GE JungleMUX SONET Technical Practice page 174

 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
Copyright  GE Multilin Inc. 2010-2012
342-86400-498PS
Issue 1.2
April 2012
Page 174