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New Viper
Instruction Manual
Telecast Fiber Systems, Inc.
102 Grove Street
Worcester, MA 01605
Tel: 508-754-4858
Fax: 508-752-1520
www.telecast-fiber.com

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  • Page 1 New Viper ™ Instruction Manual Telecast Fiber Systems, Inc. 102 Grove Street Worcester, MA 01605 Tel: 508-754-4858 Fax: 508-752-1520 www.telecast-fiber.com...
  • Page 3: Table Of Contents

    Viper Telecast Viper Table of Contents Laser Safety ............................. ix Laser Radiation ........................ix FCC Part A Notice .......................... ix CE Warning............................. ix Introduction............................1 Applications..........................2 Unpacking............................2 Components ............................3 Portable Mussel Shell Chassis......................4 Rack Mount Chassis ........................4 Removing the Rack Mount Adapters..................4 I/O Function Modules........................4...
  • Page 4 Telecast Optical Fiber ..........................16 Transmission Fiber Ports ......................17 Military Connectors .......................17 Fiber Cable Runs........................18 Connecting a Fiber........................19 Function Modules ...........................20 TX/RX 103: Analog Video......................21 TX 103 Video Transmitter....................21 RX 103 Video Receiver ......................21 Return Video ........................22 TX/RX 259: Digital Video ......................23 TX 259 Transmitter.......................23...
  • Page 5 Viper Audio XLR Connectors ....................41 Module Slot Compatibility ....................41 Wavelength Division Multiplexing (WDM).................42 Multiplexing Audio Signals....................42 Transmitting Audio in One Direction: ................42 Transmitting Audio to Multiple Destinations ..............43 Splitting Auxiliary Signals....................43 Hardware Requirements ....................43 Submodule DIP Switch Configuration ................44 Accessory List..........................45 Repair...............................45 Operating Characteristics......................46 Warranty ............................50...
  • Page 6 Telecast 1 April 99...
  • Page 7: Laser Safety

    Do not enable the laser when there is no fiber attached to the fiber connection port. Do not attempt any type of service to this instrument other than so instructed in this manual. Refer servicing to Telecast Fiber Systems, Inc. FCC Part A Notice This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.
  • Page 8 Telecast 1 April 99...
  • Page 9: Introduction

    Modules are housed in two factory configured modular chassis units which contain the electronics and electro-optics modules. Viper models are housed in TelecastÕs portable Mussel shell chassis or mounted in a standard 19 inch rack.
  • Page 10: Applications

    Arenas and Stadiums Local events The Viper can be used in conjunction with other Telecast products. Figure 1 illustrates a typical portable application. In the figure, the Viper is combined with the Telecast Adder for a high capacity, single cable announce booth connected to an outdoor broadcasting (OB) van at the base location.
  • Page 11: Components

    ¥ Protective caps for optical connectors ¥ Hardware kits for rack mounting the unit (removable for table-top use) The following components are available from Telecast for use with the Viper system: ¥ I/O Function Modules (Table 3 on page 4 lists available plug-in modules.) ¥...
  • Page 12: Portable Mussel Shell Chassis

    The Viper supports a number of Telecast I/O function modules and plug-ins. Signal flow is manipulated by the placement and type of I/O modules installed. Table 3 lists the modules available. Detailed descriptions of each module begin on page 20.
  • Page 13: Auxiliary I/O Board

    Viper Table 4 provides a listing of Viper chassis and their compatible I/O function modules. Table 4. Function Module Compatibility Digital Analog Video Number Video TX/RX 259 Dual Audio Chassis TX/RX 103 TX/RX 292 A/B Channel Intercom Fibers* Comments VIM4 (2) 103 video connections (2) 280 1 channel;...
  • Page 14: Wdm Installation

    3 Refers to the longer wavelength of light For example, Telecast part number 0713-0001 is a 50 micron WDM for 1300 nm and 1550 nm signals. Leg 1 refers to 1300 nm, leg 2 refers to the combined light, and leg 3 refers to 1550 nm.
  • Page 15: Power Systems

    Viper ¥ Connect fiber (INPUT/OUTPUT) to the rear panel ¥ Connect fibers to the modules Adder Digital INPUT/OUTPUT TX 259 Video Adder Adder T 16 Audio Digital RX 259 Adder TX Channels Video High Single Fiber Up to 30 km Adder T 16 Audio Adder RX...
  • Page 16: Audible Alarm

    5 hours depending on charge status, number of channels installed, and number of channels in use. The battery attaches via an Anton-Bauer Snap-On battery adaptor (model ABAT-MUSLPLATE) which mounts on the cover of the chassis. The battery pack is also available from Telecast. Power Connections Table 6 defines the electrical power pinouts on the XLR Switchcraft D4M receptacle located on the rear of the rack mount units and on the front of the portable units.
  • Page 17: Input Power Fuse

