Paradyne 336x E1 manual Txc

Glossary

time slot	The allocated DS0 channel slot when DS0 channels are combined to form an
	aggregate bit stream.
trap (SNMP)	A notification message to the SNMP manager when an unusual event occurs on a
	network device, such as a reinitialization.
tributary unit	A unit that is under the control of another unit.
TStat branch	Test Status branch of the E1 NTU menu tree.
TS16	Time-slot 16. The time slot which may be reserved for signaling.
TX	Transmit. To send signals from a device.
TXC	Transmit Clock. V.24 circuit 114.
TXD	Transmit Data. V.24 circuit 103.
UAS	Unavailable Seconds. A count of 1-second intervals when service is unavailable.
UDP	User Datagram Protocol. A TCP/IP protocol describing how messages reach
	application programs within a destination computer.
UL	Underwriter's Laboratories, Inc. An organization which promotes product safety.
Vac	Volts alternating current.
Vdc	Volts direct current.
V.24	A CCITT standard for a low-speed, 25-position, DCE/DTE interface.
V.35	A CCITT standard for a high-speed, 34-position, DCE/DTE interface.
V.54	A CCITT standard for local and remote diagnostic loopback tests.
V.54 Loop 2	A CCITT standard for a data channel loopback (DCLB).
V.54 Loop 3	A CCITT standard for a data terminal loopback (DTLB).
WAN	Wide Area Network. A network that spans a large geographic area (e.g., a country).
warmStart trap	An SNMP trap that indicates that the device has reinitialized itself.
XTXC	External Transmit Clock. V.24 circuit 113.
X.21	A CCITT standard for a high-speed, 15-position, DCE/DTE interface.
1in8 Test	A test pattern consisting of a one (1) followed by seven zeros (on the network
	only).
2B1Q	Two binary, one quaternary. A line coding technique that compresses two binary
	bits of data into one time state as a four-level code.
511 Test	A pseudo-random bit sequence (PRBS) that is 511 bits long (on the data ports
	only). This is a PRBS 29±1 test.
32767 Test	A pseudo-random bit sequence (PRBS) that is 32,767 bits long (on the network
	only). This is a PRBS 215±1 test.

3360-A2-GB20-20 December 1996 Glossary-9