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1. N3752T N3752R PWR PWR WR Monitor S i oo AD e 4 ETO Fiber 4 l Earthing Earthing CH1 O se EIS Dome 1 3 e e sto e E O eo e e SE e e 2 e 0 e e o e lt e e 2 e e 4 4 Figure 13 Two video channels with two audio one DIP selectable data and two one way C C Notes 1 The contact closure for CH4 can be either forward or return 2 Please refer to table l page 14 and table 2 page 15 for audio setting amp pin definitions of CH1 and CH2 3 The date selectable for CH3 1s RS422 Manchester Biphase or RS485 Please refer to Table 4 Page 16 for detailed data format settings and pin definitions 4 Please refer to termination resistor page 17 for detailed settings of termination 21 TYPICAL SYSTEM CONFIGURATION Two video channels with two audio one DIP selectable data and one RS232 N3752T N3752R PWR PWR PWR x OO _ A 5 9 oF RO Fiber Earthing Earthing
2. Dome 2 scio a 4 4 Figure 14 Two video channels with two audio one DIP selectable data and one RS232 Notes 1 Please refer to table 1 14 and table 2 page 15 for audio setting amp pin definitions of CH1 and CH2 2 The date selectable for CH3 is RS422 Manchester Biphase or RS485 Please refer to Table 4 Page 16 for detailed data format settings and pin definitions 3 Please refer to table 3 page 15 for RS232 pin definitions of CH 4 4 Please refer to termination resistor page 17 for detailed settings of termination 22 TYPICAL SYSTEM CONFIGURATION Two video channels with one audio one DIP selectable data one RS232 and one two way C C N3752T N3752R PWR PWR PWR PWR s OO mil a oP 0 Fiber Monitor 2 Earthing Earthing
3. sse 19 Two video channels with two audio one DIP selectable data and one two way C C 20 Two video channels with two audio one DIP selectable data and two one way C C 21 Two video channels with two audio one DIP selectable data and one RS232 22 Two video channels with one audio DIP selectable data one RS232 and one Fc Wak aru M MM M KM MM A 23 Two video channels with one audio one DIP selectable data one RS232 and two Qucm CA B Gm A 24 Two video channels with two audio two DIP selectable data and one Ethernet signal 25 DAISY CHAIN 26 SURGE PROTECTION MM UAM E 27 TRANSMISSION RBPEADBE 28 CONTACICDOSURE SIGNAL e ies nel 29 CODE DISTRIBUTOR ient reet thiet tea 30 CABLE DIAMETER CALCULATION AND LIGHTNING amp SURGE PROTECTION 31 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 instr
4. QOS OS COCO ee Te Ce Cee JL J Figure 15 Two video channels with one audio DIP selectable data one RS232 and one two way C C Notes Please refer to table 1 14 and table 2 page 15 for audio setting amp pin definitions of CH1 Please refer to table 3 page 15 for RS232 pin definitions of CH 2 The date selectable for CH3 is RS422 Manchester Biphase or RS485 Please refer to Table 4 Page 16 for detailed data format settings and pin definitions Please refer to termination resistor page 17 for detailed settings of termination 23 TYPICAL SYSTEM CONFIGURATION Two video channels with one audio one DIP selectable data one RS232 and two one way C C N3752T N3752R PWR PWR PWR PWR EE Oo oF N o M eh m Fiber _ _ Monitor 2 Earthing Earthing 9828 Figure 16 Two video channels with one audio one DIP
5. The interface definition is the same with IP series Power on indicator red Optical link loss indicator red Optical port FC or ST Chassis GND Earthing for surge protection Video input output 75ohm 1Vp p 20 pin terminal block connector Video present indicator green Audio receiving indicator green Audio interface CH 1 See table 1 for detailed pin definition Audio transmitting indicator green Audio receiving indicator green Audio interface CH 2 See table 2 for detailed pin definition Audio transmitting indicator green 2 3 4 5 6 7 8 9 RS232 output indicator green RS232 input indicator green RS232 data interface CH 3 11 Out 12 GND 13 In 14 GND 15 GND RS232 output indicator green RS232 input indicator green RS232 data interface CH 4 16 Out 17 18 In 19 20 GND Figure 2 N3752T R 2A2B amp N3552T R 2A2B PANEL DESCRIPTION N3752T R 2A1D1E amp N3552T R 2A1D1E The interface definition is the same with IP series Power on indicator red Optical link loss indicator red Optical port FC or ST Chassis GND Earting for surge protection Video input output 75ohm 1Vp p 20 pin terminal block connector Video present indicator green Audio receiving indicator green Audio interface CH 1 See table 1 for detailed pin definition A
