm on page 4 7 Advanced on page 4 11 About on page 4 12 Configuration File on page 4 13 Users on page 4 14...

Page 28: ...he TC1920 are located in the menu area on the left side of the web page display This area displays breadcrumb style information of the current option selected and other available options The home page...

Page 29: ...Chapter 4 Management through the Web Screens TC1920 Rev 1 3 User Manual 4 4 Figure 4 2 Summary Settings...

Page 30: ...or to customize the definitions so that the unit can be readily identified when managing the unit Figure 4 3 System Information Name Label of unit Location Location of unit Contact Contact information...

Page 31: ...em time manually Figure 4 4 System Time Current Time Local Time Displays the current local time of the unit Time Zone Designates the time zone for the unit Manual Clock Settings Time Zone Displays the...

Page 32: ...igure 4 5 IP Settings 4 3 4 Unit Alarm This page displays the current and previous unit alarm conditions providing quick identification of problems It provides users the ability to enable alarm featur...

Page 33: ...ered since last cleared Alarm Cut Off ACO Silences the Unit Alarm indicators until the next criteria triggers the alarm Status Enable or disable the Unit Alarm Buzzer Enable or disable the alarm buzze...

Page 34: ...re defined by selecting the Criteria tab from the Unit Alarm page This action will bring up the Unit Alarm Criteria page where the user may select the alarm criteria to be monitored by enabling the as...

Page 35: ...Manual 4 10 Unit Alarm Details Unit Alarm Details display what alarm criteria are currently triggering the Unit Alarm A history of the criteria that triggered the Unit Alarm since last cleared can als...

Page 36: ...Rev 1 3 User Manual Figure 4 9 Unit Alarm Details History 4 3 5 Advanced This page provides access to specialized functions There are icons that link to functions such as reboot display product inform...

Page 37: ...v 1 3 User Manual 4 12 About This page provides you with factory information about the interface card including Product Number Software Version Hardware Version and Hardware Serial Number along with T...

Page 38: ...ately after being applied The Running Configuration must be saved to the Startup Configuration to ensure that changes remain in effect every time the unit goes through a cold or warm start The unit s...

Page 39: ...TC1920 Rev 1 3 User Manual 4 14 Users This page allows the user to update the Username and Password to access the web management interface Figure 4 13 Login Settings Reboot This command initiates a r...

Page 40: ...r Manual Restore Defaults You can use this command to reset the unit to factory default settings Figure 4 15 Restore Defaults NOTE Initiating the Restore Defaults option will reset the card to the def...

Page 41: ...ough the Web Screens TC1920 Rev 1 3 User Manual 4 16 Firmware This page provides TC Communications with a method to continuously improve products through feature and reliability firmware upgrades Figu...

Page 42: ...Hotlink Heartbeat status and server status Call Status This page provides the call statuses for the unit Figure 4 17 Telephone Analog Status Hook Displays the on hook off hook status of the port Ring...

Page 43: ...information and statuses for the unit Figure 4 18 Telephone Analog Hotlink Status Hotlink Displays the hotlink mode of the port Heartbeat Displays the heartbeat setting of the port Phone Number Displa...

Page 44: ...1 3 User Manual Server This page provides the server statuses of the unit Figure 4 19 Telephone Analog Server Status Registrar Displays the network address of the Registrar server for the port Status...

Page 45: ...6 2 Telephone Analog General Settings The general telephone analog configurations include SIP phone number and server settings Global Settings This page provides the global general telephone analog c...

Page 46: ...will take care of it automatically Default is 5060 This is the standard SIP port Value should not be changed unless needed for special applications Type of Service ToS Configure the DSCP DiffServ pri...

Page 47: ...e of two options Address Book or SIP Server Address Book uses the internal address book to dial to other numbers on the network SIP Server uses a central SIP server on the network to dial to other num...

