TC Communications TC1920 User Manual
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TC Communications TC1920 User Manual

Telephone/analog extender over ethernet
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TC1920
Telephone/Analog Extender
over Ethernet
(10/100Base-T)
User Manual
MNL-19200-01-03

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Summary of Contents for TC Communications TC1920

  • Page 1 TC1920 Telephone/Analog Extender over Ethernet (10/100Base-T) User Manual MNL-19200-01-03...
  • 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...
  • 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. A general alert: used for all other hazardous conditions (referring to people, not equipment). TC1920 Rev 1.3 User Manual...
  • Page 4 Danger is used especially for conditions where there are limited safeguards in place. Danger notes include an alert symbol, such as this electrical hazard alert, indicating that there is danger of severe shock or electrocution. TC1920 Rev 1.3 User Manual...

  • Page 5: Table Of Contents

    TC1920 Front Panel ........
  • Page 6 Environment ..........B-3 TOC-2 TC1920 Rev 1.3 User Manual...

  • Page 7: General Information

    TC1920 Telephone/Analog over IP extender. Product Description The TC1920 Ethernet Telephone/Analog Extender enables telephone service over an Ethernet network via 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 Voice over IP (VoIP) devices.

  • Page 8: Hardware

    Chapter 1 Introduction Product Description Dry Contact RJ-45 Ethernet RJ-11 Phone Power Connector Console 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 •...

  • Page 9: Features

    The TC1920 Telephone/Analog over IP is a complete call processing center in a compact package with no central hub required. • Compatible with analog phones, the TC1920 is able to utilize QoS prioritization to guarantee toll quality voice regardless of network traffic or congestion.
  • Page 10 POTS TC1920 Analog POTS To Use: Lift Handset To Use: Lift Handset to Ring Remote Site to Ring Remote Site Telephone Figure 1-4 Typical Application Using TC1920s to Provide Hotlink Service to Multiple Remote Locations TC1920 Rev 1.3 User Manual...

  • Page 11: Compliance

    Environment The standard operating temperature of the card falls within most environmental conditions (i.e. -20°C to +70°C). 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.

  • Page 12: Specifications

    Ethernet LED Link, Dup Phone LEDs Ring, Hook Power Supply Type Input Range Power Consumption 12 VDC 10 VDC 18 VDC < 10W 24 VDC 18 VDC 36 VDC 36 VDC 72 VDC -48 VDC TC1920 Rev 1.3 User Manual...

  • Page 13: Default Software Configuration

    255.255.255.0 Gateway IP 0.0.0.0 Username admin Password admin Telephone/Analog Configuration Options Default SIP Option SIP Server, Address Book Address Book Codecs G.711 µ-Law, G.711 A-Law, G.711 µ-Law, G.711 A-Law, G.726-32, G.716-16, G.729A G.726-32, G.726-16, G.729A TC1920 Rev 1.3 User Manual...

  • Page 14: Environmental & Emi Compliance

    Chapter 1 Introduction Specifications 1.3.2 Environmental & EMI Compliance TC Communications - JumboSwitch Type Test and Levels Test Industrial Standards Power Supply Unit (PSU) RJ-45 & Signal IEC 61850-3, IEEE 1613, NEMA TS-2 Low Temperature Use IEC 60068-2-1; Ae; -40°C; 16 hour...

  • Page 15: Unpacking

    Customer Service Department at TC Communications, Inc. at (949) 852-1973. Equipment Location The TC1920 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 16: Dry Contact Alarm Relay (Dcar)

    The "LINK" LED of the Ethernet ports on the back panel will be on or flashing indicating that the Ethernet connection is established. This is normal when an Ethernet cable is connected to an Ethernet port. TC1920 Rev 1.3 User Manual...

  • Page 17: System Configuration

    Chapter 2 Installation System Configuration 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 LED descriptions. 2.6.1 TC1920 Front Panel Figure 2-1 TC1920 Front Panel TC1920 Rev 1.3...
  • Page 18 System Configuration 2.6.1.1 Front Panel DIP Switch Functions Figure 2-2 Front Panel 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.

  • Page 19: Tc1920 Rear Panel

    2.7.1 Turning on the unit After powering up the unit, there will be thirty seconds of internal circuit testing. Cabling The TC1920 has 4 ports on the back panel: • 1x Telephone/Analog port • 1x RJ-45 9600-baud serial console port •...

