Glossary
Erlang ~ WDT
Strata AirLink Installation Guide 5/00
104
Erlang
A unit of measurement that equals 60 minutes of usage per line during the
busiest hour of the day.
ESN
Electronic Serial Number.
FCC
Federal Communication Commission.
FET
Field Effect Transistor.
FT Inter-event Pause
Duration of pause between events in the Feature Table.
FT Pause Duration
Duration of pause events in the Feature Table.
Handoff by Recall
A handset feature that enables the user to automatically hand-off between base
stations.
HID
Human Input Device - a class of the Universal Serial Bus (USB), such as mouse,
keyboards, gamepads, and joysticks.
Hookflash Duration
Duration of the hookflash in signaling the office telephone system.
Hz
Hertz - a measurement of frequency in cycles per second. One hertz is one cycle
per second.
I/O
Input/Output.
Init task
A task that controls the sequence of card initialization and synchronizes it
according to the KSU and Base Station needs.
LED
Light Emitting Diode.
Loop back
A diagnostic test in which a signal is transmitted across a medium while the
sending device waits for its return.
PCM
Pulse Code Modulator.
PUB
Portable Unit Board - extracts the clock from the Base Stations.
RAM
Random Access Memory.
RFI
Radio Frequency Interference.
RJ-11
A six-conductor modular jack also called a plug.
RJ-45
An eight-pin connector used for data transmission over a standard telephone
wire.
RS-232-C
A set of standards specifying various electrical and mechanical characteristics for
interfaces between computers, terminals, and modems.
RWIU/WWIS Interface Unit
A proprietary digital PCB that interfaces directly to Toshiba Strata DK systems to
enable digital wireless capability.
RX
Receive.
SMT
Surface Mount Technology.
SRAM
Static Random Access Memory.
Stop Ringing Time
Length of time the RWIU waits after last detection of ring voltage on a line before
it stops the ring.
TX
Transmit.
UART
Universal Asynchronous Receiver/Transmitter.
VAC
Voltage Alternating Current.
WDT
Watch Dog Timer.
Term
Definition
Summary of Contents for Strata AirLink
Page 6: ...Contents Chapter 5 Maintenance and Troubleshooting iv Strata AirLink Installation Guide 5 00 ...
Page 10: ...Introduction Related Documents Media viii Strata AirLink Installation Guide 5 00 ...
Page 28: ...Pre installation Step 10 Mount Base Stations 18 Strata AirLink Installation Guide 5 00 ...
Page 106: ...Maintenance and Troubleshooting Troubleshooting 96 Strata AirLink Installation Guide 5 00 ...