Cisco 12008 GSR Materiał referencyjny - Strona 14

Przeglądaj online lub pobierz pdf Materiał referencyjny dla Router sieciowy Cisco 12008 GSR. Cisco 12008 GSR 17 stron.

20614 Cisco Installing and Maintaining Routers Part 4: 12000 GSR Series and XS5032 Modules

optical carrier

Ohm

Ohm's Law is the mathematical relationship among electric current, resistance, and voltage.

OSI

Open Systems Interconnection

Packet over SONET (POS)

Packet over Synchronous Optical Network. See SONET.

PCMCIA

Personal Computer Memory Card International Association

Personal Compurt Memory Card International Association (PCMCIA)

Initially it was a standard for laptop cards, now it is used to store flash on cisco routers.

PFC

power factor connector

Point To Point Protocol (PPP)

Point−to−Point Protocol. Successor to SLIP that provides router−to−router and host−to−network connections

over synchronous and asynchronous circuits. Whereas SLIP was designed to work with IP, PPP was designed

to work with several network layer protocols, such as IP, IPX, and ARA. PPP also has built−in security

mechanisms, such as CHAP and PAP. PPP relies on two protocols: LCP and NCP. See also CHAP, LCP,

NCP, PAP, and SLIP.

POS

Packet−over−SONET

Power−On Self −Test (POST)

power−on self test. Set of hardware diagnostics that runs on a hardware device when that device is powered

up.

PRI

Primary Rate Interface.

RISC