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120 20131-301

 

 

Gemini G3 – User Manual

 

iv

 

F

IGURE 

1

 

-

 

M

OUNTING PLATE AND SLOT DIMENSIONS

....................................................................................................7

 

F

IGURE 

2

 

-

 

B

RACKET INSTALLATION

..............................................................................................................................8

 

F

IGURE 

3

 

–

 

R

UBBER GROMMET AND SHOULDER SCREW DETAILS

....................................................................................8

 

F

IGURE 

4

 

-

 

DC

 

P

OWER 

C

ONNECTOR

...............................................................................................................................9

 

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IGURE 

5

 

-

 

A

NTENNA SPACING

.....................................................................................................................................11

 

F

IGURE 

6

 

-

 

F

RONT AND REAR PANELS

...........................................................................................................................13

 

F

IGURE 

7

 

-

 

W

EB 

I

NTERFACE

.........................................................................................................................................16

 

F

IGURE 

8

 

-

 

IP

 

N

ETWORK 

S

ETTINGS 

(

WITH 

H

OST

) .........................................................................................................18

 

F

IGURE 

9

 

-

 

IP

 

N

ETWORK 

S

ETTINGS 

(

WITH 

R

OUTER

).....................................................................................................18

 

F

IGURE 

10

 

-

 

E

NTER 

N

ETWORK 

P

ASSWORD SCREEN

......................................................................................................19

 

F

IGURE 

11

 

-

 

W

EB 

U

SER 

I

NTERFACE 

–

 

W

ELCOME 

S

CREEN

............................................................................................19

 

F

IGURE 

12-

 

U

NIT 

I

DENTIFICATION AND 

S

TATUS

...........................................................................................................21

 

F

IGURE 

13

 

-

 

M

AINTENANCE 

-

 

R

ADIO 

P

ERSONALITY

.....................................................................................................22

 

F

IGURE 

14

 

-

 

G

ENERAL 

S

ETUP

.......................................................................................................................................23

 

F

IGURE 

15

 

-

 

S

ETUP 

(B

ASIC

)

 

–

 

B

ASIC 

IP

 

C

ONFIGURATION

.............................................................................................23

 

F

IGURE 

16

 

-

 

S

ETUP 

(B

ASIC

)

 

–

 

S

ERIAL 

P

ORTS 

S

ETUP

.....................................................................................................24

 

F

IGURE 

17

 

-

 

A

DVANCED 

IP

 

C

ONFIGURATION 

-

 

LAN

 

(IP) .............................................................................................25

 

F

IGURE 

18

 

-

 

A

DVANCED 

IP

 

C

ONFIGURATION 

-

 

RF

 

(IP).................................................................................................26

 

F

IGURE 

19

 

-

 

R

ADIO 

T

ABLE 

S

ET 

U

P

...............................................................................................................................27

 

F

IGURE 

20

 

-

 

R

OAMING 

S

ETUP

.......................................................................................................................................29

 

F

IGURE 

21

 

-

 

A

DVANCED 

IP

 

C

ONFIGURATION 

–

 

IP

 

S

ERVICES 

S

ETUP

.............................................................................29

 

F

IGURE 

22

 

-

 

B

ASIC 

NAT

 

O

PERATIONS

.........................................................................................................................31

 

F

IGURE 

23

 

-

 

NAT

 

E

NABLED ON 

P

ARAGON

3 .................................................................................................................32

 

F

IGURE 

24

 

-

 

P

RIVATE TO 

P

UBLIC 

(E

XTERNAL

) .............................................................................................................32

 

F

IGURE 

25

 

-

 

P

ARAGON

3

 

-

 

P

RIVATE TO 

P

UBLIC 

N

ETWORK 

(RF)....................................................................................32

 

F

IGURE 

26

 

-

 

NAT

 

E

NABLED ON 

G

EMINI

G3 ..................................................................................................................33

 

F

IGURE 

27

 

-

 

G

EMINI

G3

 

-

 

P

RIVATE TO 

P

UBLIC 

N

ETWORK 

(RF).....................................................................................33

 

F

IGURE 

28

 

-

 

SNMP:

 MANAGER

/

AGENT MODEL

.............................................................................................................34

 

F

IGURE 

29

 

-

 

B

RANCH OF THE 

1234.

