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Cirronet HopNet 10 Series, Руководство пользователя

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Overview

800281 Rev. B

HopNet Family of Products

75

Chapter 4

Troubleshooting

Overview

Introduction

Troubleshooting the HopNet products is not difficult, but it does require a logical
approach. It is best to begin troubleshooting at the base station because the rest of the
system synchronizes to it. If the base station has problems, the entire network will be
compromised.

This chapter provides troubleshooting information for your HopNet products.

Transceiver Requirements

For proper operation, all transceivers in the network must meet these basic
requirements:

•

 

Adequate and stable power

•

 

Secure connections ( Power, RF, and Data)

•

 

Proper programming especially Hop Duration and Network Address

Содержание HopNet 10 Series

Страница 1: ...HopNet 10 Series Wireless Modems User s Manual July 16 2001 5375 Oakbrook Parkway Norcross Georgia 30093 www cirronet com 678 684 2000...

Страница 2: ...tions may also void the user s authority to operate this device European Community Notice This device complies with ETS 300 328 of the European Community Operation is subject to the following conditio...

Страница 3: ...to the goods such as but not limited to power failure No suit or action shall be brought against Seller more than twelve 12 months after the related cause of action has occurred Buyer has not relied...

Страница 4: ...e 8 Technical Specifications 9 HN 510 BASE REMOTE STATION 11 Introduction 11 Data Transmission 11 LED Status 12 Power Connection 12 Antenna Connection 12 Technical Specifications 13 HN 1010 OUTDOOR BA...

Страница 5: ...ket Transmission Using ARQ 43 POINT TO POINT NETWORKS 44 Introduction 44 Throughput 44 MULTIPOINT NETWORKS 45 Introduction 45 Protocol Modes Definitions 47 Packet Formats 48 Data Packet 48 Connect Pac...

Страница 6: ...mber High Middle and Low Bytes 70 Set Duty Cycle 70 Enable Low Power Acquisition Mode 70 MEMORY COMMANDS 71 Recall Factory Defaults 71 Recall Memory 71 Store Memory 71 MODEM COMMAND SUMMARY 72 GUIDELI...

Страница 7: ...1 JUMPER CONFIGURATION OF HN 3010 2 APPENDIX C ACCESSORIES 1 OVERVIEW 1 Introduction 1 ANTENNAS 2 Types of Antennas 2 Guidelines 2 ADAPTER 3 Introduction 3 Flow Control Indicators 4 DB 9 Connector 4 T...

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Страница 9: ...Products The HopNet family of products is built with rugged enclosures compliant with IP 66 and NEMA 4X standards for outdoor and harsh industrial environments All Hopnet products work with each othe...

Страница 10: ...eatures Glossary of Terms Refer to the following list of terms that may be unfamiliar to you These terms are used throughout this document Term Definition ARQ Automatic Repeat Request The operation in...

Страница 11: ...Scientific or Medical band operating at 2 4 GHz Allows use of a radio without a license but the equipment must be immune to interference from other users in the band and approved for use in the inten...

Страница 12: ...al over a larger region of the frequency band The fade resistant HopNet frequency hopping technology employs up to 75 channels and switches channels over 100 times a second to achieve high reliability...

Страница 13: ...ated EIRP to 24 dBm and the effective receiver sensitivity to 99 dBm The HN 210X has a TNC connector for attaching an external antenna and a mounting plate that accommodates both the HN 210X and any o...

Страница 14: ...hat the unit is receiving power The amber LED indicates Data Carrier Detect Interface Box Interface Adapter Power Adapter Modem Interface LEDs RS 232 Interface 9 Not Used 8 Clear to Send CTS 7 Request...

Страница 15: ...wakes radio transceiver 5 GND Signal and Chassis Ground 6 DSR Output Data Set Ready Response to DTR 7 RTS Input Request to Send Gates the flow of receive data from the radio to the user on or off In n...

Страница 16: ...ing Be sure the antenna end of the HN 210 Remote faces the Base or Repeater that it is communicating with Our tests have found that antenna placement is not critical as long as the patch antenna is fa...