Page 48: ...assword for registering to Registrar Server Along with SIP User Name Phone Number and Authentication ID these settings need to match those on the Registrar Server if authentication is required SIP opt...

Page 49: ...Management through the Web Screens TC1920 Rev 1 3 User Manual 4 24 Server Settings This page provides the telephone analog server configurations for a port Figure 4 22 Telephone Analog General Settin...

Page 50: ...t is set In some cases the Outbound Proxy is placed alongside the firewall and is the only way to allow SIP traffic to pass from the internal private network to the Internet therefore acting as a gate...

Page 51: ...Address Check to use the Proxy Server address for the Registrar Server address If the Registrar server address and Proxy server address are different then the REGISTER message will not pass through Pr...

Page 52: ...s operation the option of saving your address book to file allows the loading of multiple units with the required information Page Select the page number of the address book to display Entry Address b...

Page 53: ...dress Book Entry Add Edit Address Book Displays the port number of the address book entry Entry Phone Number List Configure the list phone number s dialed locally Destination IP Address Configure the...

Page 54: ...29 TC1920 Rev 1 3 User Manual Load Save Figure 4 25 Telephone Analog Address Book Load Save Address Book Load Download an address book file from the local PC to the port Address Book Save Upload an a...

Page 55: ...hat will have priority connect hierarchy when making a call When the user picks up a phone it will automatically dial the pre defined phone numbers set for the corresponding port shown on this page A...

Page 56: ...ine to automatically dial phone numbers pre defined in the table when a port goes off hook Hot Line will auto dial phone numbers immediately after off hook Warm Line allows for a delay in seconds afte...

Page 57: ...d phone numbers set for the corresponding port shown on this page A maximum of ten group numbers can be created and up to twenty numbers can be entered for each group they will all ring simultaneously...

Page 58: ...s page provides configurations for the codecs supported on the unit Figure 4 28 Telephone Analog Codec Settings Group Dial Enable or disable group dialing for the port Group Select the group phone num...

Page 59: ...Detection separates conversational speech and silence It is used to reduce bandwidth usage during idle periods of a conversation Comfort Noise will be generated to fill the silence in a transmission...

Page 60: ...encoding format for G 726 codec These are two different format of encoding decoding G 726 packets defined by IETF standard and ITU T standard Fax Settings T 38 Support If T 38 is disabled fax packets...

Page 61: ...vides global calling feature configurations Figure 4 30 Telephone Analog Call Features Settings Dialing Maximum number of digits to dial The maximum number of digits that are allowed to be entered bef...

Page 62: ...ing feature configurations for the port Figure 4 31 Port Call Features Settings General Settings Voice Volume Configure the voice volume during a call Higher value increases the volume Echo Canceler E...

Page 63: ...r ID Enable to make calls anonymously Anonymous Call Barring Enable to block anonymous incoming calls Call Forwarding Forward all calls Forward all incoming calls to the phone number configured Forwar...

Page 64: ...munication Figure 4 32 Telephone Analog SRTP Settings SRTP Enable or disable voice security CryptoSuite Select the security method SRTP Encryption Enable or disable encryption of SRTP SRTCP Encryption...

Page 65: ...entication and encryption to SIP communication Figure 4 33 Telephone Analog TLS Settings Global Settings Security Level Level 1 security encrypts the SIP header Level 2 security encrypts the entire SI...

Page 66: ...e Analog TLS Certificate Status Load Save Status Certificate Displays the status of the certificate loaded to the unit CA Certificate Displays the status of the certificate authority used for validati...

Page 67: ...age provides general settings for the tones Figure 4 35 Telephone Analog Tones Settings Save Certificate Select whether to upload the certificate or certificate authority to the local PC from the unit...

Page 68: ...tones generated All tones can be set to preset country tones or customized Figure 4 36 Telephone Analog Tones Generation Settings Dial Tone The tone heard before a phone number is dialed Busy Tone The...

