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cn Sophia990E minilab
Exposure system: LDD microlens exposure engine Printer size: from 89×127mm to 305×432mm Paper format: 127~305mm (5R~12R) ordinary color paper Resolution: 370dpi Operation system: Windows 2000 professional OR Windows XP Operation software: Persionalized, User-Friendly, powerfull functions for image editing , modification and cropping. Processing system: Super pentium 4 processor Remote printing: remote transferring via internet, printing automatically according the order, automatic paper format shifting. Morning setup: built-in densitometer measuring, automatically setting up. Troubleshooting: completely automatic troubleshooting and modifying. Light source: R.G..B LED. Monitor:17’’ CRT color monitor and 15’’ LCD monitor. Image source: digital camera and flash card ,U disk etc,scanner、CD、Disk 、ZIP、MO and internet. Paper advancing style: sigle and plural paper advancing ,cut into sheet and printing, paper cutting ahead of printing, double paper magazine、 automatic loading and rewinding paper. Print capacity: 800 prints (89×127mm)/Hr. 1500 prints (89×127mm)/Hr. Processing time: 4 minutes (dry to dry). Chemical tank capacity: CD—15L、BF—15L、 STB—45L (3 tanks). Replenishing tank capacity: CD—14L、 BF—14L、 STB—14L. Effluent tank capacity: CD—10L、 BF—10L、 STB—10L. Power supply: AC 220V±10%、 50HZ、 4.0KVA. Outline dimensions: see picture as below Fig 1-1, Fig 1-20 Weight: 550kg (W/O chemicals ) Maynora International Co., Ltd Email: minilabmachine@gmail.com,minilab2008@gmail.com MSN: sunnyphoto1983@msn.com Skype: chinacardreader Tel: 86 13457997972 Web: http://www.maynoraminilab.com
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cn lead-free reflow soldering
ETA E10 Lead free hot air reflow oven Heating System > Ten groups of top and bottom forced hot air convection heating zones. > Patented heating plates in each zone uniformly transfer heat to the PCBs using forced hot air convection. > Independent temperature control in each zone to ensure temperature uniformity within the process tunnel. > Power consumption savings of 1/3 as compared to other systems. > Patented motorized blower in each zone is designed to ensure stable air pressure, withstand high process temperature and is disturbance-free. > Audible and light tower alarm for temperature limits, PCB drop, PCB jam and blower malfunction. > Fast start-up (within 20 minutes) from room temperature to work temperature due to the high efficiency of the motorized heating plates. Cooling System > Two (2) groups of forced air convection cooling zones. Distortion-free Conveyor System with Automated Chain Lubrication > Combined pin chain rail and mesh belt conveyor system (Note: Mesh belt is not available on machines with center board support.) > Closed-loop computer control of the conveyor provides a precise and repeatable reflow process. > Automated chain lubrication system with a computer controlled central reservoir. Lubricant is added directly to the conveyor brush eliminating operator interface for this maintenance. Fresh Air Recharge System > Fresh air is supplied to each zone uniformly to provide a rapid process transfer. Flux Management System > Air amplifier forces supercharged flux collection and recirculation. > Flux exhaust chimney with drawer shaped filter net is easy to access for maintenance. Control System > PC control system with windows based control software. Additional Features > Integrated UPS will be automatically activated in case of main power failure and will keep control PC and conveyor running for minimum 8 minutes to send out PCBs inside the oven tunnel. > Motorized hood lift allows easy access to the inside of the oven for service and maintenance. > Five (5) profiling ports and integrated profiling software are designed for convenient temperature profiling. > Swing arm control PC