SNMP Simple Network Management Protocol (network protocol for monitoring and controlling network elements
such as routers, servers, switches, and printers from a central station).
SSD Solid State Drive
SSH Secure Shell: Protocol for an encrypted network connection with a remote device
TCU Thin Client Unit
TFTP Trivial File Transfer Protocol: Very simple data transmission protocol
UDP User Datagram Protocol: NTP is mostly processed via UDP.
USB Universal Serial Bus
UPS Uninterruptible power supply
UTC Universal Time, Coordinated: Coordinated Universal Time (previously: Greenwich Mean Time)
VNC Virtual Network Computing
Appendix
A.1 Abbreviations
NCU operating system
98 Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1