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TELOS 2101 USER’S MANUAL

PART IV

THE STUDIO INTERFACE & ADDITIONAL HYBRIDS

IV-55

SECTION 3 – STUDIO INTERFACE: DETAILED CONFIGURATION & REFERENCE

GAIN

BLOCK

EQ

BLOCK

AGC

BLOCK

DUCKING

DECISION

BLOCK

T-LINK

INTERFACE

BLOCK

GAIN

BLOCK

DDEQ

BLOCK

AGC

BLOCK

HYBRID

BLOCK

DSP BLOCK

AES

ANALOG

AES/EBU

SAMPLE

RATE

CONVERTER

ANALOG TO

DIGITAL

CONVERTER

INPUT

SELECT

AES/EBU

ANALOG

INPUT/

SEND

METER

SELECT

STUDIO IN

HYBRID SEND

AES/EBU

SAMPLE

RATE

CONVERTER

DIGITAL

TO ANALOG
CONVERTER

OUPUT/

RECEIVE

METER

SELECT

HYBRID RECEIVE

STUDIO OUT

AES

ANALOG

OUTPUTS

INPUTS

ISDN MASTER CLOCK

AES/EBU SYNC CLOCK

AUDIO

CONTROL

CLOCK

ISDN AUDIO

TELOS TWO - Signal Flow

Simplified Block diagram of the 2101 Studio Interface’s integral Telos TWO dual hybrid. For

the sake of simplicity only one audio channel is shown.

The leftmost meter can display either the Studio Input levels (Send - to caller 1 & 2) from
your console or the Hybrid Send levels (Line 1 and Line 2) to the phone line. The Hybrid
Send levels are active even if a line is not connected. Pressing the small button on the meter
selects between Studio In and Hybrid Send. This level is controlled by the Input Gain and
Hybrid Send Level selections in the Audio menu. See section 2.4 for step-by-step instructions
and section 3.3.1 for more information on setting this level.

So what’s the difference between Studio In level and Hybrid send level? Well, we’re glad you
asked. The Studio In level represents the raw digital level after the analog to digital converter
(or the AES/EBU level after sample rate conversion) and gain adjust stage, while the Hybrid
Send level represents the signal after the AGC/Limiter and EQ stages. The Hybrid send meter
can be used to see how much limiting is occurring and fine tune your level. Once the Studio
In level is set using the Input Gain adjustment (from the Audio menu) you can then view the
Hybrid Send meter to see the levels after the AGC. This setting will allow you to see
remaining headroom when the system is in operation. See the diagram above for details.

The right meter displays either the Studio Out levels (Left and Right) from the Studio
Interface to your console or the Hybrid Receive levels (Line 1 and Line 2) from the telephone
network. Pressing the small button on the meter selects between Studio Out and Hybrid
Receive.

Once again, an explanation is in order. Hybrid Receive level represents the level of the caller
before any receive AGC action. The Studio Out levels show the caller audio signal which is
headed to your console, after the equalization, AGC, and gain adjustments have been made.
See diagram above for details.

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Содержание 2101 Series

Страница 1: ...TELOS 2101 USER S MANUAL TELOS SERIES 2101 AdvancedAllDigitalMulti lineMulti studioBroadcastTelephoneSystem USER S MANUAL PART IV Studio Interface Additional Hybrids V2 0d...

Страница 2: ...TELOS 2101 USER S MANUAL PART IV THE STUDIO INTERFACE ADDITIONAL HYBRIDS IV II TABLE OF CONTENTS This blank page is intentional...

Страница 3: ...OG AUDIO 27 1 4 3 POH PROGRAM ON HOLD INPUT STUDIO INTERFACE ONLY 29 1 4 4 OUTPUT CALLER LEFT RIGHT AUDIO 29 1 4 5 AES EBU DIGITAL AUDIO IN OUT 30 1 5 AC MAINS POWER 31 1 6 REMOTE CONTROL PORTS 33 1 6...

Страница 4: ...NU 69 3 4 EXTERNAL CONTROL 75 3 4 1 RS 232 CONTROL 75 Serial Port Commands Studio Interface only 76 3 4 2 ETHERNET 10BASE T CONTROL 83 3 5 SYSTEM AUDIO PROCESSING AND FEEDBACK CONTROL 83 3 5 1 SEND AU...