6. 15 for pin definitions for CH3 and CH4 RS232 TYPICAL SYSTEM CONFIGURATION Two video channels with two audio one DIP selectable data and one two way C C N3752T N3752R PWR PWR PWR PWR OO OO o f 7 oF Q z p2 Tel Fiber Earthing Earthing Earthing e eT e e 9 Camera 1 e e sis so a 7 e Cn e 10 e rum es o 11 11 e N 2 e 2 e 3 e 0 4 5 e ve e ve e 9 Out e 19 Out e e In In 0 e 2 4 Figure 12 Two video channels with two audio one DIP selectable data and one two way Notes 1 Please refer to table l page 14 and table 2 page 15 for audio setting amp pin definitions of CH1 and CH2 2 The date selectable for CH3 is RS422 Manchester Biphase or RS485 Please refer to Table 4 Page 16 for detailed data format settings and pin definitions 3 Please refer to termination resistor page 17 for detailed settings of termination 20 TYPICAL SYSTEM CONFIGURATION Two video channels with two audio one DIP selectable data and two one way C C
7. 75ohm 1Vp p 20 pin terminal block connector Video present indicator green Audio receiving indicator green Audio interface CH 1 See table 1 for detailed pin definition Audio transmitting indicator green Audio receiving indicator green 1 2 3 4 5 6 7 8 Audio interface CH 2 See table 2 for detailed pin definition Audio transmitting indicator green Data active indicator green DIP selectable RS422 Data active indicator green RS485 data interface CH 3 See table 4 for detailed pin definition Data active indicator green Data active indicator green DIP selectable RS422 RS485 data interface CH 4 See table 4 for detailed pin definition Figure 8 N3752T R 2A2D IP amp N3552T R 2A2D IP 13 DIP SWITCH AND JUMPERS Location of DIP switch and jumpers Figure 9 shows the detailed location and concise functions of DIP switch and jumpers G1 JP11 JP12 JP13 JP11 Setting balanced unbalanced audio input JP12 Setting audio input impedance JP13 Setting balanced unbalanced audio output G2 JP21 JP22 JP23 GP1 GP2 setting gain JP21 Setting balanced unbalanced audio input compensation of unbalanced JP22 Setting audio input impedance 1 8 f r ae is audio for CH1 CH2 respectively JP23 Setting balanced unbalanced audio output oS JP2 Setting 120 line termination for CH
8. Half duplex RS485 two channels Return RS422 Manchester Biphase two channels Table 4 DIP SWITCH SETTING REFERENCE Note 1 In table 4 pin 1 represents the pin with MINIMUM number of each data channel pin 5 represents the pin with MAXMUM number of each data channel 2 In table 4 DIP 1 and DIP 2 represents the DIP with SMALLER number and the DIP with LARGER number of the two configuring DIPs respectively Contact Closure Transmission Two way contact closure 2 ch forward contact closure 2 ch return contact closure Transmitter Receiver Transmitter Receiver Transmitter Receiver Alarm in JCH DONC Alarm in GND CH2 a aes Table 5 CONTACT CLOSURE PIN DEFINITION 16 Termination resistor A multipoint bus architecture requires termination at both ends of the bus line to restrain signal reflection The termination resistors must be within 20 percent of the characteristic impedance of the cable and can vary from 90Q to 1200 JP2 and 1 4 are jumpers for connecting disconnecting 1200 line termination for CH3 and CH4 when they are DIP selectable data Attach the jumper to connect 1200 termination resistor for their related data channel whenever termination resistor is required Otherwise detach the jumper TYPI
9. 3 i WA rm d LLL t nj ol 4 Laeti JP4 Setting 1200hm line termination for m Sw2 N SW2 18SW2 2 Setting CH3 data format Rumen 1 0 SW2 3 amp SW2 4 Setting data format Figure 9 Location of jumpers and switch Setting audio format See Table 1 for detailed audio format setting for Pinl Pin5 See Table 2 for detailed audio format setting for Pin6 Pin10 CH2 GP1 and GP2 are jumpers for gain compensation When CH1 CH2 is unbalanced audio attach GP1 GP2 to augment the gain Detach GP1 GP2 when CH1 CH2 is balanced audio 6000 balanced 6000 Unbalanced 10kQUnbalanced 47kQUnbalanced Table 1 AUDIO FORMAT SETTINGS REFERENCE FOR CHI 14 6000 balanced 6000 Unbalanced 10kQUnbalanced 47kQUnbalanced Table 2 AUDIO FORMAT SETTINGS REFERENCE FOR CH2 RS232 Pin Definition Transmitter Receiver Table 3 RS232 PIN DEFINITION Note In table 3 pin 1 represents the pin with MINIMUM number of each RS232 data channel pin 4 represents the pin with MAXIMUM number of each RS232 data channel Setting data format Please refer to table 4 for detailed data format settings and pin definitions Full duplex RS485 RS422 Manchester Biphase
