Installation guide

114 Acme Packet 6100 Hardware Installation and Maintenance Guide
IEC — International Electrotechnical Commission
IETF — Internet Engineering Task Force is the main standards organization for
the Internet.
IP — Internet Protocol is the method by which data is sent from one computer
to another on the Internet.
LED — Light Emitting Diode is an electronic device that lights up when
electricity is passed through it.
LAN — Local Area Network is a group of computers and associated devices
that share a common communications line within a small geographic area.
LOS — Loss of Signal occurs when the signal level falls below an acceptable
level. LOS is a physical layer error and typically results in an alarm.
NEBS — Network Equipment Building Standards defines a rigid and extensive
set of performance, quality, environmental, and safety requirements
developed by Bellcore.
NIC — Network Interface Card is an expansion board you insert into a
computer so the computer can be connected to a network.
NIU — The NIU provides network connectivity for management, signaling,
and media traffic to and from the Acme Packet 6100 System.
NVRAM — Non-volatile Random Access Memory is a type of memory that
retains its contents when power is turned off.
Optical Transceiver — The fiber connection to the Acme Packet 6100 System
plugs into an optical transceiver. Through this connection, light energy is
converted into electrical energy.
PCMCIA — Personal Computer Memory Card International Association is an
organization consisting of approximately 500 companies that has developed a
standard for small, credit-card sized devices (PC cards). This standard is
designed for attaching input/output devices such as network adaptors,
fax/modems, or hard drives to notebook computers.
Physical Interface Card — The physical interface card is synonymous with the
network interface cards on the Acme Packet 6100 System.
PROM — Programmable Read-only Memory is a memory chip on which data
can only be written once. A PROM is non-volatile; it is a memory chip on which
data can be written only once.
QoS — Quality of Service is a networking term that refers to the capability of
a network to provide better service to selected network traffic over various
technologies.
RAM — Random Access Memory is a type of computer memory that can be
accessed randomly. RAM is the same as main memory.
RS-232 — Recommended Standard 232 is a standard interface approved by the
Electronic Industries Association for connecting serial devices.
RJ45 — Registered Jack 45 is an eight-wire connector commonly used to
connect computers onto a LAN.
SNMP — Simple Network Management Protocol is a set of protocols used for
managing complex networks and network devices.