User Manual
Contents
1. Video input output CH3 75 Ohm 1Vp p Video present indicator 3 green Video input output CH4 75 Ohm 1Vp p Video present indicator 4 green PWR O og CH5 CH6 Figure 3 N3746 amp N3546 series panel Optical port FC or ST Video input output CH5 75 Ohm 1Vp p Video present indicator 5 green Video input output CH6 75 Ohm 1Vp p Video present indicator 6 green N3748 amp N3548 PANEL Power on indicator red Optical link loss indicator red Video input output CH1 75 Ohm 1Vp p Video present indicator 1 green Video input output CH2 75 Ohm 1Vp p Video present indicator 2 9 Video input output CH3 75 Ohm 1Vp p Video present indicator 3 green Video input output CH4 75 Ohm 1Vp p Video present indicator 4 green Optical port FC or ST Video input output CH5 75 Ohm 1Vp p Video present indicator 5 green Video input output CH6 75 Ohm 1Vp p Video present indicator 6 green Video input output CH7 75 Ohm 1Vp p Video present indicator 7 green Video input output CH8 75 Ohm 1Vp p Video present indicator 8 green Figure 4 N3748 amp N3548 series panel TYPICAL SYSTEM CONNECTION fiber Super Dome 1 Super Dome2 Super Dome 3 om om Monitor 4 Super Dome 4 N37442. N3921 12D 1 for 120V N3921 12D 2 for 230V power supply Plug the wires into the connectors fasten the screws to make a firm connection see figure below Connection between stand alone module and power supply N3921 power supply Note When the series is powered together with other devices cameras and etc by a single 24VAC power source please make sure that the related device has a full wave bridge rectifier circuit N3742 amp N3542 PANEL Power on indicator red Optical link loss indicator red Optical port FC or ST Video input output CH1 Video present indicator 1 green SONET AN m Tvp p Video input output CH2 Video present indicator 2 green m Tvp p Figure 1 N3742 amp N3542 series panel N3744 amp N3544 PANEL Power on indicator red Optical link loss indicator red Optical port FC or ST Video input output CH1 75 Ohm 1Vp p Video present indicator 1 green Video present indicator 2 green Video input output CH2 75 Ohm 1Vp p Video present indicator 3 green Video input output CH3 75 Ohm 1Vp p Video input output CH4 Video present indicator 4 green 75 Ohm 1Vp p Figure 2 N3744 amp N3544 series panel N3746 amp N3546 PANEL Power on indicator red Optical link loss indicator red Video input output CH1 75 Ohm 1Vp p Video present indicator 1 green Video input output CH2 75 Ohm 1Vp p Video present indicator 2 green
3. rails not in spaces between the rails There is an Infinova logo on the front panel indicating the proper orientation Press hard to make good connection to motherboard loud snap indicates firm connection There are two captive screws on the front panel that can fasten the card unit to the sub rack They must be locked by hand in a clockwise manner do not over tighten fasten Full load of N3910 18S There are 18 slots on N3910 18S So it can mount 18 pieces of card unit Besides N3910 18S there are N3910 1S N3910 2S N3910 3S N3910 4S and N3910 15R optional There are 1 slot on N3910 1S 2 slots on N3910 2S 3 slots on N3910 3S 4 slots on N3910 4S and 15 slots on N3910 15R respectively WARNING A FULL LOAD OF N3910 15R AND N3910 18S SUBRACK REQUIRES FORCED AIR COOLING IN THE RACK TO AVOID OVER HEATING OF CARD UNITS WHENEVER POSSIBLE INSTALL IN EVERY OTHER SUBRACK INFINOV Forced air cooling POWER SUPPLY Power supply for card unit The unit is powered by a plug in power supply that is offered with the appropriate desk chassis or EIA 19 subrack Power supply for stand alone module The card unit can be converted into a stand alone module when installing into a 1 slot chassis N3910 1S for N3742 amp N3542series and N3744 amp N3544 series or 2 slot chassis N3910 2S for N3746 amp N3546series and N3748 amp N3548 series that is powered by a plug in 24VAC IA N3921 24A 1 for 120V N3921 24A 2 for 230V or 12VDC 1A
4. 0 8 5 30 9 47 14 20 36 60 7 5 28 8 44 13 13 34 70 6 4 26 7 42 12 06 32 80 5 4 25 7 39 11 00 30 90 4 4 237 37 11 95 28 200 4 4 22 6 35 10 90 27 11 Lightning amp Surge Protection The product adopts multi level anti lightning and anti surge technology integrated with gas discharge tube power resistor and TVS tube The powerful lightning and surge protection barrier effectively avoids product damage caused by various pulse signals with power below 4kV including instantaneous lightning surge and static However for complicated outdoor environment refer to instruction below for lightning and surge protection e The product features with dedicated earth wire which must be firmly grounded As for surveillance sites beyond the effective protection scope it s necessary to erect independent lightening rods to protect the security devices It s recommended to separate the lightning rod from the mounting pole placing the rod on an independent pole as shown in the figure below If the product has to be installed on the same pole or pedestal for lightning rod there should be strict insulation between the video cable BNC terminal power cable control cable and the standing pole of the lightning rod e For suburb and rural areas it s recommended to adopt direct burial for the transmission cables Overhead wiring is prohibited because it s more likely to encounter lightning strike Use shielded ca
5. Infinova N3740 amp N3540 SERIES Digital Multi channel Video Transmitter Receiver User Manual Infinova Contents SERVICE NOTICE rhet A dent et ie LIA NAR ee he PRODUCT DESCRIPTION SYSTEM DIAGRAM ORDERING INFORMATION INSFAELATION APENES 3 POWER SUPPLY ss ssen lia 5 N3742 amp N3542 PANEL sli iaia dial 6 N3744 amp N3544 PANEL sprer trem ee eet dede DERE 7 N3746 amp N3546 PANBEL a rad atti ere ertet ma cose t ep oer Ute 8 N3748 amp N3548 PANEL rig 9 TYPICAL SYSTEM CONNECTION ritiene t E ehe AE an Sent 10 CABLE DIAMETER CALCULATION AND LIGHTNING amp SURGE PROTECTION 11 SERVICE NOTICE The installation of this product should be made by qualified personnel Do not attempt to service this product yourself Refer all servicing to qualified personnel If you require information during installation of this product or if service seems necessary contact the local suppliers or Infinova at 1 732 355 9100 in 51 Stouts Lane Monmouth Junction NJ 08852 U S A You must obtain a Return Authorization Number and shipping instructions before returning any product for service Our obligation under this warranty is limited only to the repair or replacement of any of our products provided that products are used within the specified ratings and applications and that products are applied in accordance with good engineering practices and that products are proved by o
