MaxStream XStream-PKG-R RS-232 Product Manual
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MaxStream XStream-PKG-R RS-232 Product Manual

Xstream-pkg-r rs-232/485 rf modem
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XStream-PKG-R™ RS-232/485 RF Modem
XStream RS-232/485 RF Modem
Interfacing Protocol
RF Modem Operation
RF Modem Configuration
RF Communication Modes
Appendices
Product Manual
For XStream RF Modem Part Numbers:
900 MHz & 2.4 GHz Stand-alone RF Modems by MaxStream, Inc.
355 South 520 West, Ste. 180
Lindon, UT 84042
Phone: (801) 765-9885
Fax: (801) 765-9895
rf-xperts@maxstream.net
www.maxstream.net
v5.x00
X09-001PK...-R...
X09-009PK...-R...
X09-019PK...-R...
X24-009PK...-R...
X24-019PK...-R...
XH9-001PK...-R...
XH9-009PK...-R...
XH9-019PK...-R...
M100019
2006.02.24

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Summary of Contents for MaxStream XStream-PKG-R RS-232

  • Page 1 For XStream RF Modem Part Numbers: X09-001PK…-R… X24-009PK…-R... XH9-001PK…-R... X09-009PK…-R… X24-019PK…-R… XH9-009PK…-R… X09-019PK…-R… XH9-019PK…-R… 900 MHz & 2.4 GHz Stand-alone RF Modems by MaxStream, Inc. 355 South 520 West, Ste. 180 Lindon, UT 84042 Phone: (801) 765-9885 Fax: (801) 765-9895 rf-xperts@maxstream.net M100019 2006.02.24 www.maxstream.net...
  • Page 2 XStream‐PKG‐R™ RS‐232/485 RF Modem – Product Manual v5.x00 [2006.02.24]  © 2006 MaxStream, Inc. All rights reserved The contents of this manual may not be transmitted or reproduced in  any form or by any means without the written permission of  MaxStream, Inc.   XStream™ is a trademark of MaxStream, Inc.      Technical Support  Phone: (801) 765‐9885  Live Chat: www.maxstream.net   E‐Mail: rf‐xperts@maxstream.net   © 2006 MaxStream, Inc. Confidential & Proprietary                 ii ...

  • Page 3: Table Of Contents

    1-Year Warranty 60 3.1.1. RS-232 and RS-485/422 Data Flow Ordering Information 60 3.1.2. Host and RF Modem I/O Settings 3.1.3. Flow Control Contact MaxStream 61 3.2. Modes of Operation 14 3.2.1. Idle Mode 3.2.2. Transmit Mode 3.2.3. Receive Mode 3.2.4. Sleep Modes 3.2.5.

  • Page 4: Xstream Rs-232/485 Rf Modem

    World-Class Technical Support 1.1.1. Worldwide Acceptance FCC Certified (USA) - Refer to Appendix A for FCC Requirements. Systems that contain XStream RF Modems automatically inherit MaxStream Certifications. ISM (Industrial, Scientific & Medical) frequency band Manufactured under ISO 9001:2000 registered standards 9XStream (900 MHz) RF Modems are approved for use in US, Canada, Australia &...

  • Page 5: Specifications

    ½ wave dipole whip, 5.25” (13.3 cm), 2.1 dBi Gain Connector Reverse-polarity SMA Reverse-polarity SMA Impedance 50 ohms unbalanced 50 ohms unbalanced Certifications (Refer to www.maxstream.net for additional certifications) FCC Part 15.247 OUR9XSTREAM OUR-24XSTREAM Industry Canada (IC) 4214A-9XSTREAM 4214A 12008...

  • Page 6: External Interface

    Port is a 50Ω RF signal connector for connecting to an external Figure 1.3. DIP Switch Settings  antenna. The connector type is RPSMA (Reverse Polarity SMA) female. The connector has threads on the outside of a barrel and a male center conductor. Refer to table in the “Automatic  DIP Switch Configurations” [p19]  section for more information about  configurations triggered by the  DIP Switch.  © 2006 MaxStream, Inc. Confidential & Proprietary                 6 ...

