Parani-ESD100V2/110V2 User Guide
Contents
1. 1 2 3 4 Power Supply cui IN 414 su L1117L 3 3 2 POWER_ON 3 3 vin vouT 4 4 4 o R4 n m en ca c2 R1 400uF 10uF 2 470K o T Sour nev 3 GND ANo FT GND GND VDD3V3 Serial 1DuF 2 FTT o RS DCD GND GND B RS DTR 2 o2 RS TXD o o L CTs TAIN 9 8 RERO ola RS RXD T2IN gt B 85 5 O L amp 8 RS RTS T3IN T3OUT ola DSR T40UT RS NC TSIN 5 HZ RS DSK oH RT 47 a RS_DTR RAIN 21 AT ART SCTXD R2IN R20UT Av MALE S_RTS R3IN R3OUT 48 UART CTS GND ce j 28 1 25 21 fmiour HR VRD_JIG 257 1 4 j 2 MBAUD vDD3v3 4 JEN mr SHDN V 4 0 2 o ce ce TRSS237EIDBF 0 10 25v 125 FTT TT T GND GND GND GND ESD100V2 1 10V2 LED display B ENS ee BT MODE UART TXD 2 UART DCD R10 UART_RXD UART DSR UART_RTS_ 4 UART DTRZ UART CTS 5 ET INITIAL 390 PWR_ON 2 GND CN 12D ES VDD3v3 R11 GND GND UART RXD RXD Green R2. ron removet m owes oueon Comec Date m oem ome om oaa Terminara a ose Lee A 1 2 DCD Signal Status Bluetooth Connect Detect Status of Bluetooth connection will be delivered to Host PC via DCD line When Bluetooth connection is made DCD signal will be to low 35 A 1 3 Factory Reset Signal Factory reset signal will be used for setting the Parani ESD to factory defaults Factory reset signal should be on OV status for at least 1 second for the reset to occur A 1 4 Pairing BT_MODE Signal Single Connection Mode Only Parani ESD provides a pairing signal input for instant configuration and automatic connection to two Parani ESDs In this example we will name the two Parani ESDs as ESD1 and ESD2 In pairing mode Step 1 Turn on ESD1 and ESD2 and do factory default both of them by using RST signal Step 2 Set the pairing signal of ESD1 to a low state and hold the signal for 2 seconds Step 3 Set the pairing signal of ESD2 to a low state and hold the signal for 2 seconds Set the pairing signal of ESD2 to high state and hold the signal for 2 seconds Now Set the pairing signal of ESD2 to low state and hold it for 2 seconds Step 4 Wait for ESD1 amp ESD2 to connect to each other It may take about 10 seconds to make a connection If there are many Bluetooth devices n
3. AERA YEA BEIC 48 Bi3 28 AT FBT LP 48 B 3 29 48 3 30 48 49 B 39 32 AT amp WC e ti Ope o EE ER EE FRED AER LOREM RE Rp 49 B 3 33 AF PASS string iiri perte ert epe d IR RE ERES ERI Et CU REPRE BADEN EORR ne canes 49 3 34 AIS CHPASS SGStrith Qe e eere tue ten eode la 49 ERCE METUIT 49 3 36 AT Sr m meds onu dior deut dedic euge ado 50 B 4 Command 50 Appendix S Register 52 1 S1 Force to Reconnect default 1 1 nennen 52 2 53 Stream UART Policy default 0 i iira 52 S4 Enable Remote Name Query default 1 sse 52 C 4 S6 Enable Low Power Mode default 0 52 S10 Enable Response Message default 1 52 6 S11 Enable Escape default 1 ee printer ren te t e 52
4. breit dee de pe adds 35 A3 ParanicESD100V2 110W2 eet ice oret eiecit de edi due 35 A 1 2 DCD Signal Status Bluetooth Connect 35 A 1 3 Factory Reset 2 08 36 1 4 Pairing BT MODE Signal Single Connection Mode Only 36 A2 Gonnectiom DIagEalm sos eid deme certet tania couch 37 A 2 1 ParanESB100V2 110W2 once tede ae erp der entier ee oet a d aed 37 Appendix B AT Commands 40 B Terminology reto rine inne dini 40 BibT AT Goma rH 40 1 2 e eden oe ea ee ee oe ete 40 B 1 3 Operation 40 1 4 Operation Stat S iii ii eiieeii ada ariaa a danie rea rao an aa Ea saaa aonni tenere 40 e e A 40 101819 cere 40 B 2 Command 1 41 Command Description aenea a ai aa a E 42 00 42 22 ERR Da ERA FIRE E 42 42 B 3 4 AT UART CONFIG Baudrate Parity Stopbit lt
5. 55 28 S56 BD Address of Last Connected Device 55 C 29 S57 Slave Disconnect Timeout default 3 55 C 30 S58 MAX TX POWER default 0 essent 55 C 31 S59 Current Slave in Communication default 0 sss 56 C 32 S60 Reconnect Time Interval default 5 56 Appendix D Trouble Shooting 57 Di No Data TranSMISSiOn m 57 Dit lt l Device Settings c Irae eee ile 57 0 2 Data Loss or Malfunctioning 1 1 10 ee eaaeee ee nnne 57 0 2 1 Hardware Flow Control sss 57 0 2 2 Response M SSaQC ccceceecceceeeeeeeeeeeneeeeeeeeeeeeeaeeeeseaaeseseaaeseeeaaeeeseeaaeeeseesenaeseeseneees 57 0 3 Transmission Dolay eee Irene etr eve epe 57 Dis RE Processing Delay noe ee ieget ei ces ciae teet telae epe ges 57 0 3 2 RF Transmission nens 57 Appendix E Warranty 58 E 1 GENERAL WARRANTY POLICY 58 E 2 LIMITATION OF LIABILITY 2 iioii tota tnu e d RE e E B ERRAT T LUE MAE 58 HARDWARE PRODUCT WARRANTY DETAILS seen 58 E 4 SOFTWARE PRODUCT WARRANTY DETAILS sse 59 E 5 THIRD PARTY SOFTWARE PRODUCT WARRANTY 59 Appendix F How to make a RS232 interface Development Board 60
6. 42 Bi3 52 ATEBTINEG 42 3 6 plerum 43 3 7 uiia ettet eR ERE RT a UEFA UIDES 43 3 8 ne DA o a ene et Aas dc uude ae va Mee pee Ae 43 B 3 9 AT BTRSSI ne Single Connection Mode Only sse 43 ORENSE cm 44 Brg AT BIMODE Rm 44 12 ATEMU N 44 ADT D m 44 Bi 14 AT SETESC intestine iu ila alate la le eleva ees 45 B 3 15 ATO ATOx ATObGadGgt re eile va eet ace eai ede oe e 45 3 16 e le e pee eene ees ee een 45 Bri T AFSBISGANSL i eet dei levis donee Vae 45 8 s aeneo tees dine ep vega tdeo poe dra Ene teu ae eva igen 45 3 19 112233445566 10 iaiia enne 46 3 20 H A 46 Bi3 24ATDI12233445566 onte tir te ie itta ee rn ra 46 RUP 47 B 3 23 ATA1122334455066 l n titt ttc ta ee e E rSn o ED de 47 3 24 ATHA ATHx AT Hbdaddr rre ctii tette iet 47 3 25 AT4BTKEY s string e c tte n tti e UO o Ee de 47 BiB 262AT BUS uri tiet er EU TRU je Een dees pee o ee PER EE ED dies 48 B 8 27 ATXBTOSBDH iiie ette n EE beet shea
7. 0 4 8 12 RB Gd PO O 16 55 C 31 S59 Current Slave in Communication default 0 This value shows the current slave number in communication The value is automatically stored when the slave is selected for communication This value can also be set by user so the master unit connects to a specific slave to connect first in case the master unit reboots The value range is 0 4 0 means the maser unit never connected to a slave The master will connect to a slave whatever responses first C 32 S60 Reconnect Time Interval default 5 This value defines reconnect time interval in case a slave is disconnected in multiple connection mode The actual reconnect time interval will be the value multiplied by two in seconds For example if the value is set to 5 the reconnect time interval will be 10 seconds The value should be greater than or equal to 5 The master unit will only try to reconnect when its mode is set to Mode1 56 Appendix D Trouble Shooting D 1 No Data Transmission D 1 1 Device Settings Check whether the Baud rate of Parani ESD matches that of its host equipment Check whether the host equipment of Parani ESD uses Hardware Flow Control Parani ESD is initially set to Use of Hardware Flow Control If your host equipment does not use Hardware Flow Control please disable the Hardware flow control option by ParaniWIN or AT command D 2 Data Loss or Malfunctioni
8. 7 S12 Clear Data Buffer When Disconnected default 0 53 C 8 S13 Enable DCD Signal default 1 sss 53 C 9 S14 Enable DTR Transfer default 1 sss nenne 53 C 10 S15 Enable Disconnect by DTR default 0 53 C 11 S22 Faster Connection default 3 53 12 S23 Intercharacter Timeout Setting default 0 53 C 13 S24 Maximum Number of Inquiry Result default 15 53 14 S26 Intercharacter Timeout default 0 sse 53 C 15 S28 Escape Sequence Character default 43 sse 54 C 16 S31 Page Timeout default 20 esent enne nentes 54 17 S33 Inquiry Timeout default 30 ener nns 54 C 18 S37 Supervision Timeout default 5 eene 54 6 19 543 COD default OD tie suas nec ta ah lacte 54 C 20 544 COD Filter default 0 54 C 21 S45 Inquiry Access Code default 0 9 8 33 54 C 22 S46 BD Address of Last Connected Device 54 23 548 Low Power Max Interval default 5000 55 C 24 S49 Low Power Min Interval default 4500 enne 55 C 25 S52 Low Power Timeout default 5 sess 55 26 S54 BD Address of Last Connected Device 55 C 27 TS55 BD Address of Last Connected
9. Appendix G Parani ESD100V2 110V2 PCB mechanical drawing 61 1 Introduction 1 1 Overview Parani ESD is a module device for wireless serial communication using Bluetooth technology that is international a standard for short range wireless communications Parani ESD can communicate with other Bluetooth devices that support the Serial Port Profile The working distance of Parani ESD with default antenna is 100m The Parani ESD delivers better quality of communication than a standard RS232 cables Parani ESD has a compact design and can be placed conveniently into devices or equipment Its detachable antenna optimizes the quality and distance for wireless communications Parani ESD supports FHSS Frequency Hopping Spread Spectrum which is a technique native to Bluetooth that allows the Parani ESD minimize radio interference while decreasing the likelihood of over air hijacking Parani ESD also supports authentication and Bluetooth data encryption Parani ESD can be configured and controlled by typical AT commands Users can easily configure Parani ESD by using a terminal program such as HyperTerminal and can use Bluetooth wireless communication without modifying user s existing serial communication program In addition to the basic AT commands Parani ESD provides some expanded AT commands for various functions User friendly ParaniWizard and ParaniWIN are also provided for easy setup on Microsoft Windows 1 2 Package Check List 1 2 1
