Ericsson TT1222 User's Guide Page 1

TT1222 MPEG-2 SD 4:2:0 ProfessionalReceiverSoftware Version 6.1.1 (and later) REFERENCE GUIDE EN/LZT 790 0002/2 R1A

Preliminary Pages EN/LZT 790 0002/2 R1A 2010-12-17 x BLANK

Technical Specification B.4 Outputs B.4.1 Analogue Video Output Two BNC composite analogue video outputs are provided on the rear panel of the un

Technical Specification Parameter Performance SECAM (Line ID) Parameters Output encoding SECAM (Line ID): B, G, H, K1, L Chroma subcarrier frequenc

Technical Specification B.4.4 PAN/SCAN The IRD can perform the following horizontal Pan vector handling. Table B.5: Pan/Scan Parameter Specificati

Technical Specification Parameter Line/Field Performance VPS Output system ETS 300 231, ARD/ZDF Nr. 8R2 WSS Source system EN301 775 WSS Output

Technical Specification Parameter Performance Minimum bitrate: 32 kbps Maximum bitrate: 384 kbps Sampling rates: 32, 44.1, 48 kHz Nominal output

Technical Specification B.5 Data Communication B.5.1 Low Speed Data Table B.11: LS Data Configuration Parameter Performance Safety status: SELV O

Technical Specification Parameter Performance Pin Function Direction 1 Reserved - 2 Data receive (Rx) Input 3 Data transmit (Tx) Output 4 Rese

Technical Specification Parameter Specification Max switching voltage (AC/D.C.) 30 V / Not to exceed SELV limit of 60 V DC Max switching power (AC/D

Technical Specification Parameter Specification Tuning Step size 125 kHz Second order Intercept Point +15 dBm minimum (referenced to the input) T

Technical Specification B.7.3 ASI Output Option (TT1222/HWO/ASI/OUT) The ASI interface is implemented in accordance with CENELEC EN50083-9: ref[15

1 Introduction Chapter 1 Contents 1.1 Scope of This Reference Guide ...1-3 1.1.1 Who Shou

Technical Specification B.7.4 ASI/SDI Output Option (TT1222/HWO/ASI/SDI) The ASI/SDI option module provides 2 outputs which can be configured to b

Technical Specification Parameter Specification Pro-MPEG FEC In accordance with Pro-MPEG Code of Practice #3, release 2 July 2004 IP Traffic Modes

Technical Specification B.9 Physical Details4 Table B.22: Physical Details Item Specification Height 44.5 mm chassis (1RU) Width 442.5 mm exclud

Technical Specification B.11 Compliance5 B.11.1 Safety This equipment has been designed and tested to meet the requirements of the following: EN 6

Technical Specification B.11.3 CE Marking The CE mark is affixed to indicate compliance with the following directives: 89/336/EEC of 3 May 1989

Technical Specification Protect from moisture. See Section B.11.3. See Section B.11.4. Defines country of origin. The packaging is reusable per

Technical Specification Where Ericsson product contains potentially hazardous materials, this is indicated on the product by the appropriate symbol

Technical Specification B.11.9 Recycling Ericsson SA TV Recycling has a process facility that enables customers to return Old and End-of-Life Produ

Technical Specification EN/LZT 790 0002/2 R1A B-22 BLANK

C Front Panel LCD Menus Annex C Contents C.1 LCD Menus...

Introduction EN/LZT 790 0002/2 R1A 1-2 List of Figures Figure 1.1: TT1222 Front View ...

