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TEMS Indoor Backpack User’s Manual

TEMS Indoor Backpack -- User's Manual

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Page 1: TEMS Indoor Backpack -- User's Manual

TEMS™ Indoor Backpack

User’s Manual

Page 2: TEMS Indoor Backpack -- User's Manual

This manual is provided by Ascom Network Testing AB without any kind of warranty. Improvements and changes in this description due to typographical errors, inaccuracies in current information, or improvements to programs and/or equipment may be made by Ascom Network Testing AB at any time without notice. These changes will, however, be incorporated into new editions of this manual.

No part of this publication may be reproduced, transmitted, stored in a retrieval system, nor translated into any human or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of the copyrighted owner, Ascom Network Testing AB.

TEMS is a trademark of Ascom.

All other trademarks are the property of their respective holders.

© Ascom 2009. All rights reserved.

Publication number: LZT 108 9242 R1A

Page 3: TEMS Indoor Backpack -- User's Manual

Contents

Contents

1. Introduction 1

2. Overview of the TEMS Indoor Backpack 2

2.1. Overview of Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.2. Compatible Phones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.3. Compatible Scanners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.4. Compatibility with TEMS Investigation . . . . . . . . . . . . . . . . . . . . . . . 32.5. Physical Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.6. Power Supply Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.6.1. Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52.6.2. Discharging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52.6.3. Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.6.4. Recalibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62.6.5. Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72.6.6. The LED Fuel Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72.6.7. Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.7. Power Supply Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82.8. USB Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92.9. USB-to-RS-232 Serial Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . 92.10. Installing Phones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92.11. USB Connection for Phones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102.12. Phone Chargers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102.13. Installing a Scanner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102.14. External Antennas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3. Ordering Spare Parts 12

3.1. List of Spare Parts for the TEMS Indoor Backpack. . . . . . . . . . . . . 12

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TEMS Indoor Backpack User’s Manual

4. Technical Specifications 13

4.1. TEMS Indoor Backpack Physical Data . . . . . . . . . . . . . . . . . . . . . . 134.2. TEMS Indoor Backpack Technical Data . . . . . . . . . . . . . . . . . . . . . 13

5. Support Contact Information 14

Appendix A. Installation of Drivers for the USB-to-RS-232 Converter 15

A.1. Installing Drivers under Windows XP . . . . . . . . . . . . . . . . . . . . . . . 15A.2. Installing Drivers under Windows 2000 . . . . . . . . . . . . . . . . . . . . . 16

Index 17

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Chapter 1. Introduction

1. Introduction

This manual describes the contents and functions of the TEMS Indoor Backpack. It contains instructions on how to operate the internal power supply unit and for connecting the backpack to an external computer.

Instructions on how to operate the units in the TEMS Indoor Backpack are not found in this manual. They are instead found in the manuals accompanying the individual products.

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TEMS Indoor Backpack User’s Manual

2. Overview of the TEMS Indoor Backpack

2.1. Overview of FunctionThe TEMS Indoor Backpack makes indoor testing with TEMS Investigation practical. The backpack keeps external devices securely in place, while greatly simplifying the task of connecting them to the PC.

The TEMS Indoor Backpack accommodates up to three phones (GSM phones or UEs). It also has room for three different types of scanners. See section 2.2.

A 7-port USB hub is used for connecting all external devices to the PC running TEMS Investigation. Scanners with RS-232 connection only are connected to the USB hub through a USB-to-RS-232 converter that is integrated with the power supply unit.

The TEMS Indoor Backpack is powered with 14.4 V DC from the internal battery. The power is distributed to the voltage regulators and to the three cigarette lighter outlets in the power supply unit. This unit in turn supplies power to the USB hub and to a single- or dual-band PCTel scanner (if installed). The three cigarette lighter outlets can be used to charge mobile phones through in-car phone chargers or to power supply a PCTel MM2 or Rohde & Schwarz TSMU scanner.