10. Single Bulk Unit Package Parani ESD100V2 Parani ESD100V2 Module on board chip antenna Parani ESD110V2 Parani ESD110V2 Module Stub Antenna Antenna extension cable 1 2 2 Starter Kit Development board Serial data cable DC Power Adapter A hardcopy of Quick Start Guide 1 3 Product Specification 1 Parani ESD100V2 110V2 Serial Interface Serial UART speed up to 921 6kbps CTS RTS flow control DTR DSR for loop back amp full transfer 2 54mm Pin Header 2X6 12pin Bluetooth Interface Bluetooth v2 0 EDR Profile Serial Port Profile Working distance Parani ESD100V2 Nominal 100m Parani ESD110V2 Stub Antenna 1dBi Stub Antenna 1dBi Dipole Antenna 3dBi Dipole Antenna 3dBi Dipole Antenna 3dBi Dipole Antenna 5dBi Dipole Antenna 5dBi Patch Antenna 9498 Stub Antenna 1dBi Dipole Antenna 3dBi Dipole Antenna 3dBi Dipole Antenna 5dBi Patch Antenna 9498 Dipole Antenna 5dBi Patch Antenna 9498 Patch Antenna 9498 100 meters 150 meters 200 meters 300 meters 500 meters 400 meters 600 meters 1 000 meters Configuration ParaniWIN ParaniWizard Modem AT command set Firmware Update ParaniUpdater Supply voltage 3 3V DC Supply current 10mA 60mA Environmental Operating temperature 30 80 C Storage temperature 40 85 C Humidity 9096 Non condensing Parani ESD100V2 110V2 Dimension 27 5 mm L
11. 1 08 30 0 mm W 1 18 in 14 0 mm H 0 55 in Weight 6g FCC CE KCC TELEC SIG 1 year limited warranty Physical properties Approvals Warranty Note Bluetooth v2 0 supports improved AFH function AFH function is to mitigate the interference between WiFi and Bluetooth radios by automatically avoiding the active WiFi channel from Bluetooth link However AFH does not provide a complete solution making WiFi and Bluetooth work together in harmony It is highly recommended for users to test their wireless system enough before deployment since the overall system performance is affected by various environmental factors such as distance between them 2 Getting Started This chapter describes how to set up the Parani ESD for the first time 2 1 Panel Layout explains the panel layout 2 2 Connecting the Hardware describes how to connect the Parani ESD the power and the serial device to the Jig Board Following items are pre required to get started One Jig Board included in the Starter Kit package One DC power adapter or one USB power cable included in the Starter Kit package One serial console cable for configuration included in the Starter Kit package One PC with RS232 serial port Terminal emulation program running on the PC 2 1 Panel Layout This section describes the panel layout of the Development Board LEDs Set ESD100V2 110V2 Interface H W Flow Control Switch
12. case Mode1 will not be able to work properly The mode change to Mode1 can be made after Parani ESD succeeds to connect to one other Bluetooth device Once changed to Mode1 Parani ESD will try to connect automatically the last connected Bluetooth device whenever the unit is powered on or software reset Parani ESD in Mode1 cannot be discovered or connected by other Bluetooth devices Parani ESD is waits for a connection from the last connected Bluetooth device Parani ESD in 2 is to be a slave and waiting for the connection only from the last connected Bluetooth device Just like Mode1 if there is no BD address stored Parani ESD the mode change from other operation modes to Mode2 is not work properly Once changed to 2 Parani ESD will wait for the connection from the last connected Bluetooth device whenever the unit is powered on or software reset Parani ESD in Mode2 cannot be discovered or connected to Bluetooth devices other than the last connected device Parani ESD is waiting for the connection from any other Bluetooth devices In Mode 3 the Parani ESD is discoverable and can be connected to by other Bluetooth devices 12 3 2 Serial Ports The applicable settings for serial ports are as follows Table 3 2 The Parani ESD Serial Port Settings Serial Port Settings Values Baud rate 1200 2400 4800 9600 14400 19200 38400 57600 115200 230400 460800 921600 Data bite Parity No parit
13. for the period of time herein indicated such warranty period commencing upon receipt of the Product This warranty is limited to the repair and or replacement at SENA s discretion of defective or non conforming Product and SENA shall not be responsible for the failure of the Product to perform specified functions or any other non conformance caused by or attributable to a any misapplication or misuse of the Product b failure of Customer to adhere to any of SENA s specifications or instructions c neglect of abuse of or accident to the Product or d any associated or complementary equipment or software not furnished by SENA Limited warranty service may be obtained by delivering the Product to SENA or to the international distributor it was purchased through and providing proof of purchase or receipt date Customer agrees to insure the Product or assume the risk of loss or damage in transit to prepay shipping charges to SENA and to use the original shipping container or equivalent E 2 LIMITATION OF LIABILITY EXCEPT AS EXPRESSLY PROVIDED HEREIN SENA MAKES NO WARRANTY OF ANY KIND EXPRESSED OR IMPLIED WITH RESPECT TO ANY EQUIPMENT PARTS OR SERVICES PROVIDED PURSUANT TO THIS AGREEMENT INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE NEITHER SENA NOR ITS DEALER SHALL BE LIABLE FOR ANY OTHER DAMAGES INCLUDING BUT NOT LIMITED TO DIRECT INDIRECT INCIDENTAL SPECIAL
14. in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by on or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet a circuit different form that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help 5 1 2 RF Exposure Statement The equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment This device and its antenna must not be co located or operation in conjunction with any other antenna or transmitter 5 1 3 Do not Any changes or modifications to the equipment not expressly approved by the party responsible for compliance could void user s authority to operate the equipment 5 2 CE Declare under our own responsibility that the product Bluetooth Module Brand name SENA Model No Parani ESD1XXV2 Parani ESD100V2 Parani ESD110V2 To which this declaration refers conforms with the relevant standards or other standardizing documents EN 60950 1 ETSI EN 301 489 1 ETSI EN 301 489 17 ETSI EN 300 328 According to the regulations in Directive 1999 5 EC 32 5 3 KCC Type Registration Certification No SNA ParaniESD1XXV2 5 4 TELEC Te
15. on At this point when both Parani ESD s are restarted the connection will be established automatically 3 8 ParaniWizard ParaniWizard is a Wizard program that will allow you to configure a pair of Parani ESD s for an automatic connection To make connection with Bluetooth devices other than Parani ESD use ParaniWIN or AT commands on a terminal program In this example we will refer to the two Parani ESD s as ESD1 and ESD2 respectively Install and run ParaniWizard ParaniWizard Step 1 of 9 1 Please prepare 2EA of Parani ESDs to get paired 1st unit Parani ESD1 2nd unit Parani ESD2 P Connect Parani ESD1 to this computer supplying power ParaniESD1 there to UART setting of this WIZARD should be identical with 2 the UART of Parani ESD1 Press the button below for WIZARD SETTING Parani ESD2 Default U amp RT of Parani ESD wid SB bps NonParity 1StopBit Wizard Setting Figure 3 10 ParaniWizard Step 1 Plug ESD1 into the serial port of the host computer and power on the unit Click Wizard Setting button to configure the serial port settings of ESD1 These settings must be the same as those of the host system to which ESD1 will be used Click Next ParaniWizard Step 2 of 9 Let s configure Parani ESD1 to be discoverable connectable Please check and press NEXT button Figure 3 11 ParaniWizard Step 2 20 Click Next with after selecting the check box which makes the uni
16. sure the serial settings in Hyperterminal are set to the same settings as the Parani ESD s serial settings COM2 Properties Port Settings Bits per second Data bits 8 Parity None Stop bits 1 Flow control Hardware ball Restore Defaults OK Cancel Apply Figure 3 22 HyperTerminal 26 To view the AT commands that are being typed you will need to enable the local echo option Go to File gt Properties gt Settings gt ASCIl setup and select the Echo typed characters locally option For expanded AT commands please refer to Appendix A AT commands Example of AT commands 27 4 Multiple Connection Mode 4 1 Overview Parani ESD100V2 110V2 supports multiple connections up to 4 slave units There are two types of multiple connection modes Multi Drop Mode and Node Switching Mode Figure 4 1 Multi Drop Mode In Multi Drop Mode a master unit can connect to maximum 4 slave units at the same time and they transfer data bi directionally as in Figure 4 1 Figure 4 2 Node Switching Mode In Node Switching Mode the master unit maintains multiple connections with maximum 4 slave units but only one connection with one slave unit is active and data is transferred as shown in Figure 4 2 After connected to slave master acts command mode Active slave is selected by AT commands On communication after connecting 1 Communicating with 1 Slave OK ATO000195000003 C
17. that exceed SENA s temperature and humidity specifications Power fluctuations high voltage discharges Improper grounding incorrect cabling Misuse negligence by the customer or any other third party Failure to install or operate the product s in accordance to their SENA User Manual Failure caused by improper or inadequate maintenance by the customer or any other third party 58 Floods lightning earthquakes Water spills Replacement of parts due to normal wear and tear Hardware has been altered in any way Product that has been exposed to repair attempts by a third party without SENA s written consent Hardware hosting modified SENA Software or non SENA Software unless modifications have been approved by SENA Battery component capacity degradation due to usage aging and with some chemistry lack of maintenance E 4 SOFTWARE PRODUCT WARRANTY DETAILS WARRANTY PERIOD SENA warranties software Product for a period of one 1 year WARRANTY COVERAGE SENA warranty will be limited to providing a software bug fix or a software patch at a reasonable time after the user notifies SENA of software non conformance E 5 THIRD PARTY SOFTWARE PRODUCT WARRANTY DETAILS The warranty policy of the third party software is conformed to the policy of the corresponding vendor 59 Appendix F How to make a RS232 interface Development Board