Front Panel LCD Menus C.5.19 RS232 Menu ...C-28 C.5.20 Remote

Front Panel LCD Menus C.6.19 CA Module Menu... C-57 C.6.20 CA Info Men

Front Panel LCD Menus Table C.29: LS Data Setup Menu...C-30 Table C.30: The

Front Panel LCD Menus Table C.79: Director 5 Carrier Slot Menu... C-59 Table C.80: Directo

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Front Panel LCD Menus C.1 LCD Menus C.1.1 Using the Menus Detailed description of the use of menus is given in Chapter 4, Operating the Equipment

Front Panel LCD Menus C.1.3.6 Unlocking the Front Panel The unlocking sequence is required if the locked indicator is present on the top left line

Front Panel LCD Menus Figure C.2: Menu Tree: Setup Menus EN/LZT 790 0002/2 C-9

Front Panel LCD Menus C.3 hich allows access to other, lower level SectionMenu Pages - Main Menu The main menu is a branching menu wmenus described

Front Panel LCD Menus C.4.2 Presets Select Menu This menu allows the user to re-select a previously stored service. Table C.3: Presets Select Menu

Introduction 1.1 Scope of This Reference Guide Warning! Do not remove the covers of this equipment. Hazardous voltages are present within this equi

Front Panel LCD Menus Menu title: SETUP Description SectionSystem > Enters the System submenu C.5.47 Control > Enters the Control submen

Front Panel LCD Menus Menu title: SET:TV SERVICE Description SectionTTXT Lang: Allows the entry of the three character ISO language code (e.g. eng o

Front Panel LCD Menus Menu title: SET:TV SERVICE Description SectionHoH 16:9 – Subtitles for viewers with impaired hearing, 16:9 aspect ratio. HoH

Front Panel LCD Menus Table C.8: Audio2 Service Menu Menu title: SET:AUD2 SERVICE Description SectionService ID > Display or change the service

Front Panel LCD Menus C.5.6 Video Setup Table C.10: Video Setup Menu Menu title: SET:VIDEO SETUP Description Section625 Setup > Enters the 625

Front Panel LCD Menus Menu title: SET:VIDEO 625 Description SectionNote: * This option is not available if the Russian SECAM hardware o

Front Panel LCD Menus Menu title: SET:VIDEO 625 Description Section4/3 - Generates a 4/3 picture in the method described in the Frame conv. menu it

Front Panel LCD Menus Menu title: SET:VIDEO 625 Description Section Note: * This option is only available if the Russian SECAM hardware

Front Panel LCD Menus Menu title: SET:VIDEO 525 Description SectionTestlines: On - Activates testlines (VITS) on line 17. Off - Deactivates testlin

Front Panel LCD Menus C.5.11 Audio 1 (TV) and Audio 2 Setup Menus The audio setup menus allows the user to configure and control each audio output.

Introduction Table 1.1: Equipment Model Descriptions Model Number TT1222 TT1222 with Russian Secam Description 1U MPEG-2 SD 4:2:0 Professional Rec

Front Panel LCD Menus Menu title: SET:AUDIO 1, SET:AUDIO 2 Description SectionAC-3 DownMix *: This item is only used if the Modulator setting is s

Front Panel LCD Menus Table C.17: Linear Digital Audio Input Audio Format Audio 1 Audio 2 Musicam Linear PCM LO-RO Linear PCM LO-RO AC-3 Linear P

Front Panel LCD Menus Table C.20: QPSK Input Setup Menu Menu title: SET:INPUT Description SectionLNB Freq: Changes the LNB frequency in Gigahe

Front Panel LCD Menus Menu title: SET:OUTPUTS Description SectionIP > * Enters the IP output setup submenu. Note: * This item will only appear i

Front Panel LCD Menus Menu title: SET:SELECT ALARMS Description SectionIP OUT > * Enters the IP OUT alarms submenu. Note: * This item will only

Front Panel LCD Menus C.5.17 GPOs Menu There are five GPOs available on the receiver. Each one of these can be configured to activate on one or mor

Front Panel LCD Menus Menu title: SET:GPO X Description SectionOff - An error on Audio 2 will not trigger this GPO. Default = Off. Data Error: On

Front Panel LCD Menus Table C.28: Remote Port Setup Menu Menu title: SET:REMOTE PORT Description SectionBaud Rate: Sets the baud-rate for the commun

Front Panel LCD Menus C.5.21 LS Data Menu The LS data menu configures the parameters for the output of RS-232 data, extracted from the transport s

