Digital Link DL600E, User Manual

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G-10 DL600E E1 Data Multiplexer UserÕs Guide
socket
Ñ A female connector designed to receive a male connector or plug.
stop bit
Ñ The last transmitted element in each character, which permits the
receiver to come to an idle condition before accepting another character.
synchronous transmission
Ñ The transmission of data in which both stations
are synchronized. Codes are sent from the transmitting station to the receiving
station to establish the synchronization, and data is then transmitted in contin-
uous streams.
subnet mask
ÑThe number of bits in an IP address used for the subnet
address.
T
T1
ÑA digital carrier facility used to transmit a
DS1
formatted digital signal at
1.544 Mbps.
T1
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.
T1
is a standard for digital transmission in North
America.
T1
lines are used for connecting networks across remote distances.
T3
ÑA digital carrier facility used to transmit a
DS3
formatted digital signal
at
44.736 M
bps.
T-Carrier
ÑA time-division, multiplexed digital transmission facility, usually
operating at an aggregate data rate of
1.544
Mbit/s.
TIA
ÑTelecommunications Industry Association. A Washington lobbying
and trade association, the result of the merger in
1988
of the USTA (United
States Telephone Association) and the EIA (Electronic Industries Associa-
tion). TIA sets telecommunications standards worldwide for physical level
interfaces (RS232, RS422, an so on.).
telnet
Ñ 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
Ñ In
64K
mode, the transmitter inserts the frame bit, with a Þxed
pattern of
101100.
TRAP
ÑA mechanism by which a device automatically sends an alarm for cer-
tain network events to a management station. The management station can ini-
tiate a polling sequence to the device to determine the cause of the problem.