MIB 

OID

 TREE

........................................................................................................35

 

F

IGURE 

30

 

–

 GCU

3.

MIB 

T

REE

........................................................................................................................................36

 

F

IGURE 

31

 

-

 

A

DVANCED 

IP

 

C

ONFIGURATION 

–

 

IP

 ADRESSING MODES

..........................................................................37

 

F

IGURE 

32

 

-

 

B

ROADCAST 

W

INDOW 

D

ETAIL

.................................................................................................................38

 

F

IGURE 

33

 

-

 

E

XAMPLE OF 

D

IRECTED BROADCAST FORWARDING ENABLED

..................................................................39

 

F

IGURE 

34

 

-

 

E

XAMPLE OF 

D

IRECTED BROADCAST FORWARDING DISABLED

.................................................................40

 

F

IGURE 

35

 

-

 

E

XAMPLE OF 

D

IRECTED BROADCAST FORWARDING ENABLED

..................................................................41

 

F

IGURE 

36

 

-

 

E

XAMPLE OF 

L

IMITED BROADCAST FORWARDING DISABLED

....................................................................42

 

F

IGURE 

37

 

-

 

R

EGISTRATION TO MULTICAST GROUP  

(F

IRST STEP

).................................................................................43

 

F

IGURE 

38

 

-

 

R

ECEPTION OF MULTICAST PACKETS 

(S

ECOND STEP

) ................................................................................43

 

F

IGURE 

39

 

-

 

T

YPICAL 

E-DBA

 

M

ULTICAST 

G

ROUPS

.....................................................................................................44

 

F

IGURE 

40

 

-

 

M

ULTICAST 

W

INDOW 

D

ETAILS 

(O

N THE 

M

OBILE ON THE LEFT AND ON THE BASE ON THE RIGHT

) ...........45

 

F

IGURE 

41

 

-

 

T

YPICAL 

E-DBA

 

M

ULTICAST 

G

ROUPS 

(

WITH ADDRESSES

) ......................................................................45

 

F

IGURE 

42

 

-

 

A

DVANCED 

IP

 

C

ONFIGURATION 

-

 

IP

 

O

PTIMIZATION 

&

 

T

UNING 

-

 

OIP ......................................................46

 

F

IGURE 

43

 

-

 

A

DVANCED 

IP

 

C

ONFIGURATION 

-

 

T

IME 

S

OURCE

......................................................................................47

 

F

IGURE 

44

 

-

 

A

DVANCED 

IP

 

C

ONFIGURATION 

-

 

E

THERNET 

(PHY) ................................................................................48

 

F

IGURE 

45

 

-

 

GPS

 

-

 

S

TATUS

...........................................................................................................................................49

 

F

IGURE 

46

 

-

 

GPS

 

-

 

D

ELIVERY 

O

PTIONS 

(I

NITIAL SCREEN ON LEFT 

-

 SCREEN WITH 

2

 

UDP

 

H

OSTS ON RIGHT

) ...............50

 

F

IGURE 

47

 

-

 

GPS

 

-

 

AAVL ............................................................................................................................................52

 

F

IGURE 

48

 

-

 

S

ECURITY

-

 

P

ASSWORD AND 

E

NCRYPTION 

C

ONTROL

................................................................................53

 

F

IGURE 

49

 

-

 

S

TATISTICS 

-

 

I

NTERFACES

.........................................................................................................................54

 

F

IGURE 

50

 

-

 

M

AINTENANCE  

P

ING 

T

EST

.......................................................................................................................55

 

F

IGURE 

51

 

-

 

M

AINTENANCE 

-

 

