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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

Summary of content (5 pages)

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Philips Medical Systems DOCUMENT NAME Application Note: WMTS-ITS2 1.4 GHz Radio Module 1. INTRODUCTION ................................................................................................................................ 2 2. HOST INTERFACE ............................................................................................................................ 2 3. SERIAL CONNECTION..........................................................................................................
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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).
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. 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.
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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.
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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.