Front Panel LCD Menus C.5.22 Data Port Menu The data port menu contains the controls for the physical output of the LS data. The settings configure

Introduction - Configurable ASI/SDI outputs (Option)3 - 2 x ASI/SDI via BNC connectors - IP outputs (Option)3 – 2 x IP OUT via RJ-45 Ethernet con

Front Panel LCD Menus C.5.23 LS Output Menu The LS data output menu controls the output format and buffering of the low speed data. Table C.31: LS

Front Panel LCD Menus C.5.25 ASI/SDI Outputs Menu Table C.33: ASI/SDI Output Setup Menu Menu title: SET:ASI/SDI OUT Description SectionSelect Outpu

Front Panel LCD Menus C.5.28 IP Output Menu This menu provides the IP output setup parameters. Table C.36: IP OUT Setup Menu Menu title: SET:IP OU

Front Panel LCD Menus C.5.30 IP Out Service Config Menu This menu provides the IP output setup parameters for when Service Filtering is enabled. Ta

Front Panel LCD Menus C.5.32 IP Port Setup Menus This menu provides the setup parameters for the each IP output port. Table C.40: IP PORT 1 and 2

Front Panel LCD Menus C.5.33 IP Config Menu This menu provides the configuration parameters for the IP outputs. Table C.41: IP CONFIG Setup Menu Me

Front Panel LCD Menus Menu title: SET:IP CONFIG P1, SET:IP CONFIG P2 Description SectionDest 3 > Enters the Destination 3 configuration submen

Front Panel LCD Menus Menu title: SET:IP PORT1 SRC, SET:IP PORT2 SRC Description SectionMAC Type: Auto – The source MAC address will be set automa

Front Panel LCD Menus Menu title: SET:IP PORT1 DEST1, SET:IP PORT1 DEST2, SET:IP PORT1 DEST3, SET:IP PORT1 DEST4, SET:IP PORT2 DEST1, SET:IP POR

Front Panel LCD Menus Menu title: SET:IP FEC Description SectionNo. Rows: This sets the number of rows in the FEC matrix. Range = 4 - 20 Default

Introduction - Single LED provides status information • Data: - Low speed data: RS-232 asynchronous (up to 115.2 kbps) • Remote Control: - RS-

Front Panel LCD Menus C.5.39 BISS Menu This menu contains links to TV and audio submenus for BISS setup parameters. Table C.47: BISS Setup Menu M

Front Panel LCD Menus C.5.41 BISS 1 Menu This menu is the key entry menu for BISS 1 set-up. Table C.49: BISS 1 Setup Menu Menu title: SET:TV BISS 1

Front Panel LCD Menus C.5.45 Director 5 Setup Menu This menu contains the setup parameters for Director CA. Table C.53: DirectorV5 Setup Menu Menu

Front Panel LCD Menus Menu title: SET:SYSTEM Description SectionDelay ms: Delays the presentation of video/audio/data information relative to the

Front Panel LCD Menus Menu title: SET:CONTROL Description SectionMenu lock: Activates or disables the menu lock. On - Menu lock activated. Once ac

Front Panel LCD Menus Menu title: STATUS Description SectionDownload info >* Enters the download information submenu, which provides a number i

Front Panel LCD Menus For information regarding the alarms and their individual interpretations, refer to Annex D, Alarm Categories and Conditions.

Front Panel LCD Menus C.6.4.1 ASI Input Table C.60: Input Status Menu, ASI Input Menu title: STAT:INPUT Description SectionLock: Indicate whethe

Front Panel LCD Menus C.6.6 TV Service Table C.63: TV Service Status Menu Menu title: STAT:TV SERVICE Description SectionVideo > Enters the Vi

Front Panel LCD Menus C.6.8 Video Decoding Statistics Status Menu Table C.65: Video Decoding Statistics Status Menus Menu title: STAT:VIDEO STATS D

Introduction 1.2.3.2 Audio Outputs The TT1222 Receiver has two audio outputs available on 9-way D-sub connectors at the rear panel. Each connector

