1550nm External Modulation Optical Transmitter
Contents
1. 1550nm External Modulation Optical Transmitter HT1500B Series USER MANUAL Ver 1 0en Hangzhou Huatai Optic Tech CO LTD CONTENT 1 0 PRODUCT SUMMARI ZE nu ss nie 1 2 0 INSTALEATION nee 1 ZA UNPACKING jesse nee tak eet hese Pht aaa earns ee Re a Ei 1 2 2 Transmitter Mounting and Power Connection c ceceeeeeee nenn nennen 1 2 23 gt RE COMMECEON eraa ana nad hac Seemed Rene EEE 2 2 4 OPtiC CONNEC ON srociinnniir opis etek e cd ahnen Seed dean cena eee A 2 3 0 TRANSMITTER CONTROLS INDICATORS AND ALARMG 0 esesee008 3 3 1 The operation of the panel cece eee eee eee nenn nenn nenn nenn 4 4 0 GUARANTEE AND REPAIR ITEMS ununsnnunannunannunnnnnnnunannunannunannnnannenn 5 1 0 PRODUCT SUMMARI ZE Huatai HT1500B is a 1550nm direct modulation optical transmitter with high index and AGC function It adopts high linearity and low chirp DFB laser built in pre distortion compensation and AGC APC ATC closed loop control which improves the system index obviously It can be used in FTTx lt 10Km of second grade service area sub headend also can be used in WDM narrow band multiplexing and IP QAM 2 0 INSTALLATION 2 1 Unpacking Inspect the shipping boxes for any obvious damages Unpack the unit from all packaging boxes Inspect the appearance of the unit for any shipping damages Document and inform the shipping company and your loca2. If component is damaged by man induced factor material fee will be charged Page 5 of 5
3. wire is the grounding wire Before connecting circuit please use big spec 20AWG and more electric wire to connect the grounding screw on the bottom and the grounding frame When use DC input power supply the equipment chassis must be grounding 2 3 RF connection Connect the RF cable amp the connector on TX rear panel RF connector is F type plug F Female F male Optional The resistance is 75Q 2 4 Optic connection 1 Considering for protection amp safety all the fiber optic connector need protect cover in transportation 2 In order to ensure the insertion loss amp return loss the end face of fiber optic connector is polished extremely Please don t dirt the pollute the connector Even very micro dust will also affect the transmission quality When off the fiber optic connector please put on the protection cover 3 Clean all fiber patch cords before connecting to the transmitter Cleaning Guidelines Fiber Patch cord connectors Remove the fiber connectors dust cap and wipe the fiber connector tip with a dry lint free cloth such as Kimwipes Inspect for scratch s or debris on connector surface by using a microscopes ie 100x or 200x If no scratches or debris are found the connector is now clean and ready for connection If debris or scratches are found then repeat the fiber patch cord connector cleaning guidelines Fiber Bulkhead connectors Compressed air may be used to clean fiber bulkhead connec
4. ER Read only menu displays the optical output power in dBm Menu 3 LD BIAS Read only menu displays laser bias temperature in C Menu 4 LD TEMP Read only menu displays the laser temperature in C Menu 5 COOLING HEATING Read only menu displays the amount of current that the Thermoelectric Cooler requires to maintain the laser temperature at nominal 25 C Menu 6 UNIT TEMP Read only menu tells the system temperature Menu 47 RFLVL Read only menu tells the RF input level Menu 8 5V Monitor Read only list display the voltage 5V Menu 9 5V Monitor Read only list display the voltage 5V Menu 10 24V Monitor Read only list display the voltage 24V Menu 11 IP Adjustable list display the IP address of SNMP Menu 12 S N Read only menu tells the serial number 4 0 GUARANTEE AND REPAIR ITEMS 1 Each unit is packaged with lt Products Qualification gt with the series number provide one year s guarantee 2 Micro processor software with the function of monitoring laser status digital display trouble alarm network management etc pump laser will not be damaged only by man induced factor In case of Red lamp sparking Alarm Please return for repairing User should not open the top cover for repair otherwise even within guarantee period maintain and material fee will be charged 3 4 Lifelong maintain and upgrade is provided even guarantee period is expired
