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Clear-Com ENCORE EF-701M, Инструкция по эксплуатации

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E F - 7 0 1 M   I N T E R F A C E

2 - 1 1

6.Lift off the cover. 
7.Make the necessary adjustments of jumpers P3 and P4 (shown in the following table).

To set a jumper to the closed position, plug it onto both pins. To set a jumper to the 
open position, plug it onto only one of the pins.

Table 2-1: P3 and P4 jumper settings

8.For reassembly, reverse steps 1 through 6. 

Note: The potentiometer (R13) is used to factory tune the 20-kHz call-signal detection 

circuitry. It should be adjusted only by qualified personnel. 

BAUD 1

BAUD 2

RATE

Open

Open 

19.2 kBaud

Closed 

Open 

9.6 kBaud

Open 

Closed 

4.8 kBaud

Closed 

Closed 

2.4 kBaud

Содержание ENCORE EF-701M

Страница 1: ...CLEAR COM ENCORE EF 701M INTERFACE I N S T R U C T I O N M A N U A L...

Страница 2: ...A 94501 U S A Vitec Group Communications 7400 Beach Drive Cambridge Research Park Cambridgeshire United Kingdom CB25 9TP Vitec Group Communications Room 1806 Hua Bin Building No 8 Yong An Dong Li Jian...

Страница 3: ...2 Connecting a Party Line Channel to a Matrix Frame Port 1 2 Converting a Party Line Channel to 4 Wire Audio 1 3 Front Panel Controls 1 8 Rear Panel Settings and Connectors 1 10 Mode Switch Settings 1...

Страница 4: ...nnecting the EF 701M to RTS TW Equipment 2 5 Other Connections 2 5 Levels 2 6 Nulling 2 7 Adjusting the Null 2 8 Troubleshooting Tips for Nulling 2 9 Internal Adjustments 2 10 Removing the cover of th...

Страница 5: ...m 3 8 GLOSSARY 4 1 SPECIFICATIONS 5 1 EF 701M technical Specifications 5 1 Clear Com Format 5 1 RTS format 5 1 General Characteristics 5 1 LIMITED WARRANTY 6 I Warranty Period 6 i Technical Support 6...

Страница 6: ...i v E F 7 0 1 M I N T E R F A C E...

Страница 7: ...r s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Only use attachments accessories specified b...

Страница 8: ...jects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 13 WARNING To reduce the risk of fire or electric shock do not exp...

Страница 9: ...to the presence of uninsulated dangerous voltage within the product s enclosure that might be of sufficient magnitude to constitute a risk of electric shock Do not open the product s case This symbol...

Страница 10: ...ility Product family standard for audio video audio visual and entertainment lighting control apparatus for professional use Part 2 Immunity And thereby compliance with the requirement of Electromagne...

Страница 11: ...ltpacks and main stations are still in daily use around the world We recommend that you read through this manual completely to better understand the functions of the EF 701M If you encounter a situati...

Страница 12: ...W party line directly to a Clear Com Eclipse Matrix frame port allowing the party line intercom to be located quite a long distance from the Matrix frame At the same time the EF 701M interfaces a DC v...

Страница 13: ...ltage call signal or 20 kHz call signal to RS 422 data This 4 wire audio and RS 422 data can then be sent to a fiber optic converter modem over copper unshielded twisted pair UTP cable such as Categor...

Страница 14: ...an intercom line as shown in Figure 1 2 Figure 1 2 Each EF 701M unit must be powered by an intercom line Call signaling can serve as more than simply a visual indicator A call signal can activate rela...

Страница 15: ...ion Figure 1 3 Interfacing two party line systems over a kilometer of fiber Note The terms modem codec and interface all refer to devices that convert one type of signal for transmission or reception...

Страница 16: ...in station are each connected to an EF 701M For an illustration see Figure 1 4 Each of those three is in turn connected to a fiber optic modem and sent through fiber to another fiber optic modem EF 70...

Страница 17: ...audio and if call signal is desired RS 422 data Figure 1 4 Six EF 701M units link various locations to a single channel EF 701M EF 701M PK 7 3 DB15 3 DB15 3 3 EF 701M EF 701M PK 7 3 DB15 3 DB15 3 3 3...

Страница 18: ...trols the audio signal level from the local 2 wire intercom the system connected to this EF 701M to the audio out of the 4 wire I O Local Receive controls the audio signal level from the audio in of t...