Front Panel LCD Menus Menu title: STAT:TV AUDIO 1, STAT:AUD 2 SERVICE Description SectionMode: Shows the modulation mode reported used in the enco

Front Panel LCD Menus C.6.13 VBI Status Menu The VBI status menu displays the current status of the VBI components. Table C.70: VBI Status Menu Men

Front Panel LCD Menus Menu title: STAT:TV VBI Description 525 625 GCR: Shows the currently displayed GCR line, if 525 line video is being decoded

Front Panel LCD Menus C.6.15 PID Info Menu This menu provides access to the submenus that display the packet identifiers (PIDs) for the components

Front Panel LCD Menus C.6.17 Audio 2 Service PID Info Menu Shows the Audio PID associated with the currently selected Audio2 service, if present.

Front Panel LCD Menus Menu title: STAT:DOWNLD INFO Description Section X – Error Number • 0 = Download no error • 1 = Code Verification • 2 = P

Front Panel LCD Menus C.6.20 CA Info Menu This menu is dependant on the CA module fitted inside the receiver. Table C.77: CA Info Menu Menu title

Front Panel LCD Menus C.6.20.1 Director 5 Status Menu Table C.78: Director 5 Status Menu Menu title: STAT:DIRECTOR5 Description SectionCarrier Slot

Front Panel LCD Menus C.7 Properties Menu C.7.1 Properties Menu Items Shows the hardware and software properties of the unit. Table C.81: Propert

Front Panel LCD Menus C.7.2 HW Config Menu This lists the available features and hardware of the Unit. A “+” in front of the component, signifies t

Introduction 1.2.4 Conditional Access The transport stream received by the IRD may be encrypted. The CA system is used to decrypt the required com

Front Panel LCD Menus EN/LZT 790 0002/2 R1A C-62 C.7.7 MAC Address This address is information only and cannot be changed. C.7.8 Customisat

D Alarm Categories and Conditions Annex D Contents D.1 Alarm Conditions ...

Alarm Categories and Conditions EN/LZT 790 0002/2 R1A D-2 BLANK

Alarm Categories and Conditions D.1 Alarm Conditions This chapter lists the alarm conditions detected by the unit. It also lists a description for

Alarm Categories and Conditions D.2.2 ASI Input Alarms The ASI input alarms relate to errors seen at the ASI input. Table D.2: ASI Alarm Categorie

Alarm Categories and Conditions D.3.2 Audio Output Alarms The audio output alarms relate to errors occurring in the audio decoders. The same alarm

Alarm Categories and Conditions Alarm Category Contents Audio output: Alarm Description Remedy Default Audio not used Audio component not signall

Alarm Categories and Conditions Alarm Category Contents VBI output: Alarm Description Remedy Default Userdata err Error in user data Improve s

Alarm Categories and Conditions D.4 CA and PSI/SI Related Errors D.4.1 CA Related Alarms The CA status alarms indicate the current condition of t

Alarm Categories and Conditions Alarm Category Contents TDT not present No data is received on the TDT PID. Check input signal and verify source. A

Introduction 1.3.2.2 nCompass Control / Web Browser (ETHERNET port) The receiver must have its IP Address and Subnet Mask (in the Properties:Networ

Alarm Categories and Conditions D.6 OAC Alarms The OAC out alarm provides a controllable relay via an over-air (NCP) command. This menu is only av

Alarm Categories and Conditions Table D.11: Output Alarm Categories and Conditions Alarm Category Contents IP Out alarms: Alarm Description Remedy

Alarm Categories and Conditions EN/LZT 790 0002/2 R1A D-12 Alarm Category Contents IP Out alarms: Alarm Description Remedy Default Bad Gat

E Using the TT1222 with the Director System Annex E Contents E.1 Configuring the TT1222 for Use With Director ...