U

NIT 

C

ONFIGURATION 

C

ONTROL 

(I

NITIAL SCREEN

).......................................................56

 

F

IGURE 

52

 

-

 

M

AINTENANCE 

–

 

P

ACKAGE 

V

ALIDATION

.................................................................................................57

 

F

IGURE 

53

 

-

 

C

ONTROL 

-

 

RF

 

T

ESTS

................................................................................................................................58

 

Содержание G3

Страница 1: ...GeminiG3 Mobile Data Radiomodem User Manual Version 3 01 The entire contents of this manual are copyright 2006 2007 2008 by DATARADIO Inc Copyright DATARADIO Inc February 2008 Part no 120 20131 301...

Страница 2: ...red by liquefied gas 6 2 3 PHYSICAL UNIT 7 2 3 1 Recommended tools and supplies 7 2 3 2 Physical mounting 7 2 4 ELECTRICAL INSTALLATION 8 2 4 1 Electrical requirements 8 2 4 2 Routing of power cable 9...

Страница 3: ...ticast Overview 38 4 7 3 7 Setup Advanced IP Optimization Tuning 46 4 7 3 8 Setup Advanced Time Source 47 4 7 3 9 Setup Advanced Ethernet PHY 48 4 7 4 GPS 49 4 7 4 1 GPS Status 49 4 7 4 2 GPS Delivery...

Страница 4: ...GURE 28 SNMP MANAGER AGENT MODEL 34 FIGURE 29 BRANCH OF THE 1234 MIB OID TREE 35 FIGURE 30 GCU3 MIB TREE 36 FIGURE 31 ADVANCED IP CONFIGURATION IP ADRESSING MODES 37 FIGURE 32 BROADCAST WINDOW DETAIL...

Страница 5: ...1 ON AIR DATA SPEEDS MODULATION 2 TABLE 2 G3 LEDS INDICATIONS 14 TABLE 3 DTE PORT PIN FUNCTIONS 15 TABLE 4 RS 232 SIGNAL LEVELS 15 TABLE 5 TEST CHECKLIST 63 TABLE 6 CARRIER DEVIATIONS 64 APPENDIX 1 OF...

Страница 6: ...pdates Figure 7 Figure 11 Figure 12 and Figure 19 Updates Section 6 Specifications GeminiG3 and GeminiG3 ADB Rx Sensitivity Updates Appendix 1 Officer Requires Assistance alarm function Operation Vers...

Страница 7: ...s Adds Appendix 4 Time Synchronisation and WEB Browser Cache Instructions Adds Appendix 5 Ethernet Configuration Recommendation Version 2 01 October 2006 Updates Definition pages Updates screen captur...

Страница 8: ...20131 301 Gemini G3 User Manual viii Revision of Feature list to reflect terminology used in Speci fications section Version 1 00 December 2005 Initial release of Dataradio GeminiG3 700 MHz User Manu...

Страница 9: ...in differences between the information provided herein and the product shipped The information in this document is subject to change without notice About CalAmp Corp CalAmp is a leading provider of wi...

Страница 10: ...ork that keeps the network synchronized DEV Ports RS 232 serial communications ports of the GeminiG3 wireless radiomodem DHCP Dynamic Host Configuration Protocol A networking protocol that allows ad m...

Страница 11: ...ptimized IP Compresses TCP and UDP headers and filters un necessary acknowledgments This makes the most use of the available band width OTA Over The Air Convention for the transmission and reception o...

Страница 12: ...trol Protocol Internet Protocol A network protocol for trans mitting data that requires acknowledgement from the recipient of data sent Han dles retries and flow control Telnet A user command and TCP...

Страница 13: ...ta only vehicular installations up to but not including the laptop PC and its application software Examples of applications are 1 Database inquiry systems Small number of brief messages usually from t...

Страница 14: ...kHz NPSPAC SRC16FSK 64 kb s 32 kb s 128 kb s 64 kb s 32kb s SRC8FSK 48 kb s 43 2 kb s 24 kb s 96 kb s 48 kb s 43 2 kb s 24kb s SRC4FSK 32 kb s 16 kb s 64 kb s 32 kb s 16kb s Built as a one piece integ...

