Acuity Controls nLight ECLYPSE User Manual page 6

Setting up a Wi-Fi Access Point Wireless Network ................................................................................................ 85
Setting up a Wi-Fi Hotspot Wireless Network......................................................................................................... 86
CHAPTER 10
Securing an ECLYPSE Controller ................................................................................................................................... 88
Introduction ............................................................................................................................................................. 88
Passwords .............................................................................................................................................................. 88
Change the Default Platform Credentials .................................................................................................... 88
Use Strong Passwords ................................................................................................................................ 88
Account Management and Permissions ................................................................................................................. 88
FIPS 140-2 Mode......................................................................................................................................... 89
Use a Different Account for Each User ........................................................................................................ 89
Use Unique Service Type Accounts for Each Project.................................................................................. 89
Disable Known Accounts When Possible .................................................................................................... 89
Assign the Minimum Required Permissions ................................................................................................ 89
Use Minimum Possible Number of Admin Users ......................................................................................... 89
HTTPS Certificates ................................................................................................................................................. 89
Certificates ................................................................................................................................................... 89
Additional Measures ............................................................................................................................................... 89
Update the Controller's Firmware to the Latest Release ............................................................................. 89
External Factors...................................................................................................................................................... 90
Install Controllers in a Secure Location ....................................................................................................... 90
Make Sure that Controllers are Behind a VPN ............................................................................................ 90
CHAPTER 11
BACnet MS/TP Communication Data Bus Fundamentals............................................................................................... 91
BACnet MS/TP Data Transmission Essentials ....................................................................................................... 91
BACnet MS/TP Data Bus is Polarity Sensitive............................................................................................. 91
Maximum Number of BACnet MS/TP Devices on a Data Bus Segment and Baud Rate ....................................... 92
Data Bus Segment MAC Address Range for BACnet MS/TP Devices........................................................ 92
Device Loading ............................................................................................................................................ 92
Data Bus Physical Specifications and Cable Requirements................................................................................... 94
Data Bus Topology and EOL Terminations ............................................................................................................ 94
Function of EOL Terminations ..................................................................................................................... 94
When to Use EOL Terminations .................................................................................................................. 95
When to use EOL Terminations with BACnet MS/TP Thermostats ............................................................. 95
About Setting Built-in EOL Terminations ..................................................................................................... 96
Only a Daisy-Chained Data Bus Topology is Acceptable ............................................................................ 96
Data Bus Shield Grounding Requirements............................................................................................................. 97
24V-Powered Controller Data Bus Shield Grounding Requirements........................................................... 97
Using Repeaters to Extend the Data Bus ............................................................................................................... 98
Device Addressing................................................................................................................................................ 100
About the MAC Address ............................................................................................................................ 101
BACnet MS/TP Data Bus Token-Passing Overview.................................................................................. 101
About Tuning the Max Info Frames Parameter.......................................................................................... 102
About Tuning the Max Master Parameter .................................................................................................. 102
Setting the Max Master and Max Info Frames ........................................................................................... 102
nLight ECLYPSE