Table of Contents
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1.
OVERVIEW.......................................................................................................................................... 1
2.
INSTALLATION................................................................................................................................... 4
2.1. AES AUDIO AND RS-232/422 SERIAL PORT CONNECTIONS................................................ 4
2.2. OPTICAL CONNECTIONS ......................................................................................................... 5
2.3. CARE AND HANDLING OF OPTICAL FIBER............................................................................ 6
3.
SPECIFICATIONS............................................................................................................................... 7
3.1. OPTICAL INPUT......................................................................................................................... 7
3.2. AES AUDIO OUTPUTS .............................................................................................................. 7
3.5. AUDIO MONITORING OUTPUT:................................................................................................ 7
3.6. SYSTEM PERFORMANCE ........................................................................................................ 7
3.7. ELECTRICAL ............................................................................................................................. 8
3.8. PHYSICAL .................................................................................................................................. 8
4.
STATUS LEDS .................................................................................................................................... 9
4.1. MODULE STATUS LEDS ........................................................................................................... 9
4.2. AUDIO CHANNEL MONITOR LEDS .......................................................................................... 9
4.3. AES CHANNEL PRESENT LEDS .............................................................................................. 9
5.
JUMPERS AND USER ADJUSTMENTS .......................................................................................... 10
BY THE GLOBAL FRAME STATUS ........................................................................................ 10
5.2. SELECTING THE DATA COMMUNICATIONS STANDARD (RS-232 OR RS-422)................. 10
5.3. MONITORING THE AES AUDIO .............................................................................................. 10
TABLE OF CONTENTS
7705AR-2 ONLY) ....................................................................... 7
7705AR-2 ONLY) .......................................................................... 7
Revision 1.4.2
7700 MultiFrame Manual
7705AR Fiber Audio Receiver
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Summary of Contents for evertz 7700
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Page 1: Table Of Contents
7700 MultiFrame Manual 7705AR Fiber Audio Receiver TABLE OF CONTENTS OVERVIEW............................1 INSTALLATION........................... 4 2.1. AES AUDIO AND RS-232/422 SERIAL PORT CONNECTIONS..........4 2.2. OPTICAL CONNECTIONS ......................5 2.3. CARE AND HANDLING OF OPTICAL FIBER................6 SPECIFICATIONS..........................7 3.1. OPTICAL INPUT......................... 7 3.2. - Page 2 7700 MultiFrame Manual 7705AR Fiber Audio Receiver Figures Figure 1-1: 7705AR Block Diagram ........................2 Figure 1-2: 7705AR-2 Block Diagram ........................2 Figure 1-3: 7705AR-8 Block Diagram ........................3 Figure 2-1: 7705AR Rear Panels.......................... 4 Figure 5-1: Jumper Locations ..........................10 Tables Table 2-1: DB25 Pin Connections.........................
- Page 3 Nov 08 Information contained in this manual is believed to be accurate and reliable. However, Evertz assumes no responsibility for the use thereof nor for the rights of third parties, which may be effected in any way by the use thereof. Any representations in this document concerning performance of Evertz products are for informational use only and are not warranties of future performance, either express or implied.
- Page 4 7700 MultiFrame Manual 7705AR Fiber Audio Receiver WARNING Never look directly into an optical fiber. Non-reversible damage to the eye can occur in a matter of milliseconds. Revision 1.4.2...
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Page 5: Overview
7700 MultiFrame Manual 7705AR Fiber Audio Receiver OVERVIEW The 7705AR series AES Audio Receiver Demultiplexors and 7705AT series AES Audio Transmitter Multiplexors provide an economical method of transmitting up to six AES audio signals (twelve mono), one RS-232/422 control signal, and Linear Time Code (LTC) or eight AES audio signals (sixteen mono) using a single wavelength on a fiber optic cable, with minimum latency. -
Page 6: Figure 1-1: 7705Ar Block Diagram
7700 MultiFrame Manual 7705AR Fiber Audio Receiver 6 AES Outputs Driver Reclocker Optical Optical DeMux RS-232 Input Receiver RS-422 1 RS-232/422 Output Driver Control Unit Driver LTC Output DB25 Receiver Signal Pushbutton Fault Present Monitoring Head Phone Jack Figure 1-1: 7705AR Block Diagram... -
Page 7: Figure 1-3: 7705Ar-8 Block Diagram
7700 MultiFrame Manual 7705AR Fiber Audio Receiver 8 AES Outputs Driver Reclocker Optical Optical DeMux Input Receiver Control Unit DB25 Signal Receiver Pushbutton Present Fault Monitoring Head Phone Jack Figure 1-3: 7705AR-8 Block Diagram 7705AR-3 Revision 1.4.2... -
Page 8: Installation
7700 MultiFrame Manual 7705AR Fiber Audio Receiver INSTALLATION The one slot 7705AR and 7705AR-8 versions come with a companion rear plate that has a 25 pin female D connector and one SC/PC (shown), ST/PC or FC/PC optical connector. The two slot 7705AR-2 version also has 6 BNC connectors for the audio. -
Page 9: Optical Connections
7700 MultiFrame Manual 7705AR Fiber Audio Receiver Table 2-1 shows the pin definitions for each version of the modules. DATA/LTC OUT: On the 7705AR-2 there is a 25 Pin D connector for connection of one RS-232/RS-422 data channel, and one differential time code channel. -
Page 10: Care And Handling Of Optical Fiber
The transmission characteristics of the fiber are dependent on the shape of the optical core and therefore care must be taken to prevent fiber damage due to heavy objects or abrupt fiber bending. Evertz recommends that you maintain a minimum bending radius of 5 cm to avoid fiber-bending loss that will decrease the maximum attainable distance of the fiber cable. -
Page 11: Specifications
7700 MultiFrame Manual 7705AR Fiber Audio Receiver SPECIFICATIONS 3.1. OPTICAL INPUT Connector: SC/PC, ST/PC or FC/PC female housing Input Optical Sensitivity: -27 dBm Maximum Input Power: 0 dBm Wavelength 1310 nm to 1610 nm 62 µm core / 125 µm overall Fiber Size: 3.2. -
Page 12: Electrical
7700 MultiFrame Manual 7705AR Fiber Audio Receiver 3.7. ELECTRICAL Voltage: + 12VDC Power: 6 Watts. EMI/RFI: Complies with FCC regulations for class A devices. Complies with EU EMC directive. 3.8. PHYSICAL 7700 frame mounting: Number of slots: 7705AR: 7705AR-2: 7705AR-8:... -
Page 13: Status Leds
7700 MultiFrame Manual 7705AR Fiber Audio Receiver STATUS LEDS 4.1. MODULE STATUS LEDS LOCAL FAULT (LD1): This Red LED will be On when there is insufficient optical input power or when there is a fault in the module power supply. When the FRAME STATUS jumper is set to the ON position the FRAME STATUS bus will also be asserted. -
Page 14: Jumpers And User Adjustments
7700 MultiFrame Manual 7705AR Fiber Audio Receiver JUMPERS AND USER ADJUSTMENTS FRAME STATUS LOCAL FAULT MODULE OK DATA ERROR LINK LEVEL SEL 4 CHANNEL SELECT MONITOR EVERTZ (A) 7705DT SFF POWER Figure 5-1: Jumper Locations 5.1. SELECTING WHETHER LOCAL FAULTS WILL BE MONITORED...
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