Teo E911 Response System Installation - Manual (Page 89)

13-280133 Rev. C Page 89
ALI (Automatic Location Information) – This is the location information of the 911 caller as
viewed by the 911 Call Taker. This information includes the 911 Caller’s name,
address and other relevant data associated with the caller’s telephone number. This
information resides in a Telco database that is accessed by the 911 Call Taker
telephone equipment.
AMI (Alternate Mark Inversion) – An Integrated Services Digital Network (ISDN) port
configuration setting that dictates the line coding format of the ISDN port. This line-
coding scheme allows eight or more digital zeros to be transmitted consecutively over
the ISDN connection. AMI line coding on an ISDN connection is rarely ever used and
has been replaced by the Bipolar 8 Zero Substitution (B8ZS) digital line-coding
scheme.
ANI (Automatic Number Identification) – This is the telephone number of the 911 caller as
viewed by the 911 Call Taker. It can be thought of as the Caller ID number in the 911
network. ANI(s) or telephone numbers are assigned by and purchased from the
Telephone Company (Telco).
B8ZS (Bipolar 8 Zero Substitution) – An Integrated Services Digital Network (ISDN) port
configuration setting that dictates the line coding format of the ISDN port. This line-
coding scheme does not allow eight or more digital zeros to be transmitted
consecutively over the ISDN connection. Virtually all ISDN ports use this line-coding
scheme.
E911 (Enhanced 911) – Refers to 911 network and Call Taker services that enable the 911
Call Taker to obtain and view the caller’s telephone number (ANI). This telephone
number must be transmitted through the 911 network in order to provide E911
services such as the display of ANI and ALI.
ESF (Extended Super Frame) – An Integrated Services Digital Network (ISDN) port
configuration setting that dictates the line framing format of the ISDN port. This frame
format allows alarm and maintenance information to be transmitted over the ISDN
port connection. Nearly all ISDN-PRI ports use this frame format.
ISDN D (Data) Channel – An Integrated Services Digital Network (ISDN) port channel (time
slot) that carries the basic call control packet information for the other 23 voice
channels contained in the 1.544 Mbit digital data stream. The D channel is typically
assigned to channel number 24 on the ISDN-PRI port.
ISDN-PRI (Integrated Services Digital Network - Primary Rate Interface) – A telephone
industry standard that provides for 23 voice/data channels with a D channel to control
them. Typically used in business voice communications to connect PBXs to the
Telephone Company (Telco) when many voice circuits are required.
Local Notification – Refers to the reporting/notifying capabilities of the Teo E911 Response
Server 9145 when it is physically connected to a reporting device. Local reporting
devices include serial printers that are directly wired to the 9145. 911 call activity and
system alarm messages are sent to these devices for alerting and response purposes.
LBO (Line Build Out) – An ISDN-PRI port configuration setting that controls the amplitude
(voltage level) of the digital signal transmitted on the TX signal leads. A level of 0.0 dB
is typically selected which provides for the highest amplitude digital signal allowed.
G G G l l l o o o s s s s s s a a a r r r y y y