Страница 15: ...iven in this manual are based on GeminiG3 operating software version 2 2x and may not apply to later software versions 1 3 Factory Technical Support The Technical Support departments of DATARADIO prov...

Страница 16: ...prob lem Please give the representative the name of a contact person who is familiar with the problem should questions arise during servicing of the unit Customers are responsible for shipping charges...

Страница 17: ...he GeminiG3 unit is not fully waterproof therefore it should be mounted sufficiently away from an opened trunk lid or opened tailgate windows or doors to avoid exposure to rain and or snow It also min...

Страница 18: ...3 Secure mounting For vehicle occupant s safety mount the GeminiG3 radiomodem securely so that the unit will not break loose in case of an accident or violent maneuvers 2 2 4 Explosive environments O...

Страница 19: ...r applied and the antenna attached c GeminiG3 unit is ready for installation Cautions When drilling mounting holes be careful to avoid damaging some vital part of the vehicle such as fuel tanks transm...

Страница 20: ...the rubber grommet and fasten se curely to the unit Do not over tighten Figure 3 Rubber grommet and shoulder screw details 6 Drill any additional holes as required for routing all cables and fit hole...

Страница 21: ...re that leads do not chafe on any metal part s Secure the wires at several locations along their length Caution Use proper crimping tool Common pliers are NOT acceptable Warning The DC Power lead must...

Страница 22: ...anti corrosion compound Insert the fuse only when installation is complete and ready to test 11 At the GeminiG3 radiomodem s position neatly coil cable slack and attach securely 2 5 Antenna The main t...

Страница 23: ...nas the center of the metal surface used for mount ing is preferable for best omni directional pattern For ground plane independent antennas installa tion may be close to the edges of the surface Inst...

Страница 24: ...the GPS antenna cables at a point about two inches in front of the unit It will be much easier hereafter to correctly identify which plug goes where You DO NOT want to cross the auxiliary plug with t...

Страница 25: ...auxiliary receiver One SMA type female connector for the GPS receiver Three LED indicators Two DE 9F RS232 ports One Ethernet 10 100BaseT port One USB port future use The rear panel includes One femal...

Страница 26: ...te boot process Power ON LEDs are paired PWR PGM RX TX Indication Solid Red TXON in progress in test mode Blinking Green on Black 1 2 sec each Flashing Green on Black Rx packet in test mode Special So...

Страница 27: ...1 DCD from GeminiG3 normally asserted 2 RXD data from GeminiG3 3 TXD data to GeminiG3 4 DTR to GeminiG3 handshaking 5 Ground 6 DSR from GeminiG3 tied to VCC through current limiting resistor 7 RTS to...

Страница 28: ...firmware can be updated remotely even over the RF network itself using the standard File Transfer Protocol FTP Figure 7 Web Interface 4 1 1 Interface Setup and Status The GeminiG3 radiomodem user int...

Страница 29: ...follow either method below A Select Obtain an IP address automatically B Select Use the following IP address Enter 192 168 201 2 in the IP address field 255 255 255 0 in the Subnet mask Leave the Def...

Страница 30: ...Figure 9 IP Network Settings with Router Paragon3 BSC3 RIPv2 route add default 192 168 202 2 Eth1 IP 192 168 202 1 MASK 255 255 255 0 RF IP 10 x y z MASK 255 0 0 0 GeminiG3 NAT DHCP Server RF IP 10 a...

Страница 31: ...an initial installation enter a User Name of 1 to 15 characters and the default Password ADMINISTRATOR upper case letters Click OK The Web interface Welcome screen opens see Figure 11 below Figure 11...

Страница 32: ...before a change was made Note Cancel command only affects the dialog boxes or option buttons in the opened window If needed go to other submenu s and make more entries Click Apply before leaving each...