  • Page 20: Console Port

    2 - N/A 3 - Tx 4 - GND 5 - GND 6 - Rx 7 - N/A 8 - N/A Serial Console Port Specifications Baud Rate 9600 bps Databits Parity None Stopbits Flow Control None TC1920 Rev 1.3 User Manual...

  • Page 21: Telephone/Analog Port

    Ethernet Port RJ-45 Pin Assignment 1 - Output, Tx+ 2 - Output, Tx- 3 - Input, Rx+ 4 - N/A 5 - N/A 6 - Input, Rx- 7 - N/A 8 - N/A Figure 2-5 RJ-45 Pin Assignments TC1920 Rev 1.3 User Manual...
  • Page 22 Chapter 2 Installation Cabling TC1920 Rev 1.3 User Manual...

  • Page 23: Quick Start Guide 3.1 Introduction

    Master/Slave Pairing Modes As a quick and easy tool to setup and validate the TC1920 on a LAN, the Master and Slave pairing modes were created. Each mode consists of preset configurations that allow two units to be quickly setup to paired and operating with one another immediately after boot-up.

  • Page 24: Procedure

    To verify the unit installation Connect the TC1920 units' P1 ports together through an Ethernet connection with phone stations connected to TC1920 Phone/Line ports. The BP1 LEDs of each unit should turn on and flash occasionally.
  • Page 25 Chapter 3 Quick Start Guide Setup and Configuration Verification Figure 3-1 TC1920 Master (Top) & Slave (Bottom) Units TC1920 Rev 1.3 User Manual...

  • Page 26: Management Through The Web 4.1 Introduction

    Using a CAT-5E or CAT-6 cable, connect the PC to the Ethernet port or any Ethernet port on the JumboSwitch® network Access the PC web browser and enter the TC1920 IP address. Login with default username "admin" and password "admin" or use the password and user name assigned to you by the administrator.

  • Page 27: Screens

    Chapter 4 Management through the Web Screens Screens This reference section defines each screen in TC1920 and describes the parameters of the options you can choose with descriptions of the configurations. The Navigation Menu and section tabs provide access the screens that operate the unit.

  • Page 28: Overview

    Screens 4.3.1 Overview Features and options associated with the 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.
  • Page 29 Chapter 4 Management through the Web Screens Figure 4-2 Summary Settings TC1920 Rev 1.3 User Manual...
  • Page 30 Location of unit Contact Contact information of administrator od unit Description #1-3 Additional information regarding the unit The name and location will appear on the login and NOTE navigation sidebar for convenient identification of the unit. TC1920 Rev 1.3 User Manual...
  • Page 31 Designates the time zone for the unit. Manual Clock Settings Time Zone Displays the current time zone configured for the unit. Local Date Manually configure the date of the unit. Local Time Manually configure the time of the unit. TC1920 Rev 1.3 User Manual...

  • Page 32: Ip Settings

    It provides users the ability to enable alarm features, define alarm trigger criteria, and clear the alarm status. An error is color-coded red to indicate an alarm condition and green to indicate no alarm. Figure 4-6 Unit Alarm General Settings TC1920 Rev 1.3 User Manual...
  • Page 33 Enable or disable the alarm buzzer (audio indicator) when the Unit Alarm has been triggered. Dry Contact Enable or disable the alarm relay (remote indicator) when the Unit the Alarm has been triggered. Action Active the ACO or clear the alarm history. TC1920 Rev 1.3 User Manual...

  • Page 34: Telephone/Analog

    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 associated check box. Criteria are divided into categories, which include: • Telephone/Analog Figure 4-7 Unit Alarm Criteria TC1920 Rev 1.3 User Manual...
  • Page 35 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 also be viewed from this page. Figure 4-8 Unit Alarm Details Current TC1920 Rev 1.3 User Manual 4-10...

  • Page 36: Advanced

    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 information, and firmware upgrade. Figure 4-10 Advanced Settings 4-11 TC1920 Rev 1.3 User Manual...

  • Page 37: About

    Chapter 4 Management through the Web Screens 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 TC Communications’ contact information. Figure 4-11 About TC1920 Rev 1.3 User Manual 4-12...

  • Page 38: Configuration File

    The unit’s configurations may be saved and exported to a network location or other storage device. In this way, it is possible to rapidly restore a failed card during troubleshooting by loading the saved configuration file into the unit. Figure 4-12 Configuration Files 4-13 TC1920 Rev 1.3 User Manual...

  • Page 39: 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 reboot of the unit. Figure 4-14 System Reboot TC1920 Rev 1.3 User Manual 4-14...