Страница 17: ...4 patterns networks available Number of Channels 75 US 25 France Spain Japan Canada Line of Sight Range Greater than 3 5 miles Frequency Band 2401 2475 MHz USA 2448 2478 MHz France 2448 2473 MHz Spain...

Страница 18: ...tion Value Case NEMA 4X IP 66 Size 5 1 in x 3 1 in x 1 4 in 130mm x 80mm x 35mm Weight 1 75 lb including cable 794 g Data Connector DB 9 Female Interconnect Cable Connector RJ 45 Environmental Specifi...

Страница 19: ...e of 300 to 1000 feet indoors You can extend this range by adding a HopNet Repeater HN 2010 The automatic repeat requests ARQ and multinode protocol are transparent to the user equipment User data rat...

Страница 20: ...liamperes of current The HN 510 also has a built in battery pack that allows use of the modem without being tethered to a power source The battery pack charges any time the unit is plugged in An amber...

Страница 21: ...8 MHz Canada Number of Channels 75 US 25 France Spain Japan Canada Approvals US FCC Part 15 203 European Community ETS 300 328 Compliance Data Rate Up to 230 Kbps Async Throughput Channel Data Rate 46...

Страница 22: ...ducts 800281Rev B 14 Specification Value Case Plastic Size 5 in x 3 5 in x 1 in 127mm x 89mm x 25mm Weight 0 5 lb 227 g Data Connector DB 9 Receptacle Environmental Specification Value Temperature Ran...

Страница 23: ...ledgments inside the radio are transparent to the user equipment User data rates of 230 Kbps are supported with built in CRC ARQ error protocols Data throughput is RS 485 Hybrid or RS 232 while flow c...

Страница 24: ...Use the following guidelines when installing the antenna Be sure to strictly follow the antenna manufacturer s installation instructions for proper operation of the antenna Be sure that you use the p...

Страница 25: ...els 75 US 25 France Spain Japan Canada Approvals US FCC Part 15 203 European Community ETS 300 328 Compliance Data Rate Up to 230 Kbps Async Throughput RF Channel Data Rate 460 Kbps Serial Data Interf...

Страница 26: ...0281Rev B 18 Mechanical Specification Value Case Nema 4X Standards IP66 Antenna Connector TNC RF Size 5 6 in x 2 09 in x 8 39 in 142mm x 53mm x 213mm Weight 1 8 lb 816 5 g Environmental Specification...

Страница 27: ...s with obstructions You can extend this range by adding a HopNet Repeater HN 2010 or using gain antennas The automatic repeat requests ARQ and multinode protocol are transparent to the user equipment...

Страница 28: ...separate 2 pin power connector that accepts 7 5 to 24 VDC Power connects to the 2 pin connector on the front panel of the transceiver A polyfuse is on the transceiver board to protect against short ci...

Страница 29: ...78 MHz Canada Number of Channels 75 US 25 France Spain Japan Canada Approvals US FCC Part 15 203 European Community ETS 300 328 Compliance CE Marked Data Rate Up to 230 Kbps Async Throughput Channel D...

Страница 30: ...Value Case Aluminum Size 7 9 in x 5 7 in x 2 in 201mm x 145mm x 51mm Weight 1 6 lb 726 g Data Connector DB 9 Receptacle 2 pin Power Connector Conxall 1728822PG 300 Mating Connector Conxall 16282 2SG...

Страница 31: ...ng remote to the base and vice versa The repeater will introduce a small amount of transmission delay However as a dual modem repeater the HN 2010 does not halve the data throughput which is common in...

Страница 32: ...modem You can attach remote antenna cables to these connectors Conxall Power Connector The Conxall power connector is waterproof and ruggedized for industrial use This connector supplies 9 VDC nomina...

Страница 33: ...tween the remote unit and the base unit LED Status Three external LEDs are on the front panel to inform you of the status of the repeater The following illustration shows the three LEDs Refer to the f...

Страница 34: ...does not exceed 25 VDC One amp polyfuses are placed in series with the external power supply and battery to avoid catastrophic current draw in case of an accidental short In addition a low voltage loc...

Страница 35: ...ter operation 3 Flip the 3 way switch to the Remote position and configure that modem as a remote unit 2 Flip the 3 way switch to the Base position and configure the other modem as a base unit Be sure...

