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© Microhard Systems Inc.

4

Important User Information (continued)

Regulatory Requirements

To satisfy FCC RF exposure requirements for mobile transmitting devices, a separation distance

of 23cm or more should be maintained between the antenna of this device and persons during

device operation. To ensure compliance, operations at closer than this distance is not

recommended. The antenna being used for this transmitter must not be co-located in conjunction

with any other antenna or transmitter.

This device can only be used with Antennas listed in Appendix C/D. Please contact Microhard

Systems Inc. if you need more information or would like to order an antenna.

WARNING

MAXIMUM EIRP

FCC Regulations allow up to 36dBm Effective Isotropic Radiated Power (EIRP). Therefore, the

sum of the transmitted power (in dBm), the cabling loss and the antenna gain cannot exceed

36dBm.

WARNING

EQUIPMENT LABELING

This device has been modularly approved. The manufacturer, product name, and FCC and

Industry Canada identifiers of this product must appear on the outside label of the end-user

equipment.

WARNING

FCCID: NS908P24
IC: 3143A-08P24

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.

Please Note: These are only sample labels; different products contain different identifiers. The

actual identifiers should be seen on your devices if applicable.

SAMPLE LABEL REQUIREMENT:

For n920S/F/BD Nano Series OEM

For n920T Nano Series OEM

FCCID: NS908P25
IC: 3143A-08P25

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.

FCCID: NS911P31
IC: 3143A-11P31

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.

For n2420

n920X2

FCCID: NS9N920X2
IC: 3143A-N920X2

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.

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Содержание n2420

Страница 1: ...Hz 2 4GHz Spread Spectrum OEM Modules Nano Interface Card Nano Motherboard Board Nano Enclosed Operating Manual March 2019 150 Country Hills Landing NW Calgary Alberta Canada T3K 5P3 Phone 403 248 002...

Страница 2: ...TED NO FUNCTIONAL WARRANTY Indemnification The Purchaser shall indemnify Microhard Systems Inc and its respective directors officers employees successors and assigns including any subsidiaries related...

Страница 3: ...s manual you will encounter not only illustrations that further elaborate on the accom panying text but also several symbols which you should be attentive to Caution or Warning Usually advises against...

Страница 4: ...ation 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 undesire...

Страница 5: ...nterval Values Misc Updates January 2011 Revision 2 6 Added additional TDMA modes December 2010 Revision 2 5 Updated Address June 2010 Revision 2 4 Added n2420 misc formatting May 2010 Revision 2 3 Mi...

Страница 6: ...24 3 4 MHX Development Board 26 3 4 1 MHX Development Board Mechanical Drawing 27 3 4 2 MHX Development Board Connectors Indicators 28 3 4 2 1 Front 28 3 4 2 2 Rear 30 3 5 Nano Motherboard Nano Enclo...

Страница 7: ...ask 63 S108 Output Power 63 S109 Hop Interval 64 S110 Data Format 65 S112 Packet Max Size 65 S113 Packet Retransmissions 65 S115 Repeat Interval 65 S116 Character Timeout 66 S118 Roaming 66 S119 Quick...

Страница 8: ...n of Antenna System Components 81 7 2 1 Antennas 81 7 2 2 Coaxial Cable 82 7 2 3 Surge Arrestors 82 7 2 4 External Filter 82 Appendices Appendix A AT Command Quick Reference 83 Appendix B Settings S R...

Страница 9: ...be used without access fees or recurring charges such as those incurred by cellu lar airtime transparent low latency link providing up to 1 2 Mbps continuous throughput communicates with virtually al...

Страница 10: ...7 dBm Fast 99 dBm Turbo Serial Baud Rate Up to 230 4 kbps Slow Fast Up to 3 2 Mbps Turbo Synchronous Link Rate 19 2 kbps to 1 3824 Mbps Core Voltage 3 3VDC Nominal 0 3V Current Consumption Dependent o...

Страница 11: ...Bulkhead Jan 2015 RP TNC Female Bulkhead Prior to Jan 2015 Data etc AVX Kyocera 5046 Series 60 pin board to board connectors Nano n920 OEM module 14 5046 060 630 829 Nano n2420 OEM module 14 5046 060...

