O
Operation, Administration, and Maintenance
OAM
out-of-band
OOB
Open System Interconnection
OSI
One-Time-Password
OTP
P
Port Aggregation Protocol
PAgP
port adapter module
PAM
pulse code modulation
PCM
Personal Computer Memory Card International Association
PCMCIA
peak cell rate
PCR
protocol data unit
PDU
physical sublayer
PHY
protocol independent multicast
PIM
physical layer convergence procedure
PLCP
physical layer interface module
PLIM
Point-to-Point Protocol
PPP
permanent virtual circuit (or permanent virtual connection in ATM terminology)
PVC
Q
quality of service
QoS
R
Remote Authentication Dial-In User Service
RADIUS
row address strobe
RAS
RAS-to-CAS delay
RCD
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide
A-6
Appendix A
—
Release 8.1
Acronyms
78-15486-01