Product Introduction
IPCE Circuit Simulator is TDM OVER IP Device. As long as the IP address of two terminals can recognize each other, then this device can transmit E1 signal via IP network readezvous point and can achieve join monolithically with existing TDM Terminal, Such as PSTN connection, ATM, Frame relay, ISDN, concentrated user exchange and so on. Provides various operation of TDM directly and don’t need change any Terminal.
Product Feature
1. Transmit frame or unframed E1 signal via IP net, Filly compatible with G.703
2.High transmission rate and low transmission delay
3.Clock revert stably, small dithering and excursion
4.Possess QoS guarantee, supports transmit with date at the same time, assure E1 date prior transmission
5.Convenient to use, don’t need complex setting
6. Transmission package look for address base on IP address and can be configured and revisable
7. Transmission package base on IP date package, shield specific transmission medium, not only can be used in Ethernet /Token-ring or other wired network, but also can be used to increase point to point TDM of wireless LAN. Even can be used in network which mix with wired and wireless
8 Developed a echo counteract device to E1 that it can cancel echo of outside 128ms for some IP transmission network delay is too large and echo problem in voice communication
Setting and Diagnosis
9 IPCE provides menu mode setting service, convenient to use
10 IPCE provides long-distance login connector to set long-distance device via telnet
11 IPCE supports dynamic upgrade, when download new software edition, the old software will be save in backup section. so, if new software be damaged, system can still use old software
12 System provides various alarm: LOS, AIS, LOF and so on
13 IPCE provides local startup auto-inspection, and the inspection result can be observe via super terminal
14 IPCE provides statistic of network affair: date package lose, date package delay, date package wobble and so on
Technologies reference
15 LAN interface:
Port standard: IEEE802.3,IEEE802.3U
Port type: RJ45
Port mode: Auto-adapt to 10/100M
Protocol: CSMA/CD
16 E1 interface:
Line code: HDB3
Bit rate: 2048KBIT/S+-50ppm
Contact person:
Ms. Dailian
Phone                      +86  755  27338117
Email:                    hnxuxilian@yahoo.com.cn
MSN:                     Dailian80@hotmail.com
http://www.dailianxu.com

DVOP04 series of products provide uncompressed high quality transmission systems for 4channeles of digitalized analog video, up to 32 channels of bi-direction date and audio signals,4channels E1/T1 and 10/100M self-adaptive Ethernet date over one single mode or multimode optic fiber, DVOP is a multi-function product which based on highly reliable large-scale specialized ICs designed buy ourselves. It’s extremely flexible with ability to add/drop video.audio,RS232/RS422/RS485,E1,100M Ethernet ports via plugging in/out our field-proven service modulation, DVOP products provide better transmission in quality.
The numerous types of DVOP04 products can meet different user demands. Adopting advanced digital fiber optic transmission technologies, DVOP devices can be installed rapidly without connector(BNC),audio and date connector(RJ45),and fiber optic connector(FC-single or ST-multimode).Users can easily monitor the status of power supply, connector and channels through the indicator lights. There are two types of DVOP04 available: standalone and card-cage packaging.

APPLICATIONS
1.High Way& Toll Station Surveillance
2.Public Security Surveillance
3.Surveillance and cable TV system
4.Intelligent traffic monitoring system
5.High Quality Video Conference
6.Broadcast and TV program transmission
7.Long-distance multimedia teaching
8.Industrial Closed Circuit Television Surveillance
Contact person:
Ms. Dailian
Phone                      +86  755  27338117
Email:                    hnxuxilian@yahoo.com.cn
MSN:                     Dailian80@hotmail.com
http://www.dailianxu.com

The BNC/Fiber VideoConverter converts baseband video signals to Multi-Mode fiber optic. It can easily extend your video signal up to 2,500 meters. Linear modulation and wideband low-noise circuit design is to assure transmission quality to meet NTSC, PAL, SECAM and D2MAC specifications. The Converter set includes Transmitter and Receiver and must be used in a pair.