Страница 5: ...etween 0 to 40 degrees Celsius 32 to 104 degrees Fahrenheit and relative humidity is between 0 to 98 non condensing The unit will operate on any commonly available AC mains voltage between 90 and 240...

Страница 6: ...out 2101 Studio Interface includes the following connections 8 Desktop Directors using optional power supplies and expansion card 2 T Link connections to the hub s using optional T Link Studio Interfa...

Страница 7: ...or Power Supply Kit Part 0212 1400 must be used Additional Desktop Director Ports Optional Part 2001 00022 allows connection of four additional Directors for a maximum of eight External Power Supply R...

Страница 8: ...log 1 SEND to Caller Analog 2 CALLER Out Analog 1 CALLER Out Analog 2 CALLER Out AES 1 2 Ethernet 10 base T WAN LAN Connection Program on Hold Source KEY Data T LINK Analog Audio AES EBU Audio Paralle...

Страница 9: ...ur console to the 2101 Studio Interface How many inputs on the console will be used 2 1 If only a single feed from the 2101 Studio Interface to the console will be used see Routing in section 3 3 1 fo...

Страница 10: ...a modular jack accessible through each rear slot in slots A or optionally A B This will be a 8 position RJ 45 style miniature connector An amber yellow LED next to below this connector indicates a Los...

Страница 11: ...is advisable that precautions be taken to prevent damage caused by power surges Special T1 interface surge protectors can be used to offer some degree of protection at the T Link interface jack If the...

Страница 12: ...the left when viewed as above with pins facing you and at the top PIN COLOR 1 White Green 2 Green 3 White Orange 4 Blue 5 White Blue 6 Orange 7 White Brown 8 Brown Not required The T Link connection...

Страница 13: ...Ethernet Crossover cable 1 3 2 Desktop Director Connections StudioInterfaceonly The 2101 Studio Interface has 2 Desktop Director ports located in slots F Each port supports 1 Desktop Director directl...

Страница 14: ...e from Studio Interface 5 S Receive from Studio Interface 6 S Transmit to Studio Interface 7 Power Sink 8 Power Sink Top The interface connector on the Desktop Director is a standard modular RJ 45 sty...

Страница 15: ...tionally a second card can be installed in slot E Pin 1 is at the top Power is provided on pins 7 8 for a maximum of two Desktop Directors If more than one Desktop Director is required on a single por...

Страница 16: ...e This connection is limited to 2300 Feet 700 meters and wiring should be configured using the extended passive bus configuration see below for some examples h HOT TIP Since category 5 wire is so comm...

Страница 17: ...ower Supply In the extended configuration the Desktop Director must be within 2300 feet 700 meters of the 2101 Studio Interface The power supply must be 250 feet 76 Meters or less from the Desktop Dir...

Страница 18: ...rnal termination resistors enabled When two Desktop Directors are used in a single port the termination resistors on the Director closer to the power supply will need to be disabled To do so follow th...

Страница 19: ...this jack to one of the Desktop Director ports of the Series 2101 Studio Interface The cable used is the same cable used with the ISDN S interface See below for a diagram of the basic hookup U S T NT1...

Страница 20: ...Blue Rcv NT1 to TE from Network 6 Orange Xmt TE to NT1 to Network 7 White Brown PS 2 Power 48 VDC 8 Brown PS 2 Power ground Not used on Telos TWO Used only in units shipped to the USA Canada Not need...

Страница 21: ...both the Series 2101 Studio Interface and the Telos TWO dual hybrid Additional information on the Telos TWO is included in the manual shipped with that product 1 4 1 Mix Minus What is a mix minus The...

Страница 22: ...to Utility as well just never the fader representing the hybrid s own audio LINE CHANNELS UTILITY BUS PROGRAM BUS PHONE CHANNEL PROGRAM OUT Send Rcv Hybrid MICRO PHONES A typical mix minus using an e...

Страница 23: ...lly off for the input channel with the caller audio Mic Preamp AUX 1 AUX 2 OUTPUT FROM HYB 1 LEFT OUTPUT RI GHT OUTPUT AUX 1 OUT AUX 2 OUT TO HYB 1 IN UTILITY MIXER Mic1 Caller NOTE This must be turne...

