Philips Medical Systems North America WMTS-ITS2 ITS MODULE User Manual
Philips Medical Systems North America Co. ITS MODULE Users Manual
Users Manual
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| Document ID | 1307784 |
| Application ID | JeP9WXrvibCLpwyGJgWafw== |
| Document Description | Users Manual |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 3.57kB (44581 bits) |
| Date Submitted | 2010-07-07 00:00:00 |
| Date Available | 2010-07-07 00:00:00 |
| Creation Date | 2010-07-06 12:06:15 |
| Producing Software | Acrobat Distiller 8.2.2 (Windows) |
| Document Lastmod | 2010-07-06 16:50:59 |
| Document Title | Microsoft Word - A-M4840-90130_revised_ITS_del _3_.doc |
| Document Creator | PScript5.dll Version 5.2 |
| Document Author: | Sue |
Philips Medical Systems DOCUMENT NAME Application Note: WMTS-ITS2 1.4 GHz Radio Module 1. INTRODUCTION ................................................................................................................................ 2 2. HOST INTERFACE ............................................................................................................................ 2 3. SERIAL CONNECTION..................................................................................................................... 4 4. RF SHIELDING ................................................................................................................................... 6 5. MODULE MOUNTING CONSIDERATIONS ................................................................................. 6 6. RF INPUT/OUTPUT, ANTENNA ...................................................................................................... 6 7. RF TRANSMITTER SPECIFICATIONS ......................................................................................... 7 8. FAULT CONDITIONS........................................................................................................................ 8 9. ACCOMPANYING DOCUMENTATION PRODUCTS INCORPORATING THE MODULE 10 Confidential 1. Introduction The Module is a serial network adapter designed to be used with specialized medical devices manufactured by Philips Medical Systems (Figure 1). It enables the host medical device to wirelessly establish bi-directional communication with other remote devices using the Philips’ WMTS infrastructure. Figure 1: Module Block Diagram 2. Host Interface The Module interfaces to the host through a single I/O connector (Figure 2). Via this connector the host supplies DC power, signal ground and modulating data to the radio Module. The communication between the host device and the Module is a two wire asynchronous serial interface (Table 1). Figure 2: Module Interface Host Connector ___________________________________________________________________ Application Note: WMTS-ITS2 The 1.4 GHz Radio Module Confidential Page 2 of 5 3. Serial Connection Serial Specification: The interface to the Host is a serial communication link (Table 2): • • • • • Flow Control: Baud Rate: Parity: Bits: Logic Levels: Tx, Rx; no hardware flow control 115.2 kbaud; No parity bit 8 bits of data, plus 1 Start/Stop bits TTL, 5 volt tolerant Maximum User Data Rate: The maximum user data rate that the radio supports is 12 kbits/second in each direction. This maximum over the air date rate is fixed by design and cannot be modified by the user. 4. RF Shielding The host device does not need to provide additional shielding. ___________________________________________________________________ Application Note: WMTS-ITS2 The 1.4 GHz Radio Module Confidential Page 3 of 5 5. Module Mounting Considerations The Module is self-contained and can be mounted anywhere using the supplied threaded pems nuts. Not special heat sinking considerations are required. There are not orientation constraints. 6. RF Input/Output, Antenna The Module is approved for use, with only the antennas specified by Philips and listed here: • • • Dipole Whip Philips Part Number M4842-61300 Tri-Band Philips Part Number M3002-66493 Dual-Band Philips Part Number M8100-66490 These antennas may not be replaced with antennas of a different type. However, antennas of equivalent type with equal or lower gain to the listed antennas may be used. The RF input and output of the Module is matched to 50 ohms. The Module has a coaxial cable with which allows for the connection of the RF to the antenna by way of a non-standard connector manufactured by JST. For the dipole whip, the connection is JST-to-reversed-TNC adaptor made by Amphenol at the point where the antenna connects. 7. RF Transmitter Specifications The following table summarizes general transmitter specifications (Table 3). 1. Frequency ranges: 2. RF Output Power 3. RF Output Power control 4. Transceiver frequency accuracy during normal operation 5. Reference Frequency Accuracy 6. Modulation type Bands: 1395 - 1400 MHz and 1427 - 1432 MHz 8 dBm +2/-1.5dB (4.5 mW to 10 mW, nominal 6.3 mW), into Antenna load, calibrated into 50 Ohms UFL connector port. a) Transmitter chain gain shall be calibrated at time of manufacture (env temp 25+/-5deg.C). b) Power control algorithm deployed to prevent excess power and also includes temperature compensation. <+60/-100KHz relative to channel frequency, includes temperature compensation & aging effects. 10ppm max over operating temperature GFSK, Gaussian Frequency Shift keying (1M40Q7D) ___________________________________________________________________ Application Note: WMTS-ITS2 The 1.4 GHz Radio Module Confidential Page 4 of 5 8. Fault Conditions Over / Under Voltage The input voltage from the DC power source to the Module must remain between the values specified in Table 1. Operating the radio Module from a voltage lower than 4.75 V dc or higher than 5.25 V dc can cause the regulator to shut down ceasing operation of the Module. Excessive Signal Level on Serial Input The data input signal levels must adhere to levels specified in Table 2. Driving the input data line over 5V dc can cause damage to the Module input buffers, causing interruption of data transfer. Excessive Data Rate on Serial Input The host serial communication data rate is fixed at 115.2 kbaud. Clocking data at different baud rates will result in incorrect data transfer. The maximum host/user over the RF link data rate is 12 kbps. Attempting to send data at a faster rate will result in data buffer overrun and data loss. 9. Accompanying Documentation Products Incorporating the Module Products which incorporate this device will be labeled, “Contains FCC ID: PQC-WMTSITS2,” and their accompanying documentation shall prominently display the following: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. The documentation will also include the following text regarding frequency coordination: Operation of this equipment requires the prior coordination with a frequency coordinator designated by the FCC for the Wireless Medical Telemetry Service. ___________________________________________________________________ Application Note: WMTS-ITS2 The 1.4 GHz Radio Module Confidential Page 5 of 5
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