Note: No in-car phone chargers or external antennas are delivered with the TEMS Indoor Backpack. These items must be purchased separately.

2

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Chapter 2. Overview of the TEMS Indoor Backpack

2.2. Compatible PhonesThe TEMS Indoor Backpack is primarily intended to contain phones sold with TEMS Investigation 7.0 and later:

• Sony Ericsson K600i, K790i, K790a, K800i, W600i

• Motorola E1000, E1070, Razr V3x, Razr V3xx

• Nokia 6230i, 6230 US, 6282, 6680, N80

However, using the universal phone holders installed by default (see section 2.10), the TEMS Indoor Backpack can carry any GSM, UMTS, or CDMA phone that is connectable in TEMS Investigation.

2.3. Compatible ScannersThe following types of scanner can be mounted in the backpack:

• PCTel SeeGull LX single-band or dual-band GSM, WCDMA, or CDMA scanner

• PCTel SeeGull LX MM2 (WCDMA/GSM or CDMA/EV-DO) scanner

• Rohde & Schwarz TSMU Radio Network Analyzer (for WCDMA).

2.4. Compatibility with TEMS InvestigationThe TEMS Indoor Backpack is intended for use with TEMS Investigation 7.0 or later.

The backpack is also usable with older versions of TEMS Investigation and TEMS Investigation WCDMA, but certain driver files which must be installed on the PC are not provided with these older versions. The required drivers are downloadable from www.tems.com; please contact customer support for details.

2.5. Physical ConfigurationThe diagram below shows how the components in the TEMS Indoor Backpack are interconnected and power supplied.

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TEMS Indoor Backpack User’s Manual

TEMS Indoor Backpack: Physical configuration. (Scanner not shown.)

RS-232

34

Power supply unit

USB B

DC to USB hub

UE power outlets

7-port USB hubUSB USB A connectors5 Vdc

External antennas

Phones

Power

12

12 Vdc Out 112 Vdc Out 2

USB In USB Out

Fuse 5A

12 Vdc Out

3 to 5

Battery

ToUSB Conv.

B

4

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Chapter 2. Overview of the TEMS Indoor Backpack

2.6. Power Supply BatteryPower is supplied to the units inside the TEMS Indoor Backpack by a 14.4 V lithium ion battery pack (Inspired Energy NL2024). Read this section carefully to ensure proper handling of the battery pack. The information is taken from the supplier’s web site, www.inspired-energy.com.

The NL2024 battery pack is designed for use in a variety of applications requiring light weight and high energy storage. It has an initial capacity greater than 6270 mAh.

The NL2024 uses Electronically Programmable Read Only Memory (EPROM) to store key data relating specifically to the particular lithium ion cells used and their associated fuel gauging algorithms. This is a preferable solution to an Application Specific Integrated Circuit (ASIC), which gives a generic, approximated solution aimed at covering all lithium ion cell types.

2.6.1. ChargingThe battery pack uses its System Management Bus (SMBus) to communicate with the charger. The NL2024 is recommended to be charged with a smart SMBus charger of level II or higher, like the charger delivered with the backpack. The battery will issue commands over the SMBus to the charger in order to control the charge rate and voltage. How to operate the charger is explained in the instruction sheet accompanying it.

Charging the NL2024 with a non-SMBus charger is not recommended.

2.6.2. DischargingThe runtime of the NL2024 will be reduced if the battery is operated below room temperature. Increasing the temperature does not increase runtime, but it will reduce the overall life of the battery.

The runtime of the NL2024 will also be reduced if the battery is discharged at high currents. Above certain currents the safety circuitry will operate (see section 2.6.7). The NL2024 can deliver a maximum of 6 A continuously. Runtime is not increased by operation at very low currents. The electronic fuel gauge and protection circuitry in the NL2024 are specifically designed to use minimal power, thus leaving the maximum energy available for use by the host device.