Страница 24: ...the mic preamp output directly to the hybrid as well to the board mixer console mixing desk This approach lacks flexibility and requires additional equipment if more than one mic is used and or more...

Страница 25: ...st place to look when strange or erratic performance is experienced The quickest test is to bring up only the hybrid in question on the board and select a line Dial tone should not appear on the send...

Страница 26: ...y If the hybrid isn t doing a good job of preventing the send audio from leaking to its output the special remote send mix minus is corrupted Remember if any of the announcer audio from the remote sit...

Страница 27: ...s Remote Mix Minus Studio Console Other Sources for music etc Zephyr Trans mission Path Phone Hybrid REMOTE SITE STUDIO Microphone Talent Headset Diagram showing system set up for remotes with delay i...

Страница 28: ...se a decrease in hybrid performance Some consoles with high amounts of headroom may cause clipping A 10 dB pad will help in these cases h HOT TIP The signal fed to these inputs should be a mix minus o...

Страница 29: ...puts Clipping point is 18dBu 4 dBu nominal input h HOT TIP You do not need to provide a Program on Hold source to the optional Telos TWO Hybrid The Program on Hold source fed to the Studio Interface w...

Страница 30: ...o Hybrid 1 while the right input will be fed to Hybrid 2 the internal routing of these two signals can be changed using the Routing option in the Audio menu Because of this fact you may need an extern...

Страница 31: ...nd more information about setting the AES Out sync modes in section 3 3 1 1 5 AC mains Power The AC receptacle connects mains power to the unit with a standard IEC International Electrotechnical Commi...

Страница 32: ...32 SECTION 1 STUDIO INTERFACE INSTALLATION w IMPORTANT SAFETY INFORMATION If fuse replacement is required please note For continued protection against fire replace fuse only with same type and value S...

Страница 33: ...ding device The pin outs and interface specifications are given here The available functions for these inputs and outputs are Record Control Outputs See Part V section 2 3 3 for more information Ring...

Страница 34: ...ed current on these pins to 400mA could cause hardware damage or system instability CURIOSITY NOTE The DB designation for D Sub connectors is from Cinch Corp s part numbering system The proper Cinch d...

Страница 35: ...equipment has the pull ups built into their control inputs check the device s manual to be sure If there is no pull up in the interfaced equipment you ll have to add one An appropriate value is 2 2K C...

Страница 36: ...ts DC on pin 3 has both SAA ports in parallel with pin 8 on the Parallel remote control port Failure to limit the combined current on these pins to 400mA could cause hardware damage or system instabil...

Страница 37: ...gh cable is required to interface to a computer Cables may be easily fabricated or may be obtained from a computer store The following tables show the recommended cable configuration for connecting th...

Страница 38: ...his allows the Studio Interface to communicate with the Series 2101 Hub This connection is required for the system to operate The Series 2101 uses IP Internet Protocol for its communications Therefore...

Страница 39: ...ades over the Internet For details see section 3 3 3 10 Base T Ethernet Connector This is an industry standard 10Base T Ethernet connector on the usual 8 position 8 pin miniature modular RJ 45 style j...

Страница 40: ...TELOS 2101 USER S MANUAL PART IV THE STUDIO INTERFACE ADDITIONAL HYBRIDS IV 40 SECTION 1 STUDIO INTERFACE INSTALLATION Blank blank blank I tell you this page is blank This writing It does not exist...

Страница 41: ...g through the steps outlined in this section please perform the initial installation hooking up cables etc as described in section 1 with the exception of connecting the units to the LAN See the Insta...

Страница 42: ...guration purposes every time the IP address Is being changed the Studio Interface reboots Itself automatically R Enter a unique Host name See sections 2 2 2 3 3 3 R Connect the Studio Interface s to t...

Страница 43: ...s well as any external Desktop Director power supplies should have power and be turned on The LCD screen should be on and you should see the default screen similar to the one illustrated below Series...

Страница 44: ...ect button Press the 5 button until the appropriate protocol is shown and press the Select button again to confirm See section 3 3 2 for additional information on the correct choice 2 4 TCP IP Hostnam...

Страница 45: ...nterface reboots Itself automatically Move the dark cursor bar to IP Addr using the 6 key and press the Select button Enter a subnet mask using the numeric keys You should consult with your network ad...

