Glossary
121SICAM Q100, 7KG95xx, System Manual
E50417-C1040-C522-A8, Edition 09.2020
MSB Most Significant Bit
MSV Mains Signalling Voltage
N
NaN Not a Number means "invalid": Result of an invalid computing operation
NTP Network Time Protocol: Standard for synchronizing clocks in computer sys-
tems using packet-based communication networks
R
RJ45 Ethernet plug connector
RS485 Interface standard for digital, wire-based, differential, serial data transmis-
sion
RTC Real-Time Clock
RTU See Modbus Remote Terminal Unit
S
Server Sends data upon request by the client
SNMP Simple Network Management Protocol: Serves for monitoring and control-
ling network elements of a central station
SNTP Simple Network Time Protocol: Simplified version of the NTP
SW Software: Program executed on a computer
STP Shielded twisted-pair is the cable for 100Base-T (Ethernet)
Subnet mask Bit mask in the network protocol that defines how many IP addresses the
computer network encompasses. Together with the IP address of a device,
the subnet mask defines which IP addresses the device searches in its own
network and which IP addresses it tries to reach via routers in other net-
works.
T
TCP/IP Transmission Control Protocol/Internet Protocol: Family of network proto-
cols
SYS_SICAM_Q100_US.book Page 121 Thursday, September 24, 2020 1:17 PM
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