m-N3757-N3557-Manual(, 1.7 MB)
Contents
1. Chassis GND Ethernet port Earthing for surge protection Video input output 75ohm 1Vp p DIP selectable RS422 RS485 data interface CH 2 See table 1 for detailed DIP settings Data active indicator green Data active indicator green O O 1 Video present indicator green d H Q 2 3 4 5 6 7 8 9 20 pin terminal block connector RS232 data interface CH 1 11 1 Out 28 GND Data output indicator green 3 In 44 GND q B Data input indicator green 5 GND O 9 Figure 4 N3757T R 1D1B IP amp N3557T R 1D1B IP PANEL DESCRIPTION N3757T R 2D IP amp N3557T R 2D 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 75ohm 1Vp p Video present indicator green 1 2 3 4 5 6 7 8 9 20 pin terminal block connector DIP selectable RS422 RS485 data interface CH 1 See table 1 for detailed DIP settings Data active indicator green N w Data active indicator green T DIP selectable RS422 RS485 data interface CH 2 See table 1 for detailed DIP settings EIS Data active indicator green N z2. Data active indicator green 22 Figure 5 N3757T R 2D IP amp N3557T R 2D IP 10 PANEL DESCRIPTION N3757T R 2B IP amp N3557T R 2B IP Power on indicator red o Optical link loss indicator red O Optical port FC or ST Chassis GND Earthing for surge protection Ethernet port Video input output 75ohm 1Vp p Video present indicator green d H O d b 2 3 4 5 6 O 7 8 9 20 pin terminal block connector 10 RS232 data interface CH 1 41 114 Out indi 124 GND 12 Data output indicator green 134 In 13 s NB q p O fd p Data input indicator green 15 16 RS232 data interface CH 2 Jine 164 Out Data output indicator green 174 GND n ND O i Data input indicator green 20 GND Figure 6 N3757T R 2B IP amp N3557T R 2B IP 11 DIP SWITCH SETTINGS For 1D1B sub series the DIP switches SW2 are located on the board as shown in figure 7 SW2 3 and SW2 4 set the data format for CH2 D data channel SW2 1 and SW2 2 are factory default setting please leave them as they were For 2D sub series the one DIP switches SW2 are located on the board see figure 7 SW1 1 and SW 1 2 set the data format for data channel SW1 3 and SW1 4 set the data format for CH2 data channel For 2B sub serie
3. 16 Eight video channels with one RS232 one DIP selectable data and Ethernet signal 17 DAISY CHAIN nates e a S 18 SURGE PROTECTION E 19 TRANSMISSION REPEATER cuales ho 20 CONTACT CLOSURE A 21 CODE DISTRIBUTOR c 21 CABLE DIAMETER CALCULATION AND LIGHTNING amp SURGE PROTECTION 23 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 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 o
4. N3757 84 N3557 SERIES Digital Eight Video Channels with Two DIP Selectable Data and Ethernet Signal DISTRIBUTED BY SIU Always better www security merchants com 1300 663 904 User Manual Infinova Infinova Contents SERVICE NOTICE ete et ite Rute 1 PRODUCTDESCRIPTION came anata nee uM UE CU mn 2 ORDERING INFORMATION siecia tiae oae bei ted 3 EAS IN E 4 POWER SUPPLY ite De 5 DESCRIPTION 6 6 Su baeo T B EN ERB audes tutte tee de 8 N3 757 1 ReL DI BAP N3557T RSEDIBSID n eye irn a AS 9 N3TSTI RS2DSIP he N3557 DEEP 7 teio o ta bete debt ties 10 NITER BAP CONS SOF RAZ e ideo P ER ees 11 DIPSWITCH SETTING 12 TYXPICAL SYSTEM CONFIGURATION 14 Eight video channels with one RS232 and DIP selectable data 14 Eight video channels with two DIP selectable 15 Eight video channels with two RS232 dataserie
5. Videoln am M e O 4 Y 4 H 4 M e 3 N C7 x7 i RS232 Out 92320 gt GND 8 GND RS232 In cH 2 RS232 In S Of i GND 9 O GND N CD ac T y 7 N 7 e 9 8 e o N CH4 CH8 8 e 4 oe Figure 13 Lightning surge protection 19 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 N3757T N3951 N3757R PWR PWR PWR C Ul U BM on S E E CH1 CH5 i E CH1 CH5 arthin d d E arthin d d d 9 O 9 Video out Video In i Monitor CH2 CH6 xu i CH2 CH6 262 62 8 5232 Out i 5 OJ 2 O CH3 CH7 3 o lt RS232 In CH3 CH7 M O 4 OF O 4 H O 4 e a 3 Out om OJ Out Lad CH8 8 lt gt N 8 4 9 4 H Figure 14 Transmission repeate
6. 1 2 o 2 e o CH3 4 o 4 Fono 5 e Out ee a gt CH4 CH8 oem CH4 CHB oem E 5 In S in o ARAN Earthing com com2 NO2 coms Alarm Panel CODE DISTRIBUTOR The N3954 is 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 4 inati resistor resistor 2 fiber fiber fiber al Receiver fiber i Transmitter wy Figure 16 Code distributor diagram 22 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