18. units specified by S register 46 54 55 and 56 If non existing or inactive slave addresses are entered in these S registers the overall performance will degrade due to frequent connection trials to non existing inactive slaves It may also force disconnections for overall performance and outputs disconnect messages repeatedly Node switching mode provides nearly equivalent performance as single connection mode It is always recommended to use flow control for both of Multi Drop Mode and Node Switching Mode 31 5 Approval Information 5 1 FCC FCC Rule Part 15 Subpart C Section 15 247 FCCID S7APARANIESD1 2 5 1 1 FCC Compliance Statement This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received Including interference that may cause undesired operation Information to User This equipment has been tested and found to comply with limits for a Class B digital device Pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generate uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur
19. 12 CR UART TXD VDD3V3 390 TXD Green R15 cR R13 R14 See _ gt 5 R16 cR ET NITIAL ART DIR swe aen DTR LL MODE MODE iure Ea UART DSR GND 390 DSR A note1 Parani ESD1XX v2 JIG GUIDE note2 notes Se No Rev notea A 10 notes TECHNOLOGIES File ParantES0 J1G GUIDE Date 2005090871 1421 Tori 1 2 3 4 60 Appendix G Parani ESD100V2 110V2 PCB mechanical drawing 2 700 6 550 9 000 9 250 hz gt gt 2 500 S E H 9 3 500 4 790 P me di 5 e 2 100 Spo 30 000 20 700 oN PES 1 320 p D S ME p lt O 1 220 a aN 63 BEA u 1 970 K gt gt gt gt gt K gt lt E S 2 740 3 560 2 540 2 540 2 540 2 540 2 540 5 760 2 740 3 500 14 800 69 2 9 E oF ne 2 500 11 000 X 0 500 JII 2 500 0 750 Jik 6 000 0 800 y 61
20. 200451 Paranit 0D 000853200609 Promi MSP_2006D9 000853200449 Promi MSP 200449 Search 00019516451 Connect Figure 3 14 ParaniWizard Step 5 Select the ESD1 from the list and click Connect then the following message box will be displayed Connecting 5 ParaniWizard Step 6 of 9 Successful Connection DCD LEDs of jig board connect with both Parani ESD1 and Parani ESD2 are in Green color not blinking Cancel Figure 3 15 ParaniWizard Step 6 22 It may take about 5 seconds to complete the connection For the automatic connection to take place between ESD1 and ESD2 the proper operation mode of ESD1 and ESD2 have to be set ParaniWizard Step 7 of 9 Now WIZARD will configure Auto connection mode Two Parani ESDs in this mode will be connected automatically whenever powered Configure UART of Parani ESD2 for my use Baud Rate 3500 Parity None Stopbit 1 Don t use Hardware Flow control Change UART as above and set up Parani ESD2 to go Auto connection mode tees Figure 3 16 ParaniWizard Step 7 Set the operation mode of ESD2 to Model ParaniWizard 5 8 of 9 Jobs for Parani ESD2 is finished Take it out and connect Parani ESD1 to this computer Configure UART of Parani ESD1 for my use Baud Rate 3500 Parity None Stopbit h Don t use Hardware Flow control Change UART as above and set u
21. 300 Device Setting Connection out 5 E Connection in 5 2 Define the number of nearby devices to be searched oh 1 Connect to Specified devices Connection Wizard c Drop the Connection Signal Strength Test LinkQuality LLL LLL RSSI HI Nate MUST push STOP button after startting on measuring Figure 3 7 Signal Strength Test The signal strength test shows LInkQuality and RSSI values The closer LinkQuality is to 255 and RSSI is to 0 this means the Parani ESD has a good connection to the connected Bluetooth device In general the wireless connectivity is at its best within 10 meters You can push the STOP button at anytime in order to terminate the signal strength test The signal strength test will continue until the STOP button is pushed If you close the ParaniWIN Window without pushing the STOP button you must restart Parani ESD to terminate the test Connection in icon will show the following window which enables the Parani ESD to wait for a connection from another Bluetooth device If the waiting time is set to 0 Parani ESD will continually wait for connection until Cancel button is clicked 18 Serial port was open COM 1 9600 No Parity One Stopbit ParaniWIN 1 Device Info 55 Bluetooth Address 000195164 51 Mode MODEO Information Device Name PSD100v1 0 0 164C51 Option Device Setting Other Bluetooth Devices can discover this Parani Inquiry scan B Allow other Bluetooth Devic
22. ECT 1122334455667 ZOK ZERROR Wait for connection by the Bluetooth device with given BD address Parameters 112233445566 BD address to time duration in seconds Description Parani ESD will wait to be connected to by the Bluetooth device with the given BD address If the parameter of to is 0 it will wait forever When connection is made with the Bluetooth device response will be CONNECT with its BD address If there is no connection made within this time duration response is ERROR and the operation status becomes to Standby Example AT BTSCANO000B530011FF 30 B 3 20 ATD Response CONNECT 1122334455667 or ERROR Connect to the last connected Bluetooth device Description Parani ESD saves the BD address of the Bluetooth device most recently connected to If it fails to make a connection response will display an ERROR B 3 21 112233445566 lt Response CONNECT 1122334455667 ERROR Connect to a specific Bluetooth device with a given BD address 112233445566 BD address Description Parani ESD attempts to connect to the Bluetooth device with the given BD address To make successful connection the Bluetooth device must be in Page scan mode This attempt continues for 5 minutes If it fails to make connection response is ERROR Example ATD000B530011FF 46 B 3 22 ATA Response ZOK Start ACL Open Connect Suc
23. Factory Reset Button Figure 2 1 The Panel Layout of Development Board 2 2 Connecting the Hardware This section describes how to connect the Parani ESD to the Development Board and the Development Board to the serial device for initial testing Connect the Parani ESD to the Development Board Connect a power source to the Development Board for the Parani ESD Connect the Development Board for the Parani ESD to a serial device 2 2 1 Connecting Parani ESD to Development Board Connect the Parani ESD to the Development Board as shown below Figure 2 2 Connecting Parani ESD to Development Board 2 2 2 Connecting Power to Development Board Connect the power plug to the power connector of the Development Board for the Parani ESD using the DC power adapter or USB power cable that is included in the package Figure 2 3 Connecting Power to Development Board 10 2 2 3 Connecting a Device to Development Board Connect the serial data cable between the Development Board and the serial device If necessary supply power to the serial device attached to the Development Board d Oa Lex Figure 2 4 Connecting a Device to Development Board 11 3 Configuration 3 1 Operation Modes In addition to the serial port configurations the Parani ESD requires also includes some settings for Bluetooth For getting the most out of Parani ESD user should understand the following Bluetooth connection schemes A Bluetoo
24. List 2 Rte td et rte t ptt Ud Ee P Pe giga 7 1 2 1 Single Bulk Unit Package te rite Deren 7 1 2 2 Starter us 7 1 3 Prod ct SpecifICatiOn x tiec ete Pri En he IRR 8 2 Getting Started 9 2 1 Panel EayoUt cite Eee uet ee edv ee Sa ae ere ra ael ee aerae EE eua 9 2 2 Corinecting the Hardware rne dra ie dau ed a ATEA 9 2 2 1 Connecting Parani ESD to Development Board sess 10 2 2 2 Connecting Power to Development 10 2 2 3 Connecting a Device to Development 11 3 Configuration 12 3 1 Operation Modes ra atem esie m ate nien 12 23 2 Serial POMS Ss xti MIR NEI mS 13 EET 13 3 4 Hardware Flow Control 13 3 5 Remote ConfigutatiOn ERROR sensei nes 13 3 6 Software and Utility ain eh eee ep t dede eee ee epe 14 ParaniMe i ius coe ed A doeet tede cede 14 3 8 ParaniM IZatd eee te da e ee Cp TR de dede oa de ee tede m Tee sce ce ane eee ded 20 3 9 Parani Muti Wizard ide d ec ced d nee n uad deep eee eet 24 ParaniUpddters ieee nev ae ee 25 3 11 Terminal Prograin rne og een ein Ge a ee 26 4 Multiple Conn
25. OR CONSEQUENTIAL DAMAGES WHETHER IN AN ACTION IN CONTRACT OR TORT INCLUDING NEGLIGENCE AND STRICT LIABILITY SUCH AS BUT NOT LIMITED TO LOSS OF ANTICIPATED PROFITS OR BENEFITS RESULTING FROM OR ARISING OUT OF OR IN CONNECTION WITH THE USE OF FURNISHING OF EQUIPMENT PARTS OR SERVICES HEREUNDER OR THE PERFORMANCE USE OR INABILITY TO USE THE SAME EVEN IF SENA OR ITS DEALER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT WILL SENA OR ITS DEALERS TOTAL LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT E 3 HARDWARE PRODUCT WARRANTY DETAILS WARRANTY PERIOD SENA warranties embedded hardware Product for a period of one 1 year and external hardware Product for a period of three 3 or five 5 years according to the Product type WARRANTY PROCEDURE Upon return of the hardware Product SENA will at its option repair or replace Product at no additional charge freight prepaid except as set forth below Repair parts and replacement Product will be furnished on an exchange basis and will be either reconditioned or new All replaced Product and parts become the property of SENA If SENA determines that the Product is not under warranty it will at the Customers option repair the Product using current SENA standard rates for parts and labor and return the Product at no charge in or out of warranty WARRANTY EXCLUSIONS Damages caused by Accidents falls objects striking the SENA product Operating the Product in environments
