User Manual
Contents
1. a 19 e NO7 Alarm In8 GND A e Nos Keyboard Figure 11 Contact closure signal connection 17 CODE DISTRIBUTOR The N3954 15 a code distributor designed for star connection where the code source is too far away from the video receiver and overload or reflection occurs 1200 1200 termination 1 terminatio 2 4 Receiver resistor resistor fiber 79 fiber fiber 7 1 2 4 Transmitter Figure 12 Code distributor diagram 18 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 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 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 0 8000 1 000 1 250 2 000 Lightning amp Surge Protection The product adopts multi level anti ligh2. 1 The data format can be Manchester Biphase RS422 or RS485 Refer to Table 1 for detailed DIP settings and pin definitions 2 Attach JP2 JP4 JP6 JP8 to connect a 120Q termination resistor whenever termination resistor is required 12 TYPICAL SYSTEM CONFIGURATION Four video channels with four RS232 N3756T N3756R Monitor 1 15 0 7 d fiber O o Monitor 4 Earthing OO Figure 7 Note Please refer to related panel description for detailed pin definitions 13 TYPICAL SYSTEM CONFIGURATION Four video channels with two DIP selectable data and two RS232 N3756T N3756R PUT OO Monitor1 555 s iber Monitor4 Earthing Y CH1 1 2 3 416 e sl 55u 6 2 9 ol 9 11 CH3 le 13 sl 16 17 e M 18 O 19 N 20 GND Figure 8 Note 1 Please refer to Table 1 for detailed data format settings and pin definitions for CH1 and CH4 2 Please refer to related panel description page for RS232 pin definitions
3. 14 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 1202 termination Receiver resistor m i i Transmitter m 2 2 fiber 0 fiber fiber Figure 9 Note There should be a 1200 termination resistor on the final receiver for restraining signal reflection Please pay attention to it 15 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 15 doubled Typical application connection N3756T N3951 N3756R 1 Monitor 4 Earthing Figure 10 Transmission repeater 16 CONTACT CLOSURE SI
4. 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 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 ZN WARNING TO REDUCE THE RISK OF FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS P
5. nfinova N3756 amp N3556 SERIES Digital User Manual Infinova Contents DE RN TOE INO DIC Er E 1 PRODUCT DESCRIPTION dete toe pa eet on ad 2 ORDERING INEORIVEAT ION MEE 3 3 POWEBRSUPPDY ae sana cic 5 PANEL DESCRIP TION ela e aa od odds 6 5750121256 N 5501 ar bier aaa isi a 6 N375617R 4B amp N3356 TRAB a 7 8 N3756 I R A4D IP amp 56 9 DIP SWITCHES AND JUMPERS SETTINGS 10 TYPICAL SYSTEM CONFIGURATION soe A vee sale aia LL G 12 Four video channels withfourDlPselectabledata 12 Pour video channels with Tour itte pta tette Us dala 13 Four video channels with two DIP selectabledataandtwoRS232 14 CHAIN m ieee soa KY Mu e Mc MM USE 15 TRANSMISSION REPEATER 16 CONTAC TCEOSURE SIGNA LD hc 17 CODE DISTRIBU TOR atam lim olma a am ailen oan im iyisi ola 18 CABLE DIAMETER CALCULATION AND LIGHTNING amp SURGE PROTECTIONI9 SERVICE NOTICE The installation of this product should be made by qualified personnel
6. 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 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 4Q below 10Q for high soil resistivity regions The cross sectional area of the earthing conductor should be no less than 25 Front device for surveillance system Mounting pole for front device Separated layout for the lightning rod and the standing pole 20 infinova V2 31
7. 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 fasten Full load of 3910 185 There are 18 slots on N3910 18S Besides N3910 18S there are N3910 2S N3910 3S N3910 4S N3910 6S 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 6S 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 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 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 8 amp 30mA N3921 24AC 1 for 110V N3921 24AC 2 for 230V power supply Plug the wires into the connector fasten the screws to make a firm connection N3921 power supply Connection Diagram Note When the series is powered together with other devices cameras and etc by a single 24VAC power supply please make sure that the related device h
