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Technical Description of TANDBERG MCU with software version D3

D12925 Rev. 03

Technical Description

of TANDBERG MCU

with software version D3

TANDBERG

D12925 Rev. 03

Содержание MCU

Страница 1: ...Technical Description of TANDBERG MCU with software version D3 D12925 Rev 03 1 Technical Description of TANDBERG MCU with software version D3 TANDBERG D12925 Rev 03...

Страница 2: ...es 14 4 1 4 10 Intelligent Packet Loss Recovery IPLR 14 4 1 5 LEDs Description 15 4 1 5 1 Description of PRI Alarms 15 4 1 6 Intelligent Call Management ICM 16 4 1 7 MCU Capacity 17 4 1 7 1 MCU Capaci...

Страница 3: ...ent using a terminal connected to the RS232 port 35 4 6 5 Security 35 4 6 5 1 HTTPS TLS SSL 35 4 6 5 2 Disable Services 36 4 6 5 3 Security Alert 36 4 6 5 4 Authentication of Remote Management System...

Страница 4: ...Technical Description of TANDBERG MCU with software version D3 D12925 Rev 03 4 9 4 STORAGE AND TRANSPORT TEMPERATURE 45 9 5 SYSTEM POWER CONSUMPTION 45 10 TECHNICAL SPECIFICATION SHEET 46...

Страница 5: ...dge is required for installation and maintenance All features are included in the MCU thus there is no additional hardware required to use any of the inbuilt features All features of the TANDBERG MCU...

Страница 6: ...one by entering Software Option keys inserted e g via the MCU s web interface 3 Operation and User Interface The TANDBERG MCU is normally controlled via the web interface but any user may schedule mee...

Страница 7: ...rk Interfaces and Features Network Interfaces 4 x PRI RJ 45 Jack Primary Rate G 703 Interfaces 2 x Ethernet RJ 45 Jack LAN interfaces 10 100 Mb 2 4 x PRI RJ 45 jack Primary Rate G 703 interface for tr...

Страница 8: ...possible to dial into conference number 1 via H 323 4 1 3 PRI E1 T1 ISDN 4 1 3 1 ISDN numbers The PRI lines connected to the MCU should have at least one number each to allow dial in from ISDN Number...

Страница 9: ...will give a total of 30 4 120 channels Within these protocols the following switches are supported Switches Protocols supported 4ESS AT T AT T Custom 5ESS AT T AT T Custom and National ISDN3 DMS250 N...

Страница 10: ...2 Toll Free Megacom 800 3 Megacom 6 ACCUNET Switched Digital Service incl Switched Digital International 7 Long Distance Service incl AT T World Connect 8 International Toll Free Service 1800 16 AT T...

Страница 11: ...it can select which packets to send first and which to throw away Some information traffic is time critical while other is not and classification is used to differentiate this traffic One may set sepa...

Страница 12: ...ined prefixes 4 1 4 3 IP adaptive bandwidth management The MCU never produces more traffic than needed for better utilization of network resources Most of the data sent in a videoconference is video d...

Страница 13: ...ng where transport delay is introduced 4 1 4 7 Latency Jitter Latency is defined as the time between a node sending a message and receipt of the message by another node The TANDBERG MCU can handle any...

Страница 14: ...oss is displayed in the conference overview of the MCU The number shown is the average of audio and video packets that are lost during the last 2 seconds 4 1 4 10 Intelligent Packet Loss Recovery IPLR...

Страница 15: ...Receive RX signals Red Alarm Red alarm or Loss of signal LOS means that there is no signal and thus no framing info received This has same effect as pulling out the PRI cable Yellow Alarm Yellow alar...

Страница 16: ...reliable and safe If the ISDN network drops channels during a meeting the conference will not shut down but adjust to the remaining number of available channels6 This ability is called Downspeeding a...

Страница 17: ...20x64 kbps if all 4 PRI s are installed b The maximum bandwidth for ISDN T1 is 5888 kbps 92x64 kbps if all 4 PRI s are installed III In addition each call has a Call Weight depending on bandwidth and...

Страница 18: ...15 16 15 13 384 kbps 16 9 15 2 11 512 kbps 15 0 11 4 10 768 kbps 10 0 7 8 7 1472 kbps 1 5Mbps 5 5 4 0 N A 1920 kbps 2Mbps 4 0 3 2 N A Limited by the maximum capacity 7680 kbps see rule II a above Limi...

Страница 19: ...ecret is done through the computation of the Diffie Hellman DH algorithm The DH method uses primes numbers of 512 bits length for DES and 1024 bits for AES The shared secret is then used as a key for...

Страница 20: ...31 H 243 For controlling the TANDBERG MCU conference the following options are implemented H 243 MCV Take Floor This feature is used by any of the connected sites I e any site may Request floor to bro...

Страница 21: ...umber to dial by the endpoints will be 207987654 1234 2 Password prompted after the MCU is called sound or picture prompt In this case the TANDBERG MCU sends a TCS 1 message to the terminal right afte...

Страница 22: ...up Incoming Outgoing MCU calls Normally the MCU will set up only 1 channel from PRI 1 and build up the channels starting from the bottom of the last PRI in use This will ensure that the MCU always hav...