station > Four (4) emergency stop switches > Two (2) exhaust ports > SMEMA interface > System documentation Specifications : E10(10-Zone) General Outside Dimension(L*W*H) : 6100x1350x1490mm Standard Color : Computer Grey Weight : Approx.2350KG Number Of Heating Zones : Up10/Bottom10 Length Of Heating Zones : 3200mm Exhaust Volume : 10M3/minx2(通) Exhausts Standard Feature Of Control System Electric Supply Required : 3phase,380V 50/60Hz Power For Warm : Up35KW Power Consumption : 12KW Warming Time : Approx.20 minute Temp. Setting Range : Room Temp. --- 300℃ Temperature Control Method : PID Close Loop Control + SSR Driving Temperature Control Precision : ± 1.0℃ Temperature Deviation on PCB : ± 1.5℃ (by MR Board Test Standard) Heating Element : Especial Heating elements For Long Life ; Commutated Element : Aluminium Alloy Plate Max. Temp. Gap Between Preheat & Reflow Setting : 80℃ Max. Temp. Gap Between Preheat Zones Setting : 40℃ Max. Temp. Gap Between Reflow Zones Setting : 50℃ Data Storage : Process Data and Status Storage Abnormal Alarm : Abnormal Temperature (Extra-high / Extra-low Temp.) Board Dropped Alarm : Tower Light: Yellow–Warming; Green-Normal; Red-Abnormal Features Of Conveyor System Rail Number : 1 Lane Max.Width Of PCB : 320mm (Option:610mm ) Components Clearance : Top/ Bottom Clearance of PCB is 25mm Converyor Direction : L→R (Option: R→L) Fixed Rail Side : Front Rail Fixed(Option:Rear Rail Fixed) Transmission Agent : Air-Reflow = Chain + Mesh , N2-Reflow=Chain(Mesh is option) Center Support (Option) : Preventing PCB warp such too wide and heavy component load Converyor Height : 900+/-20mm Converyor Speed Range : 300~2000mm/min Lubrication Auto-Afflux : Standard Temp. Thermocouple Slot : Standard Driven Top Hood Opening : Standard On Line Editing : Standard Cooling Method : Forced-Air (Standard), Water-Chiller (Option) Model for Nitrogen Process Power For Warm : Up40KW Power Consumption : 15KW Flux Management System : Flux Reclaimed and Filtration standard for N2Oven, easy clean-up. N2 containment at Entry and Exit End : Standard Flux Reclaim System : Standard Nitrogen Flow Meter : Standard Oxygen Analyser : Option Nitrogen Consumption [Standard] : 400~1000PPM 20M3/H Water Chiller : 3 HP ; External Stand-alone Type ; Powerful Cooling suit to Lead-Free Process Required Skype:chinasmai,www.etasmt.com ETA Electronic equipment CO.,LTD. to provide professional SMT automatic production line solution,The company specializes in SMT chip mounter(New samsung:SM421,SM411,SM100 etc)(second-hand: CP40L; CP40LV; CP45F; CP45FV; CP45FVneo); YAMAHA SMT machine (YAMAHA Chip shooter); JUKI chip mounter ,SIEMENS SMT machine ,PANASONIC SMT Chip mounter, FUJI second-hand SMT machine.We are also sell printing machine,Point glue machine, Reflow soldering,Wave soldering,Automatic plug-in machines,SAMSUNG SMT machine feida ,Accessories ,stencil printer,Reflow oven,flow welding,Panasert,AOI,X-ray,LED automatic die bonder etc,For communication products manufacturers,LED display, lighting manufacturers; SMT, AI materials processing, and other enterprises provide the required equipment or wiring scheme. Main new SAMSUNG chip mounter:SM421S,SM421,SM411,SM431,SLM100,SLM120,SM471,SM481 etc. YAMAHA SMT machine:YS12,YS24,YS100,YG12,YG100RA,YV100X. SIEMENS SMT shooter:D4,D2,D1,S20 25 27 50 60 ,F3,F4,F5 PANASONIC SMT equipment:CM402,CM602,NPM. JUKI Chip shooter:KE2070,KE2080,KE2060,KE2050. FUJI SMT mounter:CP6,CP642,CP643,CP742,CP842,XP241,QP341,QP242,IP3,IP2. SANYO Automatic Mounter:TCM3000Z,TCM-X200. I PULSE FV5530,7100.M1,M2,M3,M4 MIRAE MPS1010,MX100,MX200 NEW automatic plug-in machines, horizontal plug, Vertical plug,Bulk LED plug,Reflow oven, wave soldering, domestic, import have lead, lead-free reflow soldering; Wave soldering, Other SMT related equipment:: AOI; X - ray testing equipment t; Semi-automatic and fully automatic printing machine.
