4E1 Fiber Optical Multiplexer User`s Manual
Contents
1. 1 2 in 1U Width 222 mm 9 5 in Depth 160 mm 6 3 in and alone 19 and 9 5 inch rack mount wall mount also availab Temperature 3 0 C 50 C 32 to 122 F Relative Humic 0 90 non condensing Diagnostics Test E Loop back testing for 4 x El Local and Remote mM Loop back testing for fiber optical Local and Remote Indicators mM Local optical signal indications for all Els Remote optical signal receive indication working and loss Loop back indication Alarm indication on or off Power on indication 2 INSTALLATION 2 1 Site Selection This is a guideline for 4E1 Fiber Optical Multiplexer installation The following list indicates a site selection guideline User needs to follow this guideline for the select a proper installation site mM For the 4El Fiber Optical Multiplexer unit the location should be part of the Central Office CO equipment layout design The entrance cable routing should consider mM The installation should provide a proper room for the adequate ventilation and cable routing at site At least 0 5 m should be reserve at the rear of the unit for the human access cable and airflow m The site should provide a stable environment The Ops Area Operating Area should be free from extremes temperature humidity shock and vibration m Do not expose the unit under the rain cause 4El Fiber Optical Multiplexer wasn t a waterproof unit m Relative humidity sho2. do handle with extra care during delivery or shifting This unit will be warranty for 1 year Within the warranty period whenever there is a problem regarding the quality issue we will take the responsibility to repair with free m After the warranty period we will charge accordingly depend on the fault or damage E Whenever there is a fault try to identify the problem and the alarm Of course you can contact our technical support at any time
3. to 4 port s El it is to indicate loop back If the RLOOPI is ON this means that at the far end the is doing a El loop back 12345678 FIBER MUX lt Fiber Interface For example when RLOOPI1 is on El port of remote equipment loops Bit 5 MUTE is for close alarm voice ON is close Bit 6 OLOOP is for optical route loop ON is loop OLOOP is the fiber optical Loop back function To set the loop back function push it to ON and it will perform a local loop back on the optical Table 2 2 2 is all 8 DIP Switch Description 9 U 0 RRRRRARA ui E1 Interface Fiber Interface I N means remote loop Port 1 remote loop control switch gt FF means disable remote loop O OJO N means remote loop FF means disable remote loop N means remote loop FF means disable remote loop SW4 Port 4 remote loop control switch I FF means disable remote loop I alatm voice close SW5 Close alarm voice FF is alarm voice Open ON is optical fiber loop SW6 JOLOOP optical loop function OFF means Disable fiber loop Undefined Undefined Table 2 2 2 2 2 3 Rear Panel P SW1 SW2 Port 2 remote loop control switch SW3 Port 3 remote loop control switch 010101010 Z Z O PWRAC220V aes PG 48V GND TX RX El 000 QHO 220V AC Power In i 220V AC Povver Adapter In 2 Pont ma O Port4 El Tranan it 120 Q ISVDC DC 36 to 72V IN 2 2 4 Power supply 4El Fiber Optical Mult
4. 4E1 Fiber Optical Multiplexer 2 ae a TABLE OF CONTENTS 1 Product Description 1 1Function Description 1 2Features 1 3Application 1 4Specifications 2 Installation 2 1 Site Selection 2 2 Mechanical Installation 2 2 1 Double row indicator light 2 2 2 Front panel DIP definition 2 2 3 Hot line phone no this function in mini type 2 2 4 Real panel 2 2 5 Power supply 3 Operation 3 1 Equipment installation 3 1 1 Quick installation 3 1 2 Coalitions about installation 3 2 Power on the equipment 3 3 Troubleshooting 4 Packaging 4 1 Packing pattern 1 Product Description 1 1 Function Description 4El Fiber Optical Multiplexer is the 4El point to point optical transport equipment that uses the FPGA chips and it is easy to upgrade It is single board structure and the largest transmission capacity is 4El The outer design use the standard 19 inches rack so the volume is little weight is light and operation is convenient and credit 4El Fiber Optical Multiplexer uses the PDH fiber transmission technologies The 2M El interfaces can connect with the exchanger light loop device and multi diplexer directly to form the macromedia or the special network Complete alarm function for 4El Fiber Optical Multiplexer it is stable and easy to maintenance install and small in size It has one digital service telephone 1 2 Features Below lists the features for 4E1 Fiber Optical Multiplexer E Offer 4 x 2Mb s digital in