Страница 23: ...s and the pin out is shown in table below Signal Name Direction Pin number Carrier detect CD From DCE 1 Receive data RXD From DCE 2 Transmit data TXD To DCE 3 Data terminal ready DTR From DCE 4 Signal...

Страница 24: ...tandard H 264 Provides considerably better video quality at lower bandwidths It has been developed with strong TANDBERG participation in joint workgroups of ITU T and ISO H 264 is based on the ISO sta...

Страница 25: ...ne automatically either when one of the sites changes its transmitting video format or if these formats are changed from the MCU itself 4 4 4 Best Impression Best Impression is a TANDBERG feature that...

Страница 26: ...e sub pictures If there are less than sixteen video sites the empty sub picture s will be black CP 5 1 The transmitted picture will show one large picture of the current speaker and 5 small sub pictur...

Страница 27: ...e is defined to select Enhanced CP mode 4 4 4 2 Automatic Resolution switching Voice Switched Mode In Voice Switched mode or when someone has the floor the MCU will send the same format as the one rec...

Страница 28: ...eiving it The Video Format will fallback as described above for Voice Switched mode 4 4 4 3 Video Transcoding The TANDBERG MCU supports video transcoding of two bandwidths The two bandwidths are not f...

Страница 29: ...nd Voice Switched mode or when one site has the floor regardless of which site is broadcasted on the main stream The Video format of Duo Video is described in Ch 4 4 2 Automatic bandwidth adjustment W...

Страница 30: ...e sizes Welcome picture The welcome image is shown when new participants enter the conference It is possible to disable this feature when setting up a conference Password Enquiry picture This is an im...

Страница 31: ...o customize this welcome sound by storing a WAV file in the system It is possible to disable this feature when setting up a conference 4 5 3 1 2 Password sound When endpoints are entering a conference...

Страница 32: ...o ensure high quality audio on low call rate unselect Allow G 728 and video participants not able to support G 722 1 will receive G 722 instead 4 5 8 Audio Compression Algorithms The following audio a...

Страница 33: ...nd is used for H 323 conferences as well as management features of the MCU such as connecting to the internal web server Telnet and FTP server The system supports the following settings of this interf...

Страница 34: ...bling the system to automatically be given IP address and Subnet Mask when connected to a network with a DHCP server In addition to the above TCP IP based protocols allowing management to be performed...

Страница 35: ...t locally See chapter 4 3 and the document TANDBERG MCU API D12930 for details of API commands available via RS232 Telnet 4 6 5 Security 4 6 5 1 HTTPS TLS SSL The TANDBERG MCU supports HTTPS in order...

Страница 36: ...ervice used Web Telnet and FTP will be given When the optional TANDBERG Managemen Suite TMS is used an email notification may also be sent e g to the administrator of the network 4 6 5 4 Authenticatio...

Страница 37: ...nge 2326 2837 UDP FTP control 21 TCP Telnet 23 TCP Telnet11 57 TCP HTTP 80 TCP HTTPS 443 TCP NTP 123 UDP incoming to MCU SNMP Queries 161 UDP SNMP Traps 962 UDP outgoing from MCU Netlog 963 TCP FTP da...

Страница 38: ...MCUs will automatically be set to Voice Switched while the master MCU may be set to one of the CP layouts or kept in Voice Switched mode A distributed MCU scenario may add delays to the switching of t...

Страница 39: ...time the conference is disconnected but the conference is not ended e g cleared It is possible to change the max meeting duration during a conference via the web page Note the new time must be longer...

Страница 40: ...ants when entering a conference Password Enquiry sound password wav This sound is sent to participants upon entering when a password is set for the conference 5 4 3 Other files Parameter settings of M...

Страница 41: ...makes the company itself a company with a low rate of emissions and effects on the environment TANDBERG s policy is to make sure our partners produce our products with minimal influence on the environ...

Страница 42: ...tion of Tele Terminal Equipment TBR 4 Comply with EU s Commission Decision 1999 5 EC 7 2 EMC Emission Radiated Electromagnetic Interference EN55022 1994 A1 1995 A2 1997 CISPR 22 1993 Corr and Am 1 and...

Страница 43: ...ed reliability of the TANDBERG MCU is expressed in the expected random Mean Time Between Failures MTBF for the electronic components based on the Power On Hours POH The POH for the TANDBERG MCU is 69...

Страница 44: ...ANDBERG MCU Part no Length PRI cables 4 111890 M1 M2 M3 M4 5 0 m 16 7 ft Ethernet cable 112083 5 0 m 16 7 ft RS232 cable 112489 3 0 m 10 0 ft Power cables International package 110207 EU 110208 UK 110...

Страница 45: ...3 Operating Temperature and Humidity 0 C to 35 C 32 F to 95 F ambient temperature 10 to 90 Relative Humidity RH 9 4 Storage and Transport Temperature 20 C to 60 C 4 F to 140 F at RH 10 90 non condensi...

Страница 46: ...etect selection Other Supported ITU Standards H 320 BONDING ISO 13871 H 231 H 243 H 221 H 242 H 245 MCU Features Dial in dial out capabilities ISDN IP Downspeeding at call setup ISDN Downspeeding in c...

Страница 47: ...FTP 1 x RS 232 for local software upgrades local control and diagnostics Conference scheduling via TANDBERG Scheduler and TANDBERG Management Suite Optional Embedded WEB server Total Conference and C...

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