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ca GSM Wireless Remote Gate opener RTU5015
GSM Wireless Remote Gate opener: 1.Remote gate opener for door 2.Automatic Door GSM gate opener 3.GSM network free Gate Opener The GSM Gate Opener RTU5015 is a very simple device which can be used for authorized door access, controlling gates, switching of remote equipments, car parking systems. Actually the GSM Gate Opener RTU5015 can beused in places which require to turn ON/OFF your system, machines, equipments remotely with a FREE call from your mobile phone. Just dial from Authorized User number then the Barrier and doors are opened, or the machine are turn on or off by the GSM Gate Opener. There are no call costs, the GSM Gate Opener rejects the call from authorized number then carrys out the turn ON/OFF action. What Applications suitable for? 1.Home and garage owners 2.Business companies 3.Hotels 4.Warehouses 5.Parking places 6.Hospitals 7.Other place need remote switching applications 8.Simple Security Alarm Systems applications Standard Package list: GSM Wireless Remote Gate opener,GSM Antenna * 1,AC to DC Adaptor *1 (12VDC/1A) User Manual *1 sky:homealarmsystem Linda Yik
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cn LCD temperature display , fast heating up, Hair curler
Specificatioins: •Voltage:110-240V,50/60Hz •Power:45W •Certiciate:CE/RoHS Features: •Neon LCD temperature display for clear reading even in poor-lighted place •Adjustable digital temperature control from 80 - 190 degrees •Digital timer function with automatic cut-off •Fast and safe heater guarantees fast heating up time and heat recovery •Ceramic and tourmaline coated tong brings you a ultimate silky hair finishes •Much safer with th tripod •On/off switch •Various barrel sizes available: 0.75"(19mm), 1"(25mm), 1.25"(32mm) ,1.5"(38mm) •Sleek, elegant and lightweight design featuring the latest in soft-touch button technology •Professional 3 meter 360°tangle-free swivel cord Packing: •Carton size: 54x42x28cm •Q'ty/ctn: 12PCS •G. W:10Kg •20'ft: 12,480PCS •40'gt: 24960PCS
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plastic sheet production line machinery
This machine have advantages of tight ,machine structure good specify and the screw and barral all made in nitride alloy steel, could make the material plasticizer equal and have high output and long usage. The screw is designed of special mixing function and high plasticization capacity. The special designed T-type mould ensures a precise control to the thickness of the board. The accurate temperature control (±1℃) can precisely control the plasticization process, thickness and smoothness of board. The three-roller calendar adopts horizontal, vertical or 45°tilt type installation, with up-down lifting mode. The thickness of board is controlled by screw and pressing roller in two directions. The separate roller temperature control system can precisely control the pressing roller temperature to ensure a even thickness. Cutting machine can cut the sheet with accurate length and quantity. The winding device uses big torque motor, can freely regulate the winding speed and tension. The automatic meter countering device can pre-set the length of the product.
