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Page 9

Chapter 1: Specifications

Dimensional Diagrams

Dimensions for the modem are shown in Figures 1-1 through 1-3.

Figure 1-1. MDR100A-R5 top view.

Figure 1-2. MDR100A-R5 front view.

Figure 1-3. MDR100A-R5 back view.

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Содержание MDR100A-R5

Страница 1: ...0 MHz Wireless Modem MDR100A R5 MDR112A R5 Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 7...

Страница 2: ...upport at 724 746 5500 or go to blackbox com and click on Talk to Black Box You ll be live with one of our technical experts in less than 60 seconds Trademarks Used in this Manual Black Box and the Do...

Страница 3: ...t appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe A prescrites dans le R glement sur le brouillage radio lectrique publi...

Страница 4: ...n el flujo de aire por los orificios de ventilaci n 10 El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyend...

Страница 5: ...1 Point to Multipoint TDMA 20 4 2 2 Adaptive TDMA 21 4 2 3 GPS Indexed TDMA ADHOC 22 4 2 4 Fast TDMA 22 4 3 Peer to Peer 27 4 4 Everyone to Everyone 27 5 Configuration 30 5 1 AT Commands 30 A Answer...

Страница 6: ...44 S153 Address Tag 44 S158 Forward Error Correction FEC Mode 44 S159 Encryption Mode AES 45 S177 Binary Encryption Key 45 S217 Protocol Type 46 S232 Max Buffer in Storage 46 S237 Sniff Timeout 46 S2...

Страница 7: ...ts no parity 1 stop bit and no handshaking then open the connection at bottom left of HyperTerminal window the word Connected should appear Plug the included power adapter 8 30 VDC into a wall outlet...

Страница 8: ...er 100 mW to 1 W 20 30 dBm Sensitivity 116 dBm slow 108 dBm fast 100 dBm turbo Core Voltage 3 3 VDC nominal 0 3 V Current Consumption See Table 1 1 below Environmental Operating Temperature 40 to 185...

Страница 9: ...box com Page 9 Chapter 1 Specifications Dimensional Diagrams Dimensions for the modem are shown in Figures 1 1 through 1 3 Figure 1 1 MDR100A R5 top view Figure 1 2 MDR100A R5 front view Figure 1 3 MD...

Страница 10: ...or MDR112A R5 include Transmission within a public license exempt band of the radio spectrum1 this means that the modems may be used without access fees or recurring charges such as those incurred by...

Страница 11: ...ata The components are described in Table 2 1 The TX LED on the unit on the left is lit red to indicate that it is transmitting data 1 2 3 4 1 2 3 5 Figure 2 1 Front panel Table 2 1 Modem components N...

Страница 12: ...G 5 DSR RTS CTS Data Port RS 232 Port DCE The DATA RS 232 Port DCE on the rear of the circuit board is used for RS 232 serial data 300 230 400 bps when in DATA MODE or for configuring the modem when i...

Страница 13: ...nterface type Either the RS 232 or RS 422 485 interface is used for data traffic Vin Vin is used to power the unit The input Voltage range is 9 30 VDC Table 2 4 RS 422 485 port pinout Green Conn Pin N...

Страница 14: ...a 9 pin straight through serial cable from the PC COM port to the rear RS 232 port Launch a terminal communications program e g HyperTerminal and configure for the MDR100A R5 or MDR112A R5 s establish...

Страница 15: ...but throughput is critical place two modems at the Repeater site in a back to back configuration One modem would be configured as a Slave in the upstream network the other a Master or Slave in the do...

Страница 16: ...in troubleshooting if settings have been adjusted and basic communications cannot be established simply revert to the applicable factory default setting and any improper adjustments will be overwritte...

Страница 17: ...er s destination S140 is 2 the Unit Address S105 of the Slave the Slave s destination is the Master Figure 4 2 F7 Slave Configuration View Network Type S133 is set to 1 for PTP operation NOTE The Mast...

Страница 18: ...serial port of the other modem The Slave is synchronized to the Repeater which in turn is synchronized to the Master If the Repeater is taken offline in a matter of moments the Slave s RSSI LEDs will...

