optical transceiver
The fiber connection to the Acme Packet 6300 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 6300 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.
SDRAM
Synchronous Dynamic Random Access Memory is a type of DRAM that can run at
much higher clock speeds than conventional memory.
Telnet
Telnet is a standard terminal emulation program that allows remote login and
connection to systems/servers on a network. Telnet uses a single TCP/IP network
connection to provide this remote login, control, and communication functionality.
TCP
Transmission Control Protocol provides a reliable stream delivery and virtual
connection service to applications through the use of sequenced acknowledgment
with the retransmission of packets when necessary.
TCU
Transcoding Carrier Unit.
Chapter 8
8-3