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cn WYX series drink mixer
WYH series beverage mixer has the reasonable structure, high precision mix, plenty CO2 mix, also has the excellence of two times cooling and twice carbonation. Mainly applies to all carbonated beverages mixed processing, and can also be used for other beverages. It is the main equipment in complete equipments of carbonated beverage manufacturing. Characteristics: Top quality material and excellent manufacturing: All parts contacting with the beverage are all made of top quality stainless steel and internal and external surfaces are polished, in additional to these, the machine meets the regulation of foodstuff. Automatic operation and stable function: Automatically high: with micro-machine controlling and it will auto-alarm and stop when failures happen. Convenient operation and easy adjusting: This machine is only operated by start-up buttons according to regulated procedure that is normal operation; otherwise, it can adjust the capability and the ratio of water to sugar conveniently without changing the components. Average mixing and correct ratio: Due to adopt advanced process of once mixing, it is mixed regularly; and the well controlled flowing meter can trim water and syrup mixing ration, in which the mixing precision error will be less than 2%. Deoxidization carbonization and high carbon content: This machine adopts vacuumed deoxidization, and so the deoxidization ratio is high; in addition, products with high carbon content which is 4.0 usually because of twice cooling and carbonization. Clean structure and easily rinsing: Structure sanitation: the machine adopts close system made of stainless steel, it has the ability to satisfy in situ washing device to wash devices and pipes with thimerosal and hot water so that the beverages will reach the hygiene requirements.
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cn 1.8m Epson DX5 Printer
1.8m MT-Starjet Epson DX5 Printer Over 10 years experience in printing technology The 5th Generation of Micro Piezo Technology Economy, Stability, Comprehensiveness 1. Micro Piezo Printing Technoligy The latest Epson 5th generation Micro Piezo printhead can reach resolution of 1440 dpi. Its extremely fine ink droplets are able to fully reflect the rich detail of the picture, and to fulfill the requirement of one meter viewing range. Suitable for both water based dye and eco-solvent pigment inks. And it can offer one to two years service life. 2. Variable Ink Droplets Technology The variable ink droplets technology can project micron grade ink drops of various sizes. Ink drops between 1.5pl to 21pl. to produce best color results, smooth gradients, and fine details. 3. Progressive Pass Compensation Technology Progressive pass compensation technology is to remove the grinning of white ground or edge overlap (banding ling), which is usually by mechanical inaccuracy and further improve the yield and save the cost. 4. Stochastic Ink-droplet Distribution With the technique, some problems caused by nozzle clog, like white strips. Even with 15% clogged, Starjet series printers can still ensure the printing quality. 5. Multi-Head Arrangement Technology Dual head can double the printing speed. In quad head model, CMYK heads can be replaced separately. This can lower the maintenance cost. User can choose among single head mode, multi-head quality mode and multi-head performance mode to meet all needs. 6. Brand-new mechanical structure It includes a linear guide drive structure, XY axis grating positioning system, multi-channel ink supply system, heating system on both front and rear platform, media absorption system, and automatic printer head service station. Besides, it also has a paper handling system that can bear loads up to 70kg and a frying system composed of eight fans. The machine weighs 220kg in total and 90%of its components are very durable. 7. USB 2.0 bundled with RIP USD 2.0 interfaces supports high speed data transmission and collaborative operation. It greatly enhances the printing performance. Ipint 3 fully complies with ICC color management standard. And it supports automatic image tiling and composition, liner color adjustment and inking management and etc. with the optional PS component, it is also able to process Adobe Postscript files. 