342-86400-498PS
Issue 1.2
April 2012
Page 174
Copyright
GE Multilin Inc. 2010-2012
SONET
Synchronous Optical Network
SPE
Synchronous Payload Envelope (a SONET term)
SRAM
Synchronous Random Access Memory
STS
Synchronous Transport Signal
SV
Sampled Value
TDM
Time Division Multiplexing
TPIM
Technical Practice and Installation Manual
TOS
Type of Service (a field in layer-3 frames)
UTP
Unshielded Twisted Pair
VCXO
Voltage Controlled Crystal Oscillator
VID
VLAN ID (the 12-
bit field in “tagged” 802.1Q layer-2 frames)
VLAN
Virtual LAN
VT
Virtual Tributary
XMT
Transmit