    Viper 1. Verify that the front panel power switch is off. 2. Insert the 4-pin XLR connector from the Telecast power supply into the 12 to 24 VDC NPUT receptacle. OWER 3. Plug the supply into a 120 VAC line.
  • Page 18: Signal I/O

    Telecast Signal I/O Your Viper is configured with the modules and wavelengths appropriate to your purchase order. Figure 7 shows the rear panel of a Viper 442 with the intercom module installed: 4 video channels, 4 dual audio channels and optional intercom, high speed data and contact closures.
  • Page 19: Chassis Configuration

    Viper Chassis Configuration VIM4 The VIM4 is the small mussel shell, a 4-slot portable chassis which supports up to 4 fibers: 2 video cards, 2 dual audio cards and 1 auxiliary option. The VIM4 front panel shown in Figure 8 supports the following: ¥...
  • Page 20: Vim8

    Telecast VIM8 The VIM8 is the large mussel shell, an 8-slot portable chassis which supports up to 6 fibers: 4 video cards, 4 dual audio cards and 2 auxiliary options. Power connects to the front panel connection; the input power fuse connection is to the left of the DC Input.
  • Page 21 Viper The 442 is an 8-slot rack mounted chassis which supports up to 6 fibers: 4 video cards, 4 dual audio cards and 2 auxiliary options. Power connects to the rear panel DC input connection, above the fuse holder. The rack mount 442 and the portable VIM8 have the same internal configuration and main circuit board installed and have equal capabilities.
  • Page 22: V800D

    Telecast V800D The V800D is an 8-slot chassis which transmits and receives analog and/or digital video. It supports 8 fibers and 8 video cards. Standard operation has one V800D transmitting and a second V800D receiving. Power connects to the rear panel DC input connection, above the fuse holder.
  • Page 23: Signal Connections

    ¥ When you do not need audio, but need to transmit and receive up to 8 connections of analog or digital video, use the V800D. ¥ When you need audio and up to 8 analog or digital video connections, use the V800D and a Telecast Adder. Signal Connections Audio Audio I/O interface is via XLR connectors.
  • Page 24: Video

    Telecast TX INPUT (Female) RX OUTPUT (Male) Figure 16. XLR Connectors on a 442 Rear Panel Note: The 48 VDC phantom supply for microphone biasing is not available on any Viper model. Switches for gain and ground are set on the faceplates of the I/O modules. Refer to the I/O module discussions beginning on page 20 for specific information on setting up or adjusting audio signals.
  • Page 25: Transmission Fiber Ports

    Note: With pre-installed fiber cable, use patch cords to plug the chassis into the cable system. The fiber is wound onto a wooden reel or on TelecastÕs Portable Ox-Frame reel (see Figure 18 on page 18) depending on cable type and size.
  • Page 26: Fiber Cable Runs

    Pin assignments are configured to customer requirements at the time of purchase. In the absence of specific pinouts for your purchase, Telecast has wired the connector as shown in Table 8. Military connectors are mated by aligning pins 1 and 2 of the first connector to pins 3 and 4 of the second connector.
  • Page 27: Connecting A Fiber

    Viper Table 9. Distance Limits by Fiber Type Maximum Fiber Type Wavelength I/O Mode Distance N-Level 1 km 850 nm multimode P-Level 2 km 850 nm multimode L-Level 5 km 1300 nm multimode W-Level* 5 km 1500 nm multimode S-Level 20 km 1300 nm single mode...
  • Page 28: Function Modules

    Telecast Function Modules Audio and video are transmitted via I/O function modules which plug into the Viper chassis. Function modules are available in sets, with the TX module transmitting to a respective RX module in a second Viper unit. An exception is the TR 260 Transceiver module, which has the TX and RX I/O connections together on one module.
  • Page 29: Tx/Rx 103: Analog Video

    Viper TX/RX 103: Analog Video The Viper system transmits analog video via the TX/RX 103 analog video module set, which converts electrical video input signals into an optical format for transmission from the base location to a remote site over an optical fiber. Video input and output block diagrams are shown in Figures 19 and 21.
  • Page 30: Return Video

    Telecast 75 Ω Σ Line 10 MHz Limiter Detect Driver Filter Restore Video Sync Detector Indicator Figure 21. Analog Video Output Block Diagram LED on the left side of the RX 103 faceplate shown in Figure 22 illuminates green Sync when video sync is detected, red when an optical signal is present but sync is not present, and orange when neither an optical signal nor sync is present.
  • Page 31: Tx/Rx 259: Digital Video