8. GNAL The N3952 series is a contact closure signals collector This series can convert the input contact closure signals to one RS232 data and convert input RS232 data to 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 1s the data format Typical application connection N3952T UL N3756T Bayer Pwr PWR PR e OS N lonitor 1 PWR Fiber gt 9 op EN 8 B AZ O 2 Fr 2 CES Monitor 4 Earthing Earthing Earthing 15 O 3 2 abe Alarm Int s K s o 3 l 1 3 mu P s Earthing coma TN e No2 Alarm In3 4 ES e 2 ole 5 nos Alarm 114 e iz nae 7 Remote a Es e Pene Sensor ono je 3 Nos Panel 15 nl come Alarm In6 12 Alarm n7
9. RODUCT TO RAIN OR MOISTURE DO NOT LOOK INTO OPTICAL PORTS WITH POWER ON PRODUCT DESCRIPTION Description The N3756 and N3556 series provide high quality reliable transmission of four digitally encoded composite video channels with either four DIP selectable data 4D four factory default setting RS232 4B or two RS232 and two DIP selectable data 2D2B over one optical fiber The modules are compatible with PAL SECAM and NTSC video signal Data interface supports RS232 RS422 Manchester Biphase 2 wire RS485 and 4 wire RS485 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 Card unit Standalone module Card unit The N3756 series are compatible with 9 125 micron single mode fibers The N3556 series are compatible with 50 125 or 62 5 125 micron multimode fibers Camera end transmitter N3756T is compatible with monitor end receiver N3756R Camera end transmitter N3556T is compatible with monitor end receiver N3556R Related product optional N3910 000 19 1U fan assembly unit N3951 Fiber optical transmission repeater N3952 8 channel contact closure signals collector N3954 Control code distributor System Diagram Transmitter Receiver 4V 4xRS232 422 485 4xRS232 422 485 N3756T N3756R Ethern
10. as a full wave bridge rectifier circuit PANEL DESCRIPTION N3756T R 2D2B 8 N3556T R 2D2B The interface definition is the same with IP series Power on indicator red Optical link loss indicator red Video input output 75ohm 1Vp p Video present indicator green DIP selectable RS422 RS485 data interface CH 1 See table 1 for detailed DIP settings DIP selectable RS422 RS485 data interface CH 2 See table 1 for detailed DIP settings RS232 CH3 11 Out 12 GND 13 In 14 GND 15 GND RS232 CH4 9 Out 10 GND 11 In 12 GND 20 GND Figure 1 1 2 3 4 5 6 7 8 Optical port FC or ST Chassis GND Earthing for surge protection 20 pin terminal block connector Data active indicator green Data active indicator green Data active indicator green Data active indicator green Data receiving indicator green Data transmitting indicator green Data receiving indicator green Data transmitting indicator green PANEL DESCRIPTION N3756T R 4B amp N3556T R 4B The interface definition is the same with IP series PWR PWR Power on indicator red Cy Or o OP Optical link loss indicator red s O Optical port FC or ST Chassis GND Earthing for surge protection Video input output 75ohm 1Vp p CH1 20 pin terminal block connector Video present indica
11. et i Ethernet ORDERING INFORMATION Fiber Type Network Manage Product Type 2M Ethernet Function Enclosure 35 Multimode with management T Transmitter A 25km IP with Ethernet M standalone module 37 Singlemode Null vv o management R Receiver B 50km Null vv o Ethernet R Girl unit C 75km Data format 4B Four RS232 4D Four DIP selectable data 2D2B Two DIP selectable data and two RS232 Use the configuration chart below to select the options available for this product 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 15 within 15km the letter standing for distance shall be omitted e g N3756T R 4D IP 2 The product with IP model number indicates it has Ethernet function INSTALLATION Installation of video and data 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 four BNC terminated coaxial cables to input output the video signal Data input output uses a 20 position terminal block connector Installation of card unit Push the card unit along the guide rails not in spaces between the rails There is an Infinova logo on the front panel indicating the proper orientation Press hard