Страница 46: ...back up use the 5 button As usual the Select button confirms entry 2 5 Is this Studio Interface working You will need to make sure the 2101 Hub is up and running first See Part III The System Hub for...

Страница 47: ...he LCD screen See Part V section 2 1 3 for details on selecting a show If no show configurations appear check the LAN connections at this Studio Interface 10 100 Base T LAN hub and the 2101 Hub Check...

Страница 48: ...e hybrids are TURNED OFF w IMPORTANT If your board operators typically run in the red you should do the same We ve said this twice since clipping on the hybrid s inputs must be avoided or hybrid perfo...

Страница 49: ...these LED bargraphs since we are connected hybrid 1 to hybrid 2 the audio will be reversed The audio sent to hybrid 1 will return on hybrid 2 and will be on the LED bargraph labeled 2 and the audio se...

Страница 50: ...at the left meter on the 2101 Studio Interface and verify that this audio is not present on the 1 LED bargraph If this audio is present here you are not feeding hybrid 1 a mix minus and you must fix...

Страница 51: ...how If no show configurations appear check the LAN connections at this Studio Interface 10 100 Base T LAN hub and the 2101 Hub Check the Telos 2101 hub is running and configured see Part III 3 Makes s...

Страница 52: ...io Interface and decide how to set up the following parameters Desktop Director Operation Talent mode Vol 3 Part V Section 4 Desktop Director Operation Producer Mode Vol 3 Part V Section 3 Receive EQ...

Страница 53: ...Status button to display these A few words about the 2101 Studio Interface Extended Hybrid Telos TWO and their hardware family You will note a high degree of similarity between the 2101 Studio Interfa...

Страница 54: ...e here to help 3 1 Level Metering The Telos 2101 Studio Interface and Telos TWO hybrid include two dual LED dual meters As is customary with digital equipment these are peak reading meters with the to...

Страница 55: ...section 2 4 for step by step instructions and section 3 3 1 for more information on setting this level So what s the difference between Studio In level and Hybrid send level Well we re glad you asked...

Страница 56: ...ering includes a peak level function The LED segment indicating the peak level remains on for approximately one second holding the peak value 3 2 Status Displays Pressing the Status button displays th...

Страница 57: ...value of the setting When you reach the value you desire press the Select button again to lock it in and return you to the item selection scroll mode 3 3 1 The Audio Menu This group consists of sixte...

Страница 58: ...ge of 4 to 2 dB Send Eq Turning on this equalizer simulates the audio response of a telephone handset microphone and will improve intelligibility Sometime high quality microphones sound too good and t...

Страница 59: ...ived caller audio to be attenuated ducked when the announcer speaks This is often desired for aesthetic effect and allows the announcer to remain in control of the conversation Permits open loudspeake...

Страница 60: ...d This is a simple manual equalizer mode where EQ values selected for LF and HF are applied constantly Adaptive Dynamic Digital This is a three band dynamic equalizer The proper values of high and low...

Страница 61: ...ng them together or mix the receive from both hybrids or create a stereo panned mix of the two hybrids receive audio This option is important as it determines how many mix minus feeds you will require...

Страница 62: ...id 1 and hybrid 2 as completely independent hybrids The only correlation between the two are the input and output gain levels and certain other options that control both hybrids The audio paths howeve...

Страница 63: ...of this cross feed path See diagram below The Mix Panned gives a stereo output with the two callers panned to either side Each caller hears a mix of the two studio audio inputs plus any caller on the...

Страница 64: ...ar one another through the hybrid The hybrid mix control in the Audio menu determines the level of this cross feed path See below The Mix Mono routing option provides identical audio with both callers...

Страница 65: ...be able to hear one another through the hybrid The hybrid mix control in the Audio menu determines the level of this cross feed path The Mix Wide routing option gives independent caller audio outputs...

Страница 66: ...d Mix This option allows adjustment of the amount of cross feed of one hybrid s output to the other The range is from 12 to 8 0 represents no gain or loss between callers and is the usual setting If y...

Страница 67: ...lephone network in your country Note that the items for Slot A Slot B Slot C Slot D will say T Link or EMPTY depending on how your system is configured Audio Settings Telco Natl I 1 Slot A T Link Slot...