5. ceive and transfer wires Connect receive and transfer optical with optical receive and transfer port of the equipment Don t exchanges receive and transfer wire make sure the optical fiber head is clean insert optical jumper make sure connection well fiber bending radius gt 50 mm Use multi meter to test power polarity and voltage make sure it match with equipment requirement After complete installation and make sure it s ok power on the switch Check indicator light meet with practice situation see related part of manual A clean steady environment and firm installation should provide for independent or wall hanging equipment 3 1 3 Cautions about installation Avoid severe libration and mechanical damage during the process of transfer and installation Arrange fiber appropriately fiber bending radius gt 50 mm Check voltage and polarity meet with back panel or it will cause permanent damage to the equipment Fiber connector can t contaminate wipe optical fiber head slightly using alcohol or it will affect transmission If the fiber connector not butt joint well it may be cause power decline adjust fiber connector according to practical situation The installation position should convenience for personal pass and equipment movement The environment should dry clean and ventilation well Essential static protective is needed during the installation and maintenance ground the chassis to increase anti interferenc
6. e capability and prevent lightning strike Before use the equipment independence work ground and protect ground should provided make sure it ground well 3 2 Power on the equipment Check indicators and alarms according to manual after power on M If both local and remote work well fiber interface connect ok the alarm light OPLOS and OPLOF off POWER indicator light is green mM Light LOSX X 1 4 is red and voice alarm is on because of not connecting El signal After connect El signal light LOSX X 1 4 will off voice alarm will off until all light LOSX is off mM Branch shield shield no using branch alarm no red light is on when all alarm is off Branch loop when system work normally and no branch alarm happen loop test is available with SW put the SW switch to ON in local terminal can control remote corresponding 2 Mb s branch to loop then can test corresponding output signal at local 2 Mb s output port Use this function you can realize loop of all the branches and it s easy for detect Use bit error instrument to analyzing performance of 2M branch and record it Close voice alarm voice alarm on when following situation happened A Optical disconnected because OPLOS alarm B Signal not steady cause OPLOF alarm C Some branches not use and not shielded Push down SVVS at local terminal can control closing voice alarm Note after failure is removed set the button to norm validate the alarm function 3 3 Troublesho
7. iplexer support 3 type powers AC220V 48V and 24V If the power of DC 48V is used the positive and negative terminal can be optional because there is the self test circuit for the polarity inside the Optical Multiplexer 2 2 5 E1 Interface El Interface support 120Q for 4E1 Fiber Optical Multiplexer Optical Multiplexer Pin out for 120ohm as following 1200 El interface RS ee ee 2 TX El sending negative 4 RX El receiving positive 5 RX El receiving negative 3 6 7 8 reserved 12345678 3 Operation 3 1 1 Equipment installation After unpacking and before installation make sure checking the following mM Make sure the package is well If the package is damaged please contact our service office quickly for solution M Check the package according to the product list if find equipment severe damaged or lack of some components please contact installation worker or our service office E Check whether the equipment type is meeting with the type you ordered Check whether the component is integrity Check the power supply type 3 1 2 Quick installation mM Fasten the Equipment in 19 inch Rack with the screws in the equipment package E Use reliable ground connection at GND point of the equipment m Use power tab to connect power according to the manual don t exchange the polarities Create user equipment connecting vvire according to your demand 2M V 35 and 10 Base T then connected don t exchange re