10. 752T N3752R v o b PWR J Fiber 5 f Earthing A Figure 19 Lightning surge protection 27 TRANSMISSION REPEATER The N3951 series is used between transmitter and receiver to extend the transmission distance of fiber optical system It magnifies the optical signal received from transmitter and sends it to receiver By using a N3951 the transmission distance of the system 1s doubled Typical application connection N3752T N3951 N3752R WR PWR Fiber SN ffe Re ED RUE l j e or o L Fiber Earihing e Earthing CH1 010 pe 91 c 6p Hae cHe 5 o o cep e 91 Irog ic 10 4 eoeeeeo o E i e 2 Figure 20 Transmission repeater 28 CONTACT CLOSURE SIGNAL The N3952 series is a contact closure signals collector This series can convert the
11. 8 channel input contact closure signals to one RS232 RS422 RS485 data and convert input RS232 RS422 RS485 data to 8 channel contact closure signals It can transmit the contact closure signals over a long distance when connecting with fiber optical transmission system The number of contact closure channels is default setting so is the data format Typical application connection N3952T N3752T N3752R N3952R o Fiber Monitor2 Earthing Earthing Earthing In Alarm Int Alarm In2 Alarm In3 Alarm In4 ONOaA KON Alarm In5 Remote Sensor 9 ls zlelzlelzioliziolizioiz 18l81 81 8l9 819 819 819 8 amp S S S a S si 2 5 8 SIS a z 9 le 8 o Figure 21 Contact closure signal connection 29 CODE DISTRIBUTOR The N3954 is a code distributor designed for star connection where the code source 15 too far away from the video receiver and overload or reflection occurs termination resistor 1209 1209 termination 1 terminatio 2 4 Receiver resistor I resistor i resistor I fiber 2 fiber e fiber e mE TREAT oo m Transmitter wu wv Figure 22 Code distributor diagram 30 CABLE DIAMETER CALCULATION AND LIGHT
12. CAL SYSTEM CONFIGURATION Two video channels with two audio and two DIP selectable data N3752T N3752R PWR PWR Fiber Earthing Earthing R 090 00 FON oeeeeoeeetoeeeeoceee Figure 10 Two video channels with two audio and two DIP selectable data Notes 1 Please refer to table l page 14 and table 2 page 15 for audio setting amp pin definitions of CH1 and CH2 2 The date selectable for CH3 and 4 is RS422 Manchester Biphase or RS485 Please refer to Table 4 Page 16 for detailed data format settings and pin definitions 3 Please refer to termination resistor page 17 for detailed settings of termination TYPICAL SYSTEM CONFIGURATION Two video channels with two audio and two RS232 N3752T N3752R Earthing Figure 11 Two video channels with two audio and two RS232 Notes 1 Please refer to table l page 14 and table 2 page 15 for audio setting amp pin definitions of CH1 and CH2 2 Please refer to table 3 page
13. Infinova N3752 amp N3552 SERIES Digital Two Video Channels with Two Audio Two Data and Ethernet Signal User Manual Infinova Contents SERVICE LONG NS 1 PRODUCT DESCRIPTION ose tes ote e Osee dde 2 ORDERING INFORMATION n eate aire ae ee eti rd dope de ens 3 INSTALLATION n seh etico nii 4 POWER SUPPL Y ee meinen ren ate ee beet ca cedet D omae te Ud tact ed eee 5 DE SCR EP DEIN 5 ee isole teensy estos Le 6 N3752D R 2A42D amp NST RVA D ee oe seen Serene eee ne read eae da teretes 6 IN3452 T R 2 22B60ND352 TIRE AB acie reso te Eb Ert DEI etos cede ute r N3752T R 2ATDIBES amp N35521T R 2AIDTB sutor e e E 8 N9752T R 2ATD2C 8 N3552UR 2ATDOA2Q aii ise Seoul eese eli 9 N3752T R 2A1DIB amp N3552T R 2A1DIB essen nennen 10 N3752 D RSADBES amp N35521 RSADBE Eee eet tree et esit etta 11 N3752 I RSNDBZCASAN3532 T R ADDBA2 ua cpi nor tt n ota aia e elc m Rea ae 12 N2792 DU R 2A2D P amp N3552T R 2A 2DsIDB ors oes accused ede tete des dae e eese e es 13 ITP SS WAT CHAIN DUMB ERS tee e ette c repete tete e cele 14 TYPICAL SYSTEM CONFIGURATION a 18 Two video channels with two audio and two DIP selectable data 18 Two video channels with two audio and two RS232
14. NING amp SURGE PROTECTION Relation between 24VAC Cable Diameter and Transmission Distance In general the maximum allowable voltage loss rate is 10 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 1096 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 0 8000 1 000 1 250 2 000 Distance ft m meae asus meg 116s ura 22508 sdo 95075 9 9 0 31 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 including instantaneous lightning surge and static However for complicated outdoor environment refer to instruction below for lightning and surge protection 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 separa