  • Page 7: Interfacing Protocol

    Request-to-Send enables “Command Mode” on the RF Modem Clear-to-Send Provides flow control Optional power input that is connected internally to Ring Indicator the positive lead of the front power connector * Inside the XStream RF Modem is an XStream OEM RF Module. The names in this column refer to the pin  signals of the embedded RF module. XStream Commands [p24] used to configure pin behaviors are named  according to the pins of the module, not the RS‐232 connection pins.  © 2006 MaxStream, Inc. Confidential & Proprietary                 7 ...
  • Page 8 XStream‐PKG‐R™ RS‐232/485 RF Modem – Product Manual v5.x00 [2006.02.24]  Wiring Diagram: RS-232 DTE Device to a DCE RF Modem Figure 2.3.   RS‐232 DTE (male connector) device wired to an XStream RF Modem (female connector)     Wiring Diagram: DCE RF Modem to an RS-232 DCE Device Figure 2.4.   XStream RF Modem (female connector) wired to an RS‐232 DTE (male connector) device  Sample Wireless Connection: DTE Figure 2.5.   Typical wireless link between DTE and DCE devices  © 2006 MaxStream, Inc. Confidential & Proprietary                 8 ...

  • Page 9: 2-Wire) Operation

    Transmit serial data to and from the T/R+ (TRB) Positive Data Line XStream RF Modem Optional power input that is connected internally Power to the front power connector 1, 3, 4, 6, 7 not used Wiring Diagram: RS-485 (2-wire) Half-Duplex Figure 2.9.    XStream RF Modem in an RS‐485 (2‐wire) half‐duplex environment  © 2006 MaxStream, Inc. Confidential & Proprietary                 9 ...

  • Page 10: 4-Wire) & Rs-422 Operation

    Serial data sent from the XStream RF Modem Data Line Optional power input that is connected internally Power to the front power connector 1, 4, 6 not used Wiring Diagram: RS-485 (4-wire) Half-Duplex Figure 2.13.    XStream RF Modem in an RS‐485 (4‐wire) environment  © 2006 MaxStream, Inc. Confide ntial & Proprietary                 10  ...
  • Page 11 Figure 2.16.    Female (green) DB‐9 to RJ‐45 Adapters  An RS-232 Accessories Kit is available that includes connectors that facilitate RS-232/485/422 and other serial communications. Refer to the Development Guide in Appendix B for information concerning the connectors and tools included in the kit. © 2006 MaxStream, Inc. Confidential & Proprietary                 11 ...

  • Page 12: Rf Modem Operation

    Both the XStream RF Modem and host (PC) settings can be viewed and adjusted using MaxStream’s proprietary X-CTU Software. Use the “PC Settings” tab to configure host settings. Use the “Terminal” or “Modem Configuration” tabs to configure the RF Modem settings. Refer to the RF Modem Configuration sections for more information [p21].

  • Page 13: Flow Control

    DO Buffer as long as is de-asserted. Software Flow Control (XOFF). XON/XOFF software flow control can be enabled using the FL (Software Flow Control) Command. This option only works with ASCII data. © 2006 MaxStream, Inc. Confidential & Proprietary                 13 ...

  • Page 14: Modes Of Operation

    PK bytes were originally pending in the DI buffer or if more bytes arrived from the UART after the transmission began. If more data is pending, the transmitting modem assembles a subsequent packet for transmission. © 2006 MaxStream, Inc. Confidential & Proprietary     ...
  • Page 15 Figure 3.4. Data Transmission Sequence    RF Data Packet The RF packet is the sequence of data used for communicating information between MaxStream Modems. An RF Packet consists of an RF Initializer and RF Data. Figure 3.5. RF Data Packet Components  * When streaming multiple RF packets, the RF Initializer is only sent in front of the first packet.