Страница 19: ...modes The first three relate to call signal data 1 ON Either a successful data link has been established with a remote EF 701M unit or the Matrix Direct mode has been selected at the local EF 701M uni...

Страница 20: ...other Switch 1 adjusts the EF 701M s connector settings for use with either 4 wire fiber the ON position or a matrix intercom the OFF position Switch 2 adjusts the EF 701M s connector intercom levels...

Страница 21: ...line If a loop through connection is needed use a high quality Y cable like the Clear Com SP 3 Note Each local party line channel must have one but only one termination MODE SWITCH OFF DEFAULT ON MODE...

Страница 22: ...o in audio out data in and data out Shorting pins 8 and 15 together or setting mode switch 2 to ON adjusts the unit to respond to 20 kHz call signal instead of DC voltage and adjusts audio levels for...

Страница 23: ...The Data LED will remain ON except when the unit is being nulled 2 Connect a CAT 3 CAT 5 or above cable from the RJ 45 Matrix connector on the back panel of the EF 701M to a port RJ 45 on the Matrix f...

Страница 24: ...ng pins 8 and 15 of the DB 15 connector on the EF 701M s back panel will also select the 20 kHz call signal and adjust audio levels for connecting to RTS TW lines When you short pins 8 and 15 set mode...

Страница 25: ...connectors follow these steps to connect the EF 701M to a modem 1 Connect the local party line channel to the EF 701M s rear panel 3 pin XLR connector 2 Check to see that the EF 701M is receiving pow...

Страница 26: ...re Audio Input to Party Line 4 Wire Audio Output from Party Line 4 Wire Audio Input to Party Line 4 Wire Audio Output from Party Line Not Used 30 VDC Power Intercom Ground Intercom Line XLR F Jump for...

Страница 27: ...a pin channel reversal would result in no power supplied to the EF 701M The audio channel carried on pin 2 of a TW line Clear Com or RTS will not be connected through the EF 701M however it will not b...

Страница 28: ...opposite ends of a pair of EF 701M units RTS and Clear Com for example the controls may need to be adjusted outside of the normal range Otherwise more extreme settings could indicate a problem elsewh...

Страница 29: ...ce The null circuit is effective on line lengths from 2 feet to 4 000 feet from 1 64 m to1220 m with impedances in the range of 120 350 Ohms and can reduce local audio in the received signal by more t...

Страница 30: ...rol until the tone is at its minimum 4 Adjust the L control until the tone is at its minimum 5 Adjust the C control until the tone is at its minimum 6 Because these controls interact with each other y...

Страница 31: ...y that there is a problem in the external party line With a Clear Com party line connected the L should be slightly to either side of the mid pot position The C control compensates for cable capacitan...

Страница 32: ...f the EF 701M Three tools are required for this procedure a 2 Phillips screwdriver a 3 16 in nut driver and a flat bladed screwdriver with a blade width of approximately 075 in 1 9 mm To remove the co...

Страница 33: ...To set a jumper to the open position plug it onto only one of the pins Table 2 1 P3 and P4 jumper settings 8 For reassembly reverse steps 1 through 6 Note The potentiometer R13 is used to factory tune...

Страница 34: ...sted Pair Wiring 14 13 RS 422 Receive RS 422 Receive 6 5 RS 422 Transmit RS 422 Transmit 14 13 RS 422 Receive RS 422 Receive 6 5 RS 422 Transmit RS 422 Transmit DB 9 Pins DB 9 Pins 9 10 1 2 4 Wire Aud...

Страница 35: ...ion offers a number of advantages over copper There is no susceptibility to electromagnetic interference Fiber optic cable is much lighter and more space efficient than copper even for a single channe...

Страница 36: ...ype of multimode fiber optic modem over shielded pair cable Figure 2 3 Shielded Wiring 1 2 3 4 5 6 1 2 3 4 5 6 J1B J1A Pin 1 J1A J1B 1 2 3 4 5 6 9 10 11 12 13 14 RS 422 Receive RS 422 Receive RS 422 R...

Страница 37: ...r than LEDs as the light source For dedicated use Clear Com has found that the FiberOptions 249B series multimode single channel works well for most single channel applications Range is up to 2 5 km 1...

Страница 38: ...2 1 6 E F 7 0 1 M I N T E R F A C E...

Страница 39: ...E F 7 0 1 M I N T E R F A C E 3 1 MAINTENANCE TROUBLESHOOTING TIPS Listed below are symptoms causes and solutions for some of the more common problems that may occur 3...