8. Wide range of media compatibility The height of the print head is adjustable between 2-5mm, up to 1.9m media in width. Our printers are featuring ink compatibility with ECO solvent based or water based ink, also pigment or dye ink, as well as sublimation ink. Various of media printing ability including, Self-adhesive paper, PVC, Mesh fabric, Textile, PVC flex banner, Adhesive Vinyl, Photo paper, PP, Back light film, Canvas, Non-woven fabric, Chemical fabric, PU leather, Micro fibre, Leather and etc. 9. Easy to maintain & Easy to use Starjet series printers design to meet the high standard of user friendly and operation stability in the industry. It is operability, reliability and durability can compete with any other famous-brand printers in the market. 10. High performance-cost ratio Starjet series printers have world leading performance and almost half the market price to other competitors. Furthermore, the printers are able to cover 1.8 meter printing width, and the components we chose are reliable and long lasting. They are designed to satisfy customers with large yield. Introduction of products: MT-Starjet series large format printers with high resolution use the 5th Generation of Micro Piezo Technology based printer heads. They provide the output with dual CMYK colors, 1.8M printing width, and support Eco solvent based or water based ink, also pigment or dye ink, as well as sublimation ink. They are suitable for the fields of indoor/outdoor advertising, labels and signs, textile printing, decoration, gifts, wedding photos, and so on. MT-Starjet 5 The real leader of large format printer with high-resolution. Perfect combination of quality and performance. 1. Using two of Epson 5th Generation of Micro Piezo printhead, 2880 Print nozzles in total, Arranging in cross. 2. Parallelization technology of multiple printheads. Each print pass covers 2 inches area. 3. Standard mode 22.5m2/h, Draft mode 50m2/h, Twice as faster as competition printers. 4. Technology of Micro Piezo Printing, Variable ink droplets, Progressive Pass Compensation, Stochastic Ink-droplet Distribution. Bundles with RIP, Brand-new mechanical structure, Wide range of media compatibility, High performance to cost ratio. 5. The efficiency of the Starjet 5 printers is twice as that of the competition printers. Starjet 5 printers are very suitable for customers who need to make their volume-printings in short time. Not only reducing the investment of printer, but also lowering the cost of maintenance. Well received by professional users. MT-Starjet 5.0 High printing precision, high stability with competitive price 1. Using one of Epson 5th Generation of Micro Piezo printhead to supply the printings in high quality, enough to contend with many famous-brand printers. With single head, the complex head adjustment can be avoided, and the high print quality can be achieved easily by using Starjet 5.0 printers. 2. Technology of Micro Piezo Printing, Variable in droplets, Progressive Pass Compensation, Stochastic Ink-droplet Distribution. Bundled with RIP, Brand-new mechanical structure, Wide range of media compatibility, High performance to cost ratio. 3. Easy to operate and maintain, easy to calibrate the printhead, more stable printer head service station. 4. Up to 1.8M printing width, Low cost, Suitable for general customers.
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cn 6U Centralized Modular PCM multiplex equipment
1. Summary Featuring in flexible, powerful applications, easy maintenance and upgrade,ZMUX-3300 is a centralized PCM multiplexer with E1 or optical link based on VLSI solution. It supports max 14 tributary boards. Its max capacity is supporting 14 directions of E1 or optical connections. Each tributary board may have 1~30 subscriber interfaces cards for which various types of interface modules can be chosen. This device is specially designed to make telephone interface monitoring and testing applicable, so users can check the real-time communication quality information of telephone interface. Our auxilary network management console V3.0 can monitor real-time status of the whole telecommunications network, providing perfect functions of telephone line testing and remote access monitoring. 2. Functional Features 1) Chassis Size: 19 inch wide, 6U high.1) Chassis Size: 19 inch wide, 6U high.1) Chassis Size: 19 inch wide, 6U high. 2) 1~14 pieces of tributary boards can be installed , each tributary board comes with link interface. Optional E1 or optical link interface can be chosen when applicable.The max capacity is supporting 14 E1 directions or optical directions1~14 pieces of tributary boards can be installed,each tributary board comes with link interface.Optional E1 or optical link interface can be chosen when applicable.The max capacity is supporting 14 E1 directions or optical directions. 