  • Page 16: Receive Mode

    (SM = 3-8) when sleeping Note: The cyclic sleep time interval must be forced into Idle Mode shorter than the “Wake-up Initializer Timer” if PW (Pin Wake-up) (set by LH Command). Command is issued. For more information about Sleep Modes, refer to the individual commands listed in “Related Commands”  column of the table. The SM command is central to all Sleep Mode configurations.  © 2006 MaxStream, Inc. Confidential & Proprietary                 16 ...
  • Page 17 With these parameters set, there is no risk of the receiving modem being asleep for the duration of wake-up initializer transmission. “Cyclic Scanning” explains in further detail the relationship between “Cyclic Sleep” and “Wake-up Initializer Timer” © 2006 MaxStream, Inc. Confidential & Proprietary                 17 ...
  • Page 18 Figure 3.7. Correct Configuration (LH > SM)  Length of the wake‐up initializer exceeds the time interval of Cyclic Sleep. The receiver is guaranteed to detect  the wake‐up initializer and receive the accompanying payload data.  Figure 3.8. Incorrect Configuration (LH < SM)  Length of wake‐up initializer is shorter than the time interval of Cyclic Sleep. This configuration is vulnerable  to the receiver waking and missing the wake‐up initializer (and therefore also the accompanying payload data).    © 2006 MaxStream, Inc. Confidential & Proprietary                 18 ...

  • Page 19: Command Mode

    If no valid AT Commands are received within the time specified by CT (Command Mode Timeout) Command, the Modem automatically returns to Idle Mode. For examples that illustrate the steps of programming the modem using AT Commands, refer to the RF Modem Configuration [p21] chapter. © 2006 MaxStream, Inc. Confidential & Proprietary                 19 ...
  • Page 20 Configuration) parameter must be set to one. If binary programming is not enabled (RT ≠ 1), the modem will not recognize that the CMD pin is asserted and therefore will not recognize the data as binary commands. © 2006 MaxStream, Inc. Confidential & Proprietary     ...

  • Page 21: Rf Modem Configuration

    RF Modem is powered-on), it is necessary to disable a processor located on the XIB-R interface board. To disable the processor, populate the J7 jumper of the XIB-R Interface Board. By default, J7 is not populated. © 2006 MaxStream, Inc. Confidential & Proprietary     ...

  • Page 22: Programming Examples

    Command Mode section [p19]. 4.2.1. AT Commands MaxStream has provided X-CTU software for programming the modem using an extensive list of AT Commands. The X-CTU software provides an interface that is divided into four tabs that facilitate the following functions: •...

  • Page 23: Binary Commands

    The following steps show how to read currently stored modem parameter values; then restore the modem parameters to their factory-default states. Open the X-CTU program (Start --> Programs --> MaxStream --> X-CTU): Under the “PC Settings” tab, select the PC Serial Com Port from the dropdown list that will be used to connect to the RF Modem.

  • Page 24: Command Reference Table

    0 – 0xFFFF [0 = disabled] Networking & Security 0xFFFF 0x14 (20d) Firmware Version 0 x 0xFFFF [read-only] Diagnostics 0x08 (8d) Write (Special) * Firmware version in which command and parameter options were first supported.  NOTE: AT Commands issued without a parameter value will return the currently stored parameter. © 2006 MaxStream, Inc. Confidential & Proprietary                 24 ...

