Verilink XEL XSP-100 SHARK IAP (9SA-USRS-9.0R1.02) Product Manual - Manual (Page 243)

SHARK™ IAD User's Guide XEL P/N & Release: 9SA-USRS-9.0R1.02 Appendix: 10-1
Chapter 10. Appendixes
Appendix A. GLOSSARY
- # -
10B
ASE
-T IEEE 802.3 specification for Ethernet that uses unshielded twisted pair (UTP) wiring with RJ-45
eight-conductor plugs at each end. Runs at 10 Mbps.
- A -
ACCESS RATE
Transmission speed, in bits per second, of the circuit between the end user and the network.
ACK Acknowledgment. Message sent from one network device to another to indicate that some event
has occurred. See NAK.
ADAPTER
Board installed in a computer system to provide network communication capability to and from
that computer system.
A
DDRESS
D
IGITS
The digits that specify the destination (or source) of a call, such as DTMF, MF, and pulse.
ADDRESS MASK
See subnet mask.
AIS Alarm Indication Signal. Sometimes called a blue alarm or blue signal. In T1, the AIS indicates
to the far end of the line that the near end has detected a transmission fault at the far end. The
AIS sends ones in all bits of all time slots unframed.
AMI Alternate Mark Inversion. Digital transmission requires that each consecutive pulse be
transmitted at opposite polarity or voltage.
ANII Automatic Number Identification. Imbedded in the phone call is a series of digits that tell you the
phone number of the phone calling you. This identification could be used to search a database for
customer information.
ANSI American National Standards Institute.
A
NSWER
S
UPERVISION
A means by which a PBX tells a CO that an incoming call has been answered.
ARP Address Resolution Protocol. A basic level protocol that “maps” IP addresses to hardware
addresses.
ASCII American Standard Code for Information Interchange (pronounced ASK-ee). Code in which
numbers from 0 to 255 represent individual characters, such as letters, numbers, and punctuation
marks; used in text representation and communication protocols.