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TEMS Indoor Backpack User’s Manual

2.6.3. StorageOptimum storage is achieved at room temperature. Elevated temperatures will reduce storage life. NL2024 batteries are shipped with a minimum of 20% remaining capacity to give at least six months shelf life at room temperature before the electronics go into shutdown mode. It is recommended that the battery is periodically recharged if long storage is required without the electronics going into shutdown mode.

Lithium ion cells must not be over-discharged (see section 2.6.7). For this reason the electronics in the NL2024 have three states of power consumption:

1. Active. The battery is operational, and the electronics are actively monitoring and communicating battery status.

2. Sleep. The battery has not been used for a few seconds.

3. Shutdown. The battery is in storage and has self-discharged down to a preset voltage. At this point the electronics self-disconnect, removing their electronic load from the cells. This provides approximately one year of room temperature storage before the cells self-discharge to the point beyond which they should not be recharged.

After a period of shutdown, the battery will undergo a self-test immediately upon being put on charge. The electronics will “wake up” and begin to monitor battery voltage in response to a very low initial charge rate which is requested by the battery of the SMBus charger. If the voltage does not recover, this means that the battery pack has been allowed to discharge beyond the point of safe recovery. The charging will then be terminated, and the battery pack should be replaced.

During electronic shutdown, the volatile parts of the memory will have been lost, and the SMBus register will need to recreate these during the next few cycles. Until this is completed, fuel gauge accuracy will be reduced. Carrying out a recalibration cycle as soon as possible after shutdown (see section 2.6.4) can speed up this process.

During electronic shutdown, no SMBus data critical to the safe operation of the NL2024 is lost.

2.6.4. RecalibrationReal-life applications rarely fully discharge a battery pack. Frequent partial discharges are not a problem to the NL2024; however, after repeated use in this way, the accuracy of the fuel gauge will be reduced. This will also be the

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Chapter 2. Overview of the TEMS Indoor Backpack

case after a period of storage when the electronics have gone into shutdown mode (see section 2.6.3).

The NL2024 has a built-in monitoring system which checks the accuracy of the fuel gauge, based on the discharge history of the battery. This is broadcast over the SMBus and can be used by the host device to inform the user when to recalibrate the electronic fuel gauge. (The TEMS Indoor Backpack does not make use of this latter feature.) Recalibration of the electronics is achieved by fully discharging any remaining capacity in the NL2024, then doing a full recharge followed by another full discharge.

In the TEMS Indoor Backpack, recalibrations are handled entirely automatically by the charger and battery, communicating over the SMBus. The only thing the user needs to do is to press a button on the charger to activate the calibration function. See the instruction sheet provided with the charger.

2.6.5. LifeThe NL2024 is designed to provide 300 full charge/discharge cycles at room temperature and under normal discharge rates. Cycle life will be maximized if the host device follows the end-of-discharge instructions issued by the NL2024 to the host device over the SMBus. (The charger delivered with the backpack obeys these instructions.) Use of a fixed voltage cutoff by the host device may reduce the cycle life of the product. If the NL2024 is not fully discharged each time, the number of cycles available over life may increase.

2.6.6. The LED Fuel GaugeThe NL2024 employs a four-segment LED fuel gauge, activated by a push button.

Fuel Gauge Reading Charge Level

All four LEDs lit 76–100%

Three LEDs lit 51–75%

Two LEDs lit 26–50%

One LED lit 10–25%

One LED flashing < 10%

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TEMS Indoor Backpack User’s Manual

Fuel gauge accuracy in normal use is typically ±1.5%. The accuracy of the fuel gauge is constantly monitored by the battery itself (see section 2.6.4).

2.6.7. SafetyLithium ion cells contain a tremendous amount of stored energy. They require protection to ensure that this energy is always delivered in a controlled manner. The NL2024 features passive and active electronics with multiple levels of redundancy to ensure that the battery remains safe in all failure modes.