  • Page 25: Command Descriptions

    BD register. For example, a rate of 19200 bps can be set by sending the following command line "ATBD4B00". NOTE: When using MaxStream’s X-CTU Software, non-standard interface data rates can only be set and read using the X-CTU ‘Terminal’ tab. Non-standard rates are not accessible through the ‘Modem Configuration’...
  • Page 26 Mode Sequence activates AT Command Mode Number of bytes returned: 1 (from Idle Mode). Related Commands: AT (Guard Time After), BT (Guard Time Before) Refer to the AT Commands section [p19] to view the default AT Command Mode sequence. © 2006 MaxStream, Inc. Confidential & Proprietary                 26 ...
  • Page 27 “CONNECTXXXX” string is sent to the host of the Parameter Configuration base modem. “XXXX” is the MY (Source Address) enable of the connected remote modem. disable Default Parameter Value: 0 Number of bytes returned: 1 Minimum Firmware Version Required: 4.30 © 2006 MaxStream, Inc. Confidential & Proprietary                 27 ...
  • Page 28 If MD = 1, the base MD (RF Mode) modem will force the disconnection of an Minimum Firmware Version Required: 4.30 exclusive connection. If MD = 2, the remote modem will send a “Disconnect Request Packet” to the base modem. © 2006 MaxStream, Inc. Confidential & Proprietary                 28 ...
  • Page 29 Once the “Receive Error Count” reaches its Related Commands: GD (Receive Good Count) maximum value (up to 0xFFFF), it remains at its maximum count value until the maximum count value is explicitly changed or the modem is reset. © 2006 MaxStream, Inc. Confidential & Proprietary                 29 ...
  • Page 30 Number of bytes returned: 1 network uses a different hopping sequence. Related Commands: DT (Destination Address), Different channels can be used to prevent ID (Modem VID), MK (Address Mask) modems in one network from listening to transmissions of another. © 2006 MaxStream, Inc. Confidential & Proprietary                 30 ...
  • Page 31 Number of bytes returned: 2 must be enabled for the update to take place. Related Commands: BK (Serial Break Passing), BO (Serial Break Timeout), CO (DO3 Timeout), DR (Disconnect), RT (DI2 Configuration), TO (DO2 Timeout) Minimum Firmware Version Required: 4.30 © 2006 MaxStream, Inc. Confidential & Proprietary                 31 ...
  • Page 32 If the “ANDed” value does not match either (Source Address) the Destination Address or the Address Mask of the receiver, the packet is discarded. (All “0” values are treated as “irrelevant” values and are ignored.) © 2006 MaxStream, Inc. Confidential & Proprietary                 32 ...
  • Page 33 Minimum Firmware Version Required: 4.30 Characters) parameter. RB must always be less than or equal to PK. If PK is changed to a value less than the current value of RB, RB is automatically lowered to be equal to PK. © 2006 MaxStream, Inc. Confidential & Proprietary                 33 ...
  • Page 34 If two modems attempted to transmit at the same time, the random time delay after packet failure would allow one of the two modems to transmit the packet successfully, while the other would wait until the channel opens up to begin transmission. © 2006 MaxStream, Inc. Confidential & Proprietary     ...
  • Page 35 The packet will be transmitted repeatedly until an acknowledgement is received or until the packet has been sent RR times. Note: For retries to work correctly, all modems in the system must have retries enabled. © 2006 MaxStream, Inc. Confidential & Proprietary     ...
  • Page 36 <Diagnostics> Set/Read the serial number high AT Command: ATSH word of the modem. Binary Command: 0x25 (37 decimal) Parameter Range: 0 – 0xFFFF [Read-only] Number of bytes returned: 2 Related Commands: SL (Serial Number Low) Minimum Firmware Version Required: 4.27C © 2006 MaxStream, Inc. Confidential & Proprietary                 36 ...
  • Page 37 Number of bytes returned: 2 only be used if Cyclic Sleep or Serial Port Sleep Related Commands: SM (Sleep Mode), LH Mode settings have been selected using SM (Wake-up Initializer Timer), HT (Time before (Sleep Mode) Command. Wake-up Initializer) © 2006 MaxStream, Inc. Confidential & Proprietary                 37 ...
  • Page 38 Number of bytes returned: 2 not successfully received and have been dropped. Related Commands: RR (Retries) The TR Parameter is not non-volatile and will Minimum Firmware Version Required: 4.22 therefore be reset to zero each time the modem is reset. © 2006 MaxStream, Inc. Confidential & Proprietary                 38 ...
  • Page 39 (Parameter values remain in the modem’s memory until overwritten by future use of WR Command). If changes are made without writing them to non-volatile memory, the modem reverts back to previously saved parameters the next time the modem is powered-on. © 2006 MaxStream, Inc. Confidential & Proprietary                 39 ...

  • Page 40: Rf Communication Modes

    Acknowledged Mode [p46], Multi-Streaming Mode [p48] Peer-to-Peer Modems remain synchronized without use of a master/server. Each modem shares the roles of master and slave. MaxStream’s peer-to- Definition peer architecture features fast synch times (35ms to synchronize modems) and fast cold start times (50ms before transmission).

  • Page 41: Addressing

    Address of the TX modem is logically “ANDed” with the Address Mask of the RX modem. Figure 5.3. Address Recognition (Receiving Modem)  TX_DT = Transmitter Destination Address  RX_DT = Receiver Destination Address  RX_MY = Receiver Source Address  NOTE: For more information regarding addressing and masks, refer to Application Note ‘XST- AN004b’. (Located on the MaxStream CD and on the web: www.maxstream.net) © 2006 MaxStream, Inc. Confidential & Proprietary                 41 ...