Страница 36: ...umber of Channels 75 US 25 France Spain Japan Canada Line of Sight Range Greater than 5 miles with 9 dB omni per leg of repeater Frequency Band 2401 2475 MHz USA 2448 2478 MHz France 2448 2473 MHz Spa...

Страница 37: ...x76mm including mounting flange and connectors Weight 3 5 lb 1588 g RF Connectors TNC RF Jacks Data Connector 9 pin D Sub type receptacle Repeater power connector Conxall model number 1728822PG 300 M...

Страница 38: ...to 99 dBm The user interface to the HN 3010 Remote is a 9 pin Conxall waterproof connector Nine pins are the minimum number of pins necessary to convey all of the signals needed to communicate with th...

Страница 39: ...ived serial data 4 DSR Output Data Set Ready Response to DTR 5 CTS Output Clear to Send Used to control transmit flow from the user to the user to the radio The WIT 2410 radio module supports hardware...

Страница 40: ...XD Output Non inverted RX Data RS 485 levels Logic 1 5V Logic 0 0V 4 RXD Output Inverted RX Data RS 485 levels Logic 1 0V Logic 0 5V 5 CTS Output Clear to Send RS 232 levels Buffer Ready 12V Buffer Fu...

Страница 41: ...t of the Remote is much lower during standard operation than it is during the initial surge Aiming the Antenna and Placing the Remote Use the following guidelines for aiming the antenna and placing th...

Страница 42: ...etworks available Number of Channels 75 US 25 France Spain Japan Canada Line of Sight Range Greater than 3 5 miles Frequency Band 2401 2475 MHz USA 2448 2478 MHz France 2448 2473 MHz Spain 2473 2495 M...

Страница 43: ...ize 7 in x 6 25 in x 2 in 178mm x 159mm x 51mm including mounting flange Weight 1 25 lb 567 g Data Power Connector Conxall model number 4282 9PG 300 Mating Connector Conxall model number 3282 9SG 5xx...

Страница 44: ...hat are out of range are connected through a repeater See the illustration of a point to point application on the next page Point to Multipoint This common application consists of a central host and r...

Страница 45: ...opNet Applications 800281 Rev B HopNet Family of Products 37 Point to Point A point to point application as shown below provides a communication data link between two locations HN 1000 HN 1000 HN 1010...

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Страница 47: ...ata in either RS 232 or RS 485 format The data has Eight data bits One start bit One stop bit No parity The purpose of this chapter is to describe what HopNet can do especially from a network topology...

Страница 48: ...it will then drop carrier detect after a programmed number of hops and attempt to reacquire the signal To detect if a remote has gone offline or out of range the registration must be renewed once ever...

Страница 49: ...for 17 to 32 remotes a duty cycle of at least is required and for 33 to 62 remotes a duty cycle of or more is necessary An added benefit of using the power save mode to set a duty cycle is improved a...

Страница 50: ...et network To determine the precise amount of capacity you can actually set up the radio system and then query the maximum data length from one of the remotes in control mode to discover its exact set...

Страница 51: ...that it was correctly received If the packet is received correctly the receiving station sends an acknowledgment or ACK back to the transmitting station If the transmitter doesn t receive an ACK at t...

Страница 52: ...ke special care to properly orient and aim the antennas in order to maximize range The HN 210 and HN 3010 which have an integrated wireless modems and antennas are especially straightforward in outdoo...

Страница 53: ...is similarly formatted to identify to the user application the remote that sent the transmission The remotes may still use transparent mode without formatting to send data to the base if desired HopN...

Страница 54: ...issing packet and request a retransmission by the base device When operating in broadcast mode the base can send each transmission multiple times based on the ARQ setting Once a transmission has been...

Страница 55: ...ONNECT DISCONNECT mode 04 This is the packet format used by the WIT2400 This allows legacy software to operate the HOPNET Note however that since different air data rates are used HopNet and WIT2400s...

Страница 56: ...emote ID DISCONNECT 1110 1001 11HH HHHH 0111 1111 H handle number 0 63 L data length 212 bytes for remotes 208 bytes for bases N remote s previous network number if roamed R receive sequence number fr...

