User Manual

Acronyms and abbreviations 74
LED
light-emitting diode
NTP
network time protocol
PDR
power distribution rack
POST
Power-On Self Test
RAM
random access memory
RMS
root-mean-square
RTU
remote terminal unit
SIM
Systems Insight Manager
SMTP
Simple Mail Transfer Protocol
SNMP
Simple Network Management Protocol
SSL
Secure Sockets Layer
TCP
Transmission Control Protocol
TFTP
Trivial File Transfer Protocol
UPS
uninterruptible power system