Perle Systems 833IS - Manual (Page 320)

Glossary
304 Perle 833IS User Guide
Trigger Character
A character that force the transmission of a network packet.
Data characters accumulate in packets when they are
received from the phone line or sent from a modem. A
packet is sent out when a trigger character is encountered,
when a character time-out or packet time-out occurs, or
when a packet is filled.
UTP (Unshielded Twisted Pair)
A cable that has one or more pairs of twisted insulated
copper conductors bound inside a single plastic sheath.
WAN (Wide Area Network)
A communication network that connects geographically
separated areas.