3) Various data interfaces: low-speed asynchronous data interface (RS232),RS422,RS485,10/100 Base-Tself 1~14 pieces of tributary boards can be installed , each tributary board comes with link interface. Optional E1 or optical link interface can be chosen when applicable.The max capacity is supporting 14 E1 directions or optical directions. 4) Various audio interfaces: FXS, FXO, billing telephone interface( with polarity reversal),magnetic telephone interface, hot-line interface, two-wire audio/E&M interface, four-wire audio /E&M interface. 5) Flexible signaling setting:any channel on an interface board can be arbitrarily set to switch or subscriber interface. 6) Interoperability with devices of different models,it can also be connected to the digital relay interface of switches( such as Ericsson MD110,MD150,HARRIS20-20)in single-end hang way,aiming tosave the network construction investment maximumly. 7) VLSI-based solution with our own intellectual property rights,reliabe performance,and highly integrated design. 8) With perfect alarming functions: It can not only display the working status by LED indicators on the panel, but also make real-time monitoring of the whole network through network management console V 3.0. 3. Brief Introduction About Interface Cards 1) Signalling Interface 2) Automatic Telephone Interface Card 3) Remote Telephone Interface 4) Remote PBX interface 5) E-M Signaling Interface Card 6) Magnet Phone Interface Card 7) Common Battery Telephone Interface Card 8) Carrier Wave Interface Card 9) Data Interface card (including RS232 low-speed data interface,RS422 data interface,RS485 data interface) 4. Subscriber Interface Modules (Optional) Ø FXO Ø FXS Ø 2 wire audio interface/2 wire E&M interface Ø 4 wire audio interface/4 wire E&M interface Ø RS232/V.24 asynchronous data interface Ø RS232 synchronous data interface Ø RS422 data interface Ø RS485 data interface Ø Hot-line phone interface Ø Magnet telephone interface Ø V.21/V.22 interface Ø V.35 interface(n*64K bandwidth) Ø n*64k Ethernet interface(n*64k bandwidth) Ø G.703 64Kb/s synchronous data interface Ø 10Mbps Ethernet interface Ø 100Mbps Ethernet interface Ø Customized Interface modules for your specific requirements based on our strong R&D capability 5. Power supply Input voltage: -48V Working voltage in the device: -48V, +5V, -5V Ringer Signal: 25Hz/75V sine wave Rocker Switch: ON/OFF 6. Scope of Applications This product is suitable for public network operators, power station, railway and military users as well as other dedicated network accesses such as IP, FR, DDN, and video surveillance of public security, banking and taxation system, Residential / intelligent building broadband and narrowband integrated access or intelligent PCM access.
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cn 1U Modular E1 Failover (Protection) Switch
1. Summary Our ZMUX-121 is a "1+1" E1 channel protection device, which is used to distribute the incoming E1 streams to 2 transmission routings through main and stand-by E1 interface, simultaneously, supervision informations of transmission quality is inserted, and the signal from "BETTER" transmission route will be transmitted to subscriber's equipments after the signal quality of transmission is analyzed. This device can calibrate the delay of two transmissions,the acceptable max delay is 32ms for main and stand-by E1 transmissions. When the switching level is 0, the switching time is ns (bit level),thus, damage (that is caused by routing transmission failure)on subscriber's signal can be eliminated to ensure that subscriber's devices work reliably. Our ZMUX-121 can automatically or manually switch 1 E1 channel between 1 main and 1 stand-by E1 channel without damage on transmitted data so as to protect 1 important E1 incoming streams from subscriber's device. 2. Function Description Concurrently, our ZMUX-121 can transmit incoming E1 stream from subscriber's device to 2 routing transmissions,automatically choose and send the BETTER E1 signal to subscriber's device after receiving the incoming E1 streams from 2 transmissions. In PCM30 framing format,our ZMUX-121 is suitable for PCM framing channel that complies with ITU-T G.703, G.704, G.823 recommendations. In PCM unframing format, our ZMUX-121 is suitable for PCM unframing E1 channels, such as IP circuit of multi-link layer protocols,point to point dedicated circuits of CISCO HDLC protocol, frame relay circuit of LAPF protocol, X.25 circuit of LAPB protocol. The two main functions of our ZMUX-121 are supervisions on performance of transmission channels and safe switching control. This