  • Page 42: Basic Communications

    0 and (RN-1) if the local (i.e. receiving modem’s) RN parameter is set to a non-zero value. These delays are intended to lessen congestion following long bursts of packets from a single transmitting modem, during which several receiving modems may have become ready to transmit. © 2006 MaxStream, Inc. Confidential & Proprietary                 42 ...

  • Page 43: Repeater Mode

    This mechanism eliminates the need for configuring specific routes. The network is self- organizing and self-healing so that the system is able to receive transmissions in the event of a modem going down. Figure 5.5. Sample Repeater Network Topology  © 2006 MaxStream, Inc. Confidential & Proprietary                 43 ...
  • Page 44 Where L is the length of the transmitted packet in milliseconds, DS is the number of delay slots to wait, RSSI is the received signal strength in dBm, RN is the value of the RN register and RandomInt(A,B) is a function that returns a random integer from A to B-0 © 2006 MaxStream, Inc. Confidential & Proprietary     ...
  • Page 45 32 byte packet in 12 ms for a round trip with UART transfer times of ~30ms or 33 polls per second (1066 bytes per second) with no repeaters. With two repeaters the time would be ~100ms round trip time for 10 polls per second or 320 bytes per second network throughput with two repeaters. © 2006 MaxStream, Inc. Confidential & Proprietary                 45 ...

  • Page 46: Acknowledged Communications

    Idle Mode and may receive RF data. This can h the effect of increasing the ba ck-off delay, as the radio cannot return to RF transmit (or retransmit) mode as long as it is receiving RF data. © 2006 MaxStream, Inc. Confidential & Proprietary                 46 ...
  • Page 47 RN parameter is set to a nonzero value. These delays are intended to lessen congestion following long bursts of packets from a single transmitting modem, during which several receiving modems may have themselves become ready to transmit. © 2006 MaxStream, Inc. Confidential & Proprietary     ...

  • Page 48: Multi-Streaming Mode

    CGP (Connection Grant Packet) is broadcast to all remote modems in the network to communicate the base in engaged in an exclusive connection. Upon receipt of the CGP notification, remote modems will wait for a DGP (Disconnect Grant Packet) before attempting again to send data to the base modem. © 2006 MaxStream, Inc. Confidential & Proprietary                 48 ...
  • Page 49 A remote will request a disconnect if DI3 is de-asserted and the remote is currently connected the base. Refer to DR (DI3 Configuration) Command. A remote or a base modem receives the ATDC (Disconnect) Command. © 2006 MaxStream, Inc. Confidential & Proprietary                 49 ...
  • Page 50 The CGP and DGP packets will be sent RR times to begin and end the global connection respectively. The connection can be terminated by CE, CB timers, DI3 or ATDC Command as any other connections. © 2006 MaxStream, Inc. Confidential & Proprietary                 50 ...
  • Page 51 (low) when there is no connection. A base modem can also be set to send the “CONNECT XXXX” string (where “XXXX” is the connecting modem’s MY (Source Address) parameter) anytime a connection is established. Refer to CM (Connection Message) Command. © 2006 MaxStream, Inc. Confidential & Proprietary                 51 ...

  • Page 52: Appendix A: Agency Certifications

    IMPORTANT: The 9XStream (900 MHz) and 24XStream (2.4 GHz) OEM Modems have been certified by the FCC for use with other products without any further certification (as per FCC section 2.1091). Changes or modifications not expressly approved by MaxStream could void the user’s authority to operate the equipment.

  • Page 53: Oem Labeling Requirements

    This test is called the Specific Absorption Rate (SAR) testing and measures the emissions from the radio modem and how they affect the person. Over 100 additional antennas have been tested and are approved for use with MaxStream 900 MHz Radio Modems (including “Mag Mount”, “Dome”, “Multi-path” and “Panel” antennas).

  • Page 54: Fcc-Approved Antennas

    Type Gain Application Min. Separation Distance Yagi 6.2 dBi Fixed/Mobile ** 20 cm Yagi 7.2 dBi Fixed/Mobile ** 20 cm MaxStream A09-Y8 Yagi 8.2 dBi Fixed/Mobile ** 20 cm Yagi 9.2 dBi Fixed/Mobile ** 20 cm Yagi 10.2 dBi Fixed/Mobile **...