2.7. Power Supply UnitA power supply unit is installed in the TEMS Indoor Backpack, incorporating five voltage regulators and one USB-to-RS-232 converter. The power supply unit also holds the USB hub in place, as well as one or two batteries.

The battery to be used should be placed in the battery holder next to the three cigarette lighter outlets. The other battery holder is just provided to allow storage of an extra battery; it has no battery connector.

On top of the power supply unit the following items are located:

• USB-Hub is the power outlet for the 7-port USB hub.

• Mobile/UE1 through Mobile/UE4 are the power outlets for charging Sony Ericsson or Nokia mobile phones.

• Power is an LED that indicates that the power supply unit is operating. It lights up green when a battery is inserted in the battery holder next to the cigarette lighter outlets, and a USB cable is connected between the inlet USB-In From PC and a USB port on a PC that is powered on.

• A USB-to-RS-232 converter is integrated with the power supply unit. Its connectors are found above and below the label RS-232 To USB Converter. The USB connector is connected to the 7-port USB hub, and the 9-pin type D connector is connected to the scanner (if installed).

• The fuse labeled Fuse 5A protects every voltage regulator and power outlet in the power supply unit.

• 12 Vdc Out 1 and 12 Vdc Out 2 are power outlets for accessories, such as a single-band or dual-band PCTel scanner.

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Chapter 2. Overview of the TEMS Indoor Backpack

• To the USB In from PC inlet should be connected the USB cable from the PC. The power supply unit will not be operating unless this inlet is connected to a PC that is powered on.

• A short USB cable should be connected from the USB Out to hub connector to the USB B connector on the 7-port USB hub.

• The three cigarette lighter outlets 12 Vdc Out 3, 12 Vdc Out 4, and 12 Vdc Out 5 can be used to power in-car phone chargers or a scanner.

2.8. USB HubA 7-port USB hub allows the USB port of each phone as well as the USB-to-RS-232 converter integrated with the power supply unit to connect simulta-neously to one USB port on the PC.

The USB hub is power supplied from the power supply unit.

2.9. USB-to-RS-232 Serial ConverterThe task of the USB-to-RS-232 serial converter is to convert data and transfer it between the USB hub and a scanner equipped with an RS-232 port only.

In order for the PC to detect the COM port of the converter, some driver files (delivered with TEMS Investigation) must be installed on the PC. See appendix A.

Once the serial converter is correctly installed, the PC operating system will detect one additional COM port. The port will be assigned the next available COM number; what number is used depends on what ports have already been defined and so cannot be predicted. It is possible to inspect and to change the COM number using the Windows Device Manager.

The COM port will always be detected by the PC, whether or not any equipment is connected to it. In other words, disconnecting the device connected to the converter port does not affect port detection.

2.10. Installing PhonesThe TEMS Indoor Backpack is equipped with three universal phone holders. To install a phone, just press the halves of the holder apart and place the phone in the holder.

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TEMS Indoor Backpack User’s Manual

The universal holders can be replaced with phone-specific holders to enable the connection of an external antenna:

• Sony Ericsson HCH-41 for Sony Ericsson K600i

• Sony Ericsson HCH-62 for Sony Ericsson W600i

• Sony Ericsson HCH-66 for Sony Ericsson K790i and K800i

• Nokia MBC-15S with antenna connector module AXF-15S for Nokia 6230i

2.11. USB Connection for PhonesThe phones in the TEMS Indoor Backpack have a USB-type data connection. The USB communications cable is connected between the phone’s USB connector and the USB hub.

To establish contact with the phones in pre-8.0 versions of TEMS Investigation, you must identify them in the application. How to do this is explained in the TEMS Investigation documentation.

In TEMS Investigation 8.0, sensing of connected external equipment is largely automated. Again, please refer to the TEMS Investigation documentation for details.