Страница 19: ...ter configuration reveals the following differences with respect to the PTP factory default Master S133 0 PMP network and S140 65535 the broadcast address indicating that this Master point will send i...

Страница 20: ...maximum number of Remotes that can communicate with a Master in this configuration is 213 8192 To configure a Standard TDMA network the default settings described in 4 2 apply with the exception that...

Страница 21: ...its turn to send it data it will send a channel request to the Master at the end of the current TDMA cycle where the master will accept requests for a specified number of hops Once the Master radio h...

Страница 22: ...eg ister S109 as follows Table 4 1 GPS Indexed TDMA Time Slots Hop Interval S109 of Slaves of Time Slots 200 ms 5 5 100 ms 10 10 50 ms 20 20 25 ms 40 40 20 ms 50 50 10 ms 100 100 5 ms 200 200 The vali...

Страница 23: ...tical and defined by the S212 register The slot size for the user data of the Master as defined by the Master unit s S112 register it does not have to match the slot size of the remote units S212 The...

Страница 24: ...size of the remotes S212 on master 100 bytes The Max Packet size of the Master s data to the remotes S112 on master 200 bytes Using the formula given above T_tdma_table 10 2 3076 0 0684 10 2 9916 T_da...

Страница 25: ...he TDMA table Limitations a Remote diagnostics is not supported because packets sizes vary Only local diagnostics is supported in this mode b Repeaters are not supported Factory default settings AT F1...

Страница 26: ...9 62 2015 15 2060 63 2016 16 2061 64 2017 17 2062 65 2018 18 2063 66 2019 19 2064 67 1 20 2065 68 2020 21 2066 69 2021 22 2067 70 2022 23 2068 71 2023 24 2069 72 2024 25 2070 73 2025 26 2071 74 2026 2...

Страница 27: ...the UA of Slave 2 Save the change using the AT W command Go online with the ATA command Slave 2 Enter into Command Mode Load the F2 factory default settings Change the Network Type S133 to 2 Change t...

Страница 28: ...in an E2E network travels to the Master and is then re broadcast to all other remotes The following factors must be considered when preparing to configure the modems The application Network topology P...

Страница 29: ...5 s configuration are made using convenient AT commands the majority of which involve Settings S Registers As discussed in Section 5 there are several factory default settings that can make configurat...

Страница 30: ...display of both the mean and peak signal levels in dBm found on each channel The graphical display is limited from 110dBm to 53dBm and is in 1 dB increments Ignore the leftmost asterisk in calculation...

Страница 31: ...s Fstop stop frequency in MHz including 0 6 decimal places S step increment in kHz from 1 1000 D dwell time in ms from 1 1000 Example ATN 905 250 908 500750 25 100 NOTE Be sure to enter spaces as show...

Страница 32: ...e to comply with regulations Following is an example of entering Frequency Restrictions on a MDR100A R5 or MDR112A R5 modem First the AT H0 command is invoked Figure 5 1 Frequency Restriction The mode...

Страница 33: ...ite it To remove a restriction overwrite it with 000 000 H1 Repeater Registration When more than one Repeater exists in a network the Unit Address of each Repeater should be registered within every mo...

Страница 34: ...criptions the particular command will not appear in the AT V view configuration display S2 Escape Code Escape character If 127 escape feature is disabled Modification of this register may be necessary...

Страница 35: ...local asynchronous device Values bps 0 230400 8 7200 1 115200 9 4800 2 57600 10 3600 3 38400 11 2400 4 28800 12 1200 5 19200 13 600 6 14400 14 300 7 9600 NOTE Most PCs do not readily support serial c...

Страница 36: ...ier of each modem in a network The address value is 16 bits in length The Master has by default and must retain a unit address of 1 65535 is the broadcast address Values 2 65534 S107 Static Mask This...

Страница 37: ...just S109 also consider the serial baud rate wireless link rate and maximum packet size S102 S103 and S112 NOTE Hop Interval S109 should only be changed if recommended by Technical Support and or for...

Страница 38: ...ic behaviors in various network topologies 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 giv...

Страница 39: ...dress S104 and static mask S107 as the Remote If that upstream unit fails this Remote will attempt to synchronize with another upstream unit within the same network This ability is helpful in mobile a...