15. R ADB2C The interface definition is the same with IP series Power on indicator red Optical link loss indicator red Optical port FC or ST Chassis GND Earthing for surge protection Video input output 75ohm 1Vp p 20 pin terminal block connector Video present indicator green Audio receiving indicator green Audio interface CH 1 See table 1 for detailed pin definition Audio transmitting indicator green RS232 output indicator green RS232 data interface CH 2 6 Out Tit GND 8 In 9 GND 10 GND RS232 input indicator green DAN Oo oc A W Data active indicator green N Co Data active indicator green DIP selectable RS422 RS485 data interface CH 3 See table 4 for detailed pin definition X Contact closure active indicator green N Contact closure active indicator green co Contact closure data interface CH 4 See table 5 for detailed pin definition 9 9 9 111 Figure 7 N3752T R ADB2C amp N3552T R ADB2C 12 PANEL DESCRIPTION N3752T R 2A2D IP amp N3552T R 2A2D IP Power on indicator red Optical link loss indicator red Optical port FC or ST Chassis GND Earthing for surge protection Ethernet port Video input output
16. able for this product N3752MTA 2A2D IP M Fiber Type Network Manage Product Type Distance Enclosure 35 Multimode with management T Transmitter A 25km IP with Ethernet A standalone module 37 Singlemode Null w o management R Receiver B 50km Null w o Ethemet card unit C 75km Data format 2A2D Two audio and two data 2A2B Two audio and two RS232 2A1D1E Two audio one data and one two way contact closure 2A1D2C Two audio one data and two one way contact closure 2A1D1B Two audio one data and one RS232 ADBE One audio one data one RS232 and one two way contact closure Note 1 The transmission distance category is valid for single mode product only For all multi mode products there are only TA and RA models and the transmission distance is 2km For single mode products if the transmission distance is within 15km the letter standing for distance shall be omitted e g N3752T R 2A2D IP The product with IP model number indicates it has Ethernet function INSTALLATION Installation of video and data audio 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 as short as practical two BNC terminated coaxial cables to input output the video signal Audio data input output uses a 20 pin terminal block connector Installation of card unit Push the card unit along the guide rails not in spaces b
17. ate selectable for CH3 and CH4 is RS422 Manchester Biphase or 5485 Please refer to Table 4 Page 16 for detailed data format settings and pin definitions 3 Please refer to termination resistor page 17 for detailed settings of termination 25 DAISY CHAIN We can use daisy chain connection to simplify the wiring and controlling of remote domes The control signal is connected to all of the receivers and transmitted to all of the transmitters through fiber optic respectively In the remote site the specified dome will act as the control signal instructs The number of video receiver daisy chained depends on the driving capability of code source System Diagram of Ug Figure 18 Daisy chain diagram Note There should be a 1200 termination resistor on the final receiver for restraining signal reflection Please pay attention to it 26 SURGE PROTECTION Surge protection circuits are implemented to protect Infinova s products against transient surge and over voltage Over voltage can be caused by AC power or lightning flash disturbances that are induced or conducted onto the data line It s important that good earthing or grounding be applied to ensure the proper function of surge protection circuit For reinforced protection N3932 are strongly recommended to protect your investment Typical application connection N3932 N3
18. ce CH 3 See table 4 for detailed pin definition S ZA Contact closure active indicator green N ook Contact closure active indicator green co Contact closure interface CH 4 See table 5 for detailed pin definition 9 O 111 9 9 9 Figure 4 N3752T R 2A1D2C amp N3552T R 2A1D2C PANEL DESCRIPTION N3752T R 2A1D1B amp N3552T R 2A1D1B The interface definition is the same with IP series Power on indicator red Optical link loss indicator red Optical port FC or ST Chassis GND Earthing for surge protection Video input output 75ohm 1Vp p 20 pin terminal block connector Video present indicator green Audio receiving indicator green Audio interface CH 1 See table 1 for detailed pin definition Audio transmitting indicator green Audio receiving indicator green Audio interface CH 2 See table 2 for detailed pin definition Audio transmitting indicator green MOAN Oi FW PD Data active indicator green O O 10 O O O O O O O O 12 13 DIP selectable RS422 id Data active indicator green RS485 data interface CH 3 See table 4 for detailed pin 15 definition 16 RS232 output indicator green 17 18 T RS232 input in