7. Page 13 for detailed data format settings and pin definitions 2 Please refer to termination resistor Page 12 for detailed settings of termination 15 TYPICAL SYSTEM CONFIGURATION Eight video channels with two RS232 data N3757T N3757R Earthing o OOO WD wn Oz ak Figure 10 Eight video channels with two RS232 data Notes Please refer to relevant panel description 2B for RS232 pin definition of each channel 16 TYPICAL SYSTEM CONFIGURATION Eight video channels with one RS232 one DIP selectable data and Ethernet signal N3757R N3757T lI Earthing FUN 7 d d H O d H Q d On V Dome 8 4 a Figure 11 Eight video channels with one RS232 one DIP selectable data and Ethernet signal 17 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
8. model number indicates it has Ethernet function INSTALLATION Installation of video and data interface To install the apparatus it 15 necessary to allow enough space to accommodate the bend radius of the optical cable connected to it The transceiver requires as short as practical eight BNC terminated coaxial cables to input output the video signals Data input output uses an 8 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 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 N3910 18S so 6 N3757 N3557 card units can be inserted into N3910 18S Besides N3910 18S there are N3910 3S N3910 4S and N3910 15R optional There are3 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 ISS 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 p
9. 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 Receiver resistor Figure 12 Daisy chain diagram Note There should be a 1200 termination resistor on the final receiver for restraining signal reflection Please pay attention to it 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 is strongly recommended to protect your investment Typical application connection N3932 N3757T N3757R PWR PWR PWR PWR PWR PWR our A gt oP US O E A e pene erbe a 9 M SZ Earthing F IN B CH5 CH1 CHS NT Ge OR j j j Video Out SP 4x Earthing TUE Monitor x8
10. 04 V2 3 1307
11. 3757T is compatible with monitor end receiver N3757R Camera end transmitter N3557T is compatible with monitor end receiver N3557R Related product optional N3910 000X 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 Transmitter Receiver 8V 8V 5422 9548 RS422 RS48 RS232 N3757T N3757R RS232 Ethernet signal Ethernet signal 4 amp ORDERING INFORMATION Use the configuration chart below to select the options available for this product N3 5 MIA 1D1B IP M Ethernet Function Fiber Type Network Manage Product Type Distance Enclosure 35 Multimode M with management T Transmitter A 25km IP with Ethernet M standalone mod le 37 Singlemode Null w o management R Receiver 50km Null w o Ethernet p card unit C 75km Data format 2B Two HS232 2D Two DIP selectable data 1D1B One RS232 and one DIP selectable data Notes 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 N3757T R 1D1B IP 2 The product with 1
12. 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 23 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 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 cables or thread the cables through metal
13. ower supply that is provided with the appropriate desk chassis or 19 rack Power supply for standalone module The card unit can be converted into a standalone module when installing into a 3 slot chassis N3910 3S that is powered by a plug in 24VAC 1 5A N3921 24A 1 for 110V N3921 24A 2 for 220V 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 has a full wave bridge rectifier circuit PANEL DESCRIPTION N3757T R 1D1B amp N3557T R 1D1B 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 Video present indicator green 9 pin terminal block connector 5232 data interface CH 1 1 Out 2 GND 3 In 4 GND 5 GND Data output indicator green Data input indicator green DIP selectable RS422 RS485 data interface CH 2 See table 1 for detailed DIP settings Data active indicator green Data active indicator green 1 2 3 4 5 6 7 8 9 OO Figure 1 N3757T R 1DIB amp N3557T R 1D1B PANEL DESCRIPTION N3757T R 2D amp N3557T R 2D Power on indicator red Optical link loss indicato