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Using the TT1222 with the Director System E.1 Configuring the TT1222 for Use With Director E.1.1 Getting Started Set the Receiver to DIRECTOR 5 OA

Using the TT1222 with the Director System E.2 Response to Over-air Commands E.2.1 Scope of This Section This section describes the receiver’s res

Using the TT1222 with the Director System E.2.6 Force Service Selection Force’s the receiver to select a different service on the same frequency an

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TT1222 MPEG-2 SD 4:2:0 Professional Receiver ENGLISH (UK) - READ THIS FIRST! If you do not understand the contents of this manual. DO NOT OPERAT

Introduction 1.4 Guided Tour 1.4.1 Construction The receiver is constructed using a screened fan-ventilated chassis. All operational inputs and o

Introduction Figure 1.4 shows how to edit parameter values once a menu item is selected. Figure 1.4: Editing Values in a Menu. Decrement value Posi

Introduction EN/LZT 790 0002/2 R1A 1-12 1.4.3 Rear Panel All input, output and control connectors are located on the rear panel. Connector d

2 Installing the Equipment Chapter 2 Contents 2.1 Read this First! ...

Installing the Equipment EN/LZT 790 0002/2 R1A 2-2 2.6.3.2 Analogue/Digital Audio Outputs ...

Installing the Equipment 2.1 Read this First! 2.1.1 Handling The TT1222 must be handled and installed carefully and thoughtfully to prevent safety

Installing the Equipment 2.1.4.3 Lightning Protection Warning! If the unit has been subject to a lightning strike or power surge which has stopped

Installing the Equipment 2.3 Installing the Equipment 2.3.1 Fixing The TT1222 is designed for fixed use only and has been shipped with fixing brac

Installing the Equipment Allow at least 40 mm free air space at each side of the equipment to ensure adequate cooling. Units in racks can be stacke

Installing the Equipment 2.4.2 FCC This equipment have been tested and found to comply with the limits for a Class A digital device, pursuant to pa

Contents Contents Chapter 1: Introduction This chapter identifies the equipment versions covered by this manual; describes the purpose of the equipm

Installing the Equipment 2.5.2 Technical Earth Caution! It is strongly recommended that the Technical Earth terminal at the rear panel of the equi

Installing the Equipment 2.5.3.2 Disposal of Moulded Plugs Warning! If the moulded plug fitted to the mains cable supplied with this equipment is n

Installing the Equipment 2.6 Signal Connections 2.6.1 Overview The block diagram below shows the signal connections for the TT1222 Receiver and i

Installing the Equipment Figure 2.4: TT1222 Example Rear Panel View (Model fitted with QPSK Input Option) 2.6.2 Input Connectors 2.6.2.1 QPSK Inp

Installing the Equipment 2.6.3.2 Analogue/Digital Audio Outputs The TT1222 Receiver is fitted with two 9-pin D-type connectors each carrying one a

Installing the Equipment 2.6.3.3 TT1222 Audio Lead Two audio cables are supplied with TT1222 units, as shown below. These cables support analogue l

Installing the Equipment Table 2.5: RS-232 Low-speed Data Connector Item Specification Connector type 9-way D-type, Female Connector designation R

Installing the Equipment Parameter Specification GPO 3 Pin 3 GPO 4 Pin 6 GPO 5 Pin 7 GPO ground Pin 5 2.6.4 RS232 Remote The RS-232 connector l

Installing the Equipment EN/LZT 790 0002/2 R1A 2-16 2.6.5 Ethernet An RJ-45 Ethernet connector connects to a PC or network switch to provide

3 Options Chapter 3 Contents 3.1 Available Options... 3-3 3.1.1 Ha

TT1222 MPEG-2 SD 4:2:0 Professional Receiver EN/LZT 790 0002/2 R1A 2010-12-17 iv Annex D: Alarm Categories and Conditions Annex E: Using the

Options EN/LZT 790 0002/2 R1A 3-2 List of Tables Table 3.1: Hardware Options...