  • Page 40: Restore Defaults

    You can use this command to reset the unit to factory default settings. NOTE Initiating the Restore Defaults option will reset the card to the default IP Address ( See 1.3.1 Default Software Configuration, on page 1-7) Figure 4-15 Restore Defaults 4-15 TC1920 Rev 1.3 User Manual...

  • Page 41: Firmware

    Chapter 4 Management through the Web Screens Firmware This page provides TC Communications with a method to continuously improve products through feature and reliability firmware upgrades. Figure 4-16 Firmware - Upgrade TC1920 Rev 1.3 User Manual 4-16...

  • Page 42: Telephone/Analog

    Displays the on-hook/off-hook status of the port. Ring Displays the ringing status of the port. Call Status Displays the current call status including the Caller ID of the remote port. Codec Displays the codec used during a call in progress. 4-17 TC1920 Rev 1.3 User Manual...
  • Page 43 Displays the hotlink mode of the port. Heartbeat Displays the heartbeat setting of the port. Phone Number Displays the hotlink phone numbers of the port. Heartbeat Status Displays the heartbeat status of the hotlink phone numbers. TC1920 Rev 1.3 User Manual 4-18...
  • Page 44 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 Displays the registration status with the server for the port. 4-19 TC1920 Rev 1.3 User Manual...

  • Page 45: Telephone/Analog > General Settings

    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 configurations for the unit. Figure 4-20 Telephone/Analog General Settings - Global TC1920 Rev 1.3 User Manual 4-20...
  • Page 46 Configure the base RTP control port. The base RTCP port indicates the starting RTCP port number. Default is 8001. Ensure there is no overlap between SIP and RTP ports. Type of Service Configure the DSCP/DiffServ priority for RTP/RTCP (ToS) packets. 4-21 TC1920 Rev 1.3 User Manual...
  • Page 47 Preferred Protocol Configure the format for SIP packets. Phone Number / Configure the phone number assigned to each port. It SIP User Name also acts as the SIP User Name when registering to the Registrar Server that requires authentication. TC1920 Rev 1.3 User Manual 4-22...
  • Page 48 (SIP option is "SIP Server" only) Display Name Configure the Caller ID Name information to be (Caller ID Name) displayed on the receiving phone station. Alarm Relay Configure the phone status to trigger the dry contact alarm relay. 4-23 TC1920 Rev 1.3 User Manual...
  • Page 49 Chapter 4 Management through the Web Screens Server Settings This page provides the telephone/analog server configurations for a port. Figure 4-22 Telephone/Analog General Settings - Server TC1920 Rev 1.3 User Manual 4-24...
  • Page 50 Request-URI. It is similar to Proxy except it receives a request from TC1920 even if the Request-URI of the message indicates another server. In short, all messages from TC1920 must pass through Outbound Proxy if it is set.

  • Page 51: Telephone/Analog > Address Book

    Entries The address book is used instead of the SIP Server phone number assignment and allows each of the individual TC1920 Telephone/Analog units to communicate with each other over the Ethernet network. For each unit that is installed in the network, annotate the IP address of the unit and compare this IP Address with the phone numbers definitions assigned to the FXS ports.
  • Page 52 Displays the destination address of the address book entry. UDP Port Displays the UDP port number of the address book entry. NOTE Apply button must be clicked on the main address book page for changes to take effect. 4-27 TC1920 Rev 1.3 User Manual...
  • Page 53 Configure the list phone number(s) dialed locally List Destination IP Address Configure the address of the destination for the phone number(s) specified. UDP Port Configure the UDP port number of the packets sent out. TC1920 Rev 1.3 User Manual 4-28...
  • Page 54 Figure 4-25 Telephone/Analog Address Book Load/Save Address Book Download an address book file from the local PC to the Load port. Address Book Upload an address book file to the local PC from the Save port. 4-29 TC1920 Rev 1.3 User Manual...

  • Page 55: Telephone/Analog > Dial Features

    Up to ten phone numbers can be called simultaneously, and the first to answer establishes connection and all other lines will be released. NOTE All numbers listed should be FXS only or FXO only to prevent connection issues. Figure 4-26 Telephone/Analog Hot Link TC1920 Rev 1.3 User Manual 4-30...
  • Page 56 Phone numbers that do not respond and timeout are considered lost. The heartbeat status can be used to trigger an alarm. Heartbeat Enable the heartbeat monitoring for each hotlink phone number. Heartbeat Status Displays the heartbeat status of each hotlink phone number. 4-31 TC1920 Rev 1.3 User Manual...
  • Page 57 NOTE All member phone numbers listed should be FXS only or FXO only to prevent connection issues. Figure 4-27 Telephone/Analog Group Dial TC1920 Rev 1.3 User Manual 4-32...

