System Manual Appendix A. Glossary
76.7300FP11/2, Rev A 8/09 Page 2-125
TM Traffic Management
trTCM Two Rate Three Color Marker
TTL Time To Live - an 8-bit field in the IP header that helps
avoid a scenario where an undeliverable datagram
continuously circulates in a network.
UNI User Network Interface
Vdc Volts DC
VLAN Virtual Lan - a means to separate one physical
network into multiple broadcast domains.
An example of a VLAN
domain might be broadcast
video, which is a subset of the
total network domain.
WDM Wavelength-Division Multiplexing
WEEE Waste Electrical and Electronic Equipment
W/RED Weighted-Random Early Detection not supported
WTR Wait To Restore
XFP 10 Gbps Small Form-Factor Pluggable
Table A.1 Glossary (Continued)
Acronym/Term Definition Additional Information
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