Options 3.1 Available Options 3.1.1 Hardware Options These options require extra hardware to be fitted to the unit. Contact the Customer Services

Options 3.2 Hardware Enabled Input Options 3.2.1 Limitations The TT1222 cannot be fitted with the ASI input option and QPSK input option at the s

Options 3.2.3.2 Connector Details - L-Band Input Cautions! The Receiver provides DC power via the active L-band input connector to drive an LNB (Lo

Options 3.2.5 Setting Up the QPSK Input Setting up the QPSK input is done entirely from the SETUP ⇒ INPUTS menu. Table 3.5 steps through all the

Options 3.3.1.3 Setting up the ASI Output The output can be set to be scrambled or descrambled. Table 3.6: Setting up the ASI Output Output Descri

Options Table 3.8: Setting up the SDI Output Menu Item Description Select Audio Group 1,2,3,4 There are four audio groups. Each audio group can co

Options 3.3.4.3 Setting up the Russian SECAM Output The output can be set to be LineID, Line+notch, Field+notch or B/W+notch. Table 3.10: Setting

Options EN/LZT 790 0002/2 R1A 3-10 BLANK

4 Operating the Equipment Locally Chapter 4 Contents 4.1 Powering the Equipment ...

Preliminary Pages Introduction This Reference Guide provides instructions and information for the installation, operation of the T1222 MPEG-2 SD 4:2

Operating the Equipment Locally EN/LZT 790 0002/2 R1A 4-2 BLANK

Operating the Equipment Locally 4.1 Powering the Equipment 4.1.1 Switching On Connect the TT1222 to the signal inputs and the AC power supply and

Operating the Equipment Locally 4.2.3 Editing a Menu Value 4.2.3.1 Accessing the Edit Mode To edit a menu item, first select the item using the R

Operating the Equipment Locally Step Action Result 5. Press the right arrow to action the command and reset the receiver. Resetting the receiver ta

Operating the Equipment Locally 4.5.3 Setting Up a TV Language Some services may contain several audio, Teletext and subtitling components, being

Operating the Equipment Locally Step Action Result 4. Pressing right will select the displayed service. A small check mark is displayed in front o

Operating the Equipment Locally EN/LZT 790 0002/2 R1A 4-8 4.6.3 DVB Common Interface There is one slot on the rear of the unit, to allow the

5 Operating the Equipment Remotely Chapter 5 Contents 5.1 Remote Control ...

Operating the Equipment Remotely EN/LZT 790 0002/2 R1A 5-2 BLANK

Operating the Equipment Remotely 5.1 Remote Control 5.1.1 Introduction The TT1222 can be remotely controlled in a variety of ways. The basic contr

Preliminary Pages Trademarks All best endeavors have been made to acknowledge registered trademarks and trademarks used throughout this Reference G

Operating the Equipment Remotely Step Action Result 4. Repeat for data bits, stop bits, parity and flow control. All settings should be set to mat

Operating the Equipment Remotely 5.1.4.2 OAC Lockout Caution! Ericsson Customer Services Help Desk will not be able to provide you with the Local l

Operating the Equipment Remotely EN/LZT 790 0002/2 R1A 5-6 Table 5.5: Configuring the Unit IP Address for Web Control Step Action Result 1.

6 Alarms/GPOs Chapter 6 Contents 6.1 Introduction... 6-3 6

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Alarms/GPOs 6.1 Introduction This chapter describes the four ways in which the TT1222 may locally monitor the operational and alarm status: • The

Alarms/GPOs Step Action Result 2. Scroll up and down through the alarm categories. Each category will show its status; OK, WARNING or ALARM. 3. To

Alarms/GPOs The relay is energised in the non-alarm condition, such that an alarm is indicated upon power failure. In addition, the TT1222 supports

Alarms/GPOs Category Description Video Alarms relating to the video PID and the Video Decoding. VBI Alarms relating to the VBI PIDs and the displa

Alarms/GPOs There are 5 events which the GPOs can always be set to trigger on. A sixth one is made available when the QPSK input card is fitted. Det

Preliminary Pages Follow Instructions All operating and use instructions should be followed. Retain Instructions The safety and operating instructio

Alarms/GPOs EN/LZT 790 0002/2 R1A 6-8 The GPOs can be configured via Front Panel, Ericsson RS-232 and Web Browser. Instructions are provided

