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XT65/XT75 Hardware Interface Overview
1.3 Regulatory and Type Approval Information
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XT65_XT75_HO_v00.130 Page 12 of 67 2006-10-12
Confidential / Preliminary
1.3.3 SELV Requirements
The power supply connected to the XT65/XT75 module shall be in compliance with the SELV requirements
defined in EN 60950-1. See also Section 6.1 for further detail.
1.3.4 Safety Precautions
The following safety precautions must be observed during all phases of the operation, usage, service or repair
of any cellular terminal or mobile incorporating XT65/XT75. Manufacturers of the cellular terminal are advised to
convey the following safety information to users and operating personnel and to incorporate these guidelines into
all manuals supplied with the product. Failure to comply with these precautions violates safety standards of
design, manufacture and intended use of the product. Siemens AG assumes no liability for customer’s failure to
comply with these precautions.
When in a hospital or other health care facility, observe the restrictions on the use of mobiles.
Switch the cellular terminal or mobile off, if instructed to do so by the guidelines posted in sen-
sitive areas. Medical equipment may be sensitive to RF energy.
The operation of cardiac pacemakers, other implanted medical equipment and hearing aids
can be affected by interference from cellular terminals or mobiles placed close to the device.
If in doubt about potential danger, contact the physician or the manufacturer of the device to
verify that the equipment is properly shielded. Pacemaker patients are advised to keep their
hand-held mobile away from the pacemaker, while it is on.
Switch off the cellular terminal or mobile before boarding an aircraft. Make sure it cannot be
switched on inadvertently. The operation of wireless appliances in an aircraft is forbidden to
prevent interference with communications systems. Failure to observe these instructions may
lead to the suspension or denial of cellular services to the offender, legal action, or both.
Do not operate the cellular terminal or mobile in the presence of flammable gases or fumes.
Switch off the cellular terminal when you are near petrol stations, fuel depots, chemical plants
or where blasting operations are in progress. Operation of any electrical equipment in poten-
tially explosive atmospheres can constitute a safety hazard.
Your cellular terminal or mobile receives and transmits radio frequency energy while switched
on. Remember that interference can occur if it is used close to TV sets, radios, computers or
inadequately shielded equipment. Follow any special regulations and always switch off the
cellular terminal or mobile wherever forbidden, or when you suspect that it may cause interfer-
ence or danger.
Road safety comes first! Do not use a hand-held cellular terminal or mobile when driving a
vehicle, unless it is securely mounted in a holder for speakerphone operation. Before making
a call with a hand-held terminal or mobile, park the vehicle.
Speakerphones must be installed by qualified personnel. Faulty installation or operation can
constitute a safety hazard.
- Hardware Interface Overview 1
- Contents 3
- 1 Introduction 6
- 1.2 Terms and Abbreviations 7
- Table 1: Directives 10
- 1.3.3 SELV Requirements 12
- 1.3.4 Safety Precautions 12
- 2 Product Concept 14
- 3 Application Interface 18
- 3.1 Operating Modes 19
- 4 GSM Antenna Interface 20
- 4.2 Antenna Pad 21
- 4.2.1 Suitable Cable Types 22
- 4.3 Antenna Connector 23
- 5 GPS Antenna Interface 27
- 5.2 GPS Antenna 28
- 6.1 Absolute Maximum Ratings 29
- 6.2 Operating Temperatures 30
- 6.3 Storage Conditions 31
- Table 17: Signal description 34
- ≈ 2A, during Tx burst 34
- ≈ 10kΩ @ 34
- EMRG_RST 35
- Confidential / Preliminary 42
- 6.6 Power Supply Ratings 43
- 7 Mechanics 44
- XT65/XT75 49
- 8 Reference Approval 51
- 9Appendix 53
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