Страница 68: ...s Brazil Costa Rica Mexico A Law Set to ETS 300 Americas Canada Dominican Republic Puerto Rico United States of America Venezuela u Law Set to any option but ETS 300 Europe Belgium Czechoslovakia Fran...

Страница 69: ...Series 2101 Studio Interface only Your T Link cards are in slots A B A card will only be present in slot B only if you have added an optional second card When the system is turned on it scans the slo...

Страница 70: ...a period As usual the 5 key will backspace if you make a mistake or need to delete an old entry Hostname Studio Interface Only You must assign a unique name to each Studio Interface Allowable charact...

Страница 71: ...internet service provider This is a numeric only field enter the digits as described above DNS IP This is the IP address of the DNS Domain Name Server you will be using It is an IP address just as wi...

Страница 72: ...at you prefer the original software This allows you to compare the two versions and determine which version better meets your needs Update software This menu brings up a query window which asks Are yo...

Страница 73: ...n this protects you from deleting your primary bank software unless the downloaded software is capable of successfully operating h HOT TIP If you get the error Cannot perform operation from this bank...

Страница 74: ...to 20 Click Volume Adjusts the volume of the audible click generated when a front panel button is pressed The value 0 is off and 20 is loudest quite loud in fact We prefer settings from 0 to 5 Serial...

Страница 75: ...n is for the rare case where Telos Customer Support may require you to do so First connect the Studio Interface to a computer s serial port Since the Studio Interface has a DCE interface you will need...

Страница 76: ...tion are very powerful and can interfere with normal operation of the Studio Interface if used incorrectly Please note that you should avoid using a command that you do not understand Note also that t...

Страница 77: ...ber base is 16 Line editing commands are R repeats last command L K recall previous commands S and D move cursor one character left or right A and F move cursor one word left or right X deletes charac...

Страница 78: ...External Name AudOutGain Parameter AudOutGain value Description Set Audio output gain to value Name AudDplx Parameter AudDplx level Description Display duplex level or set to level Name AudAGC Parame...

Страница 79: ...dAdapt Parameter AudStudAdapt value Description Display current Studio Adapt setting or set to value Name AudBurst Parameter AudBurst 0 1 Description Display Adapt Burst setting or change to 0 off 1 o...

Страница 80: ...ite Parameter FTPsite site Description Display or change FTP site Name IPdns Parameter IPdns DNS Description Display or change DNS server Name IPgw Parameter IPgw gateway Description Display or set ga...

Страница 81: ...iven director Name LnTelco Parameter LnTelco switch Description Display current switch type and options or set switch type Name LnSet Parameter LnSet Description Display current line settings by card...

Страница 82: ...reator 21 HDLC Msg Parser 22 HDLC Buffer 23 NonVolatile 24 Storage Manager 25 Storage Man Proxy 26 StorMan Pxy Helper 27 Application 28 App Messages 29 App Threads 30 Services 31 Service Thread 32 App...

Страница 83: ...o processing consists of the following functions Sample rate conversion High pass filter Frequency shifter Send equalizer Send AGC Limiter Sample Rate Conversion AES EBU sources are sample rate conver...

Страница 84: ...e low frequency audio they pick up can sound unnatural on a telephone handset Equalisation Characteristics of the Send EQ Send Automatic Gain Control Limiter This AGC helps maintain consistent audio l...

Страница 85: ...resent And reduces low level leakage thereby improving hybrid performance This function is cross coupled with the AGCs and the duplex system Digital Dynamic Equalizer Telephone audio frequency respons...

Страница 86: ...speaking this loss is inserted in the announcer path when the announcer is speaking the loss is inserted in the caller gain is reduced The effect is somewhat seesaw like with the total loss always bei...

Страница 87: ...g the mics or speakers It also helps of course to use directional mics Customers have reported good results with cardioid mics such the EV RE 20 and the Shure SM 7 Add equalization to the monitor path...

Страница 88: ...TELOS 2101 USER S MANUAL PART IV THE STUDIO INTERFACE ADDITIONAL HYBRIDS IV 88 SECTION 3 STUDIO INTERFACE DETAILED CONFIGURATION REFERENCE This page left devoid of useful information intentionally...

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