12. icator green 3 DIP selectable RS422 RS485 data interface CH 4 See table 1 for detailed pin definition O Figure 4 DIP SWITCHES AND JUMPERS SETTINGS Location of DIP switches For 2D2B sub series the DIP switches SW1 and SW2 are located on the board see figure 6 SVV1 1 SW1 2 set the data format for data channel SW1 3 and SW1 4 set the data format for CH2 data channel SW2 are factory default setting please leave them as they were For 4D sub series the two DIP switches SW1 and SW2 are located on the board see figure 6 SVV1 1 and SW1 2 set the data format for data channel SW1 3 and SW1 4 set the data format for CH2 data channel SVV2 1 and SVV2 2 set the data format for CH3 data channel SVV2 3 and SVV2 4 set the data format for CH4 data channel li TT P ER J O T A Figure 5 Location of on board DIP switch For 4B sub series the two DIP switches are factory default setting Please leave them as they were Setting line 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 900 to 1209 For 2D2B sub series there are 2 jumpers JP2 and JP4 on board for setting line termination for their related data channel Attach JP2 and JP4 to connect a 120Q termination f
13. or CH1 and CH2 data channel respectively Otherwise detach JP2 and JP4 to disconnect 120Q termination resistor For 4D sub series there are 4 jumpers JP2 JP4 JP6 and JP8 on board for setting line termination for their related data channel Attach JP2 JP4 JP6 and JP8 to connect a 1200 termination for CHI CH2 CH3 and CH4 data channel respectively Otherwise detach 1 2 JP4 JP6 and 1 8 to disconnect 1200 termination resistor For 4B sub series no line termination resistor setting 1s required 10 Setting data format Please refer to Table 1 for detailed switch settings and pin definitions for each channel When it is 4B sub series the DIP settings are the same with that of full duplex RS422 which is factory default setting Full duplex 4 wire RS485 RS422 Manchester Biphase Half duplex 2 wire RS485 two channels Simplex RS422 Manchester Biphase two channels Table 1 DIP SWITCH SETTING REFERENCE 11 TYPICAL SYSTEM CONFIGURATION Four video channels with four DIP selectable data N3756T N3756R Earthing Figure 6 Note
14. r green A DIP selectable RS422 485 data interface CH3 See table 1 for detailed pin definition 1 ol Data active indicator green BET Data active indicator green 10 11 N gt 13 i DIP selectable RS422 485 data interface CH4 See table 1 for detailed pin definition N O Figure 3 PANEL DESCRIPTION N3756T R 4D IP amp N3556T R 4D IP The interface definition is the same with IP series vu 2 Ww O Power on indicator red Optical port FC or ST OS Optical link loss indicator red S Chassis GND Earthing for surge protection Ethernet port Video input output 75ohm 1Vp p 20 pin terminal block connector Video present indicator green Data active indicator green DIP selectable RS422 RS485 data interface CH 1 See table 1 for detailed pin definition Data active indicator green Data active indicator green DIP selectable RS422 RS485 data interface CH2 See table 1 for detailed pin definition Data active indicator green ON O PWM Data active indicator green O N 69 Data active indicator green A DIP selectable RS422 RS485 data interface CH 3 See table 1 for detailed pin definition a Data active indicator green N O Data active ind
15. tning 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 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 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
16. tor green q H 1 2 Data receiving indicator green RS232 CH1 3 1 Out 4 Data transmitting indicator green 2 GND 3 In CH2 5 4 GND O d 6 5 RR Data receiving indicator green 7 RS232 CH2 8 Q 86 Out le Data transmitting indicator green 7 GND 8 In 10 CH3 ul e 10 GND O o Data receiving indicator green 12 13 Data transmitting indicator green RS232 CH3 14 11 Out 12 GND e 13 In T 161 14 GND im ata receiving indicator green 15 GND O Ja 1 S 18 e Data transmitting indicator green RS232 CH4 16 Out 20 17 GND 18 In 19 GND 20 GND Figure 2 PANEL DESCRIPTION N3756T R 4D amp N3556T R 4D 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 Data active indicator green DIP selectable RS422 485 data interface CH1 See table 1 for detailed pin definition Data active indicator green Data active indicator green DIP selectable RS422 485 data interface CH2 See table 1 for detailed pin definition Data active indicator green 2 3 4 5 6 7 8 9 Data active indicator green Data active indicato
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