480 Optical Transmitter & Receiver is PDH optical transmission equipment with high capability. Adopts especial CMOS chip, provides 16E1 digital signals multiple connection, branch connection and optoelectronic switching, realized the long-distance date transmission. Main channel is 16 E1/G.703 ports, offers one channel RS232 transparent data to transmit low rate digital signals. One channel official connection channel use common phone to realize the connection between two station. Inside installation administration of network channel can be used to the network management domiciliary transmission and switching, and realize the remote monitoring of equipment.
This product possess loop back function of the local end and the far end for test and fault location via set up DIP switch in the near end device. Possess perfect fault self-diagnostic function, supports optional Link-Loss alarm function, 2Mbit/s circuit alarm and sound alarm. Possess alarm sound and circuit shielded function. Adopts 16B5H line coding, transmission rate is 42.24Mbit/s, support Single-Strand bi-directional mode or Double-Strand bi-directional mode, meet the different demand of client.
It has high integration degree, high reliability, low power consumption, small in size and consummate function. Adapt to point to point optical transmission link circuit and provides public network and special network with high quality, flexible and reliable optical transmission digital line. It sits perfectly on the network client of telecom, mobile, electric power, police, petroleum and so on.

Contact person:

8E1 PDH Optical Transmitter & Receiver is a optical transmission and access equipment with medium capacity or small capacity. Adopts the up-to-date technology and special large scale integrated circuit which can be programmed. Provides 8 channels E1 digital signals date for multiple connection, branch connection and optoelectronic switching. Abundant Bit spending offers E1/G.703 port for main channel operation transmission and also offers RS232 low rate date channel, official connection channel and network interior management channel. 
8E1 PDH optical transmitter & receiver possess loop back function of the local end and the far end for test and fault location. This equipment possess perfect fault self-diagnostic function, supports optional Link-Loss alarm function and 2Mbit/s spur track indication function. Adopts 4B5B line coding, through replacing laser transceiver module to support Single-Strand bi-directional mode or Double-Strand bi-directional mode. It is adapt to point to point optical transmission link circuit and provides public network and special network with high quality, flexible and reliable optical transmission digital line.
8E1 PDH optical transmitter & receiver possess characters of high integration degree, high reliability, low power consumption, small in size and consummate function. easy installation and adjustment free, high quality of transmission and high reliability of working. and can work stably in the poor conditions. It is very convenient to maintenance and easy to installation and adjustment.
Contact person:
Ms. Dailian
Phone                      +86  755  27338117
Email:                    hnxuxilian@yahoo.com.cn
MSN:                     Dailian80@hotmail.com
http://www.dailianxu.com

 Managed PDH Optical Transmitter & Receiver is a 6U height rack type chassis, adopts double redundant power supply. SNMP network management main control module, subordinate control module, 4 channels/8 channels optical transmitter/receiver, 10/100M Ethernet and E1 interface module, Ethernet and E1 integrated transmission module, and other modules should be inserted to this kind chassis. It is main applied to LAN terminal and can be lay in 19 inch rack for save space and also, can be managed and monitored by SNMP network management software.

Product Feature

4E1 PDH Optical Transmitter & Receiver is a photoelectricity syncretic transmission apparatus with 120 channels (be equal to 120 voice channels). It takes GSI as core and provides E1 transmission which is suit to telecommunication. Offers 4 channels E1 ports, one channel RS232 and one channel service telephone. Supports full network management function. It adapts to switch group network of small capacity, loop network, mobile communication (base station), special network, DDN and so on.

Product Feature

●     Adopts large-scale integrate chip, brief circuit, low power consumption and high reliability structure

●     Offers four channels E1 ports, one channel RS232 and one channel service telephone

●     Offers service telephone port for the convenience of installation and maintenance

●     Possess the function of give a alarm by sound

●     Provides one network management port, possess full concentrated network management function, convenient to configure the network and high security

●     Possess complete alarm and state indication function

●     Adopts manifold power supply: -48VDC or 220VAC

Technologies reference

●     Fiber type: Single-mode fiber or Muti-mode fiber

●     Fiber wavelength: 1310nm, 1550nm or 850nm optional

●     Fiber interface: SC, FC or ST optional

●     Optical line code: 4B5B

●     Date rate: 4096KBIT/S

●     Fiber module: Single Strand module or Double Strand module 

●     Output optical power: －8DBM～-15DBM

●     Receiving sensitivity: ≥－36DBM

●     Transmission distance: 50KM (maximum distance:120KM)