  • Page 58: Telephone/Analog > Codecs

    Telephone/Analog > Codecs In telephone/analog the analog voice signal is digitalized and compressed using a codec algorithm. Global Settings This page provides configurations for the codecs supported on the unit. Figure 4-28 Telephone/Analog Codec Settings 4-33 TC1920 Rev 1.3 User Manual...
  • Page 59 G.711 µ-law, G.711 A-Law, G.726-32, G.726-16, and G.729A are codecs that are assigned with static payload, so the configuration is grayed out. Port Settings Codecs may be assigned independently to each port. Figure 4-29 Telephone/Analog Port Codec Settings TC1920 Rev 1.3 User Manual 4-34...
  • Page 60 Configure the recovery level for high speed image data. LSR and HSR parameters are useful to recover from fax transfer error due to loss of packets in a network. Higher values allow better chance of recovery from error. 4-35 TC1920 Rev 1.3 User Manual...

  • Page 61: Telephone/Analog > Call Features

    If a number with fewer digits is dialed, then # can be entered to start dial immediately. Timers Ringing/Ringback The number of seconds a call can ring before getting Timer disconnected. TC1920 Rev 1.3 User Manual 4-36...
  • Page 62 General Settings Voice Volume Configure the voice volume during a call. Higher value increases the volume. Echo Canceler Enable or disable echo cancellation. DTMF Transport Select how dialed digit information is transmitted during a call. 4-37 TC1920 Rev 1.3 User Manual...
  • Page 63 Forward all incoming calls to the phone number configured. Forward calls During a call, forward all incoming calls to the phone when busy number configured. Forward calls Forward all unanswered calls to the phone number when unanswered configured. TC1920 Rev 1.3 User Manual 4-38...

  • Page 64: Telephone/Analog > Security

    Enable or disable encryption of SRTCP. Encryption SRTP Enable or disable authentication of SRTP. Authentication MKI Length Configure the master key identifier length. Key Lifetime Configure the maximum key length. Derivation Rate Configure the derivation rate of the key. 4-39 TC1920 Rev 1.3 User Manual...
  • Page 65 Figure 4-33 Telephone/Analog TLS Settings Global Settings Security Level Level 1 security encrypts the SIP header. Level 2 security encrypts the entire SIP message. Port Settings Preferred Protocol Shortcut to the configuration described in Section (General Port Settings). TC1920 Rev 1.3 User Manual 4-40...
  • Page 66 Displays the status of the certificate authority used for validating the certificate. Load Certificate Select whether to download the certificate or certificate authority from the local PC to the unit. Filename Browse for the certificate (.pem) on the local PC. 4-41 TC1920 Rev 1.3 User Manual...

  • Page 67: Telephone/Analog > Tones

    The tones used on the device can be configured. General This page provides general settings for the tones. Figure 4-35 Telephone/Analog Tones Settings Volume Tone Volume Configure the volume the tones. Higher value increases the volume. TC1920 Rev 1.3 User Manual 4-42...
  • Page 68 The tone heard before a phone number is dialed. Busy Tone The tone heard when a dialed line is busy. Ringback Tone The tone heard after a phone number is dialed and the remote phone is ringing. 4-43 TC1920 Rev 1.3 User Manual...
  • Page 69 Busy, Reorder, and two custom tones can be configured detect when a call should be disconnected. Figure 4-37 Telephone/Analog Tones Detection Settings Disconnect on Enable and disable disconnect on tone detection. Tone TC1920 Rev 1.3 User Manual 4-44...

  • Page 70: Troubleshooting

    • The third step is to inspect is mechanical problems that and may involve cables or equipment the TC1920 is connected to such as the fax machines, phones, Ethernet hubs, etc. Strategy for Troubleshooting...

  • Page 71: Common Problems

    NOTICE Do not, for any reason, open the TC1920 unit. If you suspect of any problems with the unit, contact the Technical Support Department at TC Communications, Inc. for assistance. If the unit is opened without prior authorization from TC, it will result in the loss of warranty.