5. l representative as seen in section 1 2 of the damages Save the shipping boxes and their inserts for any future reshipment for upgrade or repair NOTE In the event of a reshipment back to the manufacturer any additional damages caused by not using the original boxes will be considered responsibility of the customer 2 2 Transmitter Mounting and Power Connection 1 Place the unit into a 19 inch wide rack or cabinet Make sure to leave a 1 75 inch about 4 5cm space above and below the unit 2 According to the design request HT1500A series 1550nm optic transmitter can work under 0 C 50 C 32 F 122 F temperature range We recommend 25 C 77 F environment temperature Humidity not bigger than 95 under non coagulation condition If necessary the equipment should keep the suitable temperature amp humidity in the restrained scope We recommend to operating in the environment without dust 3 Equipment powered by AC or steady voltage DC In both of AC amp DC AC is the chief power supply Request of power supply Page 1 of 5 Page 2 of 5 AC input 94 245VAC 50 60Hz DC input 36 60VDC floating Power consumption Maximum 50W 4 The DC power supply of the equipment must be the SELV supply stipulated as CAN CSA C22 2 No 950 95 standard 5 The machine should have good grounding grounding resistance lt 4Q According to the international standard 220V plug in adopts tri wire rule the middle
6. r 6 Turn the transmitter laser key switch to the ON position 7 Using the optical power meter verify the transmitter optical power is within specification 8 Turn the transmitter laser key switch to the OFF position 3 0 TRANSMITTER CONTROLS INDICATORS AND ALARMS This section of the manual will give an overview of the available menus in the HT1500A series transmitter and their descriptions All instructions in Section 3 0 refer to the representation f the front panel shown in the diagram below The user scrolls through the Tx menus using the push bottoms found on the front panel of the Tx these are located just to the right of the LCD screen Page 3 of 5 Page 4 of 5 RF Test 3 1 3 1 1 A B 3 1 2 Optic Transmitter Status LASER Off RF Ss l A On O Poweri O Power2 0 The operation of the panel Open menu Plug in 110V city power supply Turn on power switch in the rear panel Front panel display KEY OFF Laser Status lamp Red RF Status lamp Red POWER1 Status lamp Green POWER2 Status lamp Green Press laser start up keyswitch Front panel shows KEY ON Laser status lamp turns green from red machine enters self checking after checking it enters working status display Descriptor Start up main menu Press 4 v button will display below menu in sequence Menu 1 Descriptor Read only menu tells the type of this equipment Menu 2 LD POW
7. tors Use compressed air with at least the following specifications Non residue inert gas for precision dust removal Ultra filtered to lt 0 2 microns Recommended for optical systems Using compressed air as listed above remove the bulkhead dust cover and hold the can of compressed air about 6 inches from the connector After spraying a few short bursts into the bulkhead the connector is clean and ready for connection If compressed air is not available the transmitter fiber bulkhead connector may be cleaned by 2 5 mm cotton swap or connector plate may be removed to clean the internal fiber patch cords CAUTION Use caution when handling fibers Do not exceed fiber manufacturers pulling tension or bend radius specifications when removing fiber bulkhead connector plate To remove the transmitter optical connector plate remove the screw on the far left of the optical plate and remove the screw on the far right of the optical plate Do not remove the screws on the optical bulkhead connector Slowly remove the optical connector plate from the rear panel and disconnect each fiber connector from the bulkhead mounted on the plate Clean each fiber connector according to section A of the fiber cleaning guidelines 4 Make sure the laser key switches on the front panel of the transmitter are in the OFF position 5 Connect a fiber patch cord from the output of the transmitter to an optical power mete
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