2.12. Phone ChargersEach in-car phone charger is connected to the phone as well as to a cigarette lighter outlet. In the case of Sony Ericsson and Nokia phones, the charger plugs directly into the phone itself, while for Motorola phones, the charger is inserted into the connector on the side of the phone’s USB cable plug.

2.13. Installing a ScannerNo scanner is installed in the TEMS Indoor Backpack by default. If you have purchased a scanner separately, you need to install it in the backpack prior to use. Any scanner fitting the mesh pocket and powered by 12 V DC can be installed in the TEMS Indoor Backpack. The mesh pocket allows cooling of the scanner, which can be overheated if placed in the main compartment. The cables from the scanner can be routed directly from the mesh pocket to the main compartment for connection to the power supply unit.

To establish contact with the scanner in pre-8.0 versions of TEMS Investigation, you must identify it in the application. How to do this is explained in the TEMS Investigation documentation.

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Chapter 2. Overview of the TEMS Indoor Backpack

In TEMS Investigation 8.0, sensing of connected external equipment is largely automated. Again, please refer to the TEMS Investigation documentation for details.

2.14. External AntennasA magnetic mount external antenna is delivered with certain phones and scanners. The purpose of using external antennas, mounted on the top plate of the backpack, is to amplify the signal strength and to uniform the reception conditions at the phones and the scanner.

To connect a monopole antenna to a phone equipped with an external antenna connector, take the short coaxial cable supplied with the phone and connect the angled coaxial connector to the antenna outlet at the back of the phone holder. The FME jack at the other end of the coaxial cable is plugged into the monopole antenna.

To connect a monopole antenna to a PCTel scanner, just screw the SMA cable connector onto the mating connector on the scanner.

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TEMS Indoor Backpack User’s Manual

3. Ordering Spare Parts

3.1. List of Spare Parts for the TEMS Indoor Backpack

The following parts can be ordered as replacement or spare parts for the TEMS Indoor Backpack. Please refer to the product number when placing your order.

When ordering spare parts, please quote the serial number and product number of the backpack (printed on the product label on the power supply unit).

Item Product Number

USB 7-port hub KRY 901 053

USB cable, 1.7 m KRY 901 98

Phone holder KRY 901 032

Battery unit BKB 902 52

External battery charger KDY 209 264

TEMS Indoor Backpack User’s Manual LZT 108 9242

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Chapter 4. Technical Specifications

4. Technical Specifications

4.1. TEMS Indoor Backpack Physical Data

4.2. TEMS Indoor Backpack Technical Data

Dimensions 360 × 280 × 500 mm

Weight with 3 phones (Sony Ericsson K800i)

4.8 kg

Weight with 3 phones and PCTel MM2 scanner

6.4 kg

Power consumption Max 70 W

Power distribution Three 12 V DC cigarette lighter outlets

Data ports 6 USB ports and 1 serial (RS-232) port

Data connection USB cable

Supported operating systems

Windows XP Professional, Windows 2000

Operating temperature inside backpack

0ºC to 40ºC

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TEMS Indoor Backpack User’s Manual

5. Support Contact Information

For support in using the TEMS Indoor Backpack, please contact Ascom according to the directions found at

www.tems.com

under the link “Contact TEMS”.

To sign up for the TEMS on-line subscription service, please go to the same web site and click the link “TEMS Subscription Service”. This free service includes e-mail notification of TEMS product launches, version upgrades and patches, as well as on-line TEMS News.

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Appendix A. Installation of Drivers for the USB-to-RS-232 Converter

Appendix A. Installation of Drivers for the USB-to-RS-232 Converter

When the TEMS Indoor Backpack is connected to the PC for the first time, the operating system will ask for drivers for the USB-to-RS-232 converter. The drivers are supplied on the TEMS Investigation driver CD and are found in the subdirectory Drivers\USB_RS232 in the directory structure created when inserting that CD.

This appendix tells how to perform the driver installation. It assumes that you have previously installed TEMS Investigation.