device can supervise real-time signal quality(information of error and alarms)of two routing transmissions and choose one E1 incoming stream based on switching mode to make switching without damage. The max delay of two E1 links is up to 32ms, the subscriber's device is connected to main E1 channel directly when power failure occurs. This device can work in automatic switching mode, it can be switched manually to work on main or stand-by E1 channel when in manual switching mode.In automatic switching mode, this device can be set to varied switching levels based on actual requirements. The E1 switching will happen when the set level is met or surpassed. "Mandatory switching" is the highest level, and the switching levels are ranked from highest to the lowest in the following: The default PCM format: PCM30 framing format The default switching level: level 0 LOS AIS LOF MLOF SLOF 10E-4 error mode 10E-6 error mode single bit error mode level 7 level 6 level 5 level 4 level 3 level 2 level 1 Level 0 Notes: 1) The default setting of working mode is: PCM framing format. 2) The default setting of switching level is: level 0. 3. Technical Parameters a) Interface: conforms to the ITU-T G.703, G704 and G823 recommendations b) Bit Rate: 2048kbit/s±50ppm c) Line Code Type: HDB3 d) Line Impedance: 75Ω or 120Ω e) CRC-4 Insertion Time Delay:
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cn 1U Modular E1 failover (protection) unit
1. Summary Our ZMUX-122 is a "1+1" E1 channel protection device,which is used to distribute the incoming E1 streams to 2 transmission routes through main and stand-by E1 interfaces, simultaneously, supervision informaion of transmission quality is inserted, and the signal from "BETTER" transmission routes will be transmitted to subscriber's equipments after the signal quality of two transmissions is analyzed. This device can calibrate the delay of two transmissions, the acceptable max delay is 32ms for main and stand-by E1 transmissions. When the switching level is 0, the switching time is ns (bit level),thus,damage(that is caused by routing transmission failure) on subscriber's signal can be eliminated to ensure that subscriber's devices work reliably. Our ZMUX-122 can automatically or manually switch 2 E1 channels between 2 main and 2 stand-by E1 channels without damage on transmitted data so as to protect 2 important E1 incoming streams from subscriber's device. 2. Function Description Concurrently,our ZMUX-122 can transmit incoming E1 streams from subscriber's device to 2 routing transmissions,automatically choose and send the BETTER E1 signal to subscriber's device after receiving the incoming E1 streams from 2 transmissions. In PCM30 framing format,our ZMUX-122 is suitable for PCM framing channel that complies with ITU-T G.703, G.704, G.823 recommendations. In PCM unframing format, our ZMUX-122 is suitable for PCM unframing E1 channels,such as IP circuit of multi-link layer protocols,point to point dedicated circuits of CISCO HDLC protocol,frame relay circuit of LAPF protocol, X.25 circuit of LAPB protocol. The two main functions of our ZMUX-122 is supervision on performance of transmission channels and safe switching control. This device can supervise real-time signal quality (informations of error and alarms)of two routing transmissions and choose one E1 incoming stream based on switching mode to make switching without damage. The max delay of two E1 links is up to 32ms, the subscriber's device is connected to main E1 channel directly when power failure occurs. This device can work in automatic switching mode, it can be switched manually to work on main or stand-by E1 channel when in manual switching mode.In automatic switching mode, this device can be set to varied switching levels based on actual requirements. The E1 switching will happen when the set level is met or surpassed. "Mandatory switching" is the highest level, and the switching levels are ranked from highest to the lowest in the following: The default PCM format: PCM30 framing format The default switching level: level 0 LOS AIS LOF MLOF SLOF 10E-4 error mode 10E-6 error mode single bit error mode level 7 level 6 level 5 level 4 level 3 level 2 level 1 Level 0 Notes: 1) The default setting of working mode is: PCM framing format. 2) The default setting of switching level is: level 0. 3. Technical Parameters a) Interface: conforms to the ITU-T G.703, G704 and G823 recommendations b) Bit Rate: 2048kbit/s±50ppm c) Line Code Type: HDB3 d) Line Impedance: 75Ω or 120Ω e) CRC-4 Insertion Time Delay:
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