26. Parani ESD100V2 110V2 User Guide Version 2 0 5 2012 01 18 User Guide for the Parani ESD100V2 110V2 Version 2 0 5 Firmware version 2 0 X Printed in Korea Copyright Copyright 2008 2012 Sena Technologies Inc All rights reserved Sena Technologies reserves the right to make changes and improvements to its product without providing notice Trademark Parani is a trademark of Sena Technologies Inc Windows is a registered trademark of Microsoft Corporation Ethernet is a registered trademark of XEROX Corporation Notice to Users When a system failure may cause serious consequences protecting life and property against such consequences with a backup system or safety device is essential The user agrees that protection against consequences resulting from system failure is the user s responsibility This device is not approved for life support or medical systems Changes or modifications to this device not explicitly approved by Sena Technologies will void the user s authority to operate this device Precautions and Safety Electricity Use only the supplied AC adapter Use of unauthorized power adapter is not recommended Electrical shock may result Do not kink or crease the power cable or place heavy objects on the power cable Fire can result from damaged power cables Do not handle power plug and adapter with wet hands Electrical shock may result Immediately power off the product and unplug the AC adapter if sm
27. Parity HAW Flow control Don t use REFRESH Figure 3 3 Information Window 15 Serial port settings can be changed by lt Start Configuration gt and lt ParaniWIN Configuration gt of ParaniWIN in the menu bar at upper left corner of the window without re running the ParaniWIN program Serial port was open COM 1 9600 No Parity One Stopbit ParanivvIN Start Configuration ParaniWIN configuration Device Name Device Bluetooth Address Current Mode Infomation Figure 3 4 Menu Bar at Upper Left corner of ParaniWIN When the ParaniWin software is able to access the Parani ESD properly the icons in the left side window come will become available for use In device configuration window hardware reset can be executed or operation mode and RS232 can be configured as well Security option also can be configured in this window Serial port was open COM 1 9600 No Parity One Stopbit ParaniWIN 4 Hard Reset Return Parani SD ESD to factory default setting Infomation Operation Mode MODED Standby status for Bluetooth connection C MODE1 This Parani SD ESD shall connect to the last connected device only Device Setting C MODE2 This Parani SD ESD shall be connected from the last connected device 3 Connection out MODES Allow any Bluetooth devices discover connect to this Parani SD ESD Device Setting RS 232 Device Name B PSDv3b 1667C6 e Baud Rate 9600 X Connecti
28. SCONNECT B 1 3 Operation Mode Mode Description 000000000000 Waiting for AT commands Modet Attempting to connect to the last connected Bluetooth device 2 Waiting for a connection from the last connected Bluetooth device Mode3 Waiting for the connection from another Bluetooth device B 1 4 Operation Status B 1 5 Security Authentication Pin Code or Pass key Encryption Data encryption B 1 6 Symbols The symbols are used for the description of command syntax as follows 40 FS uem Norm m E B 2 Command Category Command Category RESET SERIAL PORT AT AT UARTCONFIG b p s h 1 2 3 4 BLUETOOTH Information 5 AT BTINFO 6 AT BTINQ 7 AT BTLAST 8 AT BTVER 9 AT BTRSSI n 10 AT MLIST 11 12 13 AT Commands ATZ AT amp F Mode AT BTMODE n AT MULTI n Status AT SETESC nn ATO AT BTCANCEL AT BTSCAN AT BTSCAN n to AT BTSCAN112233445566 to ATD112233445566 ATA ATA112233445566 ATH AT BTKEY string AT BTSD AT BTCSD AT BTFP n AT BTSEC a e 21 22 23 24 25 26 27 28 29 Miscellaneous 30 AT BTNAME string 31 AT BTLPM n 32 33 34 35 36 Connection Security S REGISTER AT amp V ATSnn REMOTE CONFIGURATION ATSnn mm 41 AT PASS nnnnnnnn AT CHPASS 7 nnnnnnnn B 3 Command Description B 3 1 ATZ Software Reset Description This has the same effects as Power
29. address Device name Operation mode Operation status Authentication Data Encryption and Hardware Flow 42 Control The initial value of Device name is ESD100V2_v2 0 0 445566 ESD stands for Parani ESD v2 0 0 for the version of firmware and 445566 for the last 6 digits of BD address Mode MODEO MODE 1 MODE2 MODES3 Status STANDBY PENDING CONNECT Auth 0 1 Authentication is not activated when 0 Encrypt 0 1 Encryption is not activated when 0 FlowControlZ HWFC NoFC 000B530011FF SENA MODEO PENDING 1 1 HWFC B 3 6 AT BTINQ Response 112233445566 FriendlyName CoD 112233445566 FriendlyName CoD 112233445566 FriendlyName CoD OKT Search Bluetooth devices nearby Description The Bluetooth devices in Inquiry scan mode nearby are displayed with their BD addresses Device names and Class of device Maximum 15 devices are scanned for 30 seconds Default 15 value in S register 24 3 7 AT BTLAST Response 2112233445566 Display the BD address of the last connected device The Bluetooth device last connected to this Parani ESD is displayed with its BD address B 3 8 AT BTVER Response ESD100V2 v2 0 02 ZOK Purpose Display device firmware version Description Display device firmware version B 3 9 AT BTRSSI n Single Connection Mode Only Response 20 255 0 0 repeatedly Test signal strength Parameters n 0 Stop signal strength test n 1 Start signal strength test standi
30. cess ACL connect to the last connected Bluetooth device Description If it make connection response will display an ACL Connect Success Must have reboot for new ACL connection B 3 23 ATA112233445566 Response ZOK Start ACL Open Connect Success ACL connect to a specific Bluetooth device with a given BD address 112233445566 BD address Description Parani ESD attempts to ACL connect to the Bluetooth device with the given BD address To make successful ACL connection the Bluetooth device must be in Page scan mode If it make connection response will display an ACL Connect Success Must have reboot for new ACL connection Example ATA0001950011FF B 3 24 ATHH ATHx ATHbdaddr Response DISCONNECT Purpose Release the current connection Description The current Bluetooth connection will be disconnected It takes about Supervision Timeout S37 to detect an abnormal disconnection such as power off and moving out of service range In multiple connection modes a specific connection can be specified to be disconnected by specifying the connection number or the Bluetooth address The response message of DISCONNECT may be displayed on disconnection depending on the disconnection condition You can make it not displayed using S10 register ATH ATH3 ATH000195000001 B 3 25 AT BTKEY string string New pin code Default 1234 Description Pin code is a string which allows
31. change these S registers Change the value of S register only in Standby status Turn Parani ESD off and on 1 1 Force to Reconnect default 1 51 0 Parani ESD Mode1 does not try to reconnect when disconnected 51 1 Parani ESD in Mode1 keeps trying to reconnect when disconnected C 2 S3 Stream UART Policy default 0 53 0 the priority of UART streaming is throughput 53 1 the priority is latency which minimizes the delay of data transmission This is useful in case of transmitting very small data quickly When this value is 1 in order to minimize latency Parani ESD sends the received data immediately When this value is 0 the Parani ESD maximizes throughput the Parani ESD stores received data for a short time and sends a large data packet If the packet length is less than 100 bytes having latency being the priority is recommended If the packet length is more than 100 bytes having throughput as the priority is recommended Also if you want to use high baud rate throughput priority will be more effective Just for reference the buffer length for receiving data is 2 Kbytes C 3 S4 Enable Remote Name Query default 1 54 0 Parani ESD will query only the BD address This speeds up the inquiry process 54 1 Parani ESD will query the BD address device name and class of device When this value is 1 Parani ESD finds not only BD address but also friendly name When this value is 0 Parani ESD finds only BD address W
32. chnical Regulations for Specified Radio Equipmen Article 2 Section 1 19 Certification No 010 0022 5 5 SIG QDID B015896 Core Spec Version 2 0 2 0 EDR Listing Date Septmber 24 2009 33 6 RF Information 6 1 Radio Frequency Range 2 402 2 480GHz 6 2 Number of Frequency Channel 79 channels 6 3 Transmission Method FHSS Frequency Hopping Spread Spectrum 6 4 Modulation Method 1Mbps GFSK Gaussian Frequency Shift Keying 2Mbps 4 DQPSK pi 4 rotated Differential Quaternary Phase Shift Keying 3Mbps 8DPSK 8 phase Differential Phase Shift Keying 6 5 Radio Output Power Products Radio Output Power Parani ESD100V2 18dBm Parani ESD110V2 18dBm 6 6 Receiving Sensitivity Products Receiving Sensitivity Parani ESD100V2 90dBm Parani ESD110V2 90dBm 6 7 Power Supply Parani ESD100V2 DC3 3V Parani ESD110V2 DC3 3V 34 Appendix A Connections A 1 Pin Assignment 1 1 Parani ESD100V2 110V2 V1 ytd PairingDCD DSR DTR RST GND E GND TXD RXD RTS CTS VDD 6 QG 9 2 22556 Figure A 1 Pin Assignment of Parani ESD Table A 1 Pin Assignment of Parani ESD rine oem di Stale e ro owe L3 ats Ls ors 7 Ls owe omes ro