Страница 40: ...TE A Master modem s RSSI LEDs will not lighte until such time as it receives valid packets from a downstream unit Also if the downstream unit s fail s a Master will maintain the last RSSI reading disp...

Страница 41: ...a network the Repeaters should be registered See Section 6 1 AT H1 Repeater Registration for how to accomplish this S142 Serial Channel Mode This register defines the physical serial interface that wi...

Страница 42: ...y to find a master or repeater to synchronize to The amount of time the unit tries to find a master is determined by the number of hops rather than time Time can be calculated by multiplying the numbe...

Страница 43: ...f time specified in S145 it will go to sleep it will go to sleep immediately if the upstream unit is offline or goes into sleep sniff mode Values seconds 0 65535 10 NOTE The most effective way to put...

Страница 44: ...source unit address high byte fourth source unit address low byte Value 0 disable 1 enable S158 FEC Forward Error Correction Mode A number of FEC schemes are available with different coding rates FEC...

Страница 45: ...me AES setting and encryption key on every modem in the network The size of the key is depends on the level of AES 128 bit AES 16 Byte Encryption Key 192 bit AES 24 Byte Encryption Key 256 bit AES 32...

Страница 46: ...any hops the unit will sniff for when the Sleep Time S144 expires Calculate the Sniff Timeout sniff duration in milliseconds as follows Sniff Timeout S237 hops x hop interval per S109 Values hops 1 25...

Страница 47: ...eted sending all of its data before the Master sequences to the next Remote to be given permission to transmit Values hops 1 254 10 5 3 Serial Interface Commands A number of register settings are spec...

Страница 48: ...ified Values 0 DTR ignored 2 deassert DTR to force module into Command mode at serial baud rate set by S102 DTR must be reasserted before putting module back into data mode normally done using the ATA...

Страница 49: ...dequate fade margin Required transmit power is dictated primarily by distance antenna type specifically the gain of the antennas being used and the receive sensitivity of the distant modem Also consid...

Страница 50: ...lyzer function may be used to identify areas of potential interference Cavity filters are also available if required 6 1 Path Calculation Assuming adequate antenna heights a basic formula to determine...

Страница 51: ...e Yagi are perpendicular to the ground most common orientation the radiated signal will be vertically polarized if parallel to the ground the polarization is horizontal The network topology applicatio...

Страница 52: ...works where there is not a lot of margin available consider using a cable with lower loss When installing cable do not damage it be particularly careful with respect to not kinking it at any time and...

Страница 53: ...x Registered Slave List TDMA view list Tn UA set list number n equal to Remote s Unit Address Tn view list item n Fn Load Factory Default Configuration Follow AT F with either of the following n 1 MAS...

Страница 54: ...n DSR Data Set Ready Controls modem s DSR line and determines when it is active 0 DSR always on 1 DSR ON in data mode OFF in command mode 2 DTR DSR signaling slaves and repeaters output state of maste...

Страница 55: ...S0 Auto Answer 0 modem will power up in command mode 1 modem will power up in data mode S2 Escape Code Contains ASCII value of escape character 43 is the default value which represents the ASCII chara...

Страница 56: ...255 3 S118 Roaming 65535 roaming enabled 1 254 fixed upstream unit 1 S119 Quick Enter to Command Mode 0 disabled 1 enabled S123 RSSI Value dBm read only S133 Network Type 0 Point to Multipoint PMP 1 P...

Страница 57: ...nc 1 quick sync mode wait for acknowledgement 2 quick sync mode wait for timeout S151 Quick Sync Timeout ms 100 65534 200 S153 Address Tag 0 disable 1 enable S158 FEC Mode 0 No FEC 1 Hamming 7 4 2 Ham...

Страница 58: ...ize the line at the right time when it trans mits Note again that a transmission line termination is required if the system has high data rates and long wiring runs Figure C 1 2 wire RS 485 Configurat...

Страница 59: ...ration of the problem when the problem occurs the components involved in the problem any particular application that when used appears to create the problem or make it worse Host computer make and mod...

Страница 60: ...upport available in 60 seconds or less Copyright 2015 Black Box Corporation All rights reserved Black Box and the Double Diamond logo are registered trademarks of BB Technologies Inc Any third party t...

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