Viavi T-BERD MTS 5800 Getting Started Manual page 291

Glossary
IP — Internet Protocol. Protocol specifying the format and address scheme of packets
transmitted over the Internet. Typically used with TCP.
L
LAN — Local Access Network.
LED — Light emitting diode.
LLB — Line loopback.
LiION — Lithium Ion. The T-BERD ⁄ MTS 8000, 6000A, and 5800 can be equipped with
a rechargeable Lithium Ion battery.
M
MDI — Medium dependent interface.
MDI-X — Medium dependent interface crossover.
MPO — Multi Fiber Push On connector.
MSAM — Multiple Services Application Module.
Msg — Message.
O
OC-3 — Optical carrier 3. A SONET channel equal to three DS3s (155.52 Mbps).
OC-12 — Optical carrier 12. A SONET channel of 622.08 Mbps.
OC-48 — Optical Carrier 48. SONET channel of 2.488 Gbps.
OC-192 — Optical Carrier 192. SONET channel of 9.953 Gbps.
OTDR — Optical Time Domain Reflectometer.
P
Packet — Bundle of data, configured for transmission. Consists of data to be trans-
mitted and control information.
PIM — The physical interface module inserted into one of up to two ports provided on
the MSAM chassis. Provides the interfaces used to connect to the circuit you are
testing.
PON — Passive Optical Network.
T-BERD/MTS/SC Getting Started Guide
March 2018 22046537, Rev. 016 Page 267