Страница 12: ...on the Nano not the Diagnostics port Ensure you are connected to the correct port Open a HyperTerminal session for each Development Board connection and configure it as 9600 8 data bits no parity 1 s...

Страница 13: ...nt boards can provide a convenient evaluation platform or an in between end solution The Nano Series OEM module is typically complemented by interface circuitry e g power data interface for most appli...

Страница 14: ...tor The manufacturers part numbers are listed below or the mating connector is available directly from Microhard Systems AVX Kyocera Part Number 24 5046 060 600 829 Microhard Systems Inc Part Number M...

Страница 15: ...otherwise specified 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 NC NC NC CAN CAT6 Future CAN CAT3 Future CAT2 Future CAT1 Future Control RxD Contro...

Страница 16: ...t Active high O Control RxD 18 Diagnostics receive data Logic level output from Nano Series to a PC O Control TxD 20 Diagnostics transmit data Logic level input from a PC into the Nano Series I USB_DD...

Страница 17: ...input into the modem I Serial RxD 44 Receive Data Logic level output from the modem O Serial DCD 46 Data Carrier Detect Active low output O USR_1 PPS 35 System status indicator O USR_2 37 Reserved fo...

Страница 18: ...of data communication Packets Maximum data packet size 1558 bytes Maximum serial link rate Up to 3 2 Mbps Delay from bit transition to the rising edge of clock Less than 1 2 clock period Table 3 3 Na...

Страница 19: ...ict when we make CTS high about 650 s is required to detect if there was transmission in progress If after waiting 650 s the modem doesn t report any bytes received the modem is reconfigured in transm...

Страница 20: ...is configured in receive mode and waits for the user to start the clock signal and begin data transfer from the user device to the Modem The modem will set the CTS signal high up to 300 s after the st...

Страница 21: ...packet Data packet Data packet CTS USR_SCK Don t care RING USR_SCK CTS Data packet Data packet Data packet TxD RxD Don t care b Sequence of Modem to User Communication c Combined Sequence RING CTS USR...

Страница 22: ...ogic to 3 3V logic and routes the signals to MHX pin out designations The Interface Card can also be used to retrofit Nano Series Modems into existing designs as well as provide a mounting mechanism f...

Страница 23: ...on 3 3 1 Nano Interface Card Mechanical Drawing Notes The dimension unit is inches Top View Drawing 3 10 Nano Interface Card Top View Drawing 3 12 Nano Interface Card End View Drawing 3 11 Nano Interf...

Страница 24: ...ut the connections and functions of the various pins refer to Section 3 1 3 Nano Series Pin Out Description Drawing 3 13 J 5 Nano Interface Card Pin Out Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...

Страница 25: ...r future use O USR_3 20 Reserved for future use O Serial DCD 21 Data Carrier Detect Active low output O Serial RxD 22 Receive Data Logic level output O Serial TxD 23 Transmit Data Logic level input I...

Страница 26: ...POWER PA UART DCE LOGIC RS232 CONVERTER RS232 LOGIC CONVERTER EEPROM SRAM uC A D DATA BUS MIXER GAIN FREQUENCY SYNTHESIZER DIGITIZER IF DEMOD ANTENNA SWITCH MIXER LNA DB9S TxD RTS DTR DSR CTS RxD DCD...

Страница 27: ...Development Board CFG TX RX RSSI Top View RSSI RX TX CFG SYS Status Front View RS485 422 TxB TxA RxB RxA NC SHDN Vin GND Rear View Drawing 3 15 MHX Development Board Top View Drawing 3 16 MHX Develop...

Страница 28: ...CFG Button S1 Holding this button depressed while powering up the modem will boot the unit into configuration mode the default serial interface rear DE9 RS232 will be active and set to operate at its...

Страница 29: ...kets with correct CRC RSSI is also reported in S123 Table 3 6 LED Operation MODE LED STATUS M R S RX SYNC TX RSSI 1 2 3 COMMAND All OFF OFF OFF DATA Master ON while receiving valid data packets from S...

Страница 30: ...n DATA MODE or for configuring the modem when in COMMAND MODE The RS422 485 Port used to interface the MHX Development Board to a DTE with the same interface type Either the RS232 or RS422 485 interfa...