Страница 40: ...channel Levels seem low even after adjustment The local PL channel has multiple terminations Check termination switches on PL equipment and set appropriately Echoes hollow sound resonance Improper nu...

Страница 41: ...ays begin a setup with these set to their nominal levels 2 Reset jumper Excessive noise or poor frequency response Various causes related to modems and the network rather than to the party line equipm...

Страница 42: ...d rate or other modem requirements not compatible with EF 701M 3 The EF 701M units are set to different baud rates 4 One EF 701M is set to Matrix Direct Mode when connected to another EF 701M 1 Adjust...

Страница 43: ...Local PL problem 2 DB 15 is wired incorrectly at other end This will happen if an RTS TW channel is connected at one EF 701M and a Clear Com is connected at the other but the DB 15 on the RTS end has...

Страница 44: ...I N T E R F A C E Nulling Troubleshooting Tips Symptom Cause Solution No audio green LED is off EF 701M is not receiving power EF 701M units at both ends of the connection must receive power from a l...

Страница 45: ...units on channel 1 Verify operational status of PL equipment 2 Remove EF 701M units from the network If nulls on the remaining units improve the problem was too many EF 701M units This should not occ...

Страница 46: ...M Block Diagram 4 Wire Input Hybrid Null 4 Wire Output Gain Adj Gain Adj Microprocessor C C Call Send Receive Intercom Line TW Power Splitter Power 20 kHz Call 200 Hz Null 20 kHz Call Receive RS 422 S...

Страница 47: ...ire interface is present Four wire audio A single shielded pair or twisted pair cable carries audio in one direction only Hybrid A circuit that converts between 4 wire audio and 2 wire audio and conta...

Страница 48: ...rix frame holds the programmable circuit cards which control an intercom system The circuit cards connect to external intercom devices stations interfaces 4 wire audio through the RJ 45 connectors on...

Страница 49: ...Analogous to a telephone conference call with its full duplex talk and listen communication PL Abbreviation for Party Line RS 422 A balanced asynchronous data connection Sidetone The sound of your own...

Страница 50: ...4 4 E F 7 0 1 M I N T E R F A C E...

Страница 51: ...ISTICS Max Level Before Clipping 20dBu Impedance 10K SIGNALLING Receive 4 VDC Send 11VDC RTS FORMAT LINE CHARACTERISTICS Max Level Before Clipping 20dBu Impedance 10K SIGNALLING TONE Send frequency 20...

Страница 52: ...dB Matrix Party Line CC setting 5dB 3dB Matrix Party Line RTS setting 1dB 3dB Min Gain Party Line Matrix CC setting 7dB 3dB Party Line Matrix RTS setting 12dB 3dB Matrix Party Line CC setting 33dB 3dB...

Страница 53: ...0 in 122 mm Weight 1 75 lbs 794 kgs Accessories Wiring diagram adhesive backed TS 1 testing earphone Notice About Specifications While Clear Com makes every attempt to maintain the accuracy of the inf...

Страница 54: ...5 4 E F 7 0 1 M I N T E R F A C E...

Страница 55: ...a commercially reasonable time remedy defects in materials design and workmanship free of charge by repairing or should VGC in its discretion deem it necessary replacing the product in accordance wit...

Страница 56: ...e a limited warranty of two years The warranty starts at the time of the product s original purchase The warranty start date for contracts which include installation and commissioning will commence fr...

Страница 57: ...nty For latest contact information please refer to the Service and Support section at www clearcom com WARRANTY REPAIRS AND RETURNS Before returning equipment for repair contact a User Support Center...

Страница 58: ...nstallation or relevant packaging For latest contact information please refer to the Service and Support section at www clearcom com NON WARRANTY REPAIRS AND RETURNS For items not under warranty you m...

Страница 59: ...ystems or on any product with a 1 year or 90 day warranty LIABILITY THE FOREGOING WARRANTY IS VGC S SOLE AND EXCLUSIVE WARRANTY THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR...

Страница 60: ...ing from cause other than part defect and malfunction The VGC warranty does not cover any defect malfunction or failure caused beyond the control of VGC including unreasonable or negligent operation a...

Страница 61: ...s limited warranty is not transferable and cannot be enforced by anyone other than the original consumer purchaser This warranty gives you specific legal rights and you may have other rights which var...

Страница 62: ...v i i i E F 7 0 1 M I N T E R F A C E...

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