    Viper TX/RX 259: Digital Video The TX/RX 259 video module detects the presence of serial digital video, equalizes the signal for type 8281 coaxial fiber lengths (320 meters minimum), and transmits the signal over fiber where the Viper RX reconverts the signal to an electrical CCIR 601 signal. Transmissions are sent at wavelengths of either 1300 nm or 1550 nm.
  • Page 32: Tx 259 Transmitter

    Telecast TX 259 Transmitter Figure 25 illustrates the TX 259 video module faceplate. The LED on the left side of the Input module faceplate illuminates green when video is detected. There are no other controls at the BNC input. Figure 25. TX 259 Digital Video Transmitter Module...
  • Page 33 Viper RX292 TX292 Up to 320m of 8281 Input Input Coax Optical Power/ 540Mb/s max. Data Equalizer Status Indicator Driver Indicator Serial Single Digital Direct/ Laser <20 Feet Mode Outputs EQ Switch Driver InGaAs of 8281 Amp/ Detector Limiter 19Mb/s- Optical Dual Coax...
  • Page 34: Tx 292 Transmitter

    Telecast TX 292 Transmitter Figure 29 illustrates the TX 292 video module faceplate. The Data LED on the left side of the module faceplate illuminates green when data is detected. The Input switch allows the user to select between a Direct input for less than twenty feet of 8281 at transmission rates from 19 Mb/s to 1.5 Gb/s and an Equalized input for up to 320 meters of 8281 at transmission rates of 540...
  • Page 35 Viper The 280 module operates as a base module multiplexer and includes fiber connections. The 380 module expands the audio capabilities and functions as a slave to the 280 module. The 380 has the same A/D and D/A converters as the 280, but it uses the 280Õs timing signal and passes its data through the 280Õs fiber.
  • Page 36 Telecast Figure 32. Configuration Options of 280/380 Modules in a 442 or VIM8 Figure 33 illustrates the signal flow of a TX/RX 280 module set with two TX/RX 380 modules attached. Note the auxiliary submodule boards mounted to the last TX/RX 380 module in the link.
  • Page 37: Tx 280 Transmitter

    Viper Possible configurations are listed in Table 11. Table 11. 280 Module Configurations Configuration Audio Capacity TX 280 → Fiber 2 Audio AUX → TX 280 → Fiber 2 Audio + Intercom AUX → TX 380 →TX 280 → Fiber 4 Audio + Intercom AUX →...
  • Page 38: Rx 280 Receiver

    Telecast Figure 35. TX 280 Audio Transmission Switch Settings RX 280 Receiver The RX 280 receiver module shown in Figure 36 provides a nominal line level output of +18 dBm peak, which can be manually increased or decreased for gain adjustments. Output is to a 30 Ω...
  • Page 39: Tx 380 Transmitter

    Viper Note: All audio RX outputs are actively balanced. DO NOT ground either output pin or severe distortion will result. For use in unbalanced applications, use pins 1 and 3. TX 380 Transmitter The TX 380 transmitter module shown in Figure 38 has similar characteristics and controls as the TX 280, except that gain is limited to 40 dB.
  • Page 40: Tx/Rx 380 Address Switches

    Telecast Figure 39. RX 380 Dual Digital Audio Receiver Module Front Panel TX/RX 380 Address Switches A DIP switch mounted on the auxiliary submodule daughter board configures each TX/RX 380 module set to a different numerical address to ensure that the transmitted signals output to the correct receiving module.
  • Page 41: The Auxiliary Option

    Viper The Auxiliary Option The TX/RX 280 and TX/RX 380 modules optionally provide up to two channels each of the following auxiliary signal functions: two channels of 4-wire or RTS wet or dry intercoms, two bidirectional data channels and two bidirectional relay closures. Both module sets are required to send and receive in both directions.
  • Page 42: Mounting The Auxiliary Submodule Board

    Telecast Mounting the Auxiliary Submodule Board 1. Carefully align and mount the submodule board with the threaded tabs below the faceplate of the 280 module. 2. Connect the 14-pin ribbon cable connector from the submodule board to the audio module.
  • Page 43 Viper New Viper DB-9 Data Configurations Function Select Switch DATA_CCU TALLY 422 DATA TALLY / REMOTE RELAY CONTACTS 422 Data 422 Data Relay Closure Output Intput Input Dry SPST N/O Contacts May be actuated by applting a logic 1 232 Data Output...
  • Page 44: Intercom Modules

    Telecast Intercom Modules One dual-channel intercom module can be installed into the Viper. Three types of intercom modules are available from Telecast: ¥ Two balanced 4-wires ¥ Two Clear-Com 2-wires ¥ RTS compatible dual-channel 2-wire The Intercom module is located on the side panel of the Viper mussel and in the rear of the Viper 442 chassis.
  • Page 45: Clear-Com