33. cycling the unit This command disconnects any connected Bluetooth device and stops ongoing tasks After rebooting the status will be decided by the preset operation mode Some AT commands require the ATZ command be run so that the commands can take effect 3 2 Description This has the same effect as initialization by pressing the factory reset button All parameters are initialized to factory defaults B 3 3 Check the connection status with host equipment Description Check if the connection to host equipment is operating normally The serial parameters of Parani ESD must be same as those of host equipment If not the Parani ESD will not respond or ERROR message will appear or an abnormal sequence of strings will appear 3 4 AT UARTCONFIG Baudrate Parity Stopbit Hwfce Set Serial parameters Parameters Baudrate 1200 2400 4800 9600 1 4400 1 9200 38400 57600 115200 230400 460800 921600 Default 9600 Parity N E O Default N Stopbit 1 2 Default 1 Hwfc Hardware Flow Control 0 1 Default 1 Description The Serial parameters can be set or changed The factory default is 9600 N 1 1 To take effect the ATZ command must be used or Powercycle the unit Example AT UARTCONFIG 115200 N 1 1 B 3 5 AT BTINFO 4112233445566 DeviceName Mode Status Auth Encryp FlowControlz 0 Display Bluetooth settings Description The current Bluetooth settings are displayed including BD
34. e ParaniUpdater you can update the firmware of Parani ESD by selecting the firmware image file and pushing Start button Note DO NOT power off Parani ESD while the firmware update is progressing this may damage the Parani ESD 25 ParaniUpdater COM Pot COMI v None z BaudRate 9600 Y StopBit Please select the file to be downloaded Total progress Current Operation Figure 3 21 ParaniUpdater Window 3 11 Terminal Program A terminal program is typically an application that will enable a PC to communicate directly with a modem If you are using Windows 98SE or higher version of Windows HyperTerminal program is included as part of the operating system Parani ESD provides some extended AT commands for configuration of the Parani ESD This manual will explain the method using HyperTerminal If you need to install HyperTerminal click start gt setting gt control panel gt add remove programs For more precise details on HyperTerminal installations please refer to Microsoft Windows Help section Attach Parani ESD to serial port of host computer and power on the unit Launch HyperTerminal It can be found in start menu gt programs gt accessories communication gt HyperTerminal Select the Serial port that Parani ESD will be connected to Input the same settings into Serial port configuration window as Parani ESD settings Select the Serial port setting in the window displayed please make
35. earby the connection time may increase Step 5 At this point your pair of Parani ESD is configured to make automatic connection to each other You can now use this pair of Parani ESD s like virtual serial cable Note During the pairing process by way of the pairing signal the Command Response will be deactivated Thus the Parani ESD will not send the response messages such as OK Connect and Disconnect Table A 2 Pairing Process by Pairing Signal signal 3 Restore Mode3 HIGH 3 Restore Mode3 HIGH E signal pairing signal 5 Restore Mode1 pairing signal 6 Connected HIGH 6 Connected HIGH Using pairing button users can make a pairing connection between a Parani ESD unit and other Bluetooth devices Step 1 Turn on ESD1 and do factory default by using RST signal Step 2 Set the pairing signal of ESD1 to a low state and hold the signal for 2 seconds Step 3 Users can discover and connect to ESD1 by using the software or user interface of other Bluetooth device that they want to connect from Step 4 Wait for ESD1 amp other Bluetooth device to connect to each other It may take about 10 seconds to make a connection If there are many Bluetooth devices nearby the connection time may increase Step 5 Now ESD1 is waiting for a connection from the last connected Bluetooth device The last connected Bluetooth device can connect to ESD1 36 Table A 3 Pairing Process with other Bluetooth device by Pairing Signa
36. ection Mode 28 OVENVIOW MN C PEU IU LIUM 28 4 2 C ontiguratio Mae IDE 29 COMMANGS ii a a e EE bees e uer Ern 30 Cmm 30 4 3 2 X TEMDUIST ne br 30 4 33 otto 30 4 3 4 time oett nenatis 30 LE Mel c EC MEM 31 5 Approval Information 32 XM Ge as ELM 32 5 1 1 Compliance Statement enne nennen 32 5 1 2 RF Exposure Statement esee nennen nennen entente nes 32 pko DONO RR 32 Po es 32 BOHR O ETE LIT 33 E MM ict AE A A E 33 EE E AE A E A EAE 33 6 RF Information 34 6 1 Radio Frequency d pte Dee te e ed Pe Re e dat 34 6 2 Number of Frequency lt 34 6 3 Transmission Method eerte teretes iet deci ned gu 34 6 4 Modulation Methods visas ec e e n eei te eee RS 34 6 5 Radio Output POWs 34 6 6 Receiving SensillVity eet E eet e etit o ete taret coi 34 0 7 Power Supply 3 i iae excep iba ERE e ERR Ade beat 34 Appendix A Connections 35 AA Pini Assignmeoent
37. er When Disconnected default 0 12 0 Parani ESD does not clear the data buffer received from host system when disconnected 512 1 Parani ESD clears the data buffer when disconnected C 8 13 Enable DCD Signal default 1 1320 DCD signal off 13 1 DCD signal 9 514 Enable DTR Transfer default 1 14 0 DTR DSR signal is transferred in loop back fashion 14 1 DTR signal is transferred to DSR of remote device 10 15 Enable Disconnect by default 0 15 0 DTR signal cannot release the connection 15 1 The Bluetooth connection can be released when DTR signal is off This value decides whether Bluetooth connection is released when DTR signal drops or not If this value is 1 you can use DTR signal in order to disconnect Bluetooth connection C 11 S22 Faster Connection default 3 22 0 522 1 page scan 22 2 inquiry scan 22 3 page inquiry scan Connecting time is average 1 5sec faster than normal mode C 12 S23 Intercharacter Timeout Setting default 0 23 0 Not used 23 1 1 x S26 23 2 10 x 26 23 3 100 x S26 C 13 S24 Maximum Number of Inquiry Result default 15 The maximum number of inquiry list can be controlled This value is up to 15 C 14 S26 Intercharacter Timeout default 0 This value describes time interval between characters used to separate the data from serial port If there is no more data coming from serial port in this value data
38. es to Connect Page scan Connection out Seconds for waiting connection B s If you set the time for waiting connection to D it will wait infinitely Connection in Second Connection Wizard Status Waiting Connection Figure 3 8 Connection in Window If the Connection Wizard icon is clicked an easy to use pairing menu will appear Serial port was open COM 1 9600 No Parity One Stopbit Parani WIN 1 4 Factory reset and push START button Infomation Device Setting Factory Reset Restart START q Master Slave Bluetooth Address Bluetooth Address Connection out e RS232 S Baud Rate 9600 Baud Rate 9600 Parity None Y Parity None Y wh Stop Bit 1 M Stop Bit fi Hardware Flow Control Hardware Flow Control C ON OFF ON OFF AT Response Response ON C OFF C ON OFF Figure 3 9 Connection Wizard Window In this example we will refer to the two Parani ESDs as ESD1 and ESD2 respectively To use this menu please do the following Step 1 Connect ESD1 and then push the START button Step 2 Disconnect ESD1 connect ESD2 and then push the Next button after setting up Slave configuration Step 3 Disconnect ESD2 once again connect the ESD1 and then push the Finish button The pairing 19 configuration should be completed Make sure that each Parani ESD s connect LED is
39. hen set to 0 this will make queries much faster When using the pairing button finding friendly name will be omitted automatically C 4 S6 Enable Low Power Mode default 0 56 0 deactivate Low Power Mode 56 1 activate Low Power Mode This value decides whether Parani ESD works in Low Power Mode or not When this value is 0 Parani ESD works only in active power mode When this value is 1 Parani ESD will be in low power mode to save the power Therefore it takes a few seconds to wake the Parani ESD out of low power mode C 5 810 Enable Response Message default 1 1020 Parani ESD does not send response messages to the host system 510 1 Parani ESD sends response messages to host system This value decides whether Parani ESD sends response messages such as OK ERROR CONNECT DISCONNECT or not When this value is 0 Parani ESD will not send any response messages If the response messages conflicts with your host programs or devices that is connected to Parani ESD change this value to 0 C 6 511 Enable Escape default 1 1120 Parani ESD does not allow escape sequence characters The operation status of Connect cannot be changed to Standby Since the Parani ESD skips the process of detecting escape 52 sequence characters more efficient data transmission can be had 11 1 Parani ESD allows for the escape sequence character Whenever it is needed the Connect status can be changed to Standby C 7 12 Clear Data Buff
40. is sent to client 523 1 x S26 50 Timeout gt 50msec 523 2 x S26 50 Timeout gt 500msec 23 3 26 3 Timeout gt 300msec 53 Inter Character Time Out Optimal Value S23 x S26 50ms 180 100ms 235 200ms 340 When 10 bytes data are sent every intercharacter timeout they are sent separately by 10 bytes at the optimal value If the intercharater timeout is set below the optimal value the data will be put together and sent by 20 30 40 bytes or more C 15 S28 Escape Sequence Character default 43 The decimal number of the ASCII code of escape sequence character can be controlled The initial value is 43 the ASCII code of C 16 S31 Page Timeout default 20 This is the timeout in seconds to attempt connection with the ATD command After this timeout expires the Parani ESD will restart automatically If this value is 0 Parani ESD will attempt to connect without restarting It must set at 5 second units C 17 S33 Inquiry Timeout default 30 This is the timeout in seconds to execute inquiry scan C 18 S37 Supervision Timeout default 5 This is the timeout to presume disconnection which is set to 5 seconds initially The smaller the value becomes the more quickly Parani SD can detect an abnormal disconnection But when the communication is suspended it may be regarded as disconnection This value should be greater than the Slave Disconnect Timeout S57 Slave unit depe
