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PTP 450 Configuration and User Guide
Notifications
6-52
pmp-0815 (August 2015)
Term
Definition
Fresnel Zone
Space in which no object should exist that can attenuate, diffract,
or reflect a transmitted signal before the signal reaches the target
receiver.
FTP
File Transfer Protocol, defined in RFC 959. Utility that transfers of
files through TCP (Transport Control Protocol) between computing
devices that do not operate on the same platform. See
http://www.faqs.org/rfcs/rfc959.html
Global
Positioning
System
Network of satellites that provides absolute time to networks on
earth, which use the time signal to synchronize transmission and
reception cycles (to avoid interference) and to provide reference
for troubleshooting activities.
GPS
Global Positioning System. A network of satellites that provides
absolute time to networks on earth, which use the time signal to
synchronize transmission and reception cycles (to avoid
interference) and to provide reference for troubleshooting
activities.
GPS/3
Third-from-left LED in the module. In the operating mode for an
Access Point Module, this LED is continuously lit as the module
receives sync pulse. In the operating mode for a Subscriber, this
LED flashes on and off to indicate that the module is not registered.
GUI
Graphical user interface.
High-priority
Channel
Channel that supports low-latency traffic (such as Voice over IP)
over low-latency traffic (such as standard web traffic and file
downloads). To recognize the latency tolerance of traffic, this
channel reads the IPv4 Type of Service DiffServ Control Point
(DSCP) bits.
HTTP
Hypertext Transfer Protocol, used to make the Internet resources
available on the World Wide Web. Defined in RFC 2068. See
http://www.faqs.org/rfcs/rfc2068.html
HTTPS
Hypertext Transfer Protocol Secure (HTTPS)
ICMP
Internet Control Message Protocols defined in RFC 792, used to
identify Internet Protocol (IP)-level problems and to allow IP links
to be tested. See
http://www.faqs.org/rfcs/rfc792.html
indiscards count
Field
How many inbound packets were discarded without errors that
would have prevented their delivery to a higher-layer protocol.
(Some of these packets may have been discarded to increase buffer
space.)
inerrors count
Field
How many inbound packets contained errors that prevented their
delivery to a higher-layer protocol.