Information and Communication System ¸PostMan IIClient-server architecture for advanced Internet/intranet communications via radio

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The following applications are possible:◆ E-mail (with attachment)◆ Fax service◆ Voice mail◆ File transfer (FTP)◆ Chat◆ Transparent TCP/IP◆ Radio telephony◆ GPS tracking◆ Broadcast telegram mode

E-mail

Any e-mail client such as Microsoft Outlook or Lotus Notes can be used for e-mail transmission. To reduce transmis-sion time, both the text body and the attached fi les undergo data compres-sion. If the radio link is interrupted, ¸PostMan II automatically attempts to contact the addressee even through alternative routes or media, depending on the chosen settings.

Fax

Faxes to be sent can either be generated electronically on a PC or placed in the fax machine as hardcopy. The destina-tion address entered on a workstation terminal or the number dialed on a fax machine may be another computer or fax machine. If access to public telephone networks is available, worldwide fax service is possible.

Voice mail

Voice mail is used to send a voice message directly from a telephone. After the R&S®PostMan II telephone number and the recipient’s number have been dialed, a voice message can be left on the ¸PostMan II server. ¸PostMan II then automatically delivers the voice message as an e-mail attachment to the other party.

Chat

The chat service is used for realtime interactive e-mail communica-tions between multiple parties. ¸PostMan II uses the transpar-ent TCP/IP mode to exchange the data, which makes it possible to expand this service to existing networks.

Radio telephony

Radio telephony is provided by using the automatic phone patch (APP) option for the HF Transceiver Family R&S®XK2000. This makes shortwave telephone calls possible.

GPS tracking

Another R&S®PostMan II feature is the capability to track mobile stations by using the global positioning system (GPS). If a station is equipped with a GPS

¸PostMan II

R&S®PostMan II is a combined hardware/software product with client-server architecture for advanced Internet/intranet communications via radio. It offers e-mail, fax, fi le transfer, voice and data services by radio from any point on earth. The internationally standardized TCP/IP protocol ensures interoperability with systems from other manufacturers, allowing R&S®PostMan II to be used in computer networks with different platforms and operating systems. There are no special hardware or software requirements for the workstation terminals (the “clients”).

R&S®PostMan II allows information to be exchanged between individual worksta-tion terminals as well as throughout entire computer networks via a LAN. An R&S®PostMan II server with an optional interface expansion can simultaneously exchange information across several links and in both directions (receive and transmit). For example, an e-mail can be transmitted over one link while a fax is being sent over another.

The primary transmission media are HF/VHF/UHF radio, satellite radio and the GSM network. The transmis-

sion protocol that is used was specially developed by Rohde & Schwarz. It is particularly well suited for secure data transmissions via half-duplex radio links. In radio transmissions, R&S®PostMan II controls the connected transceiver or modem via a serial interface. This feature is implemented as standard for the Rohde & Schwarz Transceiver R&S®XK2000.

Once the R&S®PostMan II software has been modifi ed as necessary, virtually any data-capable transceiver can be implemented.

2 Information and Communication System ¸PostMan II

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PSTN

Station A Station B

Station IIStation I

PABX

PABX

Fax

PSTN

Fax

Fax

¸XK2000

¸XK2000

¸PostMan II

¸PostMan II

ModemVoice/fax/data

ModemVoice/fax/data

Fax

receiver, position data can be transmit-ted in addition to the actual data after analysis of the National Marine Electron-ics Association (NMEA) protocol. The current position of and the route covered by each mobile station can thus be tracked from a command center. The standard package includes an interface with which scanned maps can be calibrated.

Broadcast telegram mode

In the broadcast telegram mode, messages in ASCII text format are transmitted within fi xed timeslots without the peer station issuing an acknowledgement. This application ensures maximum security against hostile radiolocation. Several network subscribers can be reached in one transmit operation without having to set up multiple connections.

Information and communication system

GPS tracking

E-mail/fax service

Information and Communication System ¸PostMan II 3

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Station I Station II

¸PostManII

ModemVoice mail

Radio telephony

APP = automatic phone patch

PABX

PSTN

Station A Station B

¸XK2000

¸PostManII

ModemVoice/fax/data

PABX

¸XK2000

A modern solution for radio networks

Encrypted transmission

All exchanged information can of course be protected against unauthor-ized access with the aid of customized encryption procedures. A large number of encryption options are available, ranging from software-only or combined hardware/software solutions up to the integration of customized encryption units into the information fl ow.

Confi guration and network management

System management and network planning are prerequisites for reliable and smooth operation in radio-based communications networks. A convenient graphical user interface is provided for managing all required network data and available resources. The preconfi gured

instrument settings are automatically activated on the transceivers. Network management is provided as a service on the ¸PostMan II server and is

started from a workstation terminal in the network. The generated network management data is stored in a SQL database on the ¸PostMan II server.

Network management

Voice mail/radio telephony

Information and Communication System ¸PostMan II 4

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Ordering information

¸PostMan IIInformation and Communication SystemIncl. Industrial Controller ¸PSL1 Basic services Network services

R&S®DS102 6131.7664.02

Proprietary Data Waveform ProtocolE-mailChatTransparent TCP/IP

¸DS102B8 (mandatory) 6131.7906.02

Fax Service Software R&S®DS102B1 6124.2502.02

Voice Mail Software R&S®DS102B2 6124.2554.03

GPS Tracking Software Incl. standard map, without GPS receiver, antenna and special customized map

R&S®DS102B3 6124.2602.02

SITMinisafe2-PM2Encryption module

on request

Broadcast/Telegram Mode Software R&S®DS102B6 6124.2754.03

Industrial Controller R&S®PSL1

Certified Quality System

ISO 9001DQS REG. NO 1954 QM

Certified Environmental System

ISO 14001DQS REG. NO 1954 UM

AQAP-110Audit report GP Q2-NO 96.07

Certified Quality System

AS 9100DQS REG. NO 1954 AS

Certified Quality System

Information and Communication System ¸PostMan II 5

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www.rohde-schwarz.com R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG · Trade names are trademarks of the owners · Printed in Germany (Pe we )

PD 0758.1264.12 · ¸PostMan II · Version 04.00 · May 2005 · Data without tolerance limits is not binding · Subject to change

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