    TERM Figure 44. Intercom Panel: Clear-Com The Telecast Clear-Com interface is compatible with powered and unpowered belt packs as well as fixed equipment. You may power 5 to10 belt packs with each intercom module from theViperÕs internal power supply. Many more belt packs can be added if powered externally. Refer to your intercom manufacturerÕs documentation for additional system details.
  • Page 46: Rts/Telex

    Telecast RTS Telex RTS modules provide one two-channel intercom on a single 3-pin XLR connector. This Telecast module fully supports the RTS signaling protocol and signal levels. RTS operations are optimized by the use of front panel adjustments as shown in Figure 45 and listed below.
  • Page 47: Viper Operation

    Viper Cable Harnesses Two multi-conductor cable harnesses connect to the intercom module within the Viper. These cables connect the module to power and signal sources. The first has ten conductors and connects the data sub-assembly board to the intercom module. The second has three conductors and supplies power from the DC-DC converter mounted against the side panel of the Viper.
  • Page 48: Viper Field Reconfiguration

    Telecast Viper Breakdown 1. Turn power to the remote Viper off. 2. Disconnect the external battery from the portable chassis, if applicable. 3. Disconnect all fiber cables. 4. Turn power to the base station chassis off. 5. Disconnect all electrical cables.
  • Page 49: Audio

    Viper The direction of the video signal is now reversed. To verify the optical path from transmitter to receiver, shine a bright light, a flashlight, sun light or use a transmitter module at one end Ñ and visually sense the light or measure with a power light meter. In Viper models 442 and VIM8, slots 1 through 4 are reserved for video.
  • Page 50: Wavelength Division Multiplexing (Wdm)

    Telecast Battery Pack Slot 8 Audio Modules (Slots 5-8) Video Modules (Slots 1-4) Slot 1 Figure 46. 8-Slot Configuration Wavelength Division Multiplexing (WDM) Reconfiguring a system enhanced with WDMs is difficult; remain aware of the wavelength of each device and the direction of the light path.
  • Page 51: Transmitting Audio To Multiple Destinations

    Viper 1. Locate the first TX/RX 380 slave module in the first slot adjacent to the TX/RX 280 master and set DIP switch to the on position. 2. Locate the second TX/RX 380 slave module in the second slot adjacent to the TX/RX 280 master (adjacent to the first slave 380 module), and set DIP switch to the on position.
  • Page 52: Submodule Dip Switch Configuration

    Telecast 30-Pin Split Assembly RX 280 A (2x) Tally RX 280 B (2x) Data/CCU TX 280 A TX 280 B (2x) Intercom Auxiliary I/O Board Figure 47. Split Signal Hardware Requirements Submodule DIP Switch Configuration Configure the 12-position DIP switch located next to the header on the auxiliary submodule daughter boards as shown in Table 19.
  • Page 53: Accessory List

    ¥ Portable fiber reel Repair Call Telecast Fiber Systems, Inc. service department at 508-754-4858 for assistance when troubleshooting or reconfiguring the Viper system. To return a unit for repair, you must obtain a return material authorization (RMA) number from Telecast service.
  • Page 54: Operating Characteristics

    Telecast Operating Characteristics Optical Table 20. Electro-Optical Characteristics Operating Wavelength 850nm 1310nm 1550nm TX Output into Cable (dBm) LED (TX103, TX260, TX280) -14 to -10 Laser (TX280, TX103, TX259, TX 292) -6 to 0 -10 to 0 RX Sensitivity RX103 (dBm)
  • Page 55 Viper TX/RX259 Module Set for 270Mbps SDI Video Conforms to SMPTE-259M specifications TX/RX292 Module Set for up to 1.5 Gbps HDTV SDI Video Conforms to SMPTE-292M specifications Audio TX/RX280 & TX/RX380 Module Sets Digital Transmission 18-bit Sampling rate (samples/sec) Input Impedance (balanced) 5 k½...
  • Page 56 Telecast Mechanical/Electrical/Environmental Mussel Shell Viper 4-Module 8-Module Dimensions (HxWxD) 14.5Óx8.8Óx3Ó 14.5Óx14Óx3Ó Weight 6 lbs 10 lbs Power Consumption (per end/loaded) 10 watts 18 watts Number of Video Slots Number of Audio Slots Video Connectors Audio Connectors 3-pin XLR, M or F...
  • Page 57: Warranty

    Buyer's sole and exclusive remedy for breach of warranty shall be such refund, replacement or repair. A claim of defect in materials or workmanship in any Product shall be allowed only when it is submitted in writing to Telecast Fiber Systems, Inc., within seven days after discovery of the defect, and in any event within the Warranty Period.
  • Page 58 Telecast 1 April 99...

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