14. presents the pin with MINIMUM number of each data channel pin 5 represents the pin with MAXIMUM number of each data channel For products without IP function users only need to refer to the definition of Pin 1 to Pin 4 2 In table 1 DIP 1 and DIP 2 represent the DIP with SMALLER number the DIP with LARGER number of the two configuring DIPs respectively 13 TYPICAL SYSTEM CONFIGURATION Eight video channels with one RS232 and one DIP selectable data N3757T N3757R Earthing OOO RON a o o Figure 8 Eight video channels with one RS232 and one DIP selectable data Notes 1 Please refer to relevant panel description for RS232 pin definition 2 Please refer to table 1 Page 12 for detailed DIP settings and pin definitions 14 TYPICAL SYSTEM CONFIGURATION Eight video channels with two DIP selectable data N3757T N3757R Fiber Earthing OOO oon Bo a OOO oor pwn a OS Q Figure 9 Eight video channels with two DIP selectable data Notes 1 The date selectable for each channel is RS422 Manchester Biphase or RS485 Please refer to Table 1
15. r 20 CONTACT CLOSURE SIGNAL The N3952 series is a contact closure signals collector This series can convert the 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 connection I 2 N3952T PWR 2 MINES Earthing lo Alarm Int 4 GND e 2 3 GND 4 aome 5 o GND Alarming T GND 8 enD 40 sensor 1 m GND 42 48 GND 44 15 e GND 16 o Video in x8 N3757T N3757R Oo 2 4 Earthing S Video out x8 N3952R OOOO 9000 OOOO lt Figure 15 Contact closure signal connection 21 1
16. r red Optical port FC or ST Chassis GND Earthing for surge protection 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 9 pin terminal block connector Data active indicator green Data active indicator green DIP selectable RS422 RS485 data interface CH 2 See table 1 for detailed DIP settings Data active indicator green Data active indicator green 1 2 3 4 5 6 7 8 9 OO Figure 2 N3757T R 2D amp N3557T R 2D PANEL DESCRIPTION N3757T R 2B amp N3557T R 2B 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 Video present indicator green 9 pin terminal block connector RS232 data interface CH 1 1 Out 2 GND 3 In 4 GND 5 GND Data output indicator green Data input indicator green RS232 data interface CH 2 6 Out 7 GND 8 In 9 GND Data output indicator green 1 2 3 4 5 6 7 8 9 Data input indicator green Figure 3 N3757T R 2B amp N3557T R 2B PANEL DESCRIPTION N3757T R 1D1B IP amp N3557T R 1D1B IP Power on indicator red U Optical link loss indicator red Optical port FC or ST
17. r 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 15 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 N3757 and N3557 series provide high quality reliable transmission of eight digitally encoded composite video channels with one RS232 and one DIP selectable data or two DIP selectable data and one Ethernet signal over one optical fiber The modules are compatible with PAL SECAM and NTSC video signal Data interface supports 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 module or card unit versions Standalone module Card unit Standalone module Card unit The N3757 series are compatible with 9 125 micron single mode fibers The N3557 series are compatible with 50 125 or 62 5 125 micron multimode fibers Camera end transmitter N
18. s the DIP switches are factory default setting Please leave them as they were Figure 7 Location of on board DIP switch 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 120Q For 1D1B sub series jumper JP8 is used to connect disconnect 120Q termination resistor Attach JP8 to connect a 120Q termination for CH2 they are identical on both transmitter and receiver for specified data format See table 1 below for more details For 2D sub series there are 2 jumpers JP6 JP8 on board for setting line termination for their related data channel Attach JP6 JP8 to connect a 120Q termination for CH1 CH2 data channel respectively Otherwise detach JP6 JP8 to disconnect 120Q termination resistor See figure 7 for the specific position of JP6 and JP8 12 Setting data format Please refer to Table 1 for detailed switch settings and pin definitions for each channel Full duplex RS485 RS422 Manchester Biphase Half duplex RS485 two channels Return RS422 Manchester Biphase two channels Table 1 DIP SWITCH SETTING REFERENCE Notes 1 In table 1 pin 1 re
19. 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 4Q below 10Q for high soil resistivity regions The cross sectional area of the earthing conductor should be no less than 252 Front device for surveillance system Mounting pole for front device Separated layout for the lightning rod and the standing pole 24 Infinova SMA Always better www security merchants com 1300 663 9
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