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Table of Contents
Summary of Contents for Lindsay Broadband LBON4000 ONU
- Page 1 LBON4000 ONU User Manual LBON4000 April 2013...
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Page 2: Table Of Contents
User Manual LBON4000 Table of Contents Section & Description Page Product Description……………………………………………..…1 Safety Notes….……………………………………………………..2 Block Diagram…………………………………………………….…..3 Specifications................4 RF Connector Installation............….5 Power Connector Installation............5 AC Power Director................6 General Set Up………………………………………………….…….6 Forward Path Set Up……………………….………………….…….7 10.0 Reverse Path Set Up……………..………………………….……..8 LBON4000 April 2013... -
Page 3: Product Description
User Manual LBON4000 2/4 Port Outdoor Optical Node with AGC The Lindsay Broadband Inc. LBON4000 is a hardened outdoor, high output, 2 or 4 output, optical fiber node capable of up to 52dBmv with 2 outputs and 48dBmv with 4 outputs at 1002MHz . -
Page 4: Safety Notes
User Manual LBON4000 2.0 SAFETY NOTES NO SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. • The LBON4000 employs an infrared laser device that emits invisible light, which can permanently damage the retina of an eye. • Avoid direct exposure to the laser light source. •... -
Page 5: Block Diagram
User Manual LBON4000 3.0 Block Diagram -20dB TP Optical RF Port 1 Receiver ATT3 -20dB TP Optical Rx RF Port 2 input RF Port 3 ATT4 -20dB TP RF Port 4 Optical Rx input LED TP -20dB TP Optical Tx ATT5 -20dB TP Optical... -
Page 6: Specifications
User Manual LBON4000 SPECIFICATIONS PARAMETER CONDITIONS UNIT FORWARD RECEIVER Optical Wavelength 1200 ~ 1600 λ=1550 Monitor Voltage V/mW Optical Input Power Optical AGC -6 to +1 Optical Input Return Loss Frequency Range (optional) (Note1) 1000 Flatness of Frequency Response f=54 to 1000MHz ±0.75 Output Return Loss Reference Output Level... -
Page 7: Rf Connector Installation
User Manual LBON4000 RF Connector Installation: 1. All RF connectors including the power port connector are standard KS-type connectors. Refer to Figure 3. Figure 3 1. Using a ½-inch wrench, remove port covers from RF ports and power port on the housing base. 2. -
Page 8: Ac Power Director
User Manual LBON4000 AC Power Director: 1. AC HFC power can be sent to remote locations via the output ports depending on the configuration of the power port jumpers. 2. Each RF output port has a plug-in AC Power Director/Jumper. 3. -
Page 9: Forward Path Set Up
User Manual LBON4000 Forward Path Set-up (Refer to Figure 7) 1. Verify that the received optical level indicated on the “Optical Rx LED “ strip is as expected. 2. The Optical node comes factory set with attenuators already in place. The attenuator used to establish the output tilt is factory set with a 9dB attenuator. -
Page 10: Reverse Path Set Up
User Manual LBON4000 Reverse Path Set-up: 1. Take an account of all the upstream services going into all 4 ports of the LBON4000. Refer to Figure 8 to Calculate the Total Return RF level. To help with this calculation, or to set the levels based on an equal power per Hertz basis, please visit www.lindsaybroadbandinc.com Resources Tab for a spreadsheet calculator. - Page 11 User Manual LBON4000 Reverse Path Set-up: 3. The LBON4000 comes factory set with 2db pads in Position AK1 and AK2. Do Not change value. Refer to Figure 9. 4. Return Path attenuators ATT1 and ATT2 are adjusted to match as close as possible the RF return input levels between Ports 1&2 and Ports 3&4, based on system knowledge of the incoming Return RF levels from each of the 4 ports.
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