Telecast Adder 882 Скачать руководство пользователя страница 1

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Adder

882 System

Instruction Manual

Telecast Fiber Systems, Inc.

102 Grove Street

Worcester, MA 01605

Tel: 508-754-4858

Fax: 508-752-1520

www.telecast-Þber.com

Содержание Adder 882

Страница 1: ...Adder 882 System Instruction Manual Telecast Fiber Systems Inc 102 Grove Street Worcester MA 01605 Tel 508 754 4858 Fax 508 752 1520 www telecast ber com...

Страница 2: ...Adder 882 ii 1 April 1999...

Страница 3: ...3 Fiber Optic Installation 3 Audio Setup 4 Procedure 4 Optical Connections 6 Electrical Connections 6 Input Power Fuse 8 Operating Details 9 Battery Charging 9 Powering Up 9 Theory of Operation 10 Di...

Страница 4: ...Adder 882 iv 1 April 1999...

Страница 5: ...ors on the Rear Panel 8 Figure 10 Power Connector and Fuse Locations 8 Figure 11 Front Panel 9 Figure 12 Electronics Block Diagram 10 Figure 13 Audio Input Buffer Circuit 11 Figure 14 Audio Output Buf...

Страница 6: ...Adder 882 vi 1 April199...

Страница 7: ...lable with several optical options and con gurations Standard connection with bidirectional signals carried on two optical bers at either 850 1300 or 1550 nm One ber connection with optically combined...

Страница 8: ...WDM DET ST type Single Optical 850 nm 1300 nm LED WDM DET 8 Audio in 8 Digital in RS 422 8 Audio out 8 Digital out RS 422 Audio in 8 Digital in RS 422 8 Audio out 8 Digital out RS 422 8 connector Fibe...

Страница 9: ...mage to the cables or their connectors Fiber Optic Installation The installer is responsible for providing the ber optic cable runs which are available from Telecast Fiber Systems Inc Refer to the Acc...

Страница 10: ...desired on line inputs Procedure 1 Determine which inputs will be connected to microphones and for which line I O the 10 dB boost cut is to be used 2 Copy Table 2 and ll in the required I O characteri...

Страница 11: ...Replace the top cover and gently reinstall the screws Figure 6 Main Circuit Board Zin Gain Lo Lo 40 10 40 10 Gain A B B A A B A B 10 10 Fine Level Switches are shown in the factory default position I...

Страница 12: ...directions when fastening a connector to the cable A Quick crimp kit part number CKIT ST QC is available from Telecast On a two ber system connect the cables so that transmitter ST A at one end connec...

Страница 13: ...ration is selected RS 422 and RS 232 functions are not available at that connector Table 4 Digital Cable Connections Pin Number Connectors 1 3 5 7 Left Connectors 2 4 6 8 Right Serial Com CCU 1 RS 422...

Страница 14: ...ar panel see Figure 10 Be sure to use the same fuse type if replacement is required Table 5 Power Connections Pin Signal 1 Ground 2 Not used 3 Not used 4 12 to 24 VDC Abs Max 30 VDC 2AMP SLO BLO DC IN...

Страница 15: ...EDs is on AUDIBLE ALARM An audible alarm has been incorporated into the Adder 882 in addition to the LED indicators on the front panel This alarm alerts the user that the internal batteries are discha...

Страница 16: ...en inputs and outputs at opposite ends of the system Audio inputs and outputs are on separate sets of eight XLR connectors located on the rear panel Refer to Figure 1 on page 1 For details on setting...

Страница 17: ...0 W balanced Figure 14 Audio Output Buffer Circuit 2 1 2 Ferrite Bead 8 3 1 8 4 MC33078 10pF 1 1 10pF 4 99k 8 5 2 49k 6 7 MC33078 680 3 1 2 1 0 2 Ferrite Bead 2 49k Audio In 1 2 3 6 5 4 Mode 4 99k 4 6...

Страница 18: ...osure circuits are not provided on connectors 2 4 6 and 8 Refer to Table 4 Digital Cable Connections on page 7 for instructions on selecting the CCU capability When this option is selected the RS 422...

Страница 19: ...Telecast Theory of Operation 13 Figure 15 Digital I O Connectors 1 3 5 and 7...

Страница 20: ...Adder 882 14 1 April 1999 Figure 16 Digital I O Connectors 2 4 6 and 8...

Страница 21: ...each audio channel Multiplexer Sequentially presents eight RS 422 digital inputs and eight digitized audio signals from the A D converters to the optical output driver and four to remote relay closure...

Страница 22: ...power meter kit Cable repair kit Loop back cable to localize signals during installation test Replacement Ni Cad battery pack Quick crimp kit to attach ST connectors to ber optic cable Prefabricated c...

Страница 23: ...go on replace the battery No operation LINK STATUS LED on Optical communications failure Check for broken or disconnected bers or that the Adder 882 unit at the other end is not operational On a one b...

Страница 24: ...nto 600 Ws Unity gain 18 dBm peak 10 dB 8 dBm peak Frequency response 8 dBm from DC to 25 kHz 0 2 dB Output Signal Level 30 W balanced output into 600 Ws Unity gain 18 dBm peak 10 dB 8 dBm peak Freque...

Страница 25: ...r shorted to circuit ground Remote contact closed Output Form 1A SPST NO isolated contacts Voltage 200 VDC Switched current 500 mA Carry current 1 2 A Contact resistance 200 mW Optical Characteristics...

Страница 26: ...or inadequate maintenance and care Nor shall this warranty apply to any damage caused in whole or in part by attempts by personnel other than Telecast s personnel as approved in advance in accordance...