User's Manual

64 MDS Mercury 16E Technical Manual MDS 05-6302A01, Rev. A
SCEP—Simple Certificate Enrollment Protocol. A protocol that auto-
mates the provisioning process of creating and loading x.509 digital cer-
tificates on a device.
SFTP—Secure File Transfer Protocol. A networking protocol used to
securely transfer files between a server and a client device.
SNMP—Simple Network Management Protocol.
SNR—Signal-to-Noise Ratio. A measurement of the desired signal to
ambient noise levels.This measurement provides a relative indication of
signal quality. Because this is a relative number, higher signal-to-noise
ratios indicate improved performance.
SNTP—Simple Network Time Protocol.
SSL—Secure Socket Layer.
SSH—Secure Shell.
STP—Spanning Tree Protocol.
Subscriber Unit (SU)—A radio in a point-to-multipoint network that
acts as a remote, and communicates with the Base Station (BS).
SWR—Standing-Wave Ratio. A parameter related to the ratio between
forward transmitter power and the reflected power from the antenna
system. As a general guideline, reflected power should not exceed 10%
of the forward power ( 2:1 SWR).
TCP—Transmission Control Protocol.
TFTP—Trivial File Transfer Protocol.
Trap Manager—Software that collects SNMP traps for display or log-
ging of events.
UDP—User Datagram Protocol.
UTP—Unshielded Twisted Pair.
VLAN—Virtual Local Area Network.
WINS—Windows Internet Naming Service. Part of Microsoft Win-
dows NT and 2000 servers that manages the association of workstation
names and locations with Internet Protocol addresses. It works without
the user or an administrator having to be involved in each configuration
change. Similar to DNS.
X.509 Certificates—A standardized format for digital certificates used
in security protocols and algorithms.