Page 69: ...figurations for the tones detected All tones can be set to preset country tones or customized Busy Reorder and two custom tones can be configured detect when a call should be disconnected Figure 4 37...

Page 70: ...s that and may involve cables or equipment the TC1920 is connected to such as the fax machines phones Ethernet hubs etc 5 2 Strategy for Troubleshooting A good troubleshooting strategy involves a syst...

Page 71: ...gs not duplicated exactly on the replacement unit Is the problem limited to one unit or has it shown up on many Did the problem develop after a string of quick fix failures Perform the following a Doc...

Page 72: ...termittent signal or power loss with an alarm Indications of damage to the cable or connectors a Replace the cables There is a front panel alarm and verification on Unit Alarm Status shown as a temper...

Page 73: ...ng Try the following steps Inspect for physical damage Use A DVM to test the cable signal output at the connector Replace the cable with a known good cable The cable has been damaged internally The co...

Page 74: ...it LEDs include Power Source A and B PWR on page 5 6 Power On Vcc on page 5 6 Alarm on page 5 7 Link on page 5 7 BP1 and BP2 on page 5 7 Compression Ratio CP R on page 5 8 Volume TX and RX on page 5 8...

Page 75: ...unit is receiving enough voltage for proper operation Vcc LED Behavior 5 4 1 4 Ready RDY The RDY LED indicates when the unit has finished initialization and is operating properly RDY LED Behavior LED...

Page 76: ...The LED indicates the link status summary between the local and remote units LINK LED Behaviors 5 4 1 7 BP1 and BP2 These LEDs indicates the link status of the Ethernet ports on the back of the unit B...

Page 77: ...t of port from the remote side The RX LED displays the detected volume of signal going into port from at the local side 5 4 1 10 FXS The LED indicates the unit has an FXS port FXS LED Behaviors 64K 32...

Page 78: ...s unit has one phone line port that is FXS Figure 5 1 Phone Line Port Figure 5 2 Phone Line LEDs Phone Line LED Behaviors MSTR LED SLVE LED Condition Solid Off Unit is Master Off Solid Unit is Slave O...

Page 79: ...ts LED Behaviors HT L LED Condition Solid Hotlink is enabled and configured properly Flash Green Hotlink is enabled but not configured properly Off Hotlink is disabled LINK LED DUP LED Condition Solid...

Page 80: ...nel LED is green or off Figure 5 3 TC1920 Back Panel Connectors and Indicators Determine if the front or rear panel LED is green or Off To inspect the stand alone power supply If Then The power supply...

Page 81: ...figuration The default software configuration is detailed in the tables shown in Default Software Configuration on page 1 7 If Then The LED is green Proceed The LED is off This indicates a problem wit...

Page 82: ...2 From the Navigation Menu select the Address Book icon The Telephone Analog Address Book page appears 3 Select the Load command button 4 Select the Browse command button A Choose File popup appears 5...

Page 83: ...s Possible Cause Actions Cannot connect ping TC1920 units Incompatible with WAN and LAN environments Pinged the wrong address Ensure the PC is under the same subnet as the other TC1920 units Restore t...

Page 84: ...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 85: ...s are returned for repair retest A 1 2 Limitation of Liability 1 In no event shall the total liability of TC COMMUNICATIONS INC to purchaser and or end user for all damages including but not limited...

Page 86: ...y B 2 1 Qualification Requirements for Personnel Qualified personnel as understood in this manual and the warning signs are persons who are familiar with the setup assembly startup and operation of th...

Page 87: ...edundant supplied two individual power sources the power sources together should comply with the requirements of the National Electrical Code table 11 b Relevant for North America Use 60 75 C or 75 C...

Page 88: ...dened and Industrial Ethernet describe communications products designed to operate in industrial process control environments or geographical locations where harsh conditions are common To meet this l...

Page 89: ...llation location is to be selected so as to ensure compliance with the climatic limits listed in the Technical Data Ensure the following criteria in site selection Room for adequate ventilation and ca...

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