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2408LT Standalone L-Band Fiber Optic Transmitter

Revision 1.5

Figures

Figure 1-1: 2408LT Block Diagram...................................................................................................... 1

Figure 2-1: 2408LT Module ................................................................................................................. 2

Figure 2-2: 2408LT Mounting Hole Centers and Dimensions – mm [in] .............................................. 2

Figure 2-3: Reproduction of 2408LT Certification and Identification Label for Models

that are Class 1 Laser Products ........................................................................................ 4

Tables

Table 4-1: LED Trip Points for RF DRIVE LED for Each Gain Setting ................................................ 7

Table 5-1: Gain Adjustment Switch ..................................................................................................... 9

Table 5-2: LNB Mode Switch ............................................................................................................... 9

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Summary of Contents for 2408LT

Page 1: ... 335 7571 Revision 1 5 August 2009 The material contained in this manual consists of information that is the property of Evertz Microsystems and is intended solely for the use of purchasers of the 2400 series products Evertz Microsystems expressly prohibits the use of this manual for any purpose other than the operation of the Routers All rights reserved No part of this publication may be reproduc...

Page 2: ...This page left intentionally blank ...

Page 3: ...hird grounding prong The wide blade or the third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manu...

Page 4: ...or a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communi...

Page 5: ...ducts are for informational use only and are not warranties of future performance either expressed or implied The only warranty offered by Evertz in relation to this product is the Evertz standard limited warranty stated in the sales contract or order confirmation form Although every attempt has been made to accurately describe the features installation and operation of this product in this manual...

Page 6: ...er Revision 1 5 CAUTION If the LNB POWER LED is on or flashing there will be DC voltage for LNB power at the RF INPUT connector This can damage some test equipment The user can turn off the LNB power by switching LNB MODE switch to the OFF position ...

Page 7: ... 2 2 2 Assembly 4 2 2 3 Labeling 4 2 2 4 Handling and Connecting Fibers 4 3 2408LT SPECIFICATIONS 5 3 1 RF INPUT 5 3 2 MONITOR OUTPUT 5 3 3 OPTICAL OUTPUT 5 3 4 ELECTRICAL 5 3 5 PHYSICAL 6 3 6 SYSTEM PERFORMANCE WHEN COMBINED WITH A 7708LRA 6 4 STATUS INDICATORS 7 4 1 RF DRIVE INDICATOR 7 4 2 LNB POWER INDICATOR 8 4 3 DC INPUT INDICATOR 8 5 USER CONTROLS 9 5 1 GAIN ADJUST 9 5 2 LNB MODE 9 ...

Page 8: ...odule 2 Figure 2 2 2408LT Mounting Hole Centers and Dimensions mm in 2 Figure 2 3 Reproduction of 2408LT Certification and Identification Label for Models that are Class 1 Laser Products 4 Tables Table 4 1 LED Trip Points for RF DRIVE LED for Each Gain Setting 7 Table 5 1 Gain Adjustment Switch 9 Table 5 2 LNB Mode Switch 9 ...

Page 9: ...handles all video audio and data modulation formats RF input signal configuration status and other operating parameters are relayed over fiber for monitoring by an Evertz SmartMONTM capable fiber optic receiver With such a receiver this information can be monitored locally at the receiver s card edge or remotely through SNMP and VistaLINK See fiber optic receiver manual for details Automatic and m...

Page 10: ... the connectors facing down For units with the WP option exposed to the elements while not required to prevent water ingress into the unit good outdoor installation practice suggests the use of waterproof connectors boots and or protecting connectors with a wrap of Scotch 130C rubber tape followed by Scotch Super 88 vinyl tape or equivalent Figure 2 1 2408LT Module Figure 2 2 2408LT Mounting Hole ...

Page 11: ...power by switching LNB MODE switch to the OFF position MONITOR OUT Output F Type connector provides a buffered copy of the incoming RF signal for monitoring purposes signal peaking etc or coaxial distribution While unused it is recommended that this connector be terminated with a 75 Ohm load DC IN Input F Type connector for DC power supply Input power supply range is from 9 23 VDC Do not exceed 22...

Page 12: ...g 2408LTA13 or 2408LTxx xx 27 29 31 33 35 37 43 45 47 49 51 53 55 57 59 61 Figure 2 3 Reproduction of 2408LT Certification and Identification Label for Models that are Class 1 Laser Products 2 2 4 Handling and Connecting Fibers Never touch the end face of an optical fiber Always keep dust caps on optical fiber connectors when not connected and always remember to properly clean the optical end face...

Page 13: ...ctor F type Conductor Range 21 19 AWG 0 41 0 64 mm2 I O Impedance 75 Ω Return Loss 13dB Output Frequency Range 250MHz 2150MHz Flatness 1 0dB 250MHz 2250MHz 0 5dB any 36MHz BW Output Level within 2dB of input 3 3 OPTICAL OUTPUT Number of outputs 1 Connector Female FC APC Operating Wavelength Standard 1310nm CWDM 1270 1610nm Optical Power 1310nm FP 2 dBm 2 dBm CWDM DFB 2 dBm 2 dBm Fiber Size 9 µm co...

Page 14: ... x 61mm W x 31mm H Dust and Water Protection IP65 WP version only 3 6 SYSTEM PERFORMANCE WHEN COMBINED WITH A 7708LRA Frequency Range 250MHz 2150MHz Flatness 1 5dB 950MHz 2250MHz 0 25dB any 36MHz BW Output Signal Level Input signal TX gain 2 RX gain 2xOptical Loss 2dBm Inter modulation Products 55dBc RF input 20dBm TX RX gain to 2 0dB ...

Page 15: ...module gain is under driving the laser leading to non optimal signal to noise ratio In AGC mode this LED will be ORANGE when the incoming signal drops below the AGC hold range Table 4 1 provides a guide for the RF power levels that trip the LED indicators in each gain mode Trip points are as per the power measured by the 2408LT which is relayed via SmartMONTM data to the paired receiver This level...

Page 16: ...wer mode is set to 13 VDC In this mode the LNB is supplied with regulated 13VDC When the LNB PWR LED is blinking there will be a 22 kHz tone present in addition to LNB power If the LNB PWR LED is on or flashing there will be DC voltage for LNB power at the RF IN connector This can damage some test equipment The user can turn off the LNB power by switching the LNB MODE switch to the Off position 4 ...

Page 17: ...0 AGC 1 Manual Gain 2 dB 2 Manual Gain 4 dB 3 F Manual Gain 6 dB to 30 dB in 2dB steps Table 5 1 Gain Adjustment Switch If conducting frequency response sweeps both the 2408LT and the companion receiver should NOT be an AGC mode and should be set to a manual gain value 5 2 LNB MODE The 2408LT has the ability to inject 22 kHz tone and the DC voltage supplied by the connected power supply into the c...

Page 18: ...2408LT Standalone L Band Fiber Optic Transmitter Page 10 Revision 1 5 This page left intentionally blank ...

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