Chapter 10 Acronyms And Definitions - Motorola APX 7500 Detailed Service Manual

Chapter 10 Acronyms and Definitions

10.1 Terms and Definitions
The following items listed below are the terms and definitions:
Term
10/100-BASE-T
2W
4W
ACIM
AGC
ASTRO
CCGW
Channel
Channel Activity
CPS
E&M Keying
FCC
FT (Function Tone)
GCAI
HLGT (High Level Guard
Tone)
ID
IP
LAN
LED
LLGT (Low Level Guard
Tone)
MDC1200
NIC
OS
68009482001
10/100 Megabit Twisted Pair Ethernet Network
Two-Wire Interface (Transmit and Receive on same copper pair)
Four-Wire Interface (Transmit and Receive on different copper pairs)
ASTRO Console Interface Module; a Motorola proprietary digital RS232 interface to
the Console via the CCGW
Automatic Gain Control
Brand name for APCO 25 compliant product
Conventional Channel Gateway
The multiple frequencies/talkgroups that a Consolette station can support
Another name for the base station's E-Lead. An output from the station indicating it is
receiving a qualified signal.
Customer Programming Software; a PC-based software tool that allows customizing
radio functionality, including transmit and receive frequencies.
Ear and Mouth Keying. See PTT and Channel Activity.
Federal Communications Commission
The short tone bursts that follow high level guard tone. These bursts are mapped to
functions in the station. For instance, Setting the repeat mode, choosing a frequency,
etc. Typically function tone is 40 ms in length. Dual function tone may be needed if
encryption is supported.
Global Core Accessory Interface; Motorola proprietary accessory port for use with
Motorola approved cables; USB and RS232 styles supported
The initial tone of a TRC sequence begins with High Level Guard Tone. Typically a
120 ms burst of guard tone at an elevated level.
Identification
Internet Protocol
Local Area Network
Light Emitting Diode
If the base station is to remain keyed the last function tone is followed by low level
guard tone. As along as low level guard tone is present the station will remain keyed.
When voice is routed to the station, it is summed with low-level guard tone in order to
keep the station keyed.
Motorola signaling format used on radio transmissions
Network Interface Card
Operating System
Definition
September 9, 2011