Страница 57: ...mber from previous cell T transmit sequence number from previous cell N network number of the previous base if roamed 1110 1001 10HH HHHH RRRR TTTT 00NN NNNN 3 byte base ID remote receive only H handl...

Страница 58: ...mote unit is dedicated Some systems already have data embedded in a proprietary multipoint packet protocol and only wish to eliminate wires and not to impose any additional protocols Transparent broad...

Страница 59: ...Networks 800281 Rev B HopNet Family of Products 51 Typical Point to Multipoint Networks Refer to the following examples of typical point to multipoint networks Example 1 HN 1010 HN 1010 HN 210 HN 301...

Страница 60: ...Multipoint Networks HopNet Family of Products 800281Rev B 52 Example 2 HN 1010 HN 3010 HN 210X HN 3010 HN 3010 8...

Страница 61: ...Multipoint Networks 800281 Rev B HopNet Family of Products 53 Example 3 HN 1510 HN 3010 HN 210X HN 2010 HN 1510 HN 2010 8...

Страница 62: ...A full packet must be buffered before it can be sent so that higher data rates will have less latency Packet Size Packet size affects latency The minimum and maximum settings for packet size affect h...

Страница 63: ...ime is tolerable you can greatly reduce power consumption by using sleep mode Duty Cycling To conserve power the HopNet remote will power down the receiver and transmitter between hops when not in use...

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Страница 65: ...nCom 24 software provided by Cirronet Inc WinCom24 is a software package that runs under Windows 95 98 NT 2000 This chapter provides the information you need to configure your network Five Command Typ...

Страница 66: ...these steps to install the WinCom24 software 1 Be sure that your monitor is set up for 800 by 600 pixels 2 Insert the WinCom24 diskette into the floppy drive of your computer 3 Click on My Computer f...

Страница 67: ...age that indicates the new modem parameter value The commands are loosely grouped into five different categories Serial commands Network commands Protocol commands Status commands and Memory commands...

Страница 68: ...02 command data and connection notification 04 WIT2400 protocol mode 05 08 reserved for future use 09 mode 01 during transmit transparent receive 0C mode 04 during transmit transparent receive 0D 10 r...

Страница 69: ...application more or less acknowledgment may be desired by the application Remotes can operate in transparent mode even though the base station is operating in one of the nontransparent modes When usin...

Страница 70: ...lt 1 Link to any hop pattern regardless of wn parameter 2 Seamless roaming mode wn 0 3f Set Hopping Pattern Network Number 0 default wp 0 1 Set Transmit Power 0 10mW 1 100mW default wr Read Receive Si...

Страница 71: ...ferred to as network numbers By using different hopping patterns nearby or co located networks can avoid interfering with each other s transmissions Even if both networks tried to use the same frequen...

Страница 72: ...0 1mi x dx 0 17km 0 17km x dx max 0 8mi 0 1mi x dx 1 33km 0 17km x dx The following table presents various values of dx and the associated optimal and max ranges dx setting range min optimal max 00H 0...

Страница 73: ...efault 10ms pk 00 d0 Set Minimum Data Length 01 default pl Get Maximum Data Length D4 default 212 bytes pn 01 3e base only Set Maximum Number of Remotes 3e default 62 remotes pr 00 ff Set Packet Attem...

Страница 74: ...the parameter to all remotes However link time can be reduced if this value is also programmed into the remotes which use it as a starting value when scanning for the base Set Minimum Data Length Thi...

Страница 75: ...ion with the minimum data length parameter this sets the amount of time from the receipt of a first byte of data from the host until the radio will transmit in transparent mode Default is 00H which ca...

Страница 76: ...packet to be discarded Set ARQ Mode Sets ARQ mode when set to 0 which is the default In this mode the radio will resend an unsuccessful transmission until either successful or packet attempt limit att...

Страница 77: ...lt 1 Enabled z Exit Modem Control Mode Banner Display Disable Enables or disables display of the banner string and revision code automatically at power up May be disabled to avoid being mistaken for d...