41. l Es Status Pairing Signal Other Bluetooth Deivce Status 3 Inquiry and connect to ESD1 4 Connected HIGH 4 Connected A 2 Connection Diagram A 2 1 Parani ESD100V2 110V2 A 2 1 1 When TTL level of MICOM is 3 3V MICOM PARANI ESD CRO VDD VDD CO CO DCD RXD CO CO CO CO CO CO 37 A 2 1 2 When TTL level of MICOM is 3 3V and Hardware Flow Control is not used PARANI ESD MICRO vDO VDD DCD MICOM TXD RXD MICOM RXD LJ TXD CTS MICOM GNDJ A 2 1 3 When TTL level of MICOM is 5V DC5V DC 3 3V PARANI ESD VDD DCD RXD 38 ESD RXD MICOM TXD R1 R2 68K 115K ESD CTS MICOM RTS R3 R4 68K 15K ESD_DSR MICOM DTR R5 R6 68K 15K MICOM RXD ESD TXD MICOM CTS ESD RTS MICOM DCD ESD DCD MICOM DSR ESD DTR ESD_RST MICOM RST 68K 115K gt 39 Appendix B AT Commands B 1 Terminology B 1 1 AT Command AT command set is a in fact standard language for controlling modems The AT command set was developed by Hayes and is recognized by virtually all personal computer modems Parani ESD provides the extended AT command set to control and configure the serial parameters and Bluetooth connection B 1 2 AT Response Parani ESD replies to AT commands with 4 kinds of message OK ERROR CONNECT and DI
42. me S registers are optimized for the overall performance and protected and cannot be changed When users try to change these S registers response is ERROR For details of S register refer Appendix B B 4 Command Validity AT Command Operation Status oo 88 o m LL me BL m LL arenas SCE dP dT LLL LL 01 0 0 010101010 50 AT BTCSD AT BTFP n AT UARTCONFIG b p s h AT BTRSSI n AT PASS nnnnnnnn AT BTVER AT CHPASS nnnnnnnn Valid only when Parani ESD is not connected to other Bluetooth device Valid only when Parani ESD is connected to other Bluetooth device 51 Appendix C S Register S registers contain 52 parameters for the Parani ESD These are stored in flash memory and the values will be saved unless hardware reset is executed The value of S register can be accessed and changed with ATS command Some S registers not shown below are set to maximize the performance of Parani ESD Thus it is not recommended to
43. n then converts the operation status to Standby B 3 17 Response CONNECT 1122334455667 Wait for inquiry and connection from other Bluetooth devices Description This allows the inquiry and connection from the other Bluetooth devices The operation status will be in Pending after this command When connection is made and released the operation status is back to Pending To convert the operation status to Standby AT BTCANCEL must be used This has the same effect as AT BTSCAN 3 0 When connection is made with other Bluetooth device response will be CONNECT with its BD address B 3 18 AT BTSCAN n to Response CONNECT 1122334455667 or ZOK ERROR Wait for inquiry and connection from other Bluetooth devices for a given duration Parameters n 1 Allows Inquiry scan n 2 Allows Page scan 45 n 3 Allows both of Inquiry scan and Page scan to Time duration in seconds Description For the given to Parani ESD is waiting for the inquiry and connection from other Bluetooth devices If the parameter of to is 0 it will wait forever When connection is made with other Bluetooth device response will be CONNECT with its BD address If there is no connection made within this time duration response is ERROR and the operation status becomes to Standby Example AT BTSCAN 2 30 B 3 19 AT BTSCAN112233445566 to Response CONN
44. nds on the value of master unit C 19 43 COD default 001F00 This value describes the sort of the bluetooth device and is editable C 20 S44 COD Filter default 0 This value is used to filter the sort of the bluetooth devices on inquiring All the bluetooth devices are inquired in case of 0 In case of 3E0100 bluetooth devices with COD 3E0100 are inquired C 21 S45 Inquiry Access Code default 0x9E8B33 Inquiry access code is used during inquiry state The reserved IAC addresses Ox9E8BO00 Ox9E8B3F The general inquiry IAC is OX9E8B33 Parani ESD is able to find the Bluetooth devices that are configured as the same IAC C 22 S46 BD Address of Last Connected Device This saves the BD address of the Bluetooth device connected most recently in single connection mode This saves the Task1 BD address of the Bluetooth device connected most recently in a multiple connection mode 54 C 23 S48 Low Power Max Interval default 5000 This is the max interval value to use low power mode which is set to 5000 initially 5000 x 625 3125msec C 24 S49 Low Power Min Interval default 4500 This is the min interval value to use low power mode which is set to 4500 initially 4500 x 625 2812msec A small interval increases power consumption a large interval increases latency C 25 S52 Low Power Timeout default 5 This is the low power timeout value which is set to 5 initially bsec During
45. ng AT BTRSSI 1 0 255 0 0 Description When Bluetooth connection is established you can use this command in Standby status The signal strength will be displayed repeatedly in order of Status LinkQuality Status RSSI If the LinkQuality is close to 255 and RSSI is close to 0 the signal strength is in good 43 B 3 10 AT MLIST CURRENT MODE SINGLE CONNECTION 40K Display the current multiple connection mode and connected slave s Bluetooth addresses Description Display current mode SINGLE CONNECTION MODE MULTI DROP MODE NODE SWITCHING MODE and connected slave Bluetooth address AT MLIST CURRENT MODE MULTI DROP MODE TASK1 000195000001 TASK2 DISCONNECT TASK3 DISCONNECT TASK4 000195000004 B 3 11 AT BTMODE n Set operation mode Parameters n 0 MODEO Default n 1 MODE1 n 2 MODE2 n 3 MODE3 Description When the operation status is Pending currently change the status to Standby with AT BTCANCEL prior to this command To take effect the ATZ must be executed or Powercycle the unit AT BTMODE 2 ATZ B 3 12 AT MULTI n Set multiple connection mode Parameters n 0 Single Connection Mode Default n 1 Multi Drop Mode n 2 Node Switching Mode Set single connection mode multi drop mode or node switching mode 3 13 Convert the operation status of Connect to Standby that Parani ESD holds data transmission when i
46. ng D 2 1 Hardware Flow Control When transmitting large amounts of data with No Hardware Flow Control Parani ESD may clear the data buffer unexpectedly The possibility becomes greater as the RF transmission environment becomes worse D 2 2 Response Message AT response messages from the Parani ESD may affect the host system unexpectedly Do not use Parani ESD If your applications cannot allow for this wireless time delay D 3 Transmission Delay D 3 1 RF Processing Delay It takes 30msec approximately for a Parani ESD to complete a data transmission to the other Bluetooth device This time delay cannot be reduced and may enlarge as the RF transmission environment becomes worse Do not use Parani ESD If your applications cannot allow for this time delay D 3 2 RF Transmission Environment If there are many Bluetooth devices working in a small area and or the RF communication distance is too great and or there are some obstacles affecting RF performance the Parani ESD repeats the transmission packet by packet due to interferences and or low RF performance This may lead to increased data transmission time delays 57 Appendix E Warranty E 1 GENERAL WARRANTY POLICY Sena Technologies Inc hereinafter referred to as SENA warrants that the Product shall conform to and perform in accordance with published technical specifications and the accompanying written materials and shall be free of defects in materials and workmanship
47. no data transmission in the timeout Parani ESD will be in low power mode to save the power Therefore it takes a few seconds to wake the Parani ESD out of low power mode C 26 S54 BD Address of Last Connected Device This saves the Task2 BD address of the Bluetooth device connected most recently in a multiple connection mode C 27 TS55 BD Address of Last Connected Device This saves the Task3 BD address of the Bluetooth device connected most recently in a multiple connection mode C 28 S56 BD Address of Last Connected Device This saves the Task4 BD address of the Bluetooth device connected most recently in a multiple connection mode C 29 S57 Slave Disconnect Timeout default 3 This S57 register value defines the time period in seconds that a master unit waits in case a slave unit does not receive the data sent from the master For this time period the master unit will not send data to all slave units if any slave unit does not receive the data If the slave unit does not receive the data after this time period elapses the master unit will disconnect the connection with the problematic slave unit The value should be greater than 0 and smaller than the Supervision Timeout S37 C 30 S58 MAX TX POWER default 0 This value describes the peak output power Setting this causes rebooting and applying There is a little deviation according to the devices Parameter dBm Use chip setting 12 8 4
48. oke or odors emit from the product and adapter Fire can result from improper use Immediately power off the product and unplug the AC adapter if water or other liquids are present Fire can result from improper use Product Parani ESD100V2 110V2 meets the RS 232 standards Do not wire with non standard products Damage to your products may result from improper use Do not drop or subject the device to impact Damage to your products may result from improper use Keep away from harsh environments including humid dusty and smoky areas Damage to your products may result from improper use Do not use excessive force on the buttons or attempt to disassemble the device Damage to your products may result from improper use Do not place heavy objects on the product Damage to your products may result from improper use Technical Support Sena Technologies Inc 210 Yangjae dong Seocho gu Seoul 137 130 Korea Tel 482 2 576 7362 Fax 482 2 573 7710 E Mail support sena com Website http www sena com Revision History Revision Date Description V1 0 0 2009 09 29 Initial Revision History V2 0 3 2010 09 03 Update Table 3 3 V2 0 4 2011 01 31 Jh Park Add remote configuration V2 0 4 1 2011 12 26 Package does not contain CD ROM V2 0 5 2012 01 18 Jh Park Modify contents about page timeout and node switching mode Contents 1 Introduction 7 1 OWERVIOW 7 1 2 Check
