Specifications

Acronyms
AC-13
Cisco ONS 15454 Troubleshooting and Maintenance Guide
November 2001
TLS
Transparent LAN service
TMN
Telecommunications Management Network
TSA
Time Slot Assignment
TSI
Time-Slot Interchange
Tx
Transmit
U
UAS
Unavailable Seconds
UDP/IP
User Datagram Protocol/Internet Protocol
UID
User Identifier
UPSR
Unidirectional Path Switched Ring
UTC
Universal Time Coordinated
UTP
Unshielded Twisted Pair
V
VDC
Volts Direct Current
VLAN
Virtual Local Area Network