Страница 78: ...nsumption will be roughly the consumption as when N 0 This parameter must be set to the appropriate value when more than 16 remotes are in use Enable Low Power Acquisition Mode When a remote is search...

Страница 79: ...y m Store Memory Recall Factory Defaults Resets the HopNet to its factory default state This is useful for testing purposes or if there is a problem in operation of the system and the configuration is...

Страница 80: ...ration base only pl Get Maximum Data Length pn 01 3e Set Maximum Number of Remotes base only pk 00 d4 Set Minimum Data Length pr 00 ff Set Packet Attempts Limit pt 00 ff Set Data Transmit Delay remote...

Страница 81: ...ate in close proximity to each other but require a unique network address Poor quality coaxial cables will seriously degrade system performance Use low loss cable that is suitable for 2 4 GHz operatio...

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Страница 83: ...ation because the rest of the system synchronizes to it If the base station has problems the entire network will be compromised This chapter provides troubleshooting information for your HopNet produc...

Страница 84: ...nterface connections at the transceiver 2 Check antenna feedline connectors and reflective power 3 If remote unit is in synchronization but performance is poor it may indicate antenna problems Check f...

Страница 85: ...nd reception pattern to a comparatively narrow lobe which minimizes interference from stations located outside the pattern Multiple HopNet systems can co exist in close proximity to each other with ve...

Страница 86: ...line of sight transmission path between the base and the associated remote sites provides for the most reliable transmission path A line of sight path can be achieved by mounting the station antenna o...

Страница 87: ...ms can be resolved without returning the unit to the factory The following telephone numbers are available for assistance Phone 678 684 2000 Fax 678 684 2001 Factory Repairs If return of equipment is...

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Страница 89: ...Overview 800281 Rev B HopNet Family of Products A 1 Appendix A Mechanical Drawings Overview Introduction The following examples are provided to help you install your HopNet products...

Страница 90: ...HN 1510 HopNet Family of Products 800281 Rev B A 2 HN 1510...

Страница 91: ...HN 2010 800281 Rev B HopNet Family of Products A 3 HN 2010...

Страница 92: ...HN 3500 HopNet Family of Products 800281 Rev B A 4 HN 3500...

Страница 93: ...HN 3010 800281 Rev B HopNet Family of Products A 5 HN 3010...

Страница 94: ...HN 1010 HopNet Family of Products 800281 Rev B A 6 HN 1010...

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Страница 97: ...J12 J13 and J15 only are inserted Replace top cover The RS 232 option allows the HN 1010 to operate as a true RS 232 device HN 3010 The HN 3010 is shipped from the factory as an RS 232 device To chan...

Страница 98: ...HopNet Family of Products 800281 Rev B B 2 Jumper Configuration of HN 3010...

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Страница 101: ...Overview 800281 Rev B HopNet Family of Products C 1 Appendix C Accessories Overview Introduction This appendix provides information on the accessories that support the HopNet products...

Страница 102: ...BM242 5 dB Mobile Antenna Magnetic 5 dB N MOB245MM 5 dB Mobile Antenna Hole Mount 5 dB N MOB245HM 18 dB Parabolic Dish 18 dB N PAR2418 24 dB Parabolic Dish 24 dB N PAR2424 Guidelines Follow these gui...

Страница 103: ...tion The HN 1010 and HN 3010 can be used with an RS 232 to RS 485 adapter the HN 3500 The HN 3500 enables you to configure the HN 1010 and HN 3010 for RS 485 operation yet drive them from an RS 232 co...

Страница 104: ...RXD Red Receive Data DTR Red Data Terminal Ready CD Red Carrier Detect PWR Green Continuous DC power is applied DB 9 Connector The HN 3500 is equipped with a DB 9 connector to link the RS 232 interfa...

Страница 105: ...inal block on the connector converts RX and TX RS 232 signals into RS 485 differential The terminal block also passes the following signals to the HN 1010 and HN 3010 CTS DTR DCD 9 VDC See the illustr...

Страница 106: ...s designed for an indoor environment The part number for this power supply is A 3200 1000 AC to DC Conversion The external power supply connects to a 2 pin Conxall connector on the HN 3500 adapter The...

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