49. ommunicating with slave of BD 000195000003 28 4 2 Configuration All the slaves should be in the status of waiting for connection either in Mode 2 or Mode 3 and the master unit tries to connect to the slave units The master unit needs to be configured to work in a multiple connection mode using AT MULTI x command which makes master reboots after execution Table 4 1 AT MULTI O Single Connection Mode AT MULTI 1 Multi Drop Mode AT MULTI 2 Node Switching Mode Table 4 2 Configuration of a Multiple Connection Mode Manual Connection Automatic Connection 000195000001 000195000001 000195000002 000195000002 000195000003 000195000003 OK ATD000195000004 CONNECT000195000004 546 000195000001 OK ATS54 0001 95000002 OK ATS55 0001 95000003 OK ATS56 000195000004 OK AT MULTI 1 or AT MULTI 2 OK AT BTMODE 1 After rebooted automatically master tries to connect to slaves After input the BD addresses of the slave units into 4 S registers S46 S54 S55 and S56 and then set operation mode as MODE1 users can use multiple connection function If S registers have available slaves address AUTO CONNECT message will be displayed following corresponding TASK TASK1 OK AUTO CONNECT TASK2 OK TASK3 OK AUTO CONNECT TASK4 OK 4 3 AT Commands 4 3 1 AT MULTI n Select a multiple connection mode Refer
50. on in Parity None Y Authentication Encryption ER StopBit gt Pin Code Connection Wizard I Command Respanse ON C OFF Security Option Note The device isnt set up to AT command mode The RS 232 configuration menus are inactive The device with Dip switchs cannot be set up to SW flow control Apply Figure 3 5 Device Setting Window Parani ESD supports two security options Authentication and Encryption If you check the Authentication option you must also enter the Pin Code value If the authentication is activated the connection only between the Master and Slave device that share the same Pin Code is established Parani ESD supports two security options Authentication and Encryption If you enable the 16 Authentication option you must also enter a Pin Code value If the authentication is enabled the connection between the Master and Slave device must share the same Pin Code In case that Parani ESD connects to another Bluetooth device that requires authentication you must know the other device s Pin Code In general most Bluetooth devices have a pincode of 1234 or 0000 If you check Encryption option the Parani ESD will encrypt packets and sent to the device The Encryption options works well in case that only one of the devices between Master and Slave use the Encryption option Parani ESD has 4 response messages OK ERROR CONNECT and DISCONNECT In some cases these
51. p Parani ESD1 to go Auto connection mode Figure 3 17 ParaniWizard Step 8 Remove the ESD2 from the host computer and plug ESD1 into the serial port again Set the operation mode of ESD1 to Mode2 23 ParaniWizard Step 9 of 9 Auto connection mode has been successfully configured Now Parani ESD1 and Parani ESD2 are paired and will be connected always even after repowered Please switch off both Parani ESDs and switch them on at the same time then both units will be connected automatically Cancel Figure 3 18 ParaniWizard Step 9 Now the configuration of ESD1 and ESD2 has been completed Now when the units are turned off and then turned on again they will make an automatic connection to each other 3 9 Parani Multi Wizard Parani Multi Wizard is the software tool for multiple connection mode configurations of the Parani SD and Parani ESD products Parani Multi Wizard v1 0 0 Serial Port Serial Port COMI Parity None Port Open Baud Rate 9800 Stopt Multiple Connection Mode Setting 1N Setting dei Node Switching Mode C2 Cc 13 14 Command Response Disable OK ERROR CONNET DISCONNET Message Message Port Open Check SD ESD Figure 3 19 Parani Multi Wizard Window 24 Parani Multi Wizard supports the Wizard mode and the Manual mode The Wizard mode provide the user step by step instruction
52. responses can affect the host system unexpectedly To prevent this user can set the Command response to ON or OFF Click Apply button to apply any changes made to the Parani ESD Connection out icon will show the following window to search and connect other Bluetooth devices Serial port was open COM 1 115200 No Parity One Stopbit ParaniWIN i Device Info d vice In Bluetooth Address 000195165865 Made MODEL Infomation Search Result Bluetooth Address Device Name Device Setting B 8 Connection in Search 10 E Define the number of nearby devices to be searched 5 Connect Connect to Specified devices Connection Wizard Drop the Connection Signal Strength Test gp Nate MUST push STOP button after startting on measuring Figure 3 6 Connection out Window Click Search button to search nearby Bluetooth devices Once several Bluetooth devices has been found select one of the devices and click the Connect button The selected Bluetooth device must be discoverable and connectable Click Disconnect button to cancel the connection After the connection has been established you will be able to test signal strength by pushing the START button 17 Serial port was open COM 1 115200 No Parity One Stopbit ParaniwIN i Device Info 42 Bluetooth Address 000195165865 Mode MODEL Infomation Search Result Bluetooth Address Device Name _ 000853200451 Parani100 020
53. rge the possibility of data loss becomes greater For large data transmissions the use of hardware flow control is highly recommended Not support flow control in Multi Drop Mode 3 5 Remote Configuration Parani SD1000 supports remote configuration After connecting to the Parani SD1000 through Bluetooth before sending any other character send three escape character default Then the Parani SD1000 will enter remote configuration mode and print Please Enter Password You have to enter the password with AT PASS command within 2 minutes After the password authentication you are able to enter any at command except ATH ATO ATD AT BTSCAN AT BTINQ and AT BTCANCEL The default password is 0000 and it is configurable with AT CHPASS command Example of remote configuration mode CONNECT 000195000001 Please Enter Password AT PASS 0000 Remote Configuration Enabled AT BTINFO 000195000001 SD1000v2 0 3 095515 MODEO CONNECT 0 0 HWFC 3 6 Software and Utility This configuration software and utility for firmware update is included with the product which also can be downloaded from http www sena com Table 3 3 Configuration Software oremwesrem 3 7 ParaniWIN ParaniWIN is a program that runs on Microsoft Windows for the configuration of Parani ESD Install ParaniWIN on your computer Plug a Parani ESD into the serial port of the computer and tu
54. rn on the power Run ParaniWIN UART Setting Please setup serial port for configuring Parani SD ESD Serial Port COMT BaudRate Parity None StopBit 1 B Figure 3 1 Serial Port Setting Set each option properly and click Confirm If the settings of the Parani ESD are different from the ParaniWin an error message will pop up If the Parani ESD is in the status of connection warning message will pop up Then the current connection can be cancelled by Disconnect button on the main window Serial port was open COM 1 9600 No Parity One Stopbit ParaniWIN d Device Info Bluetooth Address 000195164 51 Mode MODEO Infomation Search Result Bluetooth Address Device Name Device Setting Connection out m Connection in Parc 10 21 Define the number of nearby devices to be searched Connection Wizard Disconnect Drop the Connection Sensitivity Test START Note MUST push STOP button after startting on measuring Connect to Specified devices Figure 3 2 Main Window Serial port was open COM 1 9600 No Parity One Stopbit ParaniWIN d Device Name PSD100v1 0 0 164C51 Device Bluetooth Address 000195164C51 Current Mode MODED Current Status Standby Device Setting Security 3 Authentication Dont use Encryption Dont use Connection out Uart Setting B 5 Baud Rate 9500 Connection in Connection Wizard StopBit 3 One Stopbit Parity 2 No
55. s for multiple mode configurations To run the Wizard mode select Multiple connection mode setting and 1 N setting press Start button and follow the instructions Manual Setting SD ESD Info Friendly Name SD1000v2 0 0 095516 Bluetooth Address 000195095516 MODEO FlowControl ON Status STANDBY Authentication OFF Encryption OFF Command Response ON Check SD ESD Factory Reset Master Setting Multiple Connection Mode Setting C Node Switching Mode Slavel 00019508BAC7 Use Auto Fill Slave2 00019508BAC8 Use Slave3 00019546550 Use eves x Use Master Set Slave Setting Master Slave Set AT Command Response Disable OK ERROR CONNET DISCONNET Message Figure 3 20 Manual Setting Window In the Manual mode all settings for the multiple connection mode can be configured in one window If a Use field is unchecked or a slave address is entered as 000000000000 it is excluded from the Slave settings The Auto Fill button will load the existing multiple connection mode settings from the Parani SD ESD connected which can be useful when only some parts of the settings are changed If the AT Command Response Disable check box is checked on the AT command responses such as OK ERROR CONNECT DISCONNECT are suppressed 3 10 ParaniUpdater Parani ESD supports firmware updates You can download new firmware images for the Parani ESD at http www sena com With th