A.1. Installing Drivers under Windows XPThe driver installation is a two-stage process. First the USB section of the driver is loaded, and then the COM port section.

• Plug the TEMS Indoor Backpack into the PC. This brings up a help bubble, followed by the Found New Hardware wizard where the device name “US232 USB-Serial Cable” will be displayed.

• Select the option “Installation from a list of specific location (Advanced)”. Click Next.

• Check “Include this location in the search“. Click the Browse button and point to the directory \Drivers\USB_RS232 mentioned above (by default located beneath the TEMS Investigation installation directory). Click OK. Then click Next.

• The drivers will now be installed. Ignore any messages about drivers not being tested for compatibility with Windows XP; click “Continue anyway”.

• No further user intervention should be required. When the screen with the Finish button appears, click Finish.

The installation procedure is now repeated, this time to install the COM port section of the driver. Walk through the wizard once more in exactly the same way as described above. The only difference is that the device name will be “USB Serial Port”.

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TEMS Indoor Backpack User’s Manual

When the installation is complete, the help bubble will inform you that the new hardware is installed and ready to use.

A.2. Installing Drivers under Windows 2000The driver installation is a two-stage process. First the USB section of the driver is loaded, and then the COM port section.

• Plug the TEMS Indoor Backpack into the PC. This brings up a series of messages followed by the Found New Hardware wizard. Click Next.

• If the USB device has been detected correctly, the name of the device (“US232 USB-Serial Cable”) will appear in the wizard. On the same screen, there is a question “What do you want the wizard to do?”. Select “Search for a suitable driver for my device”. Then click Next.

• Under “Optional search locations”, check “Specify a location” and make certain that the other options are not checked. Click Next.

• Click Browse and point to the directory \Drivers\USB_RS232 mentioned above (by default located beneath the TEMS Investigation installation directory). Click OK.

• A screen will now appear saying that the software does not contain a digital signature. Click Yes.

• Windows 2000 should now find the ftdibus.inf file located in the Drivers\USB_RS232 directory. This file tells Windows how to install the USB section of the drivers. Click Next.

• Windows 2000 will now automatically copy the USB driver files from the CD to its system directory and install them. Click Finish.

The installation procedure is now repeated, this time to install the COM port section of the driver. Walk through the wizard once more in exactly the same way as described above. The only differences are that the device name will be “USB Serial Port” and the INF file found will be ftdiport.inf.

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Index

Index

Aantennas (external), installing 11

Bbattery 5

charging 5discharging 5fuel gauge 7life 7recalibration 6safety 8storage 6

Ddiagram of components in backpack 4dimensions of backpack 13drivers for USB-to-RS-232 converter 15

MMotorola phones 3

NNokia phones 3

phone-specific holders for 10

Ooperating systems, supported 13operating temperature inside backpack 13overview of backpack 2

PPCTel SeeGull LX scanners 3phone chargers 10phone holders

phone-specific 10universal 9

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phonescompatible with backpack 3installing 9USB connection for 10

physical configuration of backpack 3physical data on backpack 13power supply unit 8

RRohde & Schwarz TSMU scanner 3

Sscanners

compatible with backpack 3installing 10

serial converter 9Sony Ericsson phones 3

phone-specific holders for 10spare parts for backpack

list of available 12ordering 12

support contact information 14

Ttechnical data on backpack 13TEMS Investigation

compatibility with 3identifying external devices in 10

UUSB hub 9USB-to-RS-232 serial converter 9

drivers for 15

Wweight of backpack 13

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TEMS™ Optimization Solutions – the number one choice for operators

worldwide. For every stage of a wireless network’s life cycle and supporting

all major technologies, the TEMS portfolio helps operators maximize their

Quality of Service and get the most out of their network investment.

The experience and technological leadership of TEMS gives network

operators the strong partnership they need and a commitment to quality,

accuracy, and success.

TEMS Optimization Solutions – Making Wireless Better.