  • Page 72: Mechanical

    5.3.2 Cabling There are two types of interface connectors used on the TC1920 front panel. • RJ-11 (Registered Jack) is used for the FXS lines. The standard connector is used on 2-pair (4-wire) telephone lines.
  • Page 73 Indications of damage to cable or b. Replace the cables. with an alarm. connectors. No FXS dial tone on line. Defective connector. Replace the cable. Defective telephone handset. Replace the unit and ensure the is a dial tone. TC1920 Rev 1.3 User Manual...

  • Page 74: Electrical

    • Telephone/Analog Panel Ports on page 5-9 There is the possibility that the LED itself has failed and is not showing the current condition. Call TC Communications NOTE customer service for assistance if you suspect this to be the case.

  • Page 75: Power Source A And B (Pwr)

    RDY LED Behavior Condition Solid Unit is ready for use. Fast Flash Flash operation in progress. Do not power off unit until operations have completed. Slow Flash Unit is booting. TC1920 Rev 1.3 User Manual...

  • Page 76: Alarm

    The user can configure which types of alarms will trigger the unit alarm. Normally in the OPEN position, any alarm condition will trigger the switch to the CLOSED position. The switch position is controlled by a relay inside the TC1920. ALM LED Behaviors Condition Solid Unit Alarm is triggered.

  • Page 77: Compression Ratio (Cp-R)

    The LED indicates the unit has an FXS port. FXS LED Behaviors FXS LED Condition Solid Unit has FXS port and is ready to use. Flash Unit is re-configuring. Calls cannot be made during this time. Unit does not have FXS port. TC1920 Rev 1.3 User Manual...

  • Page 78: Master/Slave

    Phone/Line LED Behaviors HOOK LED RING LED Condition Solid Port is off-hook. Fast Flash Port is on-hook and ringing. Solid Flash On Call is connecting. Solid Solid Call is in progress. Port is on-hook and not ringing. TC1920 Rev 1.3 User Manual...
  • Page 79 Ethernet Ports LED Behaviors LINK LED DUP LED Condition Solid Solid Link is established at Full Duplex. Link is established at Half Duplex. Flash Link activity is detected. Port is not connected. Power is disabled. TC1920 Rev 1.3 User Manual 5-10...

  • Page 80: Power Supplies

    Please see the troubleshooting section, Power Supplies, on page 5-11. Figure 5-3 TC1920 Back Panel Connectors and Indicators To inspect the power supply  Determine if the front or rear panel LED is green or Off.

  • Page 81: Software

    Upgrade, on page 5-11. 5.5.1 Default Software Configuration The quick-start chapter describes how to perform the TC1920 unit initial setup in a typical network application. This includes software configuration.The default software configuration is detailed in the tables shown in Default Software Configuration, on page 1-7.

  • Page 82: Resolving Software Problems

    The Telephone/Analog Address Book page appears. Select the Load command button. Select the Browse command button. A Choose File popup appears. Locate the address file from the popup, highlight it, and select Open. Select the Apply command button. 5-13 TC1920 Rev 1.3 User Manual...
  • Page 83 Chapter 5 Troubleshooting Software 5.5.2.2 Ethernet Connection The TC1920 extends services to remote locations from the control center over existing infrastructure by interfacing with the Ethernet network via an RJ-45 Ethernet connection. For pin assignments see the table Ethernet Port RJ-45 Pin Assignment, on page 2-7.

  • Page 84: Appendix A Return Policy

    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.

  • Page 85: Limitation Of Liability

    A.1.2 Limitation of Liability In no event shall the total liability of TC COMMUNICATIONS, INC. to purchaser and/or end user for all damages including but not limited to compensatory, consequential and punitive damages, exceed the total amount paid to TC Communications, Inc.

  • Page 86: Appendix B Safety

    TC Communications. The product can only be operated correctly and safely if it is transported, stored, installed and assembled properly and correctly.

  • Page 87: Recycling

    Power, input and output (I/O) wiring must be in accordance with Class I, Division 2 wiring methods [Article 501-4(b) of the National Electrical Code, NFPA 70] and in accordance with the authority having jurisdiction. TC1920 Rev 1.3 User Manual...

  • Page 88: Environment

    B.3.0.2 Grounding All TC Communications products are fully grounded and are in compliance accordance with all regulations and Specifications, on page 1-6.
  • Page 89 B Safety Environment Every TC Communications product passes through "live operating temperature" testing (unlike randomly selected products for statistical sampling) before it is shipped. Each unit is connected to an operating BER tester to ensure error-free operation while the temperature chamber cycles from -40ºC to 80ºC during the 24 hour testing period.

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