56. t discoverable in which ESD1 can be discovered and connected from the other Bluetooth device Remove ESD1 from the host computer remember to leave the ESD1 powered on Now plug ESD2 into the serial port of the host computer and power on the unit ParaniWizard Step 3 of 9 1 Parani ESD1 is wait connection mode mode3 Leave the Parani ESD1 take it out from this Parani ESD1 computer sure power is being supplied to the Parani ESD1 Now connect Parani ESD2 to this computer and supply power thereto Press the button below for WIZARD SETTING to be identical with Parani ESD2 Wizard Setting Figure 3 12 ParaniWizard Step 3 Click Wizard Setting button to configure the serial settings of ESD2 These settings must be same as those of the host system to which ESD2 will be used Click Next ParaniWizard Step 4 of 9 Let s make Parani ESD2 search and connect to Parani ESD1 Please check and press NEXT button Cancel Figure 3 13 ParaniWizard Step 4 21 Click Next after selecting check box ESD2 will then do a search nearby and search for Bluetooth devices for 30 seconds The program will show the Bluetooth devices with Device Address Device Name and CoD Class of Device ParaniWizard Step 5 of 9 To stop to search press Cancel Search Please select Parani ESD1 by its BD address in the list below and press CONNECT button 000195164C51 PSD100v1 0 0 164C51 000853
57. t encounters until receiving next character is an escape sequence character by default which is changeable by AT SETESC Description In Connect status data from host is transmitted to the other side Bluetooth device and any AT command is not accepted but this command which is not echoed on the screen When Parani ESD encounters a character from host it stops the data transmission and waits for next 2 characters If the next 2 characters aren t both it restart to transmit data including the first as well If not it converts the operation status to Standby If the data from host includes it will convert the operation status to Standby Notice 44 B 3 14 AT SETESC nne Change the escape sequence character Description Escape sequence character set to by default is changeable The parameter nn must be a printable character B 3 15 ATO ATOx ATObdaddr Convert the operation status of Standby to Connect Description You can convert the operation status of Standby to Connect ready to transmit data In Node Switching mode a specific slave can be specified to become an active connection by specifying the connection number or the Bluetooth address ATO ATO000195000001 B 3 16 AT BTCANCEL Terminate the current executing task Description This terminates a current executing task such as Inquiry scan and Page sca
58. th device can play a role as a master or slave Master tries to connect itself to other Bluetooth devices and slave is waiting to be connected from other Bluetooth devices A Bluetooth connection is always made by a pair of master and slave devices A slave can be in two modes Inquiry Scan or Page Scan mode Inquiry Scan mode is waiting for a packet of inquiry from other Bluetooth device and Page Scan mode is waiting for a packet of connection from other Bluetooth device Every Bluetooth device has its unique address called BD Bluetooth Device address which is composed of 12 hexa decimal numbers Parani ESD has 4 operation modes as follows Table 3 1 The Parani ESD Operation Modes Mode Description o In this mode there is no response when power on or software reset and Parani ESD is just waiting for AT command input Neither master nor slave is assigned to Parani ESD modeO User can change the configuration parameters of Parani ESD in this mode Parani ESD must be in ModeO when it is directly controlled by AT commands The factory default is set to ModeO Parani ESD tries to connect the last connected Bluetooth device Parani ESD in Mode is to be a master and tries to connect the last connected Bluetooth device Parani ESD always stores the BD address of the Bluetooth device to which Parani ESD has connected last When Parani ESD is initially used or after hardware reset there is no BD address stored in Parani ESD In this
59. to Table 4 1 for descriptions 4 3 2 AT MLIST It shows the current mode the connection status and the BD addresses of slaves at mlist CURRENT MODE MULTI DROP TASK1 000195000001 TASK2 000195000002 TASK3 DISCONNECT TASK4 000195000004 OK 4 3 3 ATHx ATHbdaddr Using the ATH command connections with all slaves or only connections with specific slaves can be disconnected selectively Table 4 3 ATH ATH Disconnect all the slaves ATHx ATH1 ATH2 ATH3 ATH4 Disconnect the slave which belongs to the TASK x ATHbdaddr 000195000001 Disconnect the slave with specified BD address 4 3 4 ATOx ATObdaddr Using the ATO command the communication status with the last active slave or a specific slave can be set to online only in Node Switching Mode Table 4 4 ATO ATO Communicate with the slave recently communicated ATOx ATO1 ATO2 ATO3 ATO4 Communicate with the slave which belongs to the TASK x ATObdaddr ATO000195000001 Communicate with the slave with specified BDaddress 30 4 4 Notes When large data exchange occurs in Multi drop mode without flow control enabled the master unit may experience data loss It may also experience occasional disconnections and or system rebooting especially when bi directional communication happens It is strongly recommended to perform extensive performance test before any real world field applications The master unit would try to connect all slave
60. up to 16 alpha numeric characters Based on this pin code Parani ESD generates a link key which is used in actual authentication process Example ATsBTKEY apple 47 B 3 26 AT BTSD Response 7112233445566 Display a list of Bluetooth devices sharing the same code Description Once a connection is made with a pin code Parani ESD saves the Bluetooth device with its link key generated by the pin code The connection to a device listed in Parani ESD can be made automatically without the authentication process The maximum number kept on the list is 7 B 3 27 AT BTCSDH Clear the list of Bluetooth devices sharing the same pin code Description This clears the list of Bluetooth devices linked with the same key in flash memory To take effect the ATZ command must be used or Powercycle the unit 3 28 Set generation of link key every time of connection Parameters n 0 Inactivate Default n 1 Activate Description If n is set to 1 Parani ESD asks for the pin code every time a connection is made This can be used to increase security 3 29 AT BTSEC Authentication Encryptione Set authentication and data encryption Parameters Authentication 0 Inactivate Default Authentication 1 Activate Encryption 0 Inactivate Default Encryption 1 Activate Description If the authentication is activated the pin code must be set by AT BTKEY command Data encryption cannot be used when a
61. uthentication is not enabled i e Authentication 0 and Encryption 1 will not work properly B 3 30 AT BTNAME S string Change device name string New device name Default ESDV2 v2 0 0 445566 Description Parani ESD can have a user friendly name for easy identification The name allows up to 30 alpha numeric characters Example My Parani ESD 48 B 3 31 AT BTLPM ne Set low power mode Parameters n 0 Inactivate Default n 1 Activate Description During no data transmission Parani ESD can be in low power mode to save the power It takes a few seconds to wake the Parani ESD out of low power mode B 3 32 Response S0 m0 S1 m1 Sn mne ZOK Display all the S registers Description All parameters are stored at S register in flash memory These values are sustained until hardware reset 3 33 AT PASS stringe Response Remote Configuration Enabled Input password in remote configuration mode string Password Default 0000 Input password for authentication in remote configuration mode B 3 34 AT CHPASS string string New password Example B 3 35 ATSnn Response valuez ZOK Display a given S register nn Address of S register A specific S register will be displayed 49 B 3 36 ATSnn mme Change S register value Parameters nn Address of S register mmz New value of S register Description So
62. y Even parity Odd parity Hardware Flow Control No Use The values in box are the factory default settings 3 3 Data Bit Parani ESD supports only 8 data bit In the case of 7 data bit and even odd parity use Parani ESD 8 data bit and none parity At this time master and slave are Parani SD Parani ESD or Parani MSP1000 series But 7 data bit and none parity is not support 3 4 Hardware Flow Control Parani ESD plugged into its host system transmits data from host to the other side Bluetooth device This data is saved temporarily in the internal buffer of Parani ESD and sent repeatedly until the transmission is completed packet by packet When the radio transmission condition is not good enough to send data promptly it can cause a transmission delay If the host sends more data when the buffer is full buffer overflow will make Parani ESD malfunction consequently In order to prevent this buffer overflow Parani ESD works as follows When using hardware flow control Parani ESD disables RTS so that it stops receiving any further data from the host when the buffer becomes full RTS will be re enabled again to begin receiving data from the host when the buffer has created more room for more data When hardware flow control is not being used the Parani ESD clears the buffer to secure room for the next data when the buffer becomes full This can mean a loss of data may occur As the transmission data becomes la
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