Страница 31: ...ick and robust interface to the Nano Modems The Nano Motherboard operates directly with the Nano and does not require use of the Interface Card The Nano Enclosed provides a fully enclosed stand alone...

Страница 32: ...d Dimensional Drawings RSSI TX RX CONFIG Front View Front Back Top View RS485 422 TxB TxA RxB RxA GND Vin S2 Back View Drawing 3 20 Nano Motherboard Top View Drawing 3 21 Nano Motherboard Front View I...

Страница 33: ...ional Drawings Jan 2015 Drawing 3 23 Nano Enclosed Top View Drawing 3 24 Nano Enclosed Front View Drawing 3 25 Nano Enclosed Back View Notes The dimension unit is mm inches 98 3 85 108 4 25 119 4 70 3...

Страница 34: ...CONFIG RSSI TX RX Front View DIAGNOSTIC microhard SYSTEMS INC ANTENNA S2 DATA TxB TxA RxB RxA GND Vin RS485 422 Back View Drawing 3 23a Nano Enclosed Old Top View Drawing 3 24a Nano Enclosed Old Fron...

Страница 35: ...default serial baud rate of 9600bps TX LED Red When illuminated this LED indicates that the modem is transmitting data over the air RX SYNC LED Green When illuminated this LED indicates that the mode...

Страница 36: ...affic Vin Vin is used to power the unit The input Voltage range is 9 30 Vdc 3 5 3 Connectors and Indicators 3 5 3 2 Rear On the back of the Development Board is the Data port RS485 422 interface as we...

Страница 37: ...n straight through serial cable from PC COM port to the rear RS 232 port launch a terminal communications program e g HyperTerminal and configure for 9600bps 8 data bits No parity 1 stop bit 8N1 press...

Страница 38: ...hed to a Repeater s serial data port the Repeater will also behave as a Slave aka Repeater Slave Adding one or more Repeaters within a network will HALVE the throughput the throughput is halved only o...

Страница 39: ...usted and basic communications cannot be established simply revert to the applicable factory default setting and any improper adjustments will be overwritten and a fresh start can be made with known t...

Страница 40: ...show that most of the registers in both the Master and the Slave have the same values S105 is not visible in the Master view its value is and must be 1 The differences are S101 Operating Mode S105 Un...

Страница 41: ...ave factory default settings change the Operating Mode S101 from 2 Slave to 1 Repeater change the Unit Address UA S105 from 2 to 3 save the changes using the AT W command go online with the ATA comman...

Страница 42: ...e not only storing and forwarding data but are also acting as Slaves Such Repeaters may be referred to as Repeater Slaves PMP factory default settings Master F1 Slave F2 Repeater F3 slow mode Master F...

Страница 43: ...1 the UA of Master modem to which all data is destined The settings for a factory default PMP Repeater are unique only with respect to S101 1 and S105 3 Image 5 4 F2 PMP Slave Configuration View Each...

Страница 44: ...n the Master must be modi fied as required S244 Channel Request Mode S251 Master Hop Allocation Timeout For TDMA set S244 1 Must be set on Master and all Slaves The default for S251 is 10 hop interval...

Страница 45: ...then inform the Master of same On the next hop the Master will sequence to the next modem UA 7 Slave 7 will inform the Master it has no data and on the next hop the Master will sequence to UA 10 Slav...

Страница 46: ...be modi fied as required S244 Channel Request Mode S234 Master Channel Request Timeout 1 254 S235 Routing Time to Live 1 255 For Adaptive TDMA set S244 4 Must be set on the Master and all Slaves The...

Страница 47: ...are addressed in such a way that the unit address equals the time slot in which they can transmit data The number of slaves supported is defined by the hop interval register S109 as follows The valid...

Страница 48: ...e units in the TDMA net work Included in this information is 1 SYNC Packet used for system synchronization 2 TDMA Table List This is the list of all the addresses of all the remote units in the net wo...

Страница 49: ...the data transmitted to the master it has to be equal to or less than the S212 register of the Master as the master ex pects the data to only be this size or smaller Essentially if S112 of the remote...

Страница 50: ...ns GPS data you want this data updated more frequently than the data from the other units You also need to send correction data three times per frame to ensure accurate readings Your TDMA table may lo...

