Paradyne 316x manual Eer

ACCULINK 316x DSU/CSU

EER	Excessive Error Rate.
EON	End of Number.
ES	Errored second. A second with one or more ESF error events (one or more CRC6
	error events or OOFs).
ESD	Electrostatic discharge.
ESF	Extended Superframe. The T1 transmission standard that specifies 24 frames as an
	extended superframe to be used for frame synchronization and to locate signaling
	bits.
FCC	Federal Communications Commission.
FDL	Facility Data Link. The selected bits in the ESF format that are used for control,
	monitoring and testing.
LBO	Line Build-out. The amount of attenuation of the transmitted signal that is used to
	compensate for the length of wire between the transmitter and the receiver.
LCD	Liquid Crystal Display.
LED	Light-Emitting Diode.
LOF	Loss of Frame. Occurs when a DS1 terminal is unable to synchronize on the DS1
	signal for some interval (nominally 2 1/2 seconds).
LOFC	Loss of Frame Count. A count of the number of LOFs declared.
LOS	Loss of Signal. The T1 line condition where there are no pulses.
MIB	Management Information Base. Database of managed objects used by SNMP to
	provide network management information.
MUX	Multiplexer.
OOF	An error condition in which two out of four synchronization bits are in error.
PDV	Pulse Density Violation.
PPP	Point-to-Point Protocol. A link layer protocol used by SNMP.
PSTN	Public Switched Telephone Network.
QRSS	Quasi-Random Signal. A test pattern simulating a random pattern of digital ones
	and zeros used to simulate normal transmission.
SDCP	Shared Diagnostic Control Panel.
SES	Severely Errored Seconds. A second with 320 or more CRC6 error events or one or
	more OOFs occurring.
SLIP	Serial Line Internet Protocol. A link layer protocol used by SNMP.
SNMP	Simple Network Management Protocol. A generic network management system that
	allows the device to be managed by any industry-standard SNMP manager.
UAS	Unavailable Seconds. A count of 1-second intervals when service is unavailable.
Vac	Volts alternating current.
Vdc	Volts direct current.
VF	Voice Frequency.
Yellow Alarm	An outgoing signal transmitted when a DS1 terminal has determined that it has lost
	the incoming signal.
3000 Series Carrier	A rack-mounted device containing 17 slots in which to place circuit cards.

Glossary-2 December 1996 3160-A2-GB22-10