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7870 Interfacility Link
Installation and User’s Guide
© Copyright 2008
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This manual contains propriety and confidential information of Foxcom Reproduction, release to any third party, or any other unauthorized use, of any information contained herein is expressly forbidden. The information contained in this document is believed to be accurate as of the time of going to press. Specifications are subject to change without notice. Corporate Office Israel US Office South Africa Office Beck Science Center Princeton Forrestal Village Block 4, Kingfisher Office Park 22
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Table of Contents Important Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Chapter 1 Introduction to the 7870 Interfacility Link ..................................... 1 1.1 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1.2 Product Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1.3 Panel Descriptions. . . . . . . . . . . . . . . . . . . . . .
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Figures Figure 1 Option Label. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Figure 2 7870T Transmitter Front and Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 3 7870R Receiver Front and Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 4 7870Transmitter Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Important Information Important Information Warranty and Repair Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii General Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Specific Product Warranty Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Returns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv Limitations o
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Important Information Returns In the event that it is necessary to return any product against above warranty, the following procedure shall be followed: 1. Return authorization is to be received from Foxcom prior to returning any unit. Advise Foxcom of the model, serial number, and discrepancy. The unit may then be forwarded to Foxcom, transportation prepaid. Devices returned collect or without authorization may not be accepted. 2. Prior to repair, Foxcom will advise the customer of our tes
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Important Information Reporting Defects The units were inspected before shipment and found to be free of mechanical and electrical defects. Examine the units for any damage which may have been caused in transit. If damage is discovered, file a claim with the freight carrier immediately. Notify Foxcom as soon as possible. Note Keep all packing material until you have completed the inspection. Precautions Personal Safety OPTICAL RADIATION Applying power to the transmitter unit will create a
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Important Information page vi Document no. 93-005-35-C5
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1 Introduction to the 7870 Interfacility Link 1.1 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2 Product Drawings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Panel Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.4 Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 The 7870 IFL is a 10 – 200 MHz IF fi
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1.1 Options 1.1 Options The 7870 Interfacility Link comes with a variety of options: 1. 50 Ω Input/Output Impedance/BNC female connector; Standard impedance is 75 Ω/BNC, female connectors. 2. Standalone unit; The 7870 IFL can be installed as a standalone unit. If the 7870 is used as a standalone, a separate power supply must be used. 1 On the side of the 7870T and the 7870R units is a label which lists the options. Under each option is a square. If the unit includes a particular option the
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1.2 Product Drawings 1.2 Product Drawings Figure 2 7870T Transmitter Front and Rear Panel Figure 3 7870R Receiver Front and Rear Panel 7870 Interfacility Link Installation and User’s Guide page 3 Foxcom proprietary information
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1.3 Panel Descriptions 1.3 Panel Descriptions On the Front Panel of the 7870 IFL units are two LEDs. Both LEDs should be on when the unit is in use. T The LEDs on the Front Panel of the 7870 Transmitter and Receiver are: LED Name LED Function Laser Indicates if the laser is functioning RF Indicates RF signal level • Green: Input level is within 3 dB of specification (level is -2 to -28 dBm) • Amber: Input level exceeds maximum recommended level by 3 dB or more (level is >-2 dBm) • Off: Inpu
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1.4 Block Diagrams 1.4 Block Diagrams Figure 4 7870Transmitter Block Diagram Figure 5 7870R Receiver Block Diagram 7870 Interfacility Link Installation and User’s Guide page 5 Foxcom proprietary information
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1.4 Block Diagrams page 6 Document no. 93-005-35-C5
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2 Installation Chapter 2 describes how to install the 7870 Interfacility Link units. Setting up the 7870E Transmitter/Receiver consists of: 2.1 Setting up the Transmitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2 Connecting the Fiber Optic Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3 Setting Up the Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.4 Powering the IFL. . . . . . . . . . . . . . . . . . . . . . . . .
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2.1 Setting up the Transmitter 2.1 Setting up the Transmitter 1. Place the 7870T in the 7180M Chassis. 2. Apply AC power to the chassis. The Power Supply and Laser LEDs should be lit. 3. Using an optical power meter, measure the optical power. Insert the meter’s cable into the Transmitter’s optical connector. Power levels should be 0.5 mW minimum (-3 dBm). Alternatively, use a DVM to measure the voltage at: • 7180M Rackmount: Pins J13-P17 through J13-P24 for the slot being measured (See T
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2.2 Connecting the Fiber Optic Cable 2.2 Connecting the Fiber Optic Cable Before connecting the cable: 1. The fiber optic cable must be either fusion spliced or connected via FC/APC connectors. 2. Wipe the connector with a lint-free cotton cloth. 3. Note the polarity key of the optical connector before inserting. To connect the cable: 1. Line Up the Polarity Key. 2. Insert the connector 3. Tighten the connector Caution Do not apply any glue, silicon adhesive, or any other material to the fi
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2.3 Setting Up the Receiver 2.3 Setting Up the Receiver 1. Place the 7870R Receiver in any of the 7180M Chassis, unless a 2040 RF Switch is installed. (See Figure 7 7180M Chassis Rear View on page 12.) Note If a 2040 RF Switch(es) is being installed, then slots 2 and/or 5 of the 7180M are reserved for the switch(es). 2. Apply AC power to the chassis. The Power Supply’s LED should be lit. 3. Using an optical power meter, measure the optical power coming to the Receiver from the fiber optic
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2.4 Powering the IFL 2.4 Powering the IFL • Transmitter power requirement: +14 VDC @ 200 mA • Receiver power requirement: +14 VDC @ 250 mA. • The Standalone Transmitter/Receiver is powered by a Foxcom supplied external DC power supply. • The Rackmount Transmitters/Receivers are plugged into the rackmount chassis. The chassis can accept and power up to eight units. Note At temperatures below10°C, the Transmitter’s internal heater will require an additional 100 mA. The Transmitter’s total po
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2.4 Powering the IFL 2.4.1 7180M Chassis The 7180M Chassis provides power to the plug in units. The power supply is a switching type. Each plug-in regulates its own voltage. The power supply provides: • 14 VDC stable • AC input; 100 - 240 VAC • Units can be plugged in “hot standby” Figure 7 7180M Chassis Rear View 7870 Interfacility Link Installation and User’s Guide page 12 Foxcom proprietary information