Страница 51: ...ster This information could be used in systems where units could benefit from information collected by others Entering the TDMA Table ATT View the entire registered TDMA table ATTn UA enter a Slave s...

Страница 52: ...09 9 2010 10 2011 11 2012 12 2013 13 2014 14 2015 15 2016 16 2017 17 2018 18 2019 19 1 20 2020 21 2021 22 2022 23 2023 24 2024 25 2025 26 2026 27 2027 28 2028 29 2029 30 2030 31 2031 32 2032 33 2033 3...

Страница 53: ...er into Command Mode load the F2 factory default settings change the Network Type S133 to 2 change the Destination Address to 3 to be the UA of Slave 2 save the change using the AT W command go online...

Страница 54: ...d the F1 factory default settings change the Network Type S133 to 2 change Packet Retransmissions S113 from 5 to 0 increase from 0 if re quired save the change using the AT W command go online with th...

Страница 55: ...ommuni cations program or Front SERIAL DIAG RJ45 port MHS configuration cable and PC running MHS System Diagnostics software RadioNetwork If mounted in a Nano Motherboard Rear RS 232 connector 9 pin s...

Страница 56: ...g or ATG will provide a display of signal levels received within the operating environment and frequency range of the modem under test ATg averages 256 samples ATG 16 000 Invoking the ATg command caus...

Страница 57: ...the Nano operates The specific start of scan and stop frequencies along with step increment size and dwell on frequency time are user definable Following is the format for the ATN command In Command...

Страница 58: ...s it may be desired to prohibit the modem from operating on specific frequencies or range s of frequencies The modem will not allow too many frequencies to be restricted it requires a certain amount o...

Страница 59: ...he frequency of 905 500MHz The range of 909 250 to 912 700MHz was defined as the second Band 2 restriction When prompted to enter Band 3 the Esc key was entered to escape the entry process and the sum...

Страница 60: ...thogonal to each other thereby minimizing possible interference between network segments Upon entering the AT H1 command the modem prompts as follows A to add a Repeater this is done by entering the U...

Страница 61: ...e configured upon power up The typical mode of operation is for the modem to power up in Data mode ready to participate in data transfer over the wireless network any ASCII value decimal 43 Escape cha...

Страница 62: ...exchange data as a Slave within the network If 1 or more repeaters are to be in a network see Section 6 2 S141 If 2 or more repeaters are to be in a network see Section 6 1 AT command H1 REMOTE Interf...

Страница 63: ...for a network Change S107 to something unique for your network S108 Output Power 20 100 21 125 22 160 23 200 24 250 25 320 This setting establishes the transmit power level which will be presented to...

Страница 64: ...d maximum packet size S102 S103 and S112 Hop Interval S109 should only be changed if recommended by Microhard Support and or for specific applications S109 time ms S109 time ms 0 1 5 10 30 1 2 0 11 40...

Страница 65: ...stored in S113 PMP Master will retransmit each data packet the exact number of times specified in its S113 Slave will retransmit only if necessary and then only until a given packet is acknowledged o...

Страница 66: ...unit which has the same network address S104 and static mask S107 as the Remote Should that upstream unit fail this Remote will attempt to synchronize with another upstream unit within the same networ...

Страница 67: ...y degree until such time as it has received valid packets from a downstream unit Also should the downstream unit s fail a Master will maintain the last RSSI reading display Values S130 No Sync Intake...

Страница 68: ...ration for how to accomplish this Values S142 Serial Channel Mode This register defines the physical serial interface which will be used for data communications Note When placed into Command Mode the...

Страница 69: ...AKEUP line is high and all data is sent Sleep Mode 2 This mode is similar to Sleep mode 1 except data will be monitored only on the serial port If no data is being transmitted or received after an amo...

Страница 70: ...5535 60 This register applies only to Remote modems and is only effective when S143 0 Defines sleep duration for up to approximately 18 hours Two conditions will awaken a Remote 1 sleep duration time...

Страница 71: ...y which will enable a downstream unit to become synchronized faster A setting of 1 applies only in a point to point PTP configuration the Master will stay in quick sync mode until such time as it rece...

Страница 72: ...equired Communications range may also be extended with the use of FEC at a certain distance where data would otherwise be unacceptably corrupted employing FEC may be all that is required to maintain t...