19. dicator green RS232 data interface CH 4 16 Out 0 17 18s In 19 GND 20 GND Figure 5 N3752T R 2A1D1B amp N3552T R 2A1D1B 10 PANEL DESCRIPTION N3752T R ADBE amp N3552T R ADBE The interface definition is the same with IP series Power on indicator red Optical link loss indicator red Optical port FC or ST Chassis GND Earthing for surge protection Video input output 750hm 1Vp p 20 pin terminal block connector Video present indicator green Audio receiving indicator green Audio interface CH 1 See table 1 for detailed pin definition Audio transmitting indicator green RS232 output indicator green RS232 data interface CH 2 6 Out 7 GND 8 In 9 GND 102 GND RS232 input indicator green O AN DO oc FW Data active indicator green N Co DIP selectable RS422 Data active indicator green RS485 data interface CH 3 See table 4 for detailed pin definition A ae 2 Contact closure active indicator green k N Contact closure active indicator green Contact closure data interface CH 4 See table 5 for detailed pin definition O O 10 O O O O 9 O O Figure 6 N3752T R ADBE amp N3552T R ADBE 11 PANEL DESCRIPTION N3752T R ADB2C amp N3552T
20. etween the rails There is an Infinova logo on the front panel indicating the proper orientation Press hard to make a 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 subrack They must be locked by hand in a clockwise manner do not over tighten see figure right below Full load of N3910 18S There are 18 slots on N3910 18S Besides N3910 18S there are N3910 2S N3910 3S N3910 4S N3910 6W and N3910 15R optional There are 2 slot on N3910 2S 3 slots on N3910 3S 4 slots on N3910 4S 6 slots on N3910 6W and 15 slots on N3910 15R respectively WARNING A FULL LOAD OF N3910 15R AND N3910 18S REQUIRES FORCED AIR COOLING IN THE RACK TO AVOID OVER HEATING OF CARD UNITS WHENEVER POSSIBLE INSTALL IN EVERY OTHER SUBRACK INFINOVA Monmouth Junction NJ USA Forced air cooling POWER SUPPLY Power supply for card unit The unit is powered by a plug in power supply that is provided with the appropriate desk chassis or EIA 19 rack Power supply for stand alone module The card unit can be converted into a standalone module when installing into a 2 slot chassis N3910 2S that is powered by a plug in 24VAC 830mA N3921 24A 1 for 110V N3921 24A 2 for 230V power supply Plug the wires into the connector fasten the screws to make a firm connection N3921 power supply Note When the series 15 powered together with other d
21. evices cameras and etc by a single 24VAC power supply please make sure that the related device has a full wave bridge rectifier circuit PANEL DESCRIPTION N3752T R 2A2D amp N3552T R 2A2D The interface definition is the same with IP series Power on indicator red Optical link loss indicator red Optical port FC or ST Chassis GND Earthing for surge protection Video input output 750hm 1Vp p 20 pin terminal block connector Video present indicator green Audio receiving indicator green Audio interface CH 1 See table 1 for detailed pin definition Audio transmitting indicator green Audio receiving indicator green Audio interface CH 2 See table 2 for detailed pin definition Audio transmitting indicator green ON O A C I L Data active indicator green N DIP selectable RS422 Data active indicator green RS485 data interface CH 3 See table 4 for detailed pin definition AB Ta A Data active indicator green N Data active indicator green DIP selectable RS422 RS485 data interface CH 4 See table 4 for detailed pin definition co 9 9 11 9 Figure 1 N3752T R 2A2D amp N3552T R 2A2D PANEL DESCRIPTION N3752T R 2A2B amp N3552T R 2A2B