Страница 33: ...identification number Configured under Setup Basic General System ID Local Time Displays time of configured time zone computed using UTC time and configured Time Zone If SNTP is enabled Position GPS...

Страница 34: ...l Number Unique number assigned to the radiomodem at time of manufacture Radio Type Identifies the unit as a model operating at 800 MHz IF Bandwidth Indicates the various bandwidths used by the radio...

Страница 35: ...ame frequency Dataradio recommends changing the System ID to some other value unique to each network Upper limit is 255 4 7 2 2 Setup Basic Basic IP Configuration Sets the IP characteristics of the Et...

Страница 36: ...figuration IP Gateway Transport Available only if IP Gateway Service selection is Custom Choose the socket connection mode from the drop down list box choices of TCP Server TCP Client or UDP Local IP...

Страница 37: ...m Description MTU Ethernet Interface MTU Default 1500 For optimal performance set at 1500 Flexibility of using lower values may be useful in testing or for particular operational conditions If a lower...

Страница 38: ...ory assigned address nnn nnn nnn nnn Factory RF IP Address Entering 0 0 0 0 sets the RF IP Address to the factory default and highlights the Factory name active address Entering nnn nnn nnn nnn RF IP...

Страница 39: ...below to set up RX and TX frequencies for each channel 1 Figure 19 Radio Table Set Up Note Exercise caution when entering RF frequencies GeminiG3 radio modem will reject any entry with a wrong freque...

Страница 40: ...to register with a base Must match the tower steering period of the bases on that frequency 0 No Tower Steering 1 to 255 Number of seconds Radio Tables Setup Enter RX and TX frequency in MHz in the a...

Страница 41: ...ignal strength of all synchronization packets re served in the last 20 seconds is below this value 4 7 3 5 Setup Advanced IP Services Figure 21 Advanced IP Configuration IP Services Setup Item Descrip...

Страница 42: ...ption SNMP Simple Network Management Protocol Disabled Enabled Default SNMP provides means to monitor collect and analyze diagnostic information After reset the GeminiG3 sends a WARMSTART trap to all...

Страница 43: ...2 The Host 2 device doesn t see the private IP address of Host 1 When Host 2 sends a reply to Host 1 Host 2 uses the destination IP address 192 168 1 1 this gets translated back to the appropriate des...

Страница 44: ...1 Source Address 192 168 1 1 Destination Address 200 1 1 1 172 30 1 1 24 192 168 1 1 24 Paragon3 NAT Enabled Management Host 1 172 30 1 2 24 External Host 1 200 1 1 1 24 Private network 172 30 1 0 24...

Страница 45: ...Destination Address 200 1 1 1 Packet 1 Source Address 10 0 1 2 Destination Address 200 1 1 1 173 30 1 1 24 10 0 1 2 24 GeminiG3 NAT Enabled Management Host 1 173 30 1 2 24 Mobile Host 1 200 1 1 1 24...

Страница 46: ...h three MIB files found inside mibs zip file dataradio regs mib contains a top level set of managed object definitions aimed at managing Datara dio products 1213 mib contains a set of managed object d...

Страница 47: ...advanced software applica tion one capable of browser function as well as being a full featured SNMP manager such as the op tional Castle Rock SNMPc Network Manager Refer to Dataradio Network Managem...

Страница 48: ...ics and statistics through the Mobile Ta bles on the base stations and to only use gcu3 mib for trap reporting For more details on Network Management using SNMP refer to Dataradio Network Management u...

Страница 49: ...bled Default Enabled Controls forwarding of multicast packets received on the RF interface to the LAN Convert Multicast to Broadcast Disabled Default Enabled When this option is enabled multicast pack...

Страница 50: ...any other unicast packets 4 7 3 6 1 1 1 Directed Broadcast Each interface of a unit has its own IP address and netmask From the IP address and netmask it is easy to calculate the broadcast address as...

Страница 51: ...dcast forwarding is enabled on the Base unit and on Mobile 1 unit If Sender wants to reach Mobile Host 1 Mobile Host 2 and Mobile Host 3 with a sin gle packet he can send to destination address 172 30...

