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C

OMREX

C

ORPORATION

34

STAC Product Manual

35

STAC contains two high-performance digital hybrids. The digital hybrids
in STAC can be treated independently from the telephone line switching
and hold functions in STAC. STAC hybrids are only utilized on calls that
have been put

On Air

. A block diagram of the STAC system is shown in the

figure below.

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LOCK

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IAGRAM

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ECTION

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STAC H

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PERATION

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Summary of Contents for STAC

Page 1: ...16 REAR VIEW DIAGRAM AND DESCRIPTIONS 17 SIDE VIEW DIAGRAM AND DESCRIPTIONS 17 CONFIGURATION 18 DIP SWITCH SETTINGS 18 MORE ABOUT THE AUX NEXT BUTTON AND CONTACT CLOSURES 19 CONTROL SURFACE OPERATION...

Page 2: ...S 38 BUILDING A MIX MINUS 38 TRIM POTS 45 CONFORMITY AND REGULATORY INFORMATION 47 TABLE 1 PHONE LINE PINOUT 10 TABLE 2 XLR PINOUT 10 TABLE 3 PARALLEL PORT PINOUT 14 TABLE 4 CONTACT CLOSURE AND AUX NE...

Page 3: ...contact Comrex at 978 784 1776 or fax 978 784 1717 This Warranty does not apply if the product has been damaged by accident or misuse or as the result of service or modification performed by anyone o...

Page 4: ...OT AGREE TO ALL OF THE TERMS OF THIS AGREEMENT RETURN THE PRODUCT UTILIZING THE EMBED DED PLAYER TO THE MANUFACTURER 1 License Grant Subject to the terms and conditions of this Agreement Licensor here...

Page 5: ...r in part You may not copy the Player or Docu mentation except as expressly permitted in Section 1 above You may not remove any proprietary notices or labels on the Player All rights not expressly set...

Page 6: ...t is governed by the laws of the United States and the Commonwealth of Massachusetts without reference to conflict of laws principles The application of the United Nations Convention of Contracts for...

Page 7: ...u access Auto answer and auto disconnect of phone lines Auto Attendant answers lines and plays your pre recorded message to caller STAC IP allows mainframe to be used as server for remote control func...

Page 8: ...s is an IEC style power port for optional computer monitor This port is used for connecting a PS 2 style mouse if desired This port is used for connecting a PS 2 style keyboard if desired This VGA sty...

Page 9: ...aces to the main frame with standard four pair cable Cat 4 or better This port provides status indications for Ringing and On Air lines For details see STAC MAINFRAME STATUS INDICATIONS on page 14 Pho...

Page 10: ...identical on the Phone Line jacks and the Loop Thru Jacks Table 1 Phone Line Pinout RJ 45 Pin Number Line Number Tip Ring 1 2 5 8 11 Tip 2 2 5 8 11 Ring 3 3 6 9 12 Tip 4 1 4 7 10 Tip 5 1 4 7 10 Ring...

Page 11: ...al audio It will light amber when the system is approaching its limit and red when the system is clipping Use this control to adjust the audio level sent to the caller The Input Indi cator 1 should be...

Page 12: ...lers they are On Air These switches control whether any caller suppression is applied Caller suppression allows the send audio input for instance a talk show host to dynamically control the level of t...

Page 13: ...function disables access to phone lines that have been picked up downstream of STAC Downstream devices are those connected via the telephone line Loop Thru ports on STAC When this function is enabled...

Page 14: ...electronickits com 1 978 422 5142 This device provides normally open and normally closed contacts for each of the eight signals available on the parallel port Note The CK1621 is not supplied with a 1...

Page 15: ...ou must determine whether the surface will be used as a Screener or a Studio surface The ma jor differences are listed below 1 Only Studio control surfaces can put calls On Air 2 Only Studio control s...

Page 16: ...TACT CLOSURES section page 19 Used to take all lines Off Hook before contests Used to change which line is currently set as the Priority line Next to air Used to enable disable the Auto Attendant func...

Page 17: ...a profanity delay or recorder This RJ 45 connector requires a UTP type cable to connect to one of the four STAC mainframe control ports Used to adjust headset volume does not affect handset volume Tw...

Page 18: ...Studio surface STAC control surfaces are provided with a removable and reversible legend that shows the functions of the line buttons in each of the two available modes Make sure the legend follows th...

Page 19: ...shion Alternatively the button can put the priority line to air Next Mode Note You cannot manually control the contact closure while using the Next Mode While in Next Mode the contact closure on the c...

Page 20: ...o effect on line status Off Off Record Trigger Closed when any lines On Air Open when no lines On Air Aux Next button acts as Next function Puts Priority line to On Air Off On Line Ringing Indication...

Page 21: ...ened Hold Hold Blue Flashing Caller hears Hold audio Priority Hold Hold Red Blue Alternating Caller hears Hold audio Busied Out Answer Hold Red Yellow Alternating All unlocked lines On Air Hold Red So...

Page 22: ...unlocked lines On Air Hybrid 1 Unlocked On Air Red Flashing Caller audio transferred to Hybrid 1 On Air Hybrid 1 Locked On Air Red Solid Caller audio transferred to Hybrid 1 On Air Hybrid 2 Unlocked...