8. oting Best status is configured to this equipment before out of factory all the functional interfaces are at the front and back panel don t open the chassis yourself If have failure you can determine the range of failure using single loop and contact our corporation The following table list common failure and alarm the reason may cause these alarm and solution to this alarm for you to reference Equipment alarm and corresponding solution Table 3 3 Alarm Possible reason Solution POWER off Power connect not well polarity exchanged I de Optical disconnected remote having no optical 2 OPLOS on Not receive optical signal output Not receive normal frame Receive signal not steady check fiber line and 3 OPLOF on signal equipment Not receive 2M signal Check wire receive and transfer are exchanged Local alarm happened Shield when process failure 4 Packing 4 1 packing pattern Following are in the 4E1 Fiber Optical Multiplexer Package 4El Fiber Optical Multiplexer 1 220AC Power Adapter 1 48DC Power Supply 1 User s manual 1 BNC 4 We could offer detailed above fittings according to your requirements NOTE E 4E1 Fiber Optical Multiplexer is a sensitive electronic item please
9. terfaces mM Up to dEl links on one fiber m The supervisory control interface implements centralized monitoring and export the monitor and control information of this port and opposite port mM One link to service telephone for duty contract optional mM 175V 250VAC amp 48VDC power options and the positive and negative of DC 48V can be optional because there is the self test circuit for the polarity inside thie device M Standard 1U 19 inches rack or mini type little volume light weight steady capacity and convenient setup mM Digital clock recovery circuit and digital smooth DPLL adopted for 2 048Mb s port mM LED indicators 1 3 Application 4El Fiber Optical Multiplexer can be used a high speed baseband modem for point to point that connects two DTE over a lease Line From Router gt CSU DSU gt 4El Fiber Optical Multiplexer gt Fiber optical gt 4E1 Fiber Optical Multiplexer gt CSU DSU gt DTE as illustrated in the Following Diagram E1 35 Converter E1 35 Converter switch El Net A O 4E1 FOM Fiber APPLICATION Diagram 1 1 1 4 Specification El line Interface mnect Optical Fiber Interface FCISC MLM Laser Photodiode 26 dB Min 38Dbm Ber lt 10e 10 Scrambled NRZ Note Longer or shorter distance 50km or above 120km on special order Physical Electrical Height 44 mm 1 7 in 1U Width 485 mm 19 In Depth 160 mm 6 3 in Height 30 mm
10. uld stay between 0 and 95 E Survey the site power supply before install the unit 2 2 Mechanical Installation 4El Fiber Optical Multiplexer is a desktop and rack mount unit which offers two kinds of power supply AC or DC The front panel and the rear panel are shown as below RLOOP MUTE PHONE m i r ooo 10S1 12345678 o e RRRRRARA o Front Panel OPLOS OPLOF PR O O O Local O O o Remote Les L0S2 LOS3 LOS4 ooo ooo 2 2 1 Double row indicator light Table 2 2 1 SES I e e s TS PR e e o o EC e DI ES ES CE ES I 5 ort0s Red Pate o Ona Remark Equipment have two rows indicator light indicate local device status indicate remote device status The equipment has perfect alarm and display The 10 LED at front panel display different alarms voice alarms is also offered The alarms are described as follovving m Power supply indicator PWR this light on when power is on mM Local terminal alarm indicator LOCAL E Remote terminal alarm indicator REMOTE m Not receiving optical signal alarm indicator OPLOS this light on when optical detector not detect input optical signal Sync loss alarm indicator COPLOF This light on when Optical sync loss 1 4 branch El signal loss alarm indicator LOS 1 4 the light on when corresponding El signal loss E The light E 3 on when Local terminal optical BER gt 10 3 2 2 2 Front panel DIP definition Bit 1 4 RLOOP1 4 1 4 El remote loops RLOOP1 4 as 1
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