22. ideo signal Audio interface supports 600Q balanced unbalanced 10kQ unbalanced and 47kQ unbalanced Data interface supports DIP selectable RS422 Manchester Biphase 2 wire RS485 and 4 wire RS485 The factory default setting is RS232 or contact closure Plug and play design ensures ease of installation requiring no electrical or optical adjustments Each transmitter or receiver incorporates status indicators for monitoring of proper system operation The modules are available in either standalone or card unit versions Standalone Standalone Standalone module Card unit module module with IP with IP The N3752 series are compatible with 9 125 micron single mode fibers The N3552 series are compatible with 50 125 or 62 5 125 micron multimode fibers Camera end transmitter N3752T is compatible with monitor end receiver N3752R Camera end transmitter N3552T is compatible with monitor end receiver N3552R Related product optional N3910 000 19 1U fan assembly unit N3932 Lightning surge protection card for one video channel and one data channel N3951 Fiber optical transmission repeater N3952 8 channel contact closure signals collector N3954 Control code distributor System Diagram 2V Transmitter Receiver 2V lt gt 2A 2A 4 amp b N3752T N3752R 4 2D 2D gt Ethernet signal Ethernet signal ORDERING INFORMATION Use the configuration chart below to select the options avail
23. selectable data one RS232 and two one way C C Notes Please refer to table 1 14 and table 2 page 15 for audio setting amp pin definitions of CH1 Please refer to table 3 page 15 for RS232 pin definitions of CH 2 The date selectable for CH3 is RS422 Manchester Biphase or RS485 Please refer to Table 4 Page 16 for detailed data format settings and pin definitions Please refer to termination resistor page 17 for detailed settings of termination 24 TYPICAL SYSTEM CONFIGURATION Two video channels with two audio two DIP selectable data and one Ethernet signal N3752T IP N3752R IP jc n sR a R b 1 Ay 7 MER Er du e Fiber Earthin Monitor 2 Earthing CH1 1 e 2 e 2 3 Torf s o E ele e eof EIS e e Sram e e 4 M CH3 e e 2 e o ero ero Figure 17 Two video channels with two audio two DIP selectable data and one Ethernet signal Notes 1 Please refer to table 1 14 and table 2 page 15 for audio setting amp pin definitions of CH1 and CH2 2 The d
24. te 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 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 cables 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 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 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 The system should perform equipotential grounding by streaming shielding clamping and earthing The grounding device must meet anti interference and elec
25. tric 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 4Q below 10Q for high soil resistivity regions The cross sectional area of the earthing conductor should be no less than 25mm Front device for surveillance system Mounting pole for front device Separated layout for the lightning rod and the standing pole 32 Infinova V2 31 0
26. uctions 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 our 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 IN 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 N3752 and N3552 series provide high quality reliable transmission of two digitally encoded composite video channels with multiple audio two data and Ethernet signal over one optical fiber The modules are compatible with PAL SECAM and NTSC EIA v
27. udio transmitting indicator green Audio receiving indicator green 1 2 3 4 5 6 7 8 Audio interface CH 2 See table 2 for detailed pin definition Audio transmitting indicator green Data active indicator green Data active indicator green DIP selectable RS422 RS485 data interface CH 3 See table 4 for detailed pin definition Contact closure active indicator green Contact closure active indicator green Contact closure interface CH 4 See table 5 for detailed pin definition Figure 3 N3752T R 2A1D1IE amp N3552T R 2AIDIE PANEL DESCRIPTION N3752T R 2A1D2C amp N3552T R 2A1D2C The interface definition is the same with IP series Power on indicator red Optical link loss indicator red Optical port FC or ST Chassis GND Earthing for surge protection Video input output 75ohm 1Vp p 20 pin terminal block connector Video present indicator green Audio receiving indicator green Audio interface CH 1 See table 1 for detailed pin definition Audio transmitting indicator green Audio receiving indicator green Audio interface CH 2 See table 2 for detailed pin definition Audio transmitting indicator green ON DW Oi A CO I Data active indicator green N Co DIP selectable RS422 Data active indicator green RS485 data interfa

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