7 Preventive Maintenance and Fault-finding Chapter 7 Contents 7.1 Routine Checks ...

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Preventive Maintenance and Fault-finding 7.1 Routine Checks 7.1.1 Cooling Fan Caution! The fan contained within this unit is not fitted with an in

Preventive Maintenance and Fault-finding 6. When the product exhibits a distinct change in performance. 7. If the equipment has been exposed to a

Preventive Maintenance and Fault-finding EN/LZT 790 0002/2 R1A 7-5 Call Ericsson Sales for more details. 7.3.4 Extended Warranty Note: The abo

Preventive Maintenance and Fault-finding EN/LZT 790 0002/2 R1A 7-6 Menu Item Default Parity Flow control None None SET: LS DATA Mode Aux PI

A Glossary Annex A The following list covers most of the abbreviations, acronyms and terms as used in Ericsson Manuals, User and Reference Guides

Glossary AMOL I and II Automatic Measure of Line-ups I and II: Used by automated equipment to measure programme-viewing ratings. ARP Address Res

Glossary Bouquet A collection of services (TV, radio, and data, or any combination of the three) grouped and sold together, and identified in the S

Preliminary Pages Levels of Continuing Ericsson Service Support For standalone equipment, then Ericsson BASIC Essential support is the value for mo

Glossary Chrominance The colour part of a TV picture signal, relating to the hue and saturation but not to the luminance (brightness) of the signa

Glossary DCE Data Communications Equipment: Typically a modem. It establishes, maintains and terminates a session on a network but in itself is not

Glossary DSNG Digital Satellite News-Gathering. DSP Digital Signal Processor. DTE Data circuit Terminating Equipment: A communications device that

Glossary Encryption Encoding of a transmission to prevent access without the appropriate decryption equipment and authorization. EPG Electronic Pr

Glossary GUI Graphical User Interface: The use of pictures rather than just words to represent the input and output of a program. A program with a

Glossary IP Internet Protocol: The IP part of TCP/IP. IP implements the network layer (layer 3) of the protocol, which contains a network address a

Glossary JPEG Joint Photographic Experts Group: ISO/ITU standard for compressing still images. It has a high compression capability. Using discre

Glossary MEM Multiplex Element Manager: A GUI-based control system, part of the range of Ericsson AB compression system control element products. T

Glossary Multicast An IP mechanism that allows transmission of data to multiple receivers. A multicast can also have several transmit sources simu

Glossary OFDM Orthogonal Frequency Division Multiplex: A modulation technique used for digital TV transmission in Europe, Japan and Australia; more

Preliminary Pages Customer Services and Technical Training Postal Address Ericsson Unit 2 Strategic Park Comines Way Hedge End Southampton Hampshir

Glossary PES Packetised Elementary Stream: A sequential stream of data bytes that has been converted from original elementary streams of audio an

Glossary PRPB Analogue Colour difference signals. Refer to CRCB for an explanation. PROM Programmable Read-Only Memory: A device, which may be wr

Glossary ROM Read Only Memory: A non-volatile storage device for digital data. Data has been stored permanently in this device. No further inform

Glossary STB Set-Top Box: A box that sits on top of a television set and is the interface between the home television and the cable TV company. New

Glossary SNTP Simple Network Time Protocol is an Internet protocol used to synchronize the clocks of computers to some time reference. It is a sim

Glossary UART Universal Asynchronous Receiver Transmitter: A device providing a serial interface for transmitting and receiving data. UDP User Da

Glossary EN/LZT 790 0002/2 R1A A-20 Y (Luminance) Defines the brightness of a particular point on a TV line. The only signal required for bl

B Technical Specification Annex B Contents B.1 General...

Technical Specification EN/LZT 790 0002/2 R1A B-2 B.11.7.2 For China ......

Technical Specification B.1 General The TT1222 is a 1RU single channel MPEG-2 receiver, designed to decode MP@ML MPEG-2 compliant transport streams