  • Page 55: European Compliance (2.4 Ghz Only)

    EMC and safety. Files are located in the ‘documentation’ folder of the MaxStream CD. Important Note MaxStream does not list the entire set of standards that must be met for each country. MaxStream customers assume full responsibility for learning and meeting the required guidelines for each country in their distribution market.

  • Page 56: Europe (2.4 Ghz) Approved Antenna List

    • Modulation: Frequency Shift Keying • Channel Spacing: 400 kHz • ITU Classification: 400KF1D • Output Power: 100 mW EIRP • Notified Body Number: 0891 Contact MaxStream (801) 765-9885 if additional information is required. Europe (2.4 GHz) Approved Antenna List Table A.3. Antennas approved for use with 24XStream (2.4 GHz) RF Modems in Europe  Minimum Separation...

  • Page 57: Appendix B: Development Guide

    For example: Part number “X09-019PKC-RA” includes the listed accessories and part number “X09-019PKC-R” does not. The accessories kit includes hardware and software needed for developing long range wireless links. For testing the modem’s range, MaxStream recommends the purchase of one RF Modem with the accessories and one without.

  • Page 58: Adapters

    (DTE). Figure B.2. Male NULL modem adapter and pinouts  Figure B.3. Example of a MaxStream Radio Modem (DCE Device) connecting to another DCE device)  NULL Modem Adapter (female-to-female) Part Number: JD3D3-CDN-A (Gray, DB-9 F-F) The female-to-female NULL modem adapter is used to verify serial cabling is functioning properly. To test cables, insert the female-to-female NULL modem adapter in place of a pair of modem assemblies (XIB-R-R interface board + XStream Modem) and test the connection without radio modems in the connection.

  • Page 59: Antennas

    As a general rule, it is best to keep the RF cable as short as possible. All cables promote signal loss which is usually measured in dB loss per 100 ft. MaxStream provides LMR- 195 rated cables. Common cables and dB losses are included in this table: Table B.2.

  • Page 60: Appendix C: Additional Information

    XStream‐PKG‐R™ RS‐232/485 RF Modem – Product Manual v5.x00 [2006.02.24]  Appendix C:  Additional Information  1-Year Warranty XStream RF Modems from MaxStream, Inc. (the ʺProductʺ) are warranted against defects in materials  and workmanship under normal use, for a period of 1‐year from the date of purchase. In the event of  a product failure due to materials or workmanship, MaxStream will repair or replace the defective  product. For warranty service, return the defective product to MaxStream, shipping prepaid, for  prompt repair or replacement.  The foregoing sets forth the full extent of MaxStreamʹs warranties regarding the Product. Repair or  replacement at MaxStreamʹs option is the exclusive remedy. THIS WARRANTY IS GIVEN IN LIEU  OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, AND MAXSTREAM SPECIFICALLY  DISCLAIMS ALL WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR  PURPOSE. IN NO EVENT SHALL MAXSTREAM, ITS SUPPLIERS OR LICENSORS BE LIABLE FOR  DAMAGES IN EXCESS OF THE PURCHASE PRICE OF THE PRODUCT, FOR ANY LOSS OF USE,  LOSS OF TIME, INCONVENIENCE, COMMERCIAL LOSS, LOST PROFITS OR SAVINGS, OR  OTHER INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE  OR INABILITY TO USE THE PRODUCT, TO THE FULL EXTENT SUCH MAY BE DISCLAIMED BY  LAW. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR  CONSEQUENTIAL DAMAGES. THEREFOR, THE FOREGOING EXCLUSIONS MAY NOT APPLY  IN ALL CASES. This warranty provides specific legal rights. Other rights which vary from state to  state may also apply.  Ordering Information Figure C.1    MaxStream RF Modem Part Numbers Key  © 2006 MaxStream, Inc. Confidential & Proprietary                 60 ...

  • Page 61: Contact Maxstream

    XStream‐PKG‐R™ RS‐232/485 RF Modem – Product Manual v5.x00 [2006.02.24]  Contact MaxStream Free and unlimited technical support is included with every MaxStream Radio Modem sold. Please use the following resources for additional support: Documentation: www.maxstream.net/support/downloads.php Technical Support: Phone. (866) 765-9885 toll-free U.S. & Canada (801) 765-9885 Worldwide Live Chat.

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