Страница 52: ...imited Broadcast The Limited Broadcast enabled disabled option buttons control limited broadcast packets forward ing When enabled the unit forwards limited broadcast packets Upon reception of a limite...

Страница 53: ...a single packet he can send to destination address 255 255 255 255 Notice that Sender and Base units are on the same LAN routing equipment does not usually forward limited broadcast packets Base P3 R...

Страница 54: ...adcast packet it received from the Base unit If the user wants the Base unit to do the discarding of the limited broadcasting packets then the lim ited broadcast forwarding must be disabled on the Bas...

Страница 55: ...ing protocols to build the proper path from the sender to the receivers a tree like path is formed from the sender to the receivers Figure 37 Registration to multicast group First step Figure 38 Recep...

Страница 56: ...e illustration units are directly connected to the outside network ALL multicast groups MUST be identified in the Base because the Base unit uses IGMP to register the memberships to the multicast grou...

Страница 57: ...multicast groups by the Base Must be enabled on both Base and Mobiles Base address Indicates the All Base multicast group Not currently supported Outbound unit address Indicates the All Mobile multic...

Страница 58: ...G3 User Manual 46 4 7 3 7 Setup Advanced IP Optimization Tuning Figure 42 Advanced IP Configuration IP Optimization Tuning OIP Item Description RF ACK Disabled Enabled Default OIP Retries Number of O...

Страница 59: ...PS Airlink and SNTP Source selec tion for time updates is always to the one with the least on air penalty Airlink time source originates in the Paragon3 base providing the base is time aware SNTP is a...

Страница 60: ...7 3 9 Setup Advanced Ethernet PHY Figure 44 Advanced IP Configuration Ethernet PHY Item Description PHY Bitrate Auto Negotiate Force to 100 Mbps Force to 10 Mbps Default PHY Duplex Displays factory c...

Страница 61: ...s are Autonomous GPS values use no additional correction information Last known Indicates GPS data is either old or not enough satellites are present to achieve a valid location computation Invalid Wh...

Страница 62: ...120 20131 301 Gemini G3 User Manual 50 4 7 4 2 GPS Delivery Options Figure 46 GPS Delivery Options Initial screen on left screen with 2 UDP Hosts on right...

Страница 63: ...0 A D 7C NMEA GGA NMEA National Marine Electronics Associa tion a standard proto col used by GPS re ceivers to transmit data GGA GPS Fix Data Text GPGGA 202742 0 4529 7240 N 7339 8585 W 2 9 0 9 2 8 M...

Страница 64: ...rts Figure 47 GPS AAVL Item Description Report every 2 meters MDBR Maximum Distance Between Reports Distance interval the vehicle sends a position update each time it has moved this dis tance unless t...

Страница 65: ...initial installation enter the default Password ADMINISTRATOR all upper case letters For subsequent access use the Password that you will have configured New Password Enter a string of any letters or...

Страница 66: ...ut packets transmitted by RF OIP interface RX Ctrl Pkts Airlink Sublayer The total number of control input packets received by the RF Airlink Sublayer RX Data Pkts Airlink Sublayer The total number of...

Страница 67: ...eminiG3 radio modem can transmit ping packets to a given IP address Four packets are sent and the time taken for each to reach the destination and return is displayed Figure 50 Maintenance Ping Test I...

Страница 68: ...d User Configuration the option button is available if User Configuration Settings have been previ ously saved To restore to user configuration click the Restore User Con figuration option button Chec...

Страница 69: ...radiomodem firmware The firmware transfer procedure outlined in section 5 5 1 instructs to Click on Maintenance Package Control to verify integrity and wait a few moments for the results to display F...

Страница 70: ...120 20131 301 Gemini G3 User Manual 58 4 7 7 4 Maintenance RF Tests Figure 53 Control RF Tests...

