User`s guide

LONWORKS LPT-10 Transceiver User’s Guide iii
Contents
1 Introduction
1-1
Applications 1-3
Audience 1-7
Content 1-7
Related Documentation 1-7
2 Electrical Interface 2-1
LPT-10 Pinout 2-2
Network Connection 2-4
Reset 2-4
Clock Input 2-4
Clock Select 2-5
Neuron Chip Communications Port (CP) Lines 2-5
PC Board Layout Guidelines 2-5
Choosing the Inductor and Capacitors for the LPT-10 Switching Power
Supply 2-8
Alternative Inductor and Capacitor Selection for Low-Current
Applications 2-10
Wake-Up Timer 2-10
Physical Layer Repeater 2-11
3 Mechanical Considerations 3-1
Mechanical Footprint 3-2
4 Power Output 4-1
Transceiver Output Power 4-2
Powering Non-Isolated Devices 4-4
5 Network Cabling and System Performance 5-1
Network Overview 5-2
System Performance and Cable Selection 5-4
System Specifications 5-5
Transmission Specifications 5-6
Power Specification, Simplified Form 5-7
Power Specifications for Extended Performance 5-9
Cable Termination 5-13
Commissioning LPT-10 Transceivers 5-13