User guide

G-16 Encore Multi-port DSU/CSU User GuideÑJuly, 1997
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synchronous transmission
Data communications in which characters or bits are sent at a Þxed rate and the
transmitting and receiving devices are synchronized.
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T1
A digital carrier facility used to transmit a DS-1 formatted digital signal at
1.544 Mbit/s. T-1 normally can handle 24 voice conversations, each one
digitized at 64kbps. But, with more advanced digital voice encoding
techniques, it can handle more voice channels. T-1 is a standard for digital
transmission in North America. T-1 lines are used for connecting networks
across remote distances.
T3
A digital carrier facility used to transmit a DS-3 formatted digital signal at
44.736 Mbit/s.
T-Carrier
A time-division, multiplexed digital transmission facility, usually operating at
an aggregate data rate of 1.544 Mbit/s.
telnet
A remote terminal application that enables the user to log on to a remote
computer on the same IP network. The user can work from the PC as if it were
a terminal attached by a hard-wired line to the remote computer. The
application uses the Telnet Internet protocol.
transmitter
In 64K mode, the transmitter inserts the frame bit, with a Þxed pattern of
101100.
TRAP
A mechanism by which a device automatically sends an alarm for certain
network events to a management station. The management station can initiate
a polling sequence to the device to determine the cause of the problem.
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