Страница 71: ...on a blue background It indicates the base station to which the mobile is currently registered To set frequency see section 4 7 3 3 Active Channel These read only fields display the active RX and TX...

Страница 72: ...n in line power meter between the radio and the antenna Measure the forward nominal 27W and reflected power levels by pressing the Execute button Never exceed 1W of reflected power 100 Hz square wave...

Страница 73: ...mware ver sion of the GeminiG3 radiomodem Description Describes the functionality associated to the option numbers Status Shows the status of the functionality configured for this network 4 7 9 Site M...

Страница 74: ...hecks For checks 1 to 6 refer to Table 5 Test Checklist next page 1 Power up LED Sequence 2 Transmit power output 3 Reflected power output 4 Carrier frequency error 5 TX Deviation 6 Main RX and Aux RX...

Страница 75: ...to read fre quency error Refer to factory technical support 5 TX Deviation in kHz In Test Tone section of the page Select Modulated Press Execute Carrier will be modulated with a 1 kHz tone Refer to...

Страница 76: ...of a sufficient number of satellites to arrive at a ground position solution If the GPS has a good view of the sky and still has not generated any position solution within three minutes it may take u...

Страница 77: ...command prompt displays the intermediate routers be tween local host to the www yahoo com site 5 4 2 Configuration Information WINIPCFG WIN95 98 IPCONFIG WIN2K or IFCONFIG UNIX Ipconfig is a DOS utili...

Страница 78: ...ogram 5 5 1 Procedure 1 Using a file decompression program such as WinZIP or WinXP s right click select the Expand to or Extract to option expand the contents of the firmware upgrade package to a dire...

Страница 79: ...are in its Banner should correspond to the upgrade package version and the H W Status should also show Ok d In the left pane click on Maintenance then on Package Control Wait a few moments for the res...

Страница 80: ...th GPS receiver TX Current at 13 6 VDC 12 A TX RX separation any 5 MHz typical 30 MHz typical 45 MHz typical Size 6 0 W x 2 0 H x 7 1 D Weight 4 5 lbs RF input output Impedance 50 ohms nominal Antenna...

Страница 81: ...ometrically weighted filter GeminiG3 Rx Sensitivity for 1 Packet Error Rate PER with Parallel Decode at carrier frequency UHF 12 5 kHz Channel UHF 25 kHz Channel 700 MHz 50 kHz Channel 800 MHz 25 kHz...

Страница 82: ...orage 501 3 I A1 II Low Temperature Operations Storage 502 3 I C3 II C1 Temperature Shock Transfer of equipment 503 3 I AI C2 Vibration Ground Mobile 514 4 I 10 EIA RS 204C Forestry Shock Functional B...

Страница 83: ...n external supply and pull up resistor Figure 58 Appendix 1 Alarm Function External Power Supply Pull up Resistor The GeminiG3 radiomodem polls the AUX2 line every 50 msecs After the GeminiG3 unit deb...

Страница 84: ...Compressed Format version 2 0 reports and provided to both local delivery and remote delivery services The remote delivery service of the GeminiG3 sends re ports Out of Band OOB in any unused portion...

Страница 85: ...E DBA is a scheduled air link protocol whose algorithms were designed to favor throughput over la tency To achieve that goal the air link uses adaptive timeslots called cycles to schedule traffic The...

Страница 86: ...eroute TRACEROUTE Example C tracert w 5000 172 23 10 2 Tracing route to 172 23 10 2 over a maximum of 30 hops 1 10 ms 10 ms 10 ms 192 168 36 37 host base 2 641 ms 734 ms 750 ms 172 23 10 2 host base m...

Страница 87: ...of day section 4 7 3 7 its time and date restarts from the same point typically 1970 01 01 00 00 00 after each reset or power up In this condi tion the timestamp applied to web pages during a firmwar...

Страница 88: ...eer Connection closed by remote host ftp FTP Recommendation Certain Ethernet cards have as default the option to calculate the Rx Tx checksum through the hardware on the Ethernet card instead of the O...

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