●     E1 character:

Line code: HDB3

Bit rate: 2.048KBIT/S±50ppm

Standard: ITU－TG.703

Line impedance : 75ohm(unbalance),120 ohm(balance)

Connector: BNC

●Rs232 interface:

Working manner: ≤19.2KBIT/S asynchronous serial manner

Port type: RJ－45

Voltage：180V～240V AC，－36V～－72V DC

Power consumption: ＜10W

Operating temperature: 0℃~50℃

Storage temperature: -40℃~70℃

Environment humidity: 5-90%(non-condensing)

Atmospheric pressure: 86～106KPA

●     Dimension: 483mm×140mm×45mm(19 inch standard type)

Smart 10/100M Ethernet Fiber Media Converter is a kind of powerful functions intelligent converter. It adopts special chip of intelligent fiber converter with low power consumption and excellent reliability. It meets the standard of industry and adapts to telecommunication operator and similar client. It supports optical link-loss alarm, remote diagnostic function, photoelectricity control each other, speed compel and mode compel functions except ordinary functions. Therefor, it can completely replace the network management media converter and can reduce big cost for Simple Network Management
Product Feature
1. Auto-negotiation for 10/100M and the bandwidth can be up to 200Mbps(full-duplex)
2. Advanced optical and electronic integration mechanism can supports good optic characteristic and electrical characteristic, and can ensure the high quality and excellent reliability of date transmit
3. Supports remote port management function via diagnostic and monitoring LEDs for the status of power, FX link/ACT, TX link/ACT
4. Auto-negotiate to half / full duplex mode
5. Auto-negotiate to 10/100Base-T dual speed
6. The maximal data packages is 9000bytes, can be used together with any kind switch
7. Low power consumption
8. Supports 1K MAC address
9. Supports FEF optical link-loss alarm and remote diagnostic functions
10. Supports optional Link-Loss alarm and diagnostic functions
11.Supply one RJ-45 electrical port
12.Auto-negotiate and Auto-cross to NIC/HUB and MDI/MDI-X
Contact person:
Ms. Dailian
Phone                      +86  755  27338117
Email:                    hnxuxilian@yahoo.com.cn
MSN:                     Dailian80@hotmail.com
http://www.dailianxu.com

Card inserted type 10/100M/1000M series Ethernet Fiber Media Converter fully compatible with IEEE802.3, IEEE802.3ab on electrical port and optical port. Provides Single-fiber Bi-direction and Double- fiber types.The transmission distance of Muti-mode is 550m,the transmission distance of singl-mode can up to 80KM.DC and AC power supply types can be optional. It adapts to the transmission of network of backbone and primarily used in connection of 1000M ethernet equipment.Extend the transmission distance to 80KM and broaden the bandwidth to 1000M via the conversion of phototranslating.
The rate of this product on optical port is 1000Mb/s,the rate on electrical port is auto-negotiate to10/100M/1000Mb/s.Possess prodigious interoperability,it is not only can intercommunicate with series of itself, but also can intercommunicate with GBIC and SFP series interface of CISCO,3COM,Huawei or D-LINK Switch.
Card inserted type 10/100M/1000M series Ethernet Fiber Media Converter adopts the standard of telecommunication on design and all capacitor are tantalum capacitor. Whole product exhaustiveced resolve the hyperpyretic problem.Reached domestical advanced level.
Card inserted type 10/100M/1000M series Ethernet Fiber Media Converter keep to IEEE802.3ab,IEEE802.3 standard.Support the protocol as below:
1. IEEE802.3 Ethernet(10Mbps)
2. IEEE802.3u Fast Ethernet(100Mbps)
3. IEEE802.3ab Gigabit Ethernet(1000Mbps)
4. IEEE802.3x Full Duplex
5. IEEE802.1d Spanning Tree Structure 　
6. IEEE802.1Q VLAN Sign
7. IEEE802.1p QOS PRI
Contact person:
Ms. Dailian
Phone +86 755 27338117
Email: hnxuxilian@yahoo.com.cn
MSN: Dailian80@hotmail.com
http://www.dailianxu.com