Страница 73: ...Encryption Key 192bit AES 24 Byte Encryption Key 256bit AES 32 Byte Encryption Key The encryption key can be entered in registers S107 or S177 as they share the same key array for encryption S107 Sta...

Страница 74: ...ing will be blocked from passing through the modem to the attached PLC Values S232 Maximum Buffer in Storage 1 255 200 This register defines the maximum number of packets sent on the user serial port...

Страница 75: ...o do so When granted the Remote will be allowed to transmit all of its data no other Remotes may transmit during this period upon completion of which it will release the channel This feature eliminate...

Страница 76: ...e of the incoming data and what if any special action should be taken by the modem upon the data Also there are AT commands which effect the configuration of the module specifical ly with respect to t...

Страница 77: ...DTR must be reasserted before putting module back into data mode normally done using ATA command Controls the action that the module will perform when the DTR input line s state is modified Values Sn...

Страница 78: ...Zone requirements an obstruction free area much greater than the physical LOS i e LOS is not enough to completely satisfy RF path requirements for a robust communications link Transmit Power Having re...

Страница 79: ...ovide results which specify required antenna heights For cost savings and in taking advantage of the characteristics of the fre quency range sometimes the height requirements are not adhered to this m...

Страница 80: ...alues are expressed in dB dBi or dBm as applicable Assuming a path loss of 113dB for this example the fade margin 143 113 30dB 30dB exceeds the desired fade margin of 20dB therefore this radio communi...

Страница 81: ...n the radiated signal will be vertically polarized if parallel to the ground the polarization is horizontal The network topology application and path calculation are all taken into considera tion when...

Страница 82: ...Hz in dB per 100 feet LMR 195 10 7 LMR 400 3 9 LMR 600 2 5 For a typical application LMR 400 may be suitable Where a long cable run is re quired and in particular within networks where there is not a...

Страница 83: ...al 0 DCD always on 1 DCD on when modem s sync ed always on if Master 2 DCD used for output data framing and Modbus mode 3 Slave DCD pulses for 2ms when modem receives valid sync pulse from Master whic...

Страница 84: ...Write Configuration to Memory stores active configuration into modem s non volatile memory Sxxx Read S Register Value where xxx is the S register s number this command will result in displaying the cu...

Страница 85: ...ber and y is desired value 8 7200 9 4800 10 3600 11 2400 12 1200 13 600 14 300 7 7E1 8 7O1 9 7E2 10 7O2 11 40 12 50 13 60 14 70 15 80 16 90 17 100 18 125 19 150 S0 Auto Answer 0 modem will power up in...

Страница 86: ...sniff mode 1 stays awake on local and air data 4 sniff mode 2 stays awake only on local data 5 sniff mode 3 same as sniff mode 1 but will discard data if cannot find upstream unit S144 Sleep Duration...

Страница 87: ...l MHS031070 2dBi 900MHz Rubber Ducky Antenna Reverse SMA Swivel MHS031080 2dBi 900MHz Rubber Ducky Antenna Reverse SMA Straight Transit Antennas MHS031210 3dBd 900 MHz Transit Antenna with Ground Plan...

Страница 88: ...NC Swivel MHS031110 2dBi 2 4GHz Rubber Ducky Antenna Reverse SMA Swivel MHS031120 2dBi 2 4GHz Rubber Ducky Antenna Reverse SMA Straight Yagi Antennas MHS034100 9 dBi 2 4GHz Yagi Directional Antenna RP...

Страница 89: ...Microhard Systems Inc 89 Appendix E n920 n2420 Layout Footprint...

Страница 90: ...Microhard Systems Inc 90 P6SMB36CAT3G...

Страница 91: ...DCE that the host can receive data CTS Clear to Send Output from Module A handshaking signal which is asserted by the DCE TTL low when it has enabled communications and transmission from the DTE can...

Страница 92: ...that a transmission line termination is required if the system has high data rates and long wiring runs 4 wire RS 485 A n920 can also be connected into a RS 485 network in a four wire fashion as shown...

Страница 93: ...150 Country Hills Landing NW Calgary Alberta Canada T3K 5P3 Phone 403 248 0028 Fax 403 248 2762 www microhardcorp com...

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