6. T N3744R Figure 5 Typical system connection Note For other series mentioned in this manual the transmission connection diagrams are similar with N3744 10 CABLE DIAMETER CALCULATION AND LIGHTNING amp SURGE PROTECTION Relation between 24VAC Cable Diameter and Transmission Distance In general the maximum allowable voltage loss rate is 1096 for AC powered devices The table below shows the relationship between transmission power and maximum transmission distance under a certain specified cable diameter on condition that the 24VAC voltage loss rate is below 10 According to the table if a device rated at 50W is installed 17 meter away from the transformer the minimum cable diameter shall be 0 8000mm A lower diameter value tends to cause voltage loss and even system instability Diameter mm pene tance US 0 8000 1 000 1 250 2 000 10 283 86 451 137 716 218 1811 551 20 141 42 225 68 358 109 905 275 30 94 Q8 150 45 238 72 603 183 40 70 21 112 34 179 54 452 137 50 56 17 90 27 143 43 362 110 60 47 14 75 Q2 119 36 301 91 70 40 12 64 19 102 31 258 78 80 35 10 56 17 89 27 226 68 90 31 9 50 15 79 24 201 61 00 28 8 45 13 71 21 81 55 10 25 7 41 12 65 19 64 49 20 23 7 371 59 17 50 45 30 21 6 34 10 55 16 39 42 40 20 6 32 9 51 15 29 39 5
7. bles or thread the cables through metal tubes for burial thus to ensure the electric connection to the metal tube In case it s difficult to thread the cable through the tube all the way it s acceptable to use tube threaded cables only at both ends of the transmission line yet the length in burial should be no less than 15 meters The cable sheath and the tube should be connected to the lightning proof grounding device e Additional high power lightning proof equipment and lightning rods should be installed for strong thunderstorm or high induced voltage areas such as high voltage substation e The lightning protection and grounding for outdoor devices and wires should be designed in line with the actual protection requirement national standards and industrial standards e The system should perform equipotential grounding by streaming shielding clamping and earthing The grounding device must meet anti interference and electric safety requirements There should be no short circuiting or hybrid junction between the device and the strong grid Make sure there s a reliable grounding system with grounding resistance below 40 below 100 for high soil resistivity regions The cross sectional area of the earthing conductor should be no less than 25mm Separated layout for the lightning rod and the standing pole 12 Infinova V2 4 1312
8. unit versions Stand alone module Card unit The N3740 series are compatible with 9 125 micron single mode fibers the N3540 series are compatible with 50 125 or 62 5 125 micron multimode fibers Camera end transmitter N3740T is compatible with monitor end receiver N3740R Camera end transmitter N3540T is compatible with monitor end receiver N3540R Accessories optional N3910 000 19 1U fan assembly unit System Diagram Transmitter Receiver fiber camera camera N3744T e 24 N3744R m 7 7 N3544T N3544R AV av ORDERING INFORMATION a TX m Li Type A 25km Fiber Type Video NO T Transmitter B 50km Enclosure 35 Multimode 2 Channel R Receiver 75km M Stand alone module 37 Single mode 4 Channel Network management NM R Card unit 6 Channel M With NM function 8 Channel Omit Without NM function Use the configuration chart below to select the options available for this product Note 1 The transmission distance category is only valid for single mode product 2 There are only TA and RA for multimode product and can transmit 2km INSTALLATION Installation of video interface To install the apparatus it is necessary to allow enough space to accommodate the bend radius of the optical cable connected to it The transceiver requires practical BNC terminated coaxial cables to input output the video signals Installation of card unit Push the card unit along the guide
9. ur examination to be defective This warranty does not extend to any Infinova products which have been subject to acts of accident misuse abuse neglect improper application or installation improper operation or maintenance connection to an improper voltage supply or to materials which have been altered or repaired outside an authorized Infinova factory repair center Information provided by Infinova is accurate and reliable However no responsibility is assumed by Infinova for its use nor for any infringements of other rights of third parties which may result from its use No license is granted by implications or otherwise under any patent or patent rights of Infinova A WARNING TO REDUCE THE RISK OF FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE DO NOT LOOK INTO OPTICAL PORTS WITH POWER ON PRODUCT DESCRIPTION Description The N3740 and N3540 series can provide high quality reliable transmission of multi channel digitally encoded composite video over one optical fiber including N3742 amp N3542 series for two channel video N3744 amp N3544 series for four channel video N3746 amp N3546 series for six channel video and 3748 amp N3548 series for eight channel video respectively The modules are compatible with PAL SECAM and NTSC video signal Plug and play design ensures ease of installation requiring no electrical or optical adjustments The modules are available in either stand alone or card
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