Page 23: ...y to go On Air next The next line in logical queue to go On Air will flash with the special priority indication red blue alternating on a Screener surface and yellow green alternating on a Studio surf...

Page 24: ...via the mainframe DIP Switch 10 OFF DOWN 2 rings ON UP 6 rings To select options for outgoing message enter AA Configuration Mode by lifting the handset and holding down the Auto Attendant button on a...

Page 25: ...ork identically and can be accessed simultaneously Note that STAC does not provide the ability to hot plug a keyboard and mouse STAC must be rebooted after these are attached Only PS 2 keyboard and mo...

Page 26: ...Config Mode to change this setting 1 Apply power to the STAC mainframe with a keyboard and monitor at tached Wait for STAC to display the STAC IP screen on the monitor 2 Press Control Alt F3 simultane...

Page 27: ...Studio Chat text messages will be identified by the same name The remote STAC IP screen is designed to expand automatically to your monitor s resolution We recommend a resolution of at least 1024x768...

Page 28: ...busy until this is selected again This is useful in clearing lines before contests Lines Locked On Air won t be dropped Allows a line to be selected as the Priority or Next line Normally the Priority...

Page 29: ...are routed to Hybrid 1 Note The On Air buttons are visible but disabled if the STAC IP session is set for Screener or associated with a screener control surface Disconnects selected line from the sys...

Page 30: ...D CONT 11 LINE STATUS FIELDS BUTTON STATUS Table 7 STAC IP States Indications Line State Button Color Cadence Note Idle None None None On Hook idle displayed in text field Loop thru active None None N...

Page 31: ...ing their corresponding numerical keys For example line 1 is accessed by pressing the one 1 key Line 10 is selected with the zero 0 key line 11 is selected with the dash key and line 12 by the equal k...

Page 32: ...the pull down menu at the top of the STAC IP screen This menu has the following options Table 8 Control Surface Assignment Menu Option Meaning none Studio default No control surface association Answe...

Page 33: ...secu rity password 4 At the prompt type the word config then press Enter This will call up a text editor to allow you to edit the system configuration file 5 Use the arrow keys to scroll to the line...

Page 34: ...ck the STAC IP settings especially the netmask and gateway settings Try a different computer Be sure you have Macromedia Flash 6 or higher installed Try another browser if possible 2 By definition Net...

Page 35: ...ds in STAC can be treated independently from the telephone line switching and hold functions in STAC STAC hybrids are only utilized on calls that have been put On Air A block diagram of the STAC syste...

Page 36: ...king well people speaking from the studio will sound hollow or like they re talking into a barrel This is due to the strange effect of mixing microphone audio with telephone bleed through Of course ou...

Page 37: ...nd one call per hybrid Using Digital Signal Processing DSP technology and firmware the inter face between a standard analog POTS line and your audio equipment will result in superior quality audio The...

Page 38: ...ers Mix minus can be generated several ways and this section describes many of them One important element of the STAC is shown in Figure 1 The STAC has only one input for mix minus This means that if...

Page 39: ...to either make cus tom modifications to your console use host microphone audio as mix mi nus or as a last resort use the Auto Mix Minus feature of the STAC This is the simplest arrangement for genera...

Page 40: ...EX CORPORATION 40 Figure 2B Using Audition Bus on Console OPTION A CONTINUED CONSOLE PROVIDES AUDITION BUS Deselect To Air Program Out Audition Out Send In Hold Audio In Aux Out Hybrid 1 Hybrid 2 Out...

Page 41: ...for both caller outputs Do this by using the Aux Out out put rather than the individual caller outputs on the mainframe Make sure DIP Switch 3 on the mainframe is in the OFF position so that your Send...

Page 42: ...ward them to your external hybrid This will provide a separate send and re ceive audio port on the external hybrid as shown in Figure 4 This mode requires special jumper configuration on both the STAC...

Page 43: ...rather to tap the main studio microphone signal before the console and feed it directly into the STAC Send Input as in Figure 5 Note that callers will not be able to hear anything other than the host...

Page 44: ...s Also there is some time required for the Auto Mix Minus generator to adapt so the caller may hear some echo at the beginning of a call Finally if the caller level is adjusted during the call via the...

Page 45: ...g with your console audio control until callers verify that the audio level they are receiving is at a comfortable listening level With comfortable listening levels the Send LED should illuminate soli...

Page 46: ...indicate actual level from the telephone lines only If the caller LED flashes green only occasionally with caller audio the level from the tele phone line is too low and you should activate Caller Bo...

Page 47: ...ns defining Hearing Aid Com patible HAC and as such is deemed compatible with hearing aids _________________________________ Thomas O Hartnett Vice President Comrex Corporation Note This equipment has...

Page 48: ...r Terminal Equipment Terminal Systems and Certified Protection Circuitry Edition Date of Issue Issue 8 March 5 2001 Additional Information Telephone talk show system designed for use in radio TV stati...

Page 49: ...ve 1999 5 EC This product is compliant with the following standards and other normative documents European EMC Directive 89 336 EEC EN 55022 Class A EN55024 1998 Immunity ITE Equipment Low Voltage Dir...

Page 50: ...the customer as soon as possible Also you will be advised of your right to file a